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apiVersion: v1
kind: Namespace
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
control-plane: controller-manager
name: capi-kubeadm-bootstrap-system
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
controller-gen.kubebuilder.io/version: v0.7.0
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
cluster.x-k8s.io/v1alpha3: v1alpha3
cluster.x-k8s.io/v1alpha4: v1alpha4
cluster.x-k8s.io/v1beta1: v1beta1
name: kubeadmconfigs.bootstrap.cluster.x-k8s.io
spec:
conversion:
strategy: Webhook
webhook:
clientConfig:
caBundle: Cg==
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /convert
conversionReviewVersions:
- v1
- v1beta1
group: bootstrap.cluster.x-k8s.io
names:
categories:
- cluster-api
kind: KubeadmConfig
listKind: KubeadmConfigList
plural: kubeadmconfigs
singular: kubeadmconfig
scope: Namespaced
versions:
- name: v1alpha3
schema:
openAPIV3Schema:
description: KubeadmConfig is the Schema for the kubeadmconfigs API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig. Either ClusterConfiguration and InitConfiguration should be defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look for all required certificates. NB: if not provided, this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or DNS name for the control plane; it can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port. In case the ControlPlaneEndpoint is not specified, the AdvertiseAddress + BindPort are used; in case the ControlPlaneEndpoint is specified but without a TCP port, the BindPort is used. Possible usages are: e.g. In a cluster with more than one control plane instances, this field should be assigned the address of the external load balancer in front of the control plane instances. e.g. in environments with enforced node recycling, the ControlPlaneEndpoint could be used for assigning a stable DNS to the control plane. NB: This value defaults to the first value in the Cluster object status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
type:
description: Type defines the DNS add-on to be used
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file used to secure etcd communication. Required if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used to secure etcd communication. Required if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring the local etcd instance Local and External are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. If empty, `k8s.gcr.io` will be used by default; in case of kubernetes version is a CI build (kubernetes version starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images` will be used as a default for control plane components and for kube-proxy, while `k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking topology of the cluster. NB: This value defaults to the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset, the API server will not allocate CIDR ranges for every node. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
useHyperKubeImage:
description: UseHyperKubeImage controls if hyperkube should be used for Kubernetes components instead of their respective separate images
type: boolean
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite any existing filesystem. If true, any pre-existing file system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use. The valid options are: "auto|any", "auto", "any", "none", and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for Microsoft Azure that instructs cloud-init to replace a file system of <FS_TYPE>. NOTE: unless you define a label, this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is true, a single partition will be created for the entire device. When layout is false, it means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks and create the partition if a partition or filesystem is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition table. The following are supported: ''mbr'': default and setups a MS-DOS partition table ''gpt'': setups a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data upon creation.
items:
description: File defines the input for generating write_files in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to populate the file.
properties:
secret:
description: Secret represents a secret that should populate this file.
properties:
key:
description: Key is the key in the secret's data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where to store the file.
type: string
permissions:
description: Permissions specifies the permissions to assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time and describes a set of Bootstrap Tokens to create. This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why this token exists and what it's used for, so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token expires. Defaults to being set dynamically at runtime based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional trust between nodes and control-planes. Used for joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token. Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token can be used. Can by default be used for establishing bidirectional trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance that's deployed on this control plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint in the sense that ControlPlaneEndpoint is the global endpoint for the cluster, which then loadbalances the requests to each individual API server. This configuration object lets you customize what IP/DNS name and port the local API server advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default interface and use that, but in case that process fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority used to secure comunications between node and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane instance to be deployed on the joining node. If nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet to use during the TLS Bootstrap process TODO: revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for bootstrap token based discovery BootstrapToken and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key pins to verify when token-based discovery is used. The root CA found during discovery must match one of these values. Specifying an empty set disables root CA pinning, which can be unsafe. Each hash is specified as "<type>:<value>", where the only currently supported type is "sha256". This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI) object in DER-encoded ASN.1. These hashes can be calculated using, for example, OpenSSL: openssl x509 -pubkey -in ca.crt openssl rsa -pubin -outform der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based discovery without CA verification via CACertHashes. This can weaken the security of kubeadm since other nodes can impersonate the control-plane.
type: boolean
required:
- token
- unsafeSkipCAVerification
type: object
file:
description: File is used to specify a file or URL to a kubeconfig file from which to load cluster information BootstrapToken and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual file path or URL to the kubeconfig file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: 'TLSBootstrapToken is a token used for TLS bootstrapping. If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token, but can be overridden. If .File is set, this field **must be set** in case the KubeConfigFile does not contain any other authentication information TODO: revisit when there is defaulting from k/k'
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command with a shell script with retries for joins. \n This is meant to be an experimental temporary workaround on some environments where joins fail due to timing (and other issues). The long term goal is to add retries to kubeadm proper and use that functionality. \n This will add about 40KB to userdata \n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the user
type: string
homeDir:
description: HomeDir specifies the home directory to use for the user
type: string
inactive:
description: Inactive specifies whether to mark the user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
status:
description: KubeadmConfigStatus defines the observed state of KubeadmConfig.
properties:
bootstrapData:
description: "BootstrapData will be a cloud-init script for now. \n Deprecated: Switch to DataSecretName."
format: byte
type: string
conditions:
description: Conditions defines current service state of the KubeadmConfig.
items:
description: Condition defines an observation of a Cluster API resource operational state.
properties:
lastTransitionTime:
description: Last time the condition transitioned from one status to another. This should be when the underlying condition changed. If that is not known, then using the time when the API field changed is acceptable.
format: date-time
type: string
message:
description: A human readable message indicating details about the transition. This field may be empty.
type: string
reason:
description: The reason for the condition's last transition in CamelCase. The specific API may choose whether or not this field is considered a guaranteed API. This field may not be empty.
type: string
severity:
description: Severity provides an explicit classification of Reason code, so the users or machines can immediately understand the current situation and act accordingly. The Severity field MUST be set only when Status=False.
type: string
status:
description: Status of the condition, one of True, False, Unknown.
type: string
type:
description: Type of condition in CamelCase or in foo.example.com/CamelCase. Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be useful (see .node.status.conditions), the ability to deconflict is important.
type: string
required:
- status
- type
type: object
type: array
dataSecretName:
description: DataSecretName is the name of the secret that stores the bootstrap data script.
type: string
failureMessage:
description: FailureMessage will be set on non-retryable errors
type: string
failureReason:
description: FailureReason will be set on non-retryable errors
type: string
observedGeneration:
description: ObservedGeneration is the latest generation observed by the controller.
