创建Pod时报错如下:
执行创建nginx的pod命令报错如下:
kubectl apply -f nginx2.yml
error: error validating "nginx2.yml": error validating data: ValidationError(Deployment.spec): missing required field "selector" in io.k8s.api.apps.v1.DeploymentSpec; if you choose to ignore these errors, turn validation off with --validate=false
原nginx2.yml文件:
--- apiVersion: v1 kind: Pod metadata: name: naginx-deployment spec: replicas: 2 template: metadata: labels: app: nginx track: stable spec: selector: matchLabels: app: chen containers: - name: nginx images: nginx ports: - containerPort: 80
报错内容:表示当前未添加必选参数selector,在nginx.yml文件中添加selector参数即可:
apiVersion: apps/v1 #Api接口版本 kind: Deployment #定义控制器 metadata: name: nginx-deployment #deployment名称 spec: replicas: 3 #在具体参数信息spec下,只指定了副本数量,还需要指定副本标签与 Deployment控制器进行匹配 selector: matchLabels: app: nginx-deployment template: metadata: labels: app: nginx-deployment spec: containers: - name: nginx-deployment image: nginx:1.7.9 ports: - containerPort: 80 ~
再次执行kubectl apply -f nginx2.yml,可以发现命令执行成功,pod也成功创建了
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