集成环境部署

  1. # API 版本号
  2. apiVersion: extensions/v1beta1
  3. # 类型，如：Pod/ReplicationController/Deployment/Service/Ingress
  4. kind: Deployment
  5. # 元数据
  6. metadata:
  7.   # Kind 的名称
  8.   name: nginx-app
  9. spec:
  10.   # 部署的实例数量
  11.   replicas: 2
  12.   template:
  13.     metadata:
  14.       labels:
  15.         # 容器标签的名字，发布 Service 时，selector 需要和这里对应
  16.         name: nginx
  17.     spec:
  18.       # 配置容器，数组类型，说明可以配置多个容器
  19.       containers:
  20.       # 容器名称
  21.       - name: nginx
  22.         # 容器镜像
  23.         image: nginx:1.17
  24.         # 只有镜像不存在时，才会进行镜像拉取
  25.         imagePullPolicy: IfNotPresent
  26.         # 暴露端口
  27.         ports:
  28.         # Pod 端口
  29.         - containerPort: 80
  30. ---
  31. # API 版本号
  32. apiVersion: v1
  33. # 类型，如：Pod/ReplicationController/Deployment/Service/Ingress
  34. kind: Service
  35. # 元数据
  36. metadata:
  37.   # Kind 的名称
  38.   name: nginx-http
  39. spec:
  40.   # 暴露端口
  41.   ports:
  42.     ## Service 暴露的端口
  43.     - port: 80
  44.       ## Pod 上的端口，这里是将 Service 暴露的端口转发到 Pod 端口上
  45.       targetPort: 80
  46.   # 类型
  47.   type: LoadBalancer
  48.   # 标签选择器
  49.   selector:
  50.     # 需要和上面部署的 Deployment 标签名对应
  51.     name: nginx
# 部署
kubectl create -f nginx.yml
# 删除
kubectl delete -f nginx.yml

验证是否生效

查看 Pod 列表

kubectl get pods

NAME                         READY   STATUS    RESTARTS   AGE
nginx-app-7cbc957b87-p24px   1/1     Running   0          3s
nginx-app-7cbc957b87-tmjr4   1/1     Running   0          3s

查看 Deployment 列表

kubectl get deployment

NAME        READY   UP-TO-DATE   AVAILABLE   AGE
nginx-app   2/2     2            2           14s

查看 Service 列表

kubectl get service

NAME         TYPE           CLUSTER-IP       EXTERNAL-IP   PORT(S)        AGE
kubernetes   ClusterIP      10.96.0.1        <none>        443/TCP        3h47m
nginx-http   LoadBalancer   10.104.118.232   <pending>     80:32264/TCP   23s

查看 Service 详情

kubectl describe service nginx-http

Name:                     nginx-http
Namespace:                default
Labels:                   <none>
Annotations:              <none>
Selector:                 name=nginx
Type:                     LoadBalancer
IP:                       10.104.118.232
Port:                     <unset>  80/TCP
TargetPort:               80/TCP
NodePort:                 <unset>  32264/TCP
Endpoints:                10.244.140.95:80,10.244.141.226:80
Session Affinity:         None
External Traffic Policy:  Cluster
Events:                   <none>