format: int64
type: integer
ready:
description: Ready indicates the BootstrapData field is ready to be consumed
type: boolean
type: object
type: object
served: true
storage: false
subresources:
status: {}
- additionalPrinterColumns:
- description: Time duration since creation of KubeadmConfig
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1alpha4
schema:
openAPIV3Schema:
description: KubeadmConfig is the Schema for the kubeadmconfigs API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig. Either ClusterConfiguration and InitConfiguration should be defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look for all required certificates. NB: if not provided, this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or DNS name for the control plane; it can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port. In case the ControlPlaneEndpoint is not specified, the AdvertiseAddress + BindPort are used; in case the ControlPlaneEndpoint is specified but without a TCP port, the BindPort is used. Possible usages are: e.g. In a cluster with more than one control plane instances, this field should be assigned the address of the external load balancer in front of the control plane instances. e.g. in environments with enforced node recycling, the ControlPlaneEndpoint could be used for assigning a stable DNS to the control plane. NB: This value defaults to the first value in the Cluster object status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file used to secure etcd communication. Required if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used to secure etcd communication. Required if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring the local etcd instance Local and External are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. If empty, `k8s.gcr.io` will be used by default; in case of kubernetes version is a CI build (kubernetes version starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images` will be used as a default for control plane components and for kube-proxy, while `k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking topology of the cluster. NB: This value defaults to the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset, the API server will not allocate CIDR ranges for every node. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite any existing filesystem. If true, any pre-existing file system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use. The valid options are: "auto|any", "auto", "any", "none", and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for Microsoft Azure that instructs cloud-init to replace a file system of <FS_TYPE>. NOTE: unless you define a label, this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is true, a single partition will be created for the entire device. When layout is false, it means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks and create the partition if a partition or filesystem is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition table. The following are supported: ''mbr'': default and setups a MS-DOS partition table ''gpt'': setups a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data upon creation.
items:
description: File defines the input for generating write_files in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to populate the file.
properties:
secret:
description: Secret represents a secret that should populate this file.
properties:
key:
description: Key is the key in the secret's data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where to store the file.
type: string
permissions:
description: Permissions specifies the permissions to assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time and describes a set of Bootstrap Tokens to create. This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why this token exists and what it's used for, so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token expires. Defaults to being set dynamically at runtime based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional trust between nodes and control-planes. Used for joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token. Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token can be used. Can by default be used for establishing bidirectional trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance that's deployed on this control plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint in the sense that ControlPlaneEndpoint is the global endpoint for the cluster, which then loadbalances the requests to each individual API server. This configuration object lets you customize what IP/DNS name and port the local API server advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default interface and use that, but in case that process fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority used to secure comunications between node and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane instance to be deployed on the joining node. If nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet to use during the TLS Bootstrap process TODO: revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for bootstrap token based discovery BootstrapToken and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key pins to verify when token-based discovery is used. The root CA found during discovery must match one of these values. Specifying an empty set disables root CA pinning, which can be unsafe. Each hash is specified as "<type>:<value>", where the only currently supported type is "sha256". This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI) object in DER-encoded ASN.1. These hashes can be calculated using, for example, OpenSSL: openssl x509 -pubkey -in ca.crt openssl rsa -pubin -outform der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based discovery without CA verification via CACertHashes. This can weaken the security of kubeadm since other nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL to a kubeconfig file from which to load cluster information BootstrapToken and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual file path or URL to the kubeconfig file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for TLS bootstrapping. If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token, but can be overridden. If .File is set, this field **must be set** in case the KubeConfigFile does not contain any other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command with a shell script with retries for joins. \n This is meant to be an experimental temporary workaround on some environments where joins fail due to timing (and other issues). The long term goal is to add retries to kubeadm proper and use that functionality. \n This will add about 40KB to userdata \n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the user
type: string
homeDir:
description: HomeDir specifies the home directory to use for the user
type: string
inactive:
description: Inactive specifies whether to mark the user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
status:
description: KubeadmConfigStatus defines the observed state of KubeadmConfig.
properties:
conditions:
description: Conditions defines current service state of the KubeadmConfig.
items:
description: Condition defines an observation of a Cluster API resource operational state.
properties:
lastTransitionTime:
description: Last time the condition transitioned from one status to another. This should be when the underlying condition changed. If that is not known, then using the time when the API field changed is acceptable.
format: date-time
type: string
message:
description: A human readable message indicating details about the transition. This field may be empty.
type: string
reason:
description: The reason for the condition's last transition in CamelCase. The specific API may choose whether or not this field is considered a guaranteed API. This field may not be empty.
type: string
severity:
description: Severity provides an explicit classification of Reason code, so the users or machines can immediately understand the current situation and act accordingly. The Severity field MUST be set only when Status=False.
type: string
status:
description: Status of the condition, one of True, False, Unknown.
type: string
type:
description: Type of condition in CamelCase or in foo.example.com/CamelCase. Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be useful (see .node.status.conditions), the ability to deconflict is important.
type: string
required:
- status
- type
type: object
type: array
dataSecretName:
description: DataSecretName is the name of the secret that stores the bootstrap data script.
type: string
failureMessage:
description: FailureMessage will be set on non-retryable errors
type: string
failureReason:
description: FailureReason will be set on non-retryable errors
type: string
observedGeneration:
description: ObservedGeneration is the latest generation observed by the controller.
