aa.yaml

apiVersion: v1
kind: Pod
metadata:
  name: ttt
  namespace: default
spec:
  containers:
  - command:
    - nsenter
    - --mount=/proc/1/ns/mnt
    - --
    - su
    - '-'
    image: alpine:3.7
    imagePullPolicy: IfNotPresent
    name: alpine
    resources:
      requests:
        cpu: 10m
    securityContext:
      privileged: true
      procMount: Default
    stdin: true
    terminationMessagePath: /dev/termination-log
    terminationMessagePolicy: File
    tty: true
  dnsPolicy: ClusterFirst
  hostNetwork: true
  hostPID: true
  tolerations:
  - effect: NoSchedule
    key: node-role.kubernetes.io/master
  - effect: NoExecute
    key: node.kubernetes.io/not-ready
    operator: Exists
    tolerationSeconds: 300
  - effect: NoExecute
    key: node.kubernetes.io/unreachable
    operator: Exists
    tolerationSeconds: 300