题目要求

  1. 在 namespace default 中创建一个名为 some-config 并存储着以下键值对的 Configmap: key3:value4
  2. 在 namespace default 中创建一个名为 nginx-configmap 的 Pod 。用 nginx:stable 的镜像来指定一个容器。用存储在Configmap some-config 中的数据来填充卷 并将其安装在路径 /some/path

参考

https://kubernetes.io/zh-cn/docs/concepts/configuration/configmap/

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# 创建configmap资源
kubectl create configmap some-config --from-literal=key3=value4 --dry-run=client -o yaml > configmap.yaml
cat configmap.yaml
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: nginx-configmap
  name: nginx-configmap
spec:
  containers:
  - image: nginx:stable
    name: nginx-configmap
    resources: {}
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}

# 创建一个nginx-configmap pod
kubectl run nginx-configmap --image=nginx:stable --dry-run=client -o yaml  > nginx-configmap.yaml

vim nginx-configmap.yaml
apiVersion: v1
kind: Pod
metadata:
  creationTimestamp: null
  labels:
    run: nginx-configmap
  name: nginx-configmap
spec:
  containers:
  - image: nginx:stable #  题目要求
    name: nginx-configmap
    volumeMounts:  #  题目要求
    - name: foo  #  题目要求
      mountPath: "/some/path"   #  题目要求
      readOnly: true 
  volumes: #  题目要求
  - name: foo #  题目要求
    configMap: #  题目要求
      name: some-config #  题目要求
  dnsPolicy: ClusterFirst
  restartPolicy: Always
status: {}

# 应用配置
kubectl apply -f nginx-configmap.yaml
# 测试验证
kubectl exec -it nginx-configmap -- cat /some/path/key3