format: int64
type: integer
ready:
description: Ready indicates the BootstrapData field is ready to be consumed
type: boolean
type: object
type: object
served: true
storage: false
subresources:
status: {}
- additionalPrinterColumns:
- description: Cluster
jsonPath: .metadata.labels['cluster\.x-k8s\.io/cluster-name']
name: Cluster
type: string
- description: Time duration since creation of KubeadmConfig
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1beta1
schema:
openAPIV3Schema:
description: KubeadmConfig is the Schema for the kubeadmconfigs API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig. Either ClusterConfiguration and InitConfiguration should be defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look for all required certificates. NB: if not provided, this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or DNS name for the control plane; it can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port. In case the ControlPlaneEndpoint is not specified, the AdvertiseAddress + BindPort are used; in case the ControlPlaneEndpoint is specified but without a TCP port, the BindPort is used. Possible usages are: e.g. In a cluster with more than one control plane instances, this field should be assigned the address of the external load balancer in front of the control plane instances. e.g. in environments with enforced node recycling, the ControlPlaneEndpoint could be used for assigning a stable DNS to the control plane. NB: This value defaults to the first value in the Cluster object status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file used to secure etcd communication. Required if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used to secure etcd communication. Required if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring the local etcd instance Local and External are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. If empty, `k8s.gcr.io` will be used by default; in case of kubernetes version is a CI build (kubernetes version starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images` will be used as a default for control plane components and for kube-proxy, while `k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking topology of the cluster. NB: This value defaults to the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset, the API server will not allocate CIDR ranges for every node. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite any existing filesystem. If true, any pre-existing file system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use. The valid options are: "auto|any", "auto", "any", "none", and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for Microsoft Azure that instructs cloud-init to replace a file system of <FS_TYPE>. NOTE: unless you define a label, this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is true, a single partition will be created for the entire device. When layout is false, it means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks and create the partition if a partition or filesystem is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition table. The following are supported: ''mbr'': default and setups a MS-DOS partition table ''gpt'': setups a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data upon creation.
items:
description: File defines the input for generating write_files in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to populate the file.
properties:
secret:
description: Secret represents a secret that should populate this file.
properties:
key:
description: Key is the key in the secret's data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where to store the file.
type: string
permissions:
description: Permissions specifies the permissions to assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
- ignition
type: string
ignition:
description: Ignition contains Ignition specific configuration.
properties:
containerLinuxConfig:
description: ContainerLinuxConfig contains CLC specific configuration.
properties:
additionalConfig:
description: "AdditionalConfig contains additional configuration to be merged with the Ignition configuration generated by the bootstrapper controller. More info: https://coreos.github.io/ignition/operator-notes/#config-merging \n The data format is documented here: https://kinvolk.io/docs/flatcar-container-linux/latest/provisioning/cl-config/"
type: string
strict:
description: Strict controls if AdditionalConfig should be strictly parsed. If so, warnings are treated as errors.
type: boolean
type: object
type: object
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time and describes a set of Bootstrap Tokens to create. This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why this token exists and what it's used for, so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token expires. Defaults to being set dynamically at runtime based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional trust between nodes and control-planes. Used for joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token. Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token can be used. Can by default be used for establishing bidirectional trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance that's deployed on this control plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint in the sense that ControlPlaneEndpoint is the global endpoint for the cluster, which then loadbalances the requests to each individual API server. This configuration object lets you customize what IP/DNS name and port the local API server advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default interface and use that, but in case that process fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority used to secure comunications between node and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane instance to be deployed on the joining node. If nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet to use during the TLS Bootstrap process TODO: revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for bootstrap token based discovery BootstrapToken and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key pins to verify when token-based discovery is used. The root CA found during discovery must match one of these values. Specifying an empty set disables root CA pinning, which can be unsafe. Each hash is specified as "<type>:<value>", where the only currently supported type is "sha256". This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI) object in DER-encoded ASN.1. These hashes can be calculated using, for example, OpenSSL: openssl x509 -pubkey -in ca.crt openssl rsa -pubin -outform der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based discovery without CA verification via CACertHashes. This can weaken the security of kubeadm since other nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL to a kubeconfig file from which to load cluster information BootstrapToken and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual file path or URL to the kubeconfig file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for TLS bootstrapping. If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token, but can be overridden. If .File is set, this field **must be set** in case the KubeConfigFile does not contain any other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command with a shell script with retries for joins. \n This is meant to be an experimental temporary workaround on some environments where joins fail due to timing (and other issues). The long term goal is to add retries to kubeadm proper and use that functionality. \n This will add about 40KB to userdata \n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the user
type: string
homeDir:
description: HomeDir specifies the home directory to use for the user
type: string
inactive:
description: Inactive specifies whether to mark the user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
status:
description: KubeadmConfigStatus defines the observed state of KubeadmConfig.
properties:
conditions:
description: Conditions defines current service state of the KubeadmConfig.
items:
description: Condition defines an observation of a Cluster API resource operational state.
properties:
lastTransitionTime:
description: Last time the condition transitioned from one status to another. This should be when the underlying condition changed. If that is not known, then using the time when the API field changed is acceptable.
format: date-time
type: string
message:
description: A human readable message indicating details about the transition. This field may be empty.
type: string
reason:
description: The reason for the condition's last transition in CamelCase. The specific API may choose whether or not this field is considered a guaranteed API. This field may not be empty.
type: string
severity:
description: Severity provides an explicit classification of Reason code, so the users or machines can immediately understand the current situation and act accordingly. The Severity field MUST be set only when Status=False.
type: string
status:
description: Status of the condition, one of True, False, Unknown.
type: string
type:
description: Type of condition in CamelCase or in foo.example.com/CamelCase. Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be useful (see .node.status.conditions), the ability to deconflict is important.
type: string
required:
- lastTransitionTime
- status
- type
type: object
type: array
dataSecretName:
description: DataSecretName is the name of the secret that stores the bootstrap data script.
type: string
failureMessage:
description: FailureMessage will be set on non-retryable errors
type: string
failureReason:
description: FailureReason will be set on non-retryable errors
type: string
observedGeneration:
description: ObservedGeneration is the latest generation observed by the controller.
format: int64
type: integer
ready:
description: Ready indicates the BootstrapData field is ready to be consumed
type: boolean
type: object
type: object
served: true
storage: true
subresources:
status: {}
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
controller-gen.kubebuilder.io/version: v0.7.0
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
cluster.x-k8s.io/v1alpha3: v1alpha3
cluster.x-k8s.io/v1alpha4: v1alpha4
cluster.x-k8s.io/v1beta1: v1beta1
name: kubeadmconfigtemplates.bootstrap.cluster.x-k8s.io
spec:
conversion:
strategy: Webhook
webhook:
clientConfig:
caBundle: Cg==
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /convert
conversionReviewVersions:
- v1
- v1beta1
group: bootstrap.cluster.x-k8s.io
names:
categories:
- cluster-api
kind: KubeadmConfigTemplate
listKind: KubeadmConfigTemplateList
plural: kubeadmconfigtemplates
singular: kubeadmconfigtemplate
scope: Namespaced
versions:
- name: v1alpha3
schema:
openAPIV3Schema:
description: KubeadmConfigTemplate is the Schema for the kubeadmconfigtemplates API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
properties:
template:
description: KubeadmConfigTemplateResource defines the Template structure.
