kubernetes集群已经部署好了，需要的话可以参考之前的文章 https://www.linuxidc.com/Linux/2019-07/159548.htm
[root@master tomcat]# kubectl get nodes NAME STATUS AGE node1 Ready 10d node2 Ready 10d 部署nginx
需要三个配置文件：
[root@master nginx]# vim nginx-pod.yaml apiVersion: v1 kind: Pod metadata: name: nginx-pod labels: name: nginx-pod spec: containers: - name: nginx image: nginx ports: - containerPort: 80
[root@master nginx]# vim nginx-rc.yaml apiVersion: v1 kind: ReplicationController metadata: name: nginx-rc spec: replicas: 2 selector: name: nginx-pod template: metadata: labels: name: nginx-pod spec: containers: - name: nginx-pod image: nginx ports: - containerPort: 80
[root@master nginx]# vim nginx-pod.yaml apiVersion: v1 kind: Pod metadata: name: nginx-pod labels: name: nginx-pod spec: containers: - name: nginx image: nginx ports: - containerPort: 80
[root@master nginx]#kubectl create -f nginx-pod.yaml [root@master nginx]#kubectl describe pod nginx [root@master nginx]#kubectl create -f nginx-rc.yaml [root@master nginx]#kubectl create -f nginx-service.yaml [root@master nginx]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE nginx-pod 1/1 Running 1 1d 10.255.95.2 node2 nginx-rc-351xd 1/1 Running 1 1d 10.255.1.3 node1 [root@master nginx]# kubectl get svc NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes 10.254.0.1 <none> 443/TCP 10d nginx-service 10.254.208.231 <nodes> 80:30011/TCP 1d [root@master nginx]# kubectl get rc NAME DESIRED CURRENT READY AGE nginx-rc 2 2 2 1d 访问nginx： http://192.168.91.26:30011
http://192.168.91.27:30011
部署tomcat
[root@master tomcat]# vim tomcat-deployment.yaml apiVersion: extensions/v1beta1 kind: Deployment metadata: name: my-tomcat spec: replicas: 2 template: metadata: labels: app: my-tomcat spec: containers: - name: my-tomcat image: docker.io/tomcat ports: - containerPort: 80
[root@master tomcat]# vim tomcat-service.yaml apiVersion: v1 kind: Service metadata: name: my-tomcat spec: type: NodePort ports: - port: 8080 targetPort: 8080 nodePort: 31111 selector: app: my-tomcat
[root@master tomcat]# kubectl create -f tomcat-deployment.yaml [root@master tomcat]# kubectl create -f tomcat-service.yaml
[root@master tomcat]# kubectl get deployment NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE my-tomcat 2 2 2 2 59m [root@master tomcat]# kubectl get svc NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE kubernetes 10.254.0.1 <none> 443/TCP 10d my-tomcat 10.254.110.240 <nodes> 8080:31111/TCP 59m nginx-service 10.254.208.231 <nodes> 80:30011/TCP 1d [root@master tomcat]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE my-tomcat-464109745-ctmdf 1/1 Running 0 1h 10.255.1.5 node1 my-tomcat-464109745-wmxpz 1/1 Running 0 1h 10.255.95.4 node2 nginx-pod 1/1 Running 1 1d 10.255.95.2 node2 nginx-rc-351xd 1/1 Running 1 1d 10.255.1.3 node1 访问tomcat http://192.168.91.26:31111
http://192.168.91.27:31111
