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@andsens andsens/Corefile
Last active Feb 12, 2019

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Minikube DNS addon
---
# From: helm/stable/coredns
apiVersion: v1
kind: Service
metadata:
name: coredns
spec:
type: LoadBalancer
selector:
app: localdns
component: coredns
ports:
- name: dns
port: 53
protocol: UDP
---
apiVersion: v1
kind: ServiceAccount
metadata:
name: coredns
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
name: coredns
rules:
- apiGroups: [""]
resources: [endpoints, services, pods, namespaces]
verbs: [list, watch]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
name: coredns
roleRef:
kind: ClusterRole
name: coredns
apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
name: coredns
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: coredns
spec:
replicas: 1
selector:
matchLabels:
app: localdns
component: coredns
template:
metadata:
name: coredns
labels:
app: localdns
component: coredns
program: coredns
spec:
serviceAccountName: coredns
containers:
- name: coredns
image: coredns/coredns:1.3.0
imagePullPolicy: IfNotPresent
args: [ "-conf", "/etc/coredns/Corefile" ]
ports:
- containerPort: 53
name: dns
protocol: UDP
- containerPort: 53
name: dns-tcp
protocol: TCP
- containerPort: 9153
name: metrics
protocol: TCP
securityContext:
allowPrivilegeEscalation: false
capabilities:
add:
- NET_BIND_SERVICE
drop:
- all
readOnlyRootFilesystem: true
resources:
limits:
cpu: 100m
memory: 128Mi
requests:
cpu: 100m
memory: 128Mi
volumeMounts:
- name: config
mountPath: /etc/coredns/Corefile
subPath: Corefile
readOnly: true
volumes:
- name: config
configMap:
name: coredns
.:53 {
cache 30
log
errors
prometheus
etcd k8s {
stubzones
endpoint http://etcd:2379
}
}
---
apiVersion: v1
kind: Service
metadata:
name: etcd
spec:
selector:
app: localdns
component: etcd
ports:
- name: client
port: 2379
- name: server
port: 2380
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
name: etcd
spec:
selector:
matchLabels:
app: localdns
component: etcd
template:
metadata:
name: etcd
labels:
app: localdns
component: etcd
program: etcd
spec:
containers:
- name: etcd
image: quay.io/coreos/etcd:v3.3
command: [/usr/local/bin/etcd]
args:
- --name
- etcd
- --initial-advertise-peer-urls
- http://etcd:2380
- --listen-peer-urls
- http://0.0.0.0:2380
- --listen-client-urls
- http://0.0.0.0:2379
- --advertise-client-urls
- http://etcd.localdns:2379
- --initial-cluster
- etcd=http://etcd:2380
- --initial-cluster-state
- new
ports:
- containerPort: 2379
name: client
- containerPort: 2380
name: server
---
# From: https://github.com/kubernetes-incubator/external-dns/blob/master/docs/tutorials/coredns.md
apiVersion: v1
kind: ServiceAccount
metadata:
name: external-dns
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRole
metadata:
name: external-dns
rules:
- apiGroups: [""]
resources: ["services"]
verbs: ["get","watch","list"]
- apiGroups: [""]
resources: ["pods"]
verbs: ["get","watch","list"]
- apiGroups: ["extensions"]
resources: ["ingresses"]
verbs: ["get","watch","list"]
- apiGroups: [""]
resources: ["nodes"]
verbs: ["list"]
---
apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
name: external-dns
roleRef:
kind: ClusterRole
name: external-dns
apiGroup: rbac.authorization.k8s.io
subjects:
- kind: ServiceAccount
name: external-dns
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: external-dns
spec:
strategy:
type: Recreate
selector:
matchLabels:
app: localdns
component: external-dns
template:
metadata:
labels:
app: localdns
component: external-dns
program: external-dns
spec:
serviceAccountName: external-dns
containers:
- name: external-dns
image: registry.opensource.zalan.do/teapot/external-dns:latest
args:
- --source=ingress
- --provider=coredns
env:
- name: ETCD_URLS
value: http://etcd:2379
apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization
namespace: localdns
commonLabels:
app: localdns
resources:
- coredns.yaml
- etcd.yaml
- external-dns.yaml
- namespace.yaml
configMapGenerator:
- name: coredns
files:
- Corefile
---
apiVersion: v1
kind: Namespace
metadata:
name: localdns
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