properties:
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig. Either ClusterConfiguration and InitConfiguration should be defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look for all required certificates. NB: if not provided, this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or DNS name for the control plane; it can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port. In case the ControlPlaneEndpoint is not specified, the AdvertiseAddress + BindPort are used; in case the ControlPlaneEndpoint is specified but without a TCP port, the BindPort is used. Possible usages are: e.g. In a cluster with more than one control plane instances, this field should be assigned the address of the external load balancer in front of the control plane instances. e.g. in environments with enforced node recycling, the ControlPlaneEndpoint could be used for assigning a stable DNS to the control plane. NB: This value defaults to the first value in the Cluster object status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
type:
description: Type defines the DNS add-on to be used
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file used to secure etcd communication. Required if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used to secure etcd communication. Required if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring the local etcd instance Local and External are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. If empty, `k8s.gcr.io` will be used by default; in case of kubernetes version is a CI build (kubernetes version starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images` will be used as a default for control plane components and for kube-proxy, while `k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking topology of the cluster. NB: This value defaults to the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset, the API server will not allocate CIDR ranges for every node. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
useHyperKubeImage:
description: UseHyperKubeImage controls if hyperkube should be used for Kubernetes components instead of their respective separate images
type: boolean
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite any existing filesystem. If true, any pre-existing file system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use. The valid options are: "auto|any", "auto", "any", "none", and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for Microsoft Azure that instructs cloud-init to replace a file system of <FS_TYPE>. NOTE: unless you define a label, this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is true, a single partition will be created for the entire device. When layout is false, it means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks and create the partition if a partition or filesystem is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition table. The following are supported: ''mbr'': default and setups a MS-DOS partition table ''gpt'': setups a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data upon creation.
items:
description: File defines the input for generating write_files in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to populate the file.
properties:
secret:
description: Secret represents a secret that should populate this file.
properties:
key:
description: Key is the key in the secret's data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where to store the file.
type: string
permissions:
description: Permissions specifies the permissions to assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time and describes a set of Bootstrap Tokens to create. This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why this token exists and what it's used for, so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token expires. Defaults to being set dynamically at runtime based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional trust between nodes and control-planes. Used for joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token. Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token can be used. Can by default be used for establishing bidirectional trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance that's deployed on this control plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint in the sense that ControlPlaneEndpoint is the global endpoint for the cluster, which then loadbalances the requests to each individual API server. This configuration object lets you customize what IP/DNS name and port the local API server advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default interface and use that, but in case that process fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority used to secure comunications between node and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane instance to be deployed on the joining node. If nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
required:
- advertiseAddress
- bindPort
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet to use during the TLS Bootstrap process TODO: revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for bootstrap token based discovery BootstrapToken and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key pins to verify when token-based discovery is used. The root CA found during discovery must match one of these values. Specifying an empty set disables root CA pinning, which can be unsafe. Each hash is specified as "<type>:<value>", where the only currently supported type is "sha256". This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI) object in DER-encoded ASN.1. These hashes can be calculated using, for example, OpenSSL: openssl x509 -pubkey -in ca.crt openssl rsa -pubin -outform der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based discovery without CA verification via CACertHashes. This can weaken the security of kubeadm since other nodes can impersonate the control-plane.
type: boolean
required:
- token
- unsafeSkipCAVerification
type: object
file:
description: File is used to specify a file or URL to a kubeconfig file from which to load cluster information BootstrapToken and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual file path or URL to the kubeconfig file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: 'TLSBootstrapToken is a token used for TLS bootstrapping. If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token, but can be overridden. If .File is set, this field **must be set** in case the KubeConfigFile does not contain any other authentication information TODO: revisit when there is defaulting from k/k'
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command with a shell script with retries for joins. \n This is meant to be an experimental temporary workaround on some environments where joins fail due to timing (and other issues). The long term goal is to add retries to kubeadm proper and use that functionality. \n This will add about 40KB to userdata \n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the user
type: string
homeDir:
description: HomeDir specifies the home directory to use for the user
type: string
inactive:
description: Inactive specifies whether to mark the user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
type: object
required:
- template
type: object
type: object
served: true
storage: false
- additionalPrinterColumns:
- description: Time duration since creation of KubeadmConfigTemplate
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1alpha4
schema:
openAPIV3Schema:
description: KubeadmConfigTemplate is the Schema for the kubeadmconfigtemplates API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
properties:
template:
description: KubeadmConfigTemplateResource defines the Template structure.
properties:
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig. Either ClusterConfiguration and InitConfiguration should be defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look for all required certificates. NB: if not provided, this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or DNS name for the control plane; it can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port. In case the ControlPlaneEndpoint is not specified, the AdvertiseAddress + BindPort are used; in case the ControlPlaneEndpoint is specified but without a TCP port, the BindPort is used. Possible usages are: e.g. In a cluster with more than one control plane instances, this field should be assigned the address of the external load balancer in front of the control plane instances. e.g. in environments with enforced node recycling, the ControlPlaneEndpoint could be used for assigning a stable DNS to the control plane. NB: This value defaults to the first value in the Cluster object status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file used to secure etcd communication. Required if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used to secure etcd communication. Required if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring the local etcd instance Local and External are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. If empty, `k8s.gcr.io` will be used by default; in case of kubernetes version is a CI build (kubernetes version starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images` will be used as a default for control plane components and for kube-proxy, while `k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking topology of the cluster. NB: This value defaults to the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset, the API server will not allocate CIDR ranges for every node. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite any existing filesystem. If true, any pre-existing file system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use. The valid options are: "auto|any", "auto", "any", "none", and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for Microsoft Azure that instructs cloud-init to replace a file system of <FS_TYPE>. NOTE: unless you define a label, this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is true, a single partition will be created for the entire device. When layout is false, it means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks and create the partition if a partition or filesystem is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition table. The following are supported: ''mbr'': default and setups a MS-DOS partition table ''gpt'': setups a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data upon creation.
items:
description: File defines the input for generating write_files in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to populate the file.
properties:
secret:
description: Secret represents a secret that should populate this file.
properties:
key:
description: Key is the key in the secret's data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where to store the file.
