准备编排脚本

		
[root@localhost ~]# cat nginx.yaml 
apiVersion: v1
kind: Service
metadata:
  name: nginx
  labels:
    app: nginx
spec:
  ports:
  - port: 88
    targetPort: 80
  selector:
    app: nginx
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  labels:
    app: nginx
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx:latest
        ports:
        - containerPort: 80		
		
		

部署

		
[root@localhost ~]# rancher kubectl create -f nginx.yaml 
service/nginx created
deployment.apps/nginx created
		
		

查看状态

		
[root@localhost ~]# rancher kubectl get deployment -n default
NAME    READY   UP-TO-DATE   AVAILABLE   AGE
nginx   3/3     3            3           113s

[root@localhost ~]# rancher kubectl get service -n default
NAME         TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)        AGE
kubernetes   ClusterIP   10.43.0.1       <none>        443/TCP        156m
nginx        NodePort    10.43.111.205   <none>        88:32646/TCP   119s		
		
[root@localhost ~]# rancher kubectl get pods -n default
NAME                    READY   STATUS              RESTARTS   AGE
nginx-585449566-kd2mk   0/1     ContainerCreating   0          14s
nginx-585449566-mdl8n   0/1     ContainerCreating   0          14s
nginx-585449566-v8s5k   0/1     ContainerCreating   0          14s		
		
		

		
[root@localhost ~]# rancher kubectl describe services nginx
Name:                     nginx
Namespace:                default
Labels:                   app=nginx
Annotations:              field.cattle.io/publicEndpoints: [{"port":32646,"protocol":"TCP","serviceName":"default:nginx","allNodes":true}]
Selector:                 app=nginx
Type:                     NodePort
IP Family Policy:         SingleStack
IP Families:              IPv4
IP:                       10.43.111.205
IPs:                      10.43.111.205
Port:                     <unset>  88/TCP
TargetPort:               80/TCP
NodePort:                 <unset>  32646/TCP
Endpoints:                10.42.0.40:80,10.42.0.41:80,10.42.0.42:80
Session Affinity:         None
External Traffic Policy:  Cluster
Events:                   <none>		
		
		

https://github.com/rancher/local-path-provisioner

local-path 即 pod 销毁之后，数据仍然存储在磁盘上，实验过程：

		
kubectl create -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pvc/pvc.yaml
kubectl create -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pod/pod.yaml		
		
		

		
kubectl exec volume-test -- sh -c "echo local-path-test > /data/test"		
		
		

		
kubectl delete -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pod/pod.yaml
kubectl create -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pod/pod.yaml		
		
		

		
$ kubectl exec volume-test -- sh -c "cat /data/test"
local-path-test		
		
		

		
kubectl delete -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pod/pod.yaml
kubectl delete -f https://raw.githubusercontent.com/rancher/local-path-provisioner/master/examples/pvc/pvc.yaml