【Kubernetes】通过ConfigMap修改容器的DNS

apiVersion: v1
data:
  resolv.conf: |
    nameserver x.xx.xxx.xxx
kind: ConfigMap
metadata:
  name: huanandns
  namespace: test

apiVersion: v1
kind: Pod
metadata:
  name: testcm-755976b754-pxtpt
  namespace: test
  ownerReferences:
  - apiVersion: extensions/v1beta1
    blockOwnerDeletion: true
    controller: true
    kind: ReplicaSet
    name: testcm-755976b754
spec:
  containers:
  - args:
    - "36000"
    command:
    - sleep
    image: nginx:latest
    imagePullPolicy: Always
    name: new-container-1
    resources:
      limits:
        cpu: "1"
        memory: 100Mi
      requests:
        cpu: "1"
        memory: 100Mi
    volumeMounts:
    - mountPath: /etc/resolv.conf
      name: cm
      subPath: resolv.conf
  volumes:
  - configMap:
      name: huanandns
    name: cm