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Deploying a CAPD cluster
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| # An attempt to create a CAPD cluster as explained in https://cluster-api.sigs.k8s.io/user/quick-start.html | |
| # config.yaml for kind cluster which maps host docker socket into the kind cluster node | |
| cat >config.yaml <<EOF | |
| kind: Cluster | |
| apiVersion: kind.x-k8s.io/v1alpha4 | |
| nodes: | |
| - role: control-plane | |
| extraMounts: | |
| - hostPath: /var/run/docker.sock | |
| containerPath: /var/run/docker.sock | |
| EOF | |
| # create the kind management cluster | |
| kind create cluster --config config.yaml | |
| # Install cluserctl | |
| https://cluster-api.sigs.k8s.io/user/quick-start.html#install-clusterctl | |
| # Initialize the management cluster | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ clusterctl init --infrastructure docker | |
| Fetching providers | |
| Installing cert-manager Version="v1.5.3" | |
| Waiting for cert-manager to be available... | |
| Installing Provider="cluster-api" Version="v1.0.1" TargetNamespace="capi-system" | |
| Installing Provider="bootstrap-kubeadm" Version="v1.0.1" TargetNamespace="capi-kubeadm-bootstrap-system" | |
| Installing Provider="control-plane-kubeadm" Version="v1.0.1" TargetNamespace="capi-kubeadm-control-plane-system" | |
| I1119 07:11:09.684195 42420 request.go:665] Waited for 1.018070321s due to client-side throttling, not priority and fairness, request: GET:https://127.0.0.1:56340/apis/bootstrap.cluster.x-k8s.io/v1alpha4?timeout=30s | |
| Installing Provider="infrastructure-docker" Version="v1.0.1" TargetNamespace="capd-system" | |
| Your management cluster has been initialized successfully! | |
| You can now create your first workload cluster by running the following: | |
| clusterctl generate cluster [name] --kubernetes-version [version] | kubectl apply -f - | |
| # Define your service and pod cidr, | |
| # The list of service CIDR, default ["10.128.0.0/12"] | |
| export SERVICE_CIDR=["10.96.0.0/12"] | |
| # The list of pod CIDR, default ["192.168.0.0/16"] | |
| export POD_CIDR=["192.168.0.0/16"] | |
| # The service domain, default "cluster.local" | |
| export SERVICE_DOMAIN="k8s.test" | |
| # Generating the cluster configuration, now this can be adjusted as per your need | |
| clusterctl generate cluster capi-docker --flavor development \ | |
| --kubernetes-version v1.22.0 \ | |
| --control-plane-machine-count=3 \ | |
| --worker-machine-count=3 \ | |
| > capi-docker.yaml | |
| # Apply the generated cluster config | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ kubectl apply -f capi-docker.yaml | |
| cluster.cluster.x-k8s.io/capi-docker created | |
| dockercluster.infrastructure.cluster.x-k8s.io/capi-docker created | |
| dockermachinetemplate.infrastructure.cluster.x-k8s.io/capi-docker-control-plane created | |
| kubeadmcontrolplane.controlplane.cluster.x-k8s.io/capi-docker-control-plane created | |
| dockermachinetemplate.infrastructure.cluster.x-k8s.io/capi-docker-md-0 created | |
| kubeadmconfigtemplate.bootstrap.cluster.x-k8s.io/capi-docker-md-0 created | |
| machinedeployment.cluster.x-k8s.io/capi-docker-md-0 created | |
| # Get the kubeconfig of the cluster | |
| clusterctl get kubeconfig capi-docker>capi-docker.kubeconfig | |
| # If you are using Docker on MacOS, you will need to do a couple of additional steps to get the correct kubeconfig for a workload cluster created with the Docker provider. See Additional Notes for the Docker Provider. https://cluster-api.sigs.k8s.io/clusterctl/developers.html#additional-notes-for-the-docker-provider | |
| # Fix kubeconfig (when using docker on MacOS) | |
| # When using docker on MacOS, you will need to do a couple of additional steps to get the correct kubeconfig for a workload cluster created with the Docker provider: | |
| # Point the kubeconfig to the exposed port of the load balancer, rather than the inaccessible container IP. | |
| sed -i -e "s/server:.*/server: https:\/\/$(docker port capi-docker-lb 6443/tcp | sed "s/0.0.0.0/127.0.0.1/")/g" ./capi-docker.kubeconfig | |
| # Ignore the CA, because it is not signed for 127.0.0.1 | |
| sed -i -e "s/certificate-authority-data:.*/insecure-skip-tls-verify: true/g" ./capi-docker.kubeconfig | |
| # wait for some time and check the status of the cluster, it took ~10 min in my local to get the status Ready | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ kubectl --kubeconfig=capi-docker.kubeconfig get no | |
| NAME STATUS ROLES AGE VERSION | |
| capi-docker-control-plane-rz57g Ready control-plane,master 34m v1.22.0 | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ kubectl get kubeadmcontrolplane | |
