kubernetes多行脚本

转自：www.baeldung.com/linux/kuber…

方法一

$ cat /home/muasif80/k8s/test-job3.yml
apiVersion: v1
kind: Pod
metadata:
  name: baeldung-test-pod
spec:
  containers:
  - name: baeldung-test-container
    image: ubuntu:latest
    command: ["/bin/bash", "-c"]
    args: ["/bin/baeldung-test-script.sh"]
    volumeMounts:
    - name: baeldung-script-volume
      mountPath: /bin/
      readOnly: true
      subPath: baeldung-test-script.sh
  volumes:
  - name: baeldung-script-volume
    configMap:
      defaultMode: 0700
      name: baeldung-script-configmap
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: baeldung-script-configmap
data:
  baeldung-test-script.sh: |
    #!/bin/bash
    echo "Command 1"
    echo "Command 2"
    echo "Command 3"

方法二

 cat /home/muasif80/k8s/test-job2.yml
apiVersion: v1
kind: Pod
metadata:
  name: my-pod
spec:
  containers:
  - name: my-container
    image: ubuntu:latest
    command: ["sh", "-c"]
    args:
    - |
      echo "Command 1"
      echo "Command 2"
      echo "Command 3"

方法三：

apiVersion: v1
kind: Pod
metadata:
  name: my-pod
spec:
  containers:
  - name: my-container
    image: busybox
    command: ["/bin/sh","-c"]
    args: ["command one; command two && command three"] 

或者：

apiVersion: v1
kind: Pod
metadata:
  name: my-pod
spec:
  containers:
  - name: my-container
    image: busybox
    command: ["/bin/sh", "-c"]
    args:
    - echo "This is the first command";
      sleep 1;
      echo "This is the second command";

方法四

apiVersion: v1
kind: Pod
metadata:
  labels:
    run: busybox
  name: busybox
spec:
  containers:
  - command:
    - /bin/sh
    - -c
    - |
      echo "running below scripts"
      i=0; 
      while true; 
      do 
        echo "$i: $(date)"; 
        i=$((i+1)); 
        sleep 1; 
      done
    name: busybox
    image: busybox

或者

apiVersion: v1
kind: Pod
metadata:
  name: hello-world
spec:  # specification of the pod’s contents
  restartPolicy: Never
  containers:
  - name: hello
    image: "ubuntu:14.04"
    command: ["/bin/sh"]
    args:
      - -c
      - >-
          command1 arg1 arg2 &&
          command2 arg3 &&
          command3 arg4