Docker Kubernetes YAML文件创建容器
通过创建Deployment来管理pods从而创建容器。它会同时创建容器、pod、以及Deployment !
环境:
- 系统:Centos 7.4 x64
- Docker版本:18.09.0
- Kubernetes版本:v1.8
- 管理节点:192.168.1.79
- 工作节点:192.168.1.78
- 工作节点:192.168.1.77
创建yaml文件
vim nginx-deployment.yaml
apiVersion: apps/v1beta2kind: Deploymentmetadata: ?name: nginx-deploymentspec: ?replicas: 3 ?selector: ???matchLabels: ?????app: nginx ?template: ???metadata: ?????labels: ???????app: nginx ???spec: ?????containers: ?????- name: nginx ???????image: nginx:1.9 ???????ports: ???????- containerPort: 80
# 指定api版本apiVersion: apps/v1beta2# 指定需要创建的资源对象kind: Deployment# 源数据、可以写name,命名空间,对象标签metadata:# 指定创建对象名称 ?name: nginx-deployment# spec 描述pod相关信息spec:# pod 副本数,默认1 ?replicas: 3# pod 标签选择器 ?selector:# pod 匹配标签字段 ???matchLabels:# pod 匹配app值为nginx ?????app: nginx# 容器 描述pod具体信息 ?template:# 容器 指定标签 ???metadata:# 容器 匹配标签字段 ?????labels:# 容器 匹配值aap值为nginx ???????app: nginx# 容器信描述信息 ???spec:# 指定容器信息 ?????containers:# 指定容器名称 ?????- name: nginx# 指定镜像名称 ???????image: nginx:1.10# 暴露容器端口 ???????ports:# 指定暴露容器端口 ???????- containerPort: 80
创建deployment资源
kubectl create -f nginx-deployment.yaml
命令:kubectl get deploymentNAME ??????????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEnginx-deployment ??3 ????????3 ????????3 ???????????3 ??????????1m
命令:kubectl get replicaset NAME ?????????????????????????DESIRED ??CURRENT ??READY ????AGEnginx-deployment-845cfc7fb9 ??3 ????????3 ????????3 ????????4m
命令:kubectl get podsNAME ???????????????????????????????READY ????STATUS ???RESTARTS ??AGEnginx-deployment-845cfc7fb9-j2xcv ??1/1 ??????Running ??0 ?????????5mnginx-deployment-845cfc7fb9-jfq5b ??1/1 ??????Running ??0 ?????????5mnginx-deployment-845cfc7fb9-sbrsp ??1/1 ??????Running ??0 ?????????5m
Docker Kubernetes 创建管理 Deployment
原文地址:https://www.cnblogs.com/xiangsikai/p/10011207.html