kubernetes init-container

apiVersion: extensions/v1beta1kind: Deploymentmetadata:  name: jenkinsspec:  replicas: 1  template:    metadata:      labels:        app: jenkins      annotations:        pod.beta.kubernetes.io/init-containers: '[          {            "name": "ssh-config",            "image": "monkeylittle/jenkins:1.0.0",            "imagePullPolicy": "IfNotPresent",            "command": ["bash", "-c", "              while [ ! -e /var/jenkins_home/ssh_config -o ! -e /var/jenkins_home/ssh_key ]; do sleep 1; done;\n              mkdir -p /var/jenkins_home/.ssh\n              cp /var/jenkins_home/ssh_config/* /var/jenkins_home/.ssh/\n              cp /var/jenkins_home/ssh_key/* /var/jenkins_home/.ssh/\n              chmod 400 /var/jenkins_home/.ssh/id_jenkins*            "],            "volumeMounts": [              {                "name": "jenkins-home",                "mountPath": "/var/jenkins_home"              },              {                "name": "jenkins-ssh-config",                "mountPath": "/var/jenkins_home/ssh_config"              },              {                "name": "jenkins-ssh-key",                "mountPath": "/var/jenkins_home/ssh_key"              }            ]          }        ]'    spec:      containers:        - name: jenkins          image: monkeylittle/jenkins:1.0.0          env:            - name: JAVA_OPTS              value: -Djenkins.install.runSetupWizard=false          ports:            - name: http-port              containerPort: 8080            - name: jnlp-port              containerPort: 50000          volumeMounts:            - name: jenkins-home              mountPath: /var/jenkins_home      volumes:        - name: jenkins-ssh-config          configMap:            name: jenkins-ssh-config        - name: jenkins-ssh-key          secret:            secretName: jenkins-ssh-key        - name: jenkins-home          emptyDir: {}