service的资源清单文件 在使用service之前,首先利用Deployment创建出3个pod,注意要为pod设置app=nginx-pod的标签。 创建deployment.yamlService类型
service使用
实验环境准备
apiVersion: apps/v1
kind: Deployment
metadata:
name: pc-deployment
namespace: dev
spec:
replicas: 3
selector:
matchLabels:
app: nginx-pod
template:
metadata:
labels:
app: nginx-pod
spec:
containers:
- name: nginx
image: nginx:1.17.1
ports:
- containerPort: 80
#创建
kubectl create -f deployment.yaml
#查看pod详情
kubectl get pods -n dev
[root@master k8s]# kubectl get pods -n dev
NAME READY STATUS RESTARTS AGE
pc-deployment-6696798b78-4km7f 1/1 Running 0 94s
pc-deployment-6696798b78-dw9q8 1/1 Running 0 94s
pc-deployment-6696798b78-rfkng 1/1 Running 0 94s
[root@master k8s]# kubectl get pods -n dev -o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
pc-deployment-6696798b78-4km7f 1/1 Running 0 3m35s 10.244.2.80 node2 <none> <none>
pc-deployment-6696798b78-dw9q8 1/1 Running 0 3m35s 10.244.2.78 node2 <none> <none>
pc-deployment-6696798b78-rfkng 1/1 Running 0 3m35s 10.244.2.79 node2 <none>
#为了方便后面的测试,修改下三台nginx的index.html页面
#kubectl exec -it pc-deployment-6696798b78-4km7f -n dev /bin/sh
#echo "10.244.2.80" > /usr/share/nginx/html/index.html
#修改完成后,访问测试一下
[root@master k8s]# curl 10.244.2.80
10.244.2.80
[root@master k8s]# curl 10.244.2.78
10.244.2.78
[root@master k8s]# curl 10.244.2.79
10.244.2.79