type: string
permissions:
description: Permissions specifies the permissions to assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
type: string
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time and describes a set of Bootstrap Tokens to create. This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why this token exists and what it's used for, so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token expires. Defaults to being set dynamically at runtime based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional trust between nodes and control-planes. Used for joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token. Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token can be used. Can by default be used for establishing bidirectional trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance that's deployed on this control plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint in the sense that ControlPlaneEndpoint is the global endpoint for the cluster, which then loadbalances the requests to each individual API server. This configuration object lets you customize what IP/DNS name and port the local API server advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default interface and use that, but in case that process fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority used to secure comunications between node and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane instance to be deployed on the joining node. If nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet to use during the TLS Bootstrap process TODO: revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for bootstrap token based discovery BootstrapToken and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key pins to verify when token-based discovery is used. The root CA found during discovery must match one of these values. Specifying an empty set disables root CA pinning, which can be unsafe. Each hash is specified as "<type>:<value>", where the only currently supported type is "sha256". This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI) object in DER-encoded ASN.1. These hashes can be calculated using, for example, OpenSSL: openssl x509 -pubkey -in ca.crt openssl rsa -pubin -outform der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based discovery without CA verification via CACertHashes. This can weaken the security of kubeadm since other nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL to a kubeconfig file from which to load cluster information BootstrapToken and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual file path or URL to the kubeconfig file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for TLS bootstrapping. If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token, but can be overridden. If .File is set, this field **must be set** in case the KubeConfigFile does not contain any other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command with a shell script with retries for joins. \n This is meant to be an experimental temporary workaround on some environments where joins fail due to timing (and other issues). The long term goal is to add retries to kubeadm proper and use that functionality. \n This will add about 40KB to userdata \n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the user
type: string
homeDir:
description: HomeDir specifies the home directory to use for the user
type: string
inactive:
description: Inactive specifies whether to mark the user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
type: object
required:
- template
type: object
type: object
served: true
storage: false
subresources: {}
- additionalPrinterColumns:
- description: Time duration since creation of KubeadmConfigTemplate
jsonPath: .metadata.creationTimestamp
name: Age
type: date
name: v1beta1
schema:
openAPIV3Schema:
description: KubeadmConfigTemplate is the Schema for the kubeadmconfigtemplates API.
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
metadata:
type: object
spec:
description: KubeadmConfigTemplateSpec defines the desired state of KubeadmConfigTemplate.
properties:
template:
description: KubeadmConfigTemplateResource defines the Template structure.
properties:
spec:
description: KubeadmConfigSpec defines the desired state of KubeadmConfig. Either ClusterConfiguration and InitConfiguration should be defined or the JoinConfiguration should be defined.
properties:
clusterConfiguration:
description: ClusterConfiguration along with InitConfiguration are the configurations necessary for the init command
properties:
apiServer:
description: APIServer contains extra settings for the API server control plane component
properties:
certSANs:
description: CertSANs sets extra Subject Alternative Names for the API Server signing cert.
items:
type: string
type: array
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
timeoutForControlPlane:
description: TimeoutForControlPlane controls the timeout that we use for API server to appear
type: string
type: object
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
certificatesDir:
description: 'CertificatesDir specifies where to store or look for all required certificates. NB: if not provided, this will default to `/etc/kubernetes/pki`'
type: string
clusterName:
description: The cluster name
type: string
controlPlaneEndpoint:
description: 'ControlPlaneEndpoint sets a stable IP address or DNS name for the control plane; it can be a valid IP address or a RFC-1123 DNS subdomain, both with optional TCP port. In case the ControlPlaneEndpoint is not specified, the AdvertiseAddress + BindPort are used; in case the ControlPlaneEndpoint is specified but without a TCP port, the BindPort is used. Possible usages are: e.g. In a cluster with more than one control plane instances, this field should be assigned the address of the external load balancer in front of the control plane instances. e.g. in environments with enforced node recycling, the ControlPlaneEndpoint could be used for assigning a stable DNS to the control plane. NB: This value defaults to the first value in the Cluster object status.apiEndpoints array.'
type: string
controllerManager:
description: ControllerManager contains extra settings for the controller manager control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
dns:
description: DNS defines the options for the DNS add-on installed in the cluster.
properties:
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
type: object
etcd:
description: 'Etcd holds configuration for etcd. NB: This value defaults to a Local (stacked) etcd'
properties:
external:
description: External describes how to connect to an external etcd cluster Local and External are mutually exclusive
properties:
caFile:
description: CAFile is an SSL Certificate Authority file used to secure etcd communication. Required if using a TLS connection.
type: string
certFile:
description: CertFile is an SSL certification file used to secure etcd communication. Required if using a TLS connection.
type: string
endpoints:
description: Endpoints of etcd members. Required for ExternalEtcd.
items:
type: string
type: array
keyFile:
description: KeyFile is an SSL key file used to secure etcd communication. Required if using a TLS connection.
type: string
required:
- caFile
- certFile
- endpoints
- keyFile
type: object
local:
description: Local provides configuration knobs for configuring the local etcd instance Local and External are mutually exclusive
properties:
dataDir:
description: DataDir is the directory etcd will place its data. Defaults to "/var/lib/etcd".
type: string
extraArgs:
additionalProperties:
type: string
description: ExtraArgs are extra arguments provided to the etcd binary when run inside a static pod.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. if not set, the ImageRepository defined in ClusterConfiguration will be used instead.
type: string
imageTag:
description: ImageTag allows to specify a tag for the image. In case this value is set, kubeadm does not change automatically the version of the above components during upgrades.
type: string
peerCertSANs:
description: PeerCertSANs sets extra Subject Alternative Names for the etcd peer signing cert.
items:
type: string
type: array
serverCertSANs:
description: ServerCertSANs sets extra Subject Alternative Names for the etcd server signing cert.
items:
type: string
type: array
type: object
type: object
featureGates:
additionalProperties:
type: boolean
description: FeatureGates enabled by the user.
type: object
imageRepository:
description: ImageRepository sets the container registry to pull images from. If empty, `k8s.gcr.io` will be used by default; in case of kubernetes version is a CI build (kubernetes version starts with `ci/` or `ci-cross/`) `gcr.io/k8s-staging-ci-images` will be used as a default for control plane components and for kube-proxy, while `k8s.gcr.io` will be used for all the other images.
type: string
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
kubernetesVersion:
description: 'KubernetesVersion is the target version of the control plane. NB: This value defaults to the Machine object spec.version'
type: string
networking:
description: 'Networking holds configuration for the networking topology of the cluster. NB: This value defaults to the Cluster object spec.clusterNetwork.'
properties:
dnsDomain:
description: DNSDomain is the dns domain used by k8s services. Defaults to "cluster.local".