| NAME CLUSTER INITIALIZED API SERVER AVAILABLE REPLICAS READY UPDATED UNAVAILABLE AGE VERSION | |
| capi-docker-control-plane capi-docker true 1 1 1 39m v1.22.0 | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ | |
| # Pls note that we have only one of the control plane node now, but we mentioned we need 3 master and 3 worker nodes | |
| # Lets describe the cluster | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ clusterctl describe cluster capi-docker | |
| NAME READY SEVERITY REASON SINCE MESSAGE | |
| /capi-docker False Warning ScalingUp 72m Scaling up control plane to 3 replicas (actual 1) | |
| ├─ClusterInfrastructure - DockerCluster/capi-docker True 72m | |
| ├─ControlPlane - KubeadmControlPlane/capi-docker-control-plane False Warning ScalingUp 72m Scaling up control plane to 3 replicas (actual 1) | |
| │ └─Machine/capi-docker-control-plane-rz57g True 34m | |
| └─Workers | |
| └─MachineDeployment/capi-docker-md-0 False Warning WaitingForAvailableMachines 72m Minimum availability requires 3 replicas, current 0 available | |
| └─3 Machines... False Info WaitingForBootstrapData 7m21s See capi-docker-md-0-55f6dc45fb-9sv5t, capi-docker-md-0-55f6dc45fb-gn282, ... | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ | |
| gkailathuvalap@gkailathuva-a01:~/k8s/cluster-api$ kubectl describe machine capi-docker-md-0-55f6dc45fb-9sv5t | |
| Name: capi-docker-md-0-55f6dc45fb-9sv5t | |
| Namespace: default | |
| Labels: cluster.x-k8s.io/cluster-name=capi-docker | |
| cluster.x-k8s.io/deployment-name=capi-docker-md-0 | |
| machine-template-hash=1192870196 | |
| Annotations: <none> | |
| API Version: cluster.x-k8s.io/v1beta1 | |
| Kind: Machine | |
| Metadata: | |
| Creation Timestamp: 2021-11-19T01:53:51Z | |
| Finalizers: | |
| machine.cluster.x-k8s.io | |
| Generate Name: capi-docker-md-0-55f6dc45fb- | |
| Generation: 1 | |
| Managed Fields: | |
| API Version: cluster.x-k8s.io/v1beta1 | |
| Fields Type: FieldsV1 | |
| fieldsV1: | |
| f:metadata: | |
| f:finalizers: | |
| .: | |
| v:"machine.cluster.x-k8s.io": | |
| f:generateName: | |
| f:labels: | |
| .: | |
| f:cluster.x-k8s.io/cluster-name: | |
| f:cluster.x-k8s.io/deployment-name: | |
| f:machine-template-hash: | |
| f:ownerReferences: | |
| .: | |
| k:{"uid":"d5c4bea3-40ce-40da-9213-a88dab20c979"}: | |
| .: | |
| f:apiVersion: | |
| f:blockOwnerDeletion: | |
| f:controller: | |
| f:kind: | |
| f:name: | |
| f:uid: | |
| f:spec: | |
| .: | |
| f:bootstrap: | |
| .: | |
| f:configRef: | |
| .: | |
| f:apiVersion: | |
| f:kind: | |
| f:name: | |
| f:namespace: | |
| f:uid: | |
| f:clusterName: | |
| f:infrastructureRef: | |
| .: | |
| f:apiVersion: | |
| f:kind: | |
| f:name: | |
| f:namespace: | |
| f:uid: | |
| f:version: | |
| f:status: | |
| .: | |
| f:bootstrapReady: | |
| f:conditions: | |
| f:lastUpdated: | |
| f:observedGeneration: | |
| f:phase: | |
| Manager: manager | |
| Operation: Update | |
| Time: 2021-11-19T02:31:50Z | |
| Owner References: | |
| API Version: cluster.x-k8s.io/v1beta1 | |
| Block Owner Deletion: true | |
| Controller: true | |
| Kind: MachineSet | |
| Name: capi-docker-md-0-55f6dc45fb | |
| UID: d5c4bea3-40ce-40da-9213-a88dab20c979 | |
| Resource Version: 10846 | |
| UID: 32f335ec-df59-4115-8107-07a177a60882 | |
| Spec: | |
| Bootstrap: | |
| Config Ref: | |
| API Version: bootstrap.cluster.x-k8s.io/v1beta1 | |
| Kind: KubeadmConfig | |
| Name: capi-docker-md-0-sx69k | |
| Namespace: default | |
| UID: 7c293136-6496-4cd3-b11c-2aca0346c737 | |
| Cluster Name: capi-docker | |
| Infrastructure Ref: | |
| API Version: infrastructure.cluster.x-k8s.io/v1beta1 | |
| Kind: DockerMachine | |
| Name: capi-docker-md-0-qbdgc | |
| Namespace: default | |
| UID: 4ccff18b-2d5c-460b-9386-77a7c84f9e35 | |
| Version: v1.22.0 | |
| Status: | |
| Bootstrap Ready: true | |
| Conditions: | |
| Last Transition Time: 2021-11-19T02:59:26Z | |
| Message: 1 of 2 completed | |
| Reason: WaitingForBootstrapData | |
| Severity: Info | |
| Status: False | |
| Type: Ready | |
| Last Transition Time: 2021-11-19T02:31:50Z | |
| Status: True | |
| Type: BootstrapReady | |
| Last Transition Time: 2021-11-19T02:59:26Z | |
| Message: 0 of 2 completed | |
| Reason: WaitingForBootstrapData | |
| Severity: Info | |
| Status: False | |
| Type: InfrastructureReady | |
| Last Transition Time: 2021-11-19T01:53:51Z | |
| Reason: WaitingForNodeRef | |
| Severity: Info | |
| Status: False | |
| Type: NodeHealthy | |
| Last Updated: 2021-11-19T02:31:50Z | |
| Observed Generation: 1 | |
| Phase: Provisioning | |
| Events: <none> |
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