|
Kubernetes支持YAML和JSON格式创建资源对象JSON格式用于接口之间消息的传递YAML格式用于配置和管理YAML是一种简洁的非标记性语言语法格式缩进标识层级关系不支持制表符(tab)缩进,使用空格缩进通常开头缩进两个空格字符后缩进一个空格,如冒号,逗号等“—”表示YAML格式,一个文件的开始“#”表示注释查看应用名称kubectl api-versionsdemo演示mkdir demo#编辑nginx-deployment.yaml文件vim /demo/nginx-deployment.yamlapiVersion: apps/v1kind: Deploymentmetadata: name: my-nginx labels: ?app: nginxspec: replicas: 2 selector: ?matchLabels: ??app: nginx template: ?metadata: ??labels: ???app: nginx ?spec: ??containers: ??- name: nginx ???image: nginx:1.15.4 ???ports: ???- containerPort: 80#创建nginx-deployment.yaml文件kubectl create -f nginx-deployment.yaml#查看pod节点kubectl get pods#编辑nginx-service.yaml文件vim nginx-service.yamlapiVersion: v1kind: Servicemetadata: name: my-nginx-service labels: ?app: nginxspec: type: NodePort ports: - port: 80 ?targetPort: 80 selector: ?app: nginx#创建nginx-service.yaml文件kubectl create -f nginx-service.yaml#查看服务kubectl get svc-自动测试命令的正确性,并不执行创建
kubectl run nginx-deployment --image=nginx --port=80 --replicas=2 --dry-run查看生成yaml格式kubectl run nginx-deployment --image=nginx --port=80 --replicas=2 --dry-run -o yaml-查看生成json格式
kubectl run nginx-deployment --image=nginx --port=80 --replicas=3 --dry-run -o json将现有的资源生成模板导出kubectl get deploy/nginx --export -o yaml保存到文件中kubectl get deploy/nginx --export -o yaml > my-deploy.yaml查看字段帮助信息kubectl explain pods.spec.containers谢谢阅读! |
|