type: string
podSubnet:
description: PodSubnet is the subnet used by pods. If unset, the API server will not allocate CIDR ranges for every node. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.services.cidrBlocks if that is set
type: string
serviceSubnet:
description: ServiceSubnet is the subnet used by k8s services. Defaults to a comma-delimited string of the Cluster object's spec.clusterNetwork.pods.cidrBlocks, or to "10.96.0.0/12" if that's unset.
type: string
type: object
scheduler:
description: Scheduler contains extra settings for the scheduler control plane component
properties:
extraArgs:
additionalProperties:
type: string
description: 'ExtraArgs is an extra set of flags to pass to the control plane component. TODO: This is temporary and ideally we would like to switch all components to use ComponentConfig + ConfigMaps.'
type: object
extraVolumes:
description: ExtraVolumes is an extra set of host volumes, mounted to the control plane component.
items:
description: HostPathMount contains elements describing volumes that are mounted from the host.
properties:
hostPath:
description: HostPath is the path in the host that will be mounted inside the pod.
type: string
mountPath:
description: MountPath is the path inside the pod where hostPath will be mounted.
type: string
name:
description: Name of the volume inside the pod template.
type: string
pathType:
description: PathType is the type of the HostPath.
type: string
readOnly:
description: ReadOnly controls write access to the volume
type: boolean
required:
- hostPath
- mountPath
- name
type: object
type: array
type: object
type: object
diskSetup:
description: DiskSetup specifies options for the creation of partition tables and file systems on devices.
properties:
filesystems:
description: Filesystems specifies the list of file systems to setup.
items:
description: Filesystem defines the file systems to be created.
properties:
device:
description: Device specifies the device name
type: string
extraOpts:
description: ExtraOpts defined extra options to add to the command for creating the file system.
items:
type: string
type: array
filesystem:
description: Filesystem specifies the file system type.
type: string
label:
description: Label specifies the file system label to be used. If set to None, no label is used.
type: string
overwrite:
description: Overwrite defines whether or not to overwrite any existing filesystem. If true, any pre-existing file system will be destroyed. Use with Caution.
type: boolean
partition:
description: 'Partition specifies the partition to use. The valid options are: "auto|any", "auto", "any", "none", and <NUM>, where NUM is the actual partition number.'
type: string
replaceFS:
description: 'ReplaceFS is a special directive, used for Microsoft Azure that instructs cloud-init to replace a file system of <FS_TYPE>. NOTE: unless you define a label, this requires the use of the ''any'' partition directive.'
type: string
required:
- device
- filesystem
- label
type: object
type: array
partitions:
description: Partitions specifies the list of the partitions to setup.
items:
description: Partition defines how to create and layout a partition.
properties:
device:
description: Device is the name of the device.
type: string
layout:
description: Layout specifies the device layout. If it is true, a single partition will be created for the entire device. When layout is false, it means don't partition or ignore existing partitioning.
type: boolean
overwrite:
description: Overwrite describes whether to skip checks and create the partition if a partition or filesystem is found on the device. Use with caution. Default is 'false'.
type: boolean
tableType:
description: 'TableType specifies the tupe of partition table. The following are supported: ''mbr'': default and setups a MS-DOS partition table ''gpt'': setups a GPT partition table'
type: string
required:
- device
- layout
type: object
type: array
type: object
files:
description: Files specifies extra files to be passed to user_data upon creation.
items:
description: File defines the input for generating write_files in cloud-init.
properties:
content:
description: Content is the actual content of the file.
type: string
contentFrom:
description: ContentFrom is a referenced source of content to populate the file.
properties:
secret:
description: Secret represents a secret that should populate this file.
properties:
key:
description: Key is the key in the secret's data map for this value.
type: string
name:
description: Name of the secret in the KubeadmBootstrapConfig's namespace to use.
type: string
required:
- key
- name
type: object
required:
- secret
type: object
encoding:
description: Encoding specifies the encoding of the file contents.
enum:
- base64
- gzip
- gzip+base64
type: string
owner:
description: Owner specifies the ownership of the file, e.g. "root:root".
type: string
path:
description: Path specifies the full path on disk where to store the file.
type: string
permissions:
description: Permissions specifies the permissions to assign to the file, e.g. "0640".
type: string
required:
- path
type: object
type: array
format:
description: Format specifies the output format of the bootstrap data
enum:
- cloud-config
- ignition
type: string
ignition:
description: Ignition contains Ignition specific configuration.
properties:
containerLinuxConfig:
description: ContainerLinuxConfig contains CLC specific configuration.
properties:
additionalConfig:
description: "AdditionalConfig contains additional configuration to be merged with the Ignition configuration generated by the bootstrapper controller. More info: https://coreos.github.io/ignition/operator-notes/#config-merging \n The data format is documented here: https://kinvolk.io/docs/flatcar-container-linux/latest/provisioning/cl-config/"
type: string
strict:
description: Strict controls if AdditionalConfig should be strictly parsed. If so, warnings are treated as errors.
type: boolean
type: object
type: object
initConfiguration:
description: InitConfiguration along with ClusterConfiguration are the configurations necessary for the init command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
bootstrapTokens:
description: BootstrapTokens is respected at `kubeadm init` time and describes a set of Bootstrap Tokens to create. This information IS NOT uploaded to the kubeadm cluster configmap, partly because of its sensitive nature
items:
description: BootstrapToken describes one bootstrap token, stored as a Secret in the cluster.
properties:
description:
description: Description sets a human-friendly message why this token exists and what it's used for, so other administrators can know its purpose.
type: string
expires:
description: Expires specifies the timestamp when this token expires. Defaults to being set dynamically at runtime based on the TTL. Expires and TTL are mutually exclusive.
format: date-time
type: string
groups:
description: Groups specifies the extra groups that this token will authenticate as when/if used for authentication
items:
type: string
type: array
token:
description: Token is used for establishing bidirectional trust between nodes and control-planes. Used for joining nodes in the cluster.
type: string
ttl:
description: TTL defines the time to live for this token. Defaults to 24h. Expires and TTL are mutually exclusive.
type: string
usages:
description: Usages describes the ways in which this token can be used. Can by default be used for establishing bidirectional trust, but that can be changed here.
