3.4 创建初始化容器Init Containers 创建一个pod,initContainers指定初始化容器,command: ["sh","-c","sleep 15"]表示初始化容器需要休眠15秒 [root@k8scloude1 pod]# vim initcontainer.yaml[root@k8scloude1 pod]# cat initcontainer.yamlapiVersion: v1 kind: Pod metadata: creationTimestamp: null labels...
command: ['sh', '-c', 'echo The app is running! && sleep 3600'] initContainers: #定义初始化容器 - name: init-myservice #初始化容器名称 image: busybox #初始化容器使用的镜像 command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;'] #执...
在Kubernetes 配置文件中,你可以在 spec.initContainers 字段下定义 initContainers。每个 initContainer 都可以有自己的 command 字段,用于指定要执行的命令。 3. 掌握在单个 initContainer 中执行多个命令的方法 在单个 initContainer 中执行多个命令,可以通过在 command 字段中指定一个 shell(如 /bin/sh 或/bin/bas...
command: ['sh', '-c', 'echo "Initialization process 2" && sleep 10'] ``` 在这个例子中,`example-pod`包含一个名为`main-container`的主容器,以及两个`initContainers`,分别为`init-container-1`和`init-container-2`。`init-container-1`执行一个简单的命令,而`init-container-2`执行一个稍微复杂...
command: ['sh', '-c', 'echo Initializing...'] resources: requests: memory: "64Mi" cpu: "250m" ``` 在这个示例中,我们为init-container初始化容器设置了内存和CPU的请求。 3. 应用Pod配置到K8S集群中: ```bash kubectl apply -f pod.yaml ...
initContainers:-args:-'-c'-cp-R /skywalking/agent /agent/command:-/bin/shimage:'registry.xxx.com/xxx/skywalking:8.7.0-alpine'imagePullPolicy:IfNotPresentname:dataease-1resources:{}terminationMessagePath:/dev/termination-logterminationMessagePolicy:FilevolumeMounts:-mountPath:/agentname:skywalking-agent...
apiVersion:v1kind:Podmetadata:name:example-appspec:containers:-name:example-app-containerimage:nginxports:-containerPort:80initContainers:-name:init-myserviceimage:192.168.31.43:5000/busyboxcommand:['sh','-c','until nslookup my-service; do echo waiting for myservice; sleep 2; done;']-name:in...
apiVersion:apps/v1kind:Deploymentmetadata:name:java-appspec:replicas:1selector:matchLabels:app:java-apptemplate:metadata:labels:app:java-appspec:initContainers:-name:init-java-appimage:alpine/apk:latestcommand:['sh','-c','apk add --no-cache openjdk11-jre && rm -rf /var/cache/apk/*']env...
v6 imagePullPolicy: IfNotPresent #使用init容器做 myapp-v6的容器启动前置容器,这个容器的作用是检查nginx-deployment-svc这个svc是否已经存在 initContainers: - name: init-svc image: ikubernetes/myapp:v7 command: ['sh','-c','until ping -c 1 nginx-deployment-svc; do echo waiting for myservice; ...
[root@k8s-masterk8s]# cat pod-init.yamlapiVersion:v1kind:Podmetadata:labels:app:pod-initname:pod-initspec:# 初始化容器initContainers:-name:cloneimage:bitnami/gitcommand:["/bin/sh","-c","git clone https://gitee.com/zhenliangli/web-demo /data"]volumeMounts:-name:datamountPath:/data# 主...