k8s-一个pod中有多个容器_k8s pod 多个container

k8s - 一个 pod 中有多个 容器

在一个pod中创建多个容器

[root@k8s-master pod]# cat multi_pod.yaml 
apiVersion: v1
kind: Pod
metadata:
  name: multi-pod
  labels:
    app: multi-pod
spec:
  containers:
    - name: nginx
      image: nginx:latest
      imagePullPolicy: IfNotPresent
      ports:
        - containerPort: 80
          hostPort: 80
    - name: redis
      image: redis:latest
      imagePullPolicy: IfNotPresent
      ports:
        - containerPort: 6379
          hostPort: 6379
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启动:

kubectl apply -f multi_pod.yaml
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查看

[root@k8s-master pod]# kubectl get pod -o wide
NAME        READY   STATUS    RESTARTS   AGE     IP            NODE        NOMINATED NODE   READINESS GATES
multi-pod   2/2     Running   0          5m48s   10.244.1.21   k8s-node1   <none>           <none>
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到 k8s-node1 节点上查看容器:

[root@k8s-node1 ~]# docker ps|grep multi
7cb321a927ca        7614ae9453d1           "docker-entrypoint.s…"      k8s_redis_multi-pod_default_cc4adb3b-7103-4ac6-981f-94d6b2ea9b20_0
4e568d0580d6        f6987c8d6ed5           "/docker-entrypoint.…"      k8s_nginx_multi-pod_default_cc4adb3b-7103-4ac6-981f-94d6b2ea9b20_0
940398a790b5        k8s.gcr.io/pause:3.5   "/pause"                    k8s_POD_multi-pod_default_cc4adb3b-7103-4ac6-981f-94d6b2ea9b20_0
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进入pod中一个container

# kubectl exec -it pod_name -c pod_container_name -- bash
[root@k8s-master pod]# kubectl exec -it multi-pod -c redis -- bash
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