items:
type: string
type: array
required:
- token
type: object
type: array
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance that's deployed on this control plane node In HA setups, this differs from ClusterConfiguration.ControlPlaneEndpoint in the sense that ControlPlaneEndpoint is the global endpoint for the cluster, which then loadbalances the requests to each individual API server. This configuration object lets you customize what IP/DNS name and port the local API server advertises it's accessible on. By default, kubeadm tries to auto-detect the IP of the default interface and use that, but in case that process fails you may set the desired value here.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
joinConfiguration:
description: JoinConfiguration is the kubeadm configuration for the join command
properties:
apiVersion:
description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
type: string
caCertPath:
description: 'CACertPath is the path to the SSL certificate authority used to secure comunications between node and control-plane. Defaults to "/etc/kubernetes/pki/ca.crt". TODO: revisit when there is defaulting from k/k'
type: string
controlPlane:
description: ControlPlane defines the additional control plane instance to be deployed on the joining node. If nil, no additional control plane instance will be deployed.
properties:
localAPIEndpoint:
description: LocalAPIEndpoint represents the endpoint of the API server instance to be deployed on this node.
properties:
advertiseAddress:
description: AdvertiseAddress sets the IP address for the API server to advertise.
type: string
bindPort:
description: BindPort sets the secure port for the API Server to bind to. Defaults to 6443.
format: int32
type: integer
type: object
type: object
discovery:
description: 'Discovery specifies the options for the kubelet to use during the TLS Bootstrap process TODO: revisit when there is defaulting from k/k'
properties:
bootstrapToken:
description: BootstrapToken is used to set the options for bootstrap token based discovery BootstrapToken and File are mutually exclusive
properties:
apiServerEndpoint:
description: APIServerEndpoint is an IP or domain name to the API server from which info will be fetched.
type: string
caCertHashes:
description: 'CACertHashes specifies a set of public key pins to verify when token-based discovery is used. The root CA found during discovery must match one of these values. Specifying an empty set disables root CA pinning, which can be unsafe. Each hash is specified as "<type>:<value>", where the only currently supported type is "sha256". This is a hex-encoded SHA-256 hash of the Subject Public Key Info (SPKI) object in DER-encoded ASN.1. These hashes can be calculated using, for example, OpenSSL: openssl x509 -pubkey -in ca.crt openssl rsa -pubin -outform der 2>&/dev/null | openssl dgst -sha256 -hex'
items:
type: string
type: array
token:
description: Token is a token used to validate cluster information fetched from the control-plane.
type: string
unsafeSkipCAVerification:
description: UnsafeSkipCAVerification allows token-based discovery without CA verification via CACertHashes. This can weaken the security of kubeadm since other nodes can impersonate the control-plane.
type: boolean
required:
- token
type: object
file:
description: File is used to specify a file or URL to a kubeconfig file from which to load cluster information BootstrapToken and File are mutually exclusive
properties:
kubeConfigPath:
description: KubeConfigPath is used to specify the actual file path or URL to the kubeconfig file from which to load cluster information
type: string
required:
- kubeConfigPath
type: object
timeout:
description: Timeout modifies the discovery timeout
type: string
tlsBootstrapToken:
description: TLSBootstrapToken is a token used for TLS bootstrapping. If .BootstrapToken is set, this field is defaulted to .BootstrapToken.Token, but can be overridden. If .File is set, this field **must be set** in case the KubeConfigFile does not contain any other authentication information
type: string
type: object
kind:
description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
type: string
nodeRegistration:
description: NodeRegistration holds fields that relate to registering the new control-plane node to the cluster. When used in the context of control plane nodes, NodeRegistration should remain consistent across both InitConfiguration and JoinConfiguration
properties:
criSocket:
description: CRISocket is used to retrieve container runtime info. This information will be annotated to the Node API object, for later re-use
type: string
ignorePreflightErrors:
description: IgnorePreflightErrors provides a slice of pre-flight errors to be ignored when the current node is registered.
items:
type: string
type: array
kubeletExtraArgs:
additionalProperties:
type: string
description: KubeletExtraArgs passes through extra arguments to the kubelet. The arguments here are passed to the kubelet command line via the environment file kubeadm writes at runtime for the kubelet to source. This overrides the generic base-level configuration in the kubelet-config-1.X ConfigMap Flags have higher priority when parsing. These values are local and specific to the node kubeadm is executing on.
type: object
name:
description: Name is the `.Metadata.Name` field of the Node API object that will be created in this `kubeadm init` or `kubeadm join` operation. This field is also used in the CommonName field of the kubelet's client certificate to the API server. Defaults to the hostname of the node if not provided.
type: string
taints:
description: 'Taints specifies the taints the Node API object should be registered with. If this field is unset, i.e. nil, in the `kubeadm init` process it will be defaulted to []v1.Taint{''node-role.kubernetes.io/master=""''}. If you don''t want to taint your control-plane node, set this field to an empty slice, i.e. `taints: {}` in the YAML file. This field is solely used for Node registration.'
items:
description: The node this Taint is attached to has the "effect" on any pod that does not tolerate the Taint.
properties:
effect:
description: Required. The effect of the taint on pods that do not tolerate the taint. Valid effects are NoSchedule, PreferNoSchedule and NoExecute.
type: string
key:
description: Required. The taint key to be applied to a node.
type: string
timeAdded:
description: TimeAdded represents the time at which the taint was added. It is only written for NoExecute taints.
format: date-time
type: string
value:
description: The taint value corresponding to the taint key.
type: string
required:
- effect
- key
type: object
type: array
type: object
type: object
mounts:
description: Mounts specifies a list of mount points to be setup.
items:
description: MountPoints defines input for generated mounts in cloud-init.
items:
type: string
type: array
type: array
ntp:
description: NTP specifies NTP configuration
properties:
enabled:
description: Enabled specifies whether NTP should be enabled
type: boolean
servers:
description: Servers specifies which NTP servers to use
items:
type: string
type: array
type: object
postKubeadmCommands:
description: PostKubeadmCommands specifies extra commands to run after kubeadm runs
items:
type: string
type: array
preKubeadmCommands:
description: PreKubeadmCommands specifies extra commands to run before kubeadm runs
items:
type: string
type: array
useExperimentalRetryJoin:
description: "UseExperimentalRetryJoin replaces a basic kubeadm command with a shell script with retries for joins. \n This is meant to be an experimental temporary workaround on some environments where joins fail due to timing (and other issues). The long term goal is to add retries to kubeadm proper and use that functionality. \n This will add about 40KB to userdata \n For more information, refer to https://github.com/kubernetes-sigs/cluster-api/pull/2763#discussion_r397306055."
type: boolean
users:
description: Users specifies extra users to add
items:
description: User defines the input for a generated user in cloud-init.
