编写DaemonSet控制器的yaml文件注意事项

正常yaml:

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: daemonset-example
  labels:
    app: daemonset
spec:
  selector:
    matchLabels:
      name: daemonset-example
  template:
    metadata:
      labels:
        name: daemonset-example
    spec:
      containers:
        - name: daemonset-example
          image: nginx:1.17
          imagePullPolicy: IfNotPresent

注意:第三行的metadata.name的名字一定要和第九行的matchLabels.name名字相同,否则报以下错误:

[root@k8s-master ~]# kubectl apply -f daemonset.yaml
The DaemonSet "daemonset-example" is invalid: spec.template.metadata.labels: Invalid value: map[string]string{"name":"daemonset-example"}: `selector` does not match template `labels`

原文出处:myit -> https://myit.icu/index.php/archives/892/

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