Kubernetes 验证数据时出错:ValidationError(Deployment.spec.template.spec.volumes[0]):未知字段“;主机别名“;在io.k8s.api.core.v1.Volume中

Kubernetes 验证数据时出错:ValidationError(Deployment.spec.template.spec.volumes[0]):未知字段“;主机别名“;在io.k8s.api.core.v1.Volume中,kubernetes,monitoring,Kubernetes,Monitoring,我试图在kubeadm上使用metrics server,其中有一个头部节点和两个工作节点,但我一直收到未知HostAlias错误 徖 apiVersion: extensions/v1beta1 kind: Deployment metadata: labels: k8s-app: metrics-server name: metrics-server namespace: kube-system spec: selector: matchLabels:

我试图在kubeadm上使用metrics server,其中有一个头部节点和两个工作节点,但我一直收到未知HostAlias错误

apiVersion: extensions/v1beta1
kind: Deployment
metadata: 
  labels: 
    k8s-app: metrics-server
  name: metrics-server
  namespace: kube-system
spec: 
  selector: 
    matchLabels: 
      k8s-app: metrics-server
  template: 
    metadata: 
      labels: 
        k8s-app: metrics-server
      name: metrics-server
    spec: 
      containers: 
        - 
          command: 
            - /metrics-server
            - "--kubelet-insecure-tls"
            - "--kubelet-preferred-address-types=InternalDNS,InternalIPExternalDNS,ExternalIP,Hostname"
          image: "k8s.gcr.io/metrics-server-amd64:v0.3.1"
          imagePullPolicy: Always
          name: metrics-server
          volumeMounts: 
            - 
              mountPath: /tmp
              name: tmp-dir
      serviceAccountName: metrics-server
      volumes: 
        - 
          emptyDir: {}
          hostAliases: 
            - 
              hostnames: 
                - k8s-head
              ip: "192.168.205.10"
            - 
              hostnames: 
                - k8s-node-1
              ip: "192.168.205.11"
            - 
              hostnames: 
                - k8s-node-2
              ip: "192.168.205.12"
          name: tmp-dir

您的YAML文件结构似乎错误,主机别名应该位于这样的结构中

apiVersion: v1
kind: Pod
metadata:
  name: hostaliases-pod
spec:
  restartPolicy: Never
  hostAliases:
  - ip: "127.0.0.1"
    hostnames:
    - "foo.local"
    - "bar.local"
  - ip: "10.1.2.3"
    hostnames:
    - "foo.remote"
    - "bar.remote"
请注意,在hostAlias条目之后,您应该将
-ip:“127.0.0.1”
在您将要解析的主机名放入此ip之后

你的YAML是

hostAliases: 
  - hostnames: 
    - k8s-head 
  ip: "192.168.205.10" 
    - hostnames: 
      - k8s-node-1 
  ip: "192.168.205.11" 
    - hostnames: 
      - k8s-node-2 
  ip: "192.168.205.12" 

在这里,您可以找到有关

的更多信息,我编辑了yaml,但仍然收到错误消息“io.k8s.api.core.v1.Container.command的类型无效:获取“字符串”,应为“数组”。你知道如何解决这个问题吗?你的YAML文件没有正确缩进,一个额外的空间就足以出错。注意本例中的缩进,在容器输入之后,将命令放在破折号(-)信号之后,没有新行(例如-command:)