properties:
gecos:
description: Gecos specifies the gecos to use for the user
type: string
groups:
description: Groups specifies the additional groups for the user
type: string
homeDir:
description: HomeDir specifies the home directory to use for the user
type: string
inactive:
description: Inactive specifies whether to mark the user as inactive
type: boolean
lockPassword:
description: LockPassword specifies if password login should be disabled
type: boolean
name:
description: Name specifies the user name
type: string
passwd:
description: Passwd specifies a hashed password for the user
type: string
primaryGroup:
description: PrimaryGroup specifies the primary group for the user
type: string
shell:
description: Shell specifies the user's shell
type: string
sshAuthorizedKeys:
description: SSHAuthorizedKeys specifies a list of ssh authorized keys for the user
items:
type: string
type: array
sudo:
description: Sudo specifies a sudo role for the user
type: string
required:
- name
type: object
type: array
verbosity:
description: Verbosity is the number for the kubeadm log level verbosity. It overrides the `--v` flag in kubeadm commands.
format: int32
type: integer
type: object
type: object
required:
- template
type: object
type: object
served: true
storage: true
subresources: {}
status:
acceptedNames:
kind: ""
plural: ""
conditions: []
storedVersions: []
---
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-manager
namespace: capi-kubeadm-bootstrap-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-leader-election-role
namespace: capi-kubeadm-bootstrap-system
rules:
- apiGroups:
- ""
resources:
- events
verbs:
- create
- apiGroups:
- coordination.k8s.io
resources:
- leases
verbs:
- get
- list
- watch
- create
- update
- patch
- delete
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
creationTimestamp: null
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-manager-role
rules:
- apiGroups:
- ""
resources:
- configmaps
- events
- secrets
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- bootstrap.cluster.x-k8s.io
resources:
- kubeadmconfigs
- kubeadmconfigs/finalizers
- kubeadmconfigs/status
verbs:
- create
- delete
- get
- list
- patch
- update
- watch
- apiGroups:
- cluster.x-k8s.io
resources:
- clusters
- clusters/status
- machinepools
- machinepools/status
- machines
- machines/status
verbs:
- get
- list
- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-leader-election-rolebinding
namespace: capi-kubeadm-bootstrap-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: capi-kubeadm-bootstrap-leader-election-role
subjects:
- kind: ServiceAccount
name: capi-kubeadm-bootstrap-manager
namespace: capi-kubeadm-bootstrap-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-manager-rolebinding
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: ClusterRole
name: capi-kubeadm-bootstrap-manager-role
subjects:
- kind: ServiceAccount
name: capi-kubeadm-bootstrap-manager
namespace: capi-kubeadm-bootstrap-system
---
apiVersion: v1
kind: Service
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
spec:
ports:
- port: 443
targetPort: webhook-server
selector:
cluster.x-k8s.io/provider: bootstrap-kubeadm
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
control-plane: controller-manager
name: capi-kubeadm-bootstrap-controller-manager
namespace: capi-kubeadm-bootstrap-system
spec:
replicas: 1
selector:
matchLabels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
control-plane: controller-manager
template:
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
control-plane: controller-manager
spec:
containers:
- args:
- --leader-elect
- --metrics-bind-addr=localhost:8080
- --feature-gates=MachinePool=${EXP_MACHINE_POOL:=false},KubeadmBootstrapFormatIgnition=true
command:
- /manager
image: gcr.io/k8s-staging-cluster-api/kubeadm-bootstrap-controller:main
imagePullPolicy: Always
livenessProbe:
httpGet:
path: /healthz
port: healthz
name: manager
ports:
- containerPort: 9443
name: webhook-server
protocol: TCP
- containerPort: 9440
name: healthz
protocol: TCP
readinessProbe:
httpGet:
path: /readyz
port: healthz
volumeMounts:
- mountPath: /tmp/k8s-webhook-server/serving-certs
name: cert
readOnly: true
serviceAccountName: capi-kubeadm-bootstrap-manager
terminationGracePeriodSeconds: 10
tolerations:
- effect: NoSchedule
key: node-role.kubernetes.io/master
volumes:
- name: cert
secret:
secretName: capi-kubeadm-bootstrap-webhook-service-cert
---
apiVersion: cert-manager.io/v1
kind: Certificate
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-serving-cert
namespace: capi-kubeadm-bootstrap-system
spec:
dnsNames:
- capi-kubeadm-bootstrap-webhook-service.capi-kubeadm-bootstrap-system.svc
- capi-kubeadm-bootstrap-webhook-service.capi-kubeadm-bootstrap-system.svc.cluster.local
issuerRef:
kind: Issuer
name: capi-kubeadm-bootstrap-selfsigned-issuer
secretName: capi-kubeadm-bootstrap-webhook-service-cert
subject:
organizations:
- k8s-sig-cluster-lifecycle
---
apiVersion: cert-manager.io/v1
kind: Issuer
metadata:
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-selfsigned-issuer
namespace: capi-kubeadm-bootstrap-system
spec:
selfSigned: {}
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
annotations:
cert-manager.io/inject-ca-from: capi-kubeadm-bootstrap-system/capi-kubeadm-bootstrap-serving-cert
labels:
cluster.x-k8s.io/provider: bootstrap-kubeadm
name: capi-kubeadm-bootstrap-validating-webhook-configuration
webhooks:
- admissionReviewVersions:
- v1
- v1beta1
clientConfig:
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /validate-bootstrap-cluster-x-k8s-io-v1beta1-kubeadmconfig
failurePolicy: Fail
matchPolicy: Equivalent
name: validation.kubeadmconfig.bootstrap.cluster.x-k8s.io
rules:
- apiGroups:
- bootstrap.cluster.x-k8s.io
apiVersions:
- v1beta1
operations:
- CREATE
- UPDATE
resources:
- kubeadmconfigs
sideEffects: None
- admissionReviewVersions:
- v1
- v1beta1
clientConfig:
service:
name: capi-kubeadm-bootstrap-webhook-service
namespace: capi-kubeadm-bootstrap-system
path: /validate-bootstrap-cluster-x-k8s-io-v1beta1-kubeadmconfigtemplate
failurePolicy: Fail
matchPolicy: Equivalent
name: validation.kubeadmconfigtemplate.bootstrap.cluster.x-k8s.io
rules:
- apiGroups:
- bootstrap.cluster.x-k8s.io
apiVersions:
- v1beta1
operations:
- CREATE
- UPDATE
resources:
- kubeadmconfigtemplates
sideEffects: None
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