Svc_01 of kubernetes
[root@vms101 ~] # kubectl get pods
No resources found.
[root@vms101 ~] #
[root@vms10 job] # kubectl run nginx-image=nginx-port=80
[root@vms10 job] # kubectl get pods
NAME READY STATUS RESTARTS AGE
Nginx-57867cc648-km4tx 1/1 Running 0 117s
[root@vms10 job] #
[root@vms10 job] # kubectl get pods-o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
Nginx-57867cc648-km4tx 1/1 Running 0 4m59s 10.244.2.227 vms20.rhce.cc
[root@vms10 job] #
Access Test:
[root@vms101] # curl-s 10.244.2.227
[root@vms101 ~] # kubectl delete pod nginx-57867cc648-km4tx
[root@vms101] # kubectl get pods-o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
Nginx-57867cc648-vc4fj 1/1 Running 0 3m36s 10.244.3.183 vms102.baiyang.com
[root@vms101] # curl-s 10.244.3.183
Now expand the number of copies to 2.
[root@vms10 job] # kubectl edit deployments. Nginx
Spec