1 应用管理解读
2 应用部署实践
资源对象管理关系
资源对象管理实践
手工方式：
kubectl run pod名称 --image=image地址
资源清单方式:
apiVersion: v1
kind: Pod
metadata:
labels:
run: my-pod
name: my-pod
spec:
containers:
- image: kubernetes-register.sswang.com/sswang/nginx
name: my-pod
deployment资源实践
nginx-proxy应用的配置清单文件
apiVersion: apps/v1
kind: Deployment
metadata:
name: sswang-nginx-proxy
labels:
app: nginx
spec:
replicas: 1
selector:
matchLabels:
app: nginx
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: kubernetes-register.sswang.com/sswang/nginx
ports:
- containerPort: 80
nginx-web 的资源清单文件
apiVersion: apps/v1
kind: Deployment
metadata:
name: sswang-nginx-web
labels:
app: nginx-web
spec:
replicas: 1
selector:
matchLabels:
app: nginx-web
template:
metadata:
labels:
app: nginx-web
spec:
containers:
- name: nginx
image: kubernetes-register.sswang.com/sswang/nginx_web:v0.1
ports:
- containerPort: 80
tomcat-web 的资源清单文件
apiVersion: apps/v1
kind: Deployment
metadata:
name: sswang-tomcat-web
labels:
app: tomcat-web
spec:
replicas: 1
selector:
matchLabels:
app: tomcat-web
template:
metadata:
labels:
app: tomcat-web
spec:
containers:
- name: tomcat
image: kubernetes-register.sswang.com/sswang/tomcat_web:v0.1
ports:
- containerPort: 8080
3 应用管理实践
资源对象隔离
namespace资源对象实践
apiVersion: v1
kind: Namespace
metadata:
name: my-ns
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: sswang-tomcat-web
namespace: my-ns
labels:
app: tomcat-web
spec:
replicas: 1
selector:
matchLabels:
app: tomcat-web
template:
metadata:
labels:
app: tomcat-web
spec:
containers:
- name: tomcat
image: kubernetes-register.sswang.com/sswang/tomcat_web:v0.1
ports:
- containerPort: 8080
资源对象的扩缩容
资源对象扩缩容
kubectl scale deployment 资源对象名称 --replicas=目标数量 deployment/mysql
修改应用镜像版本
kubectl set image deployment 资源对象名称 容器名称=镜像名称
