4 月 222020
获取pod列表并查看pod运行的节点
[root@k8s01 ~]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES nginx-deployment-cc5db57d4-5q9lz 1/1 Running 0 22h 10.244.2.17 k8s03 <none> <none> nginx-deployment-cc5db57d4-dncbs 1/1 Running 0 22h 10.244.1.10 k8s02 <none> <none> nginx-deployment-cc5db57d4-gsp6l 1/1 Running 0 22h 10.244.2.16 k8s03 <none> <none> [root@k8s01 ~]#
修改副本数量为5并再次应用deployment配置(扩容)
[root@k8s01 ~]# vi nginx-deployment.yaml replicas: 5 [root@k8s01 ~]# kubectl apply -f nginx-deployment.yaml deployment.apps/nginx-deployment configured [root@k8s01 ~]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES nginx-deployment-cc5db57d4-5q9lz 1/1 Running 0 23h 10.244.2.17 k8s03 <none> <none> nginx-deployment-cc5db57d4-clrlh 1/1 Running 0 9s 10.244.2.18 k8s03 <none> <none> nginx-deployment-cc5db57d4-dncbs 1/1 Running 0 23h 10.244.1.10 k8s02 <none> <none> nginx-deployment-cc5db57d4-gsp6l 1/1 Running 0 23h 10.244.2.16 k8s03 <none> <none> nginx-deployment-cc5db57d4-ndkr7 1/1 Running 0 9s 10.244.1.11 k8s02 <none> <none> [root@k8s01 ~]#
修改副本数量为2并再次应用deployment配置(缩容)
[root@k8s01 ~]# vi nginx-deployment.yaml replicas: 2 [root@k8s01 ~]# kubectl apply -f nginx-deployment.yaml deployment.apps/nginx-deployment configured [root@k8s01 ~]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES nginx-deployment-cc5db57d4-clrlh 0/1 Terminating 0 4m50s 10.244.2.18 k8s03 <none> <none> nginx-deployment-cc5db57d4-dncbs 1/1 Running 0 23h 10.244.1.10 k8s02 <none> <none> nginx-deployment-cc5db57d4-gsp6l 0/1 Terminating 0 23h 10.244.2.16 k8s03 <none> <none> nginx-deployment-cc5db57d4-ndkr7 1/1 Running 0 4m50s 10.244.1.11 k8s02 <none> <none> [root@k8s01 ~]# [root@k8s01 ~]# kubectl get pods -o wide NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES nginx-deployment-cc5db57d4-dncbs 1/1 Running 0 23h 10.244.1.10 k8s02 <none> <none> nginx-deployment-cc5db57d4-ndkr7 1/1 Running 0 22m 10.244.1.11 k8s02 <none> <none> [root@k8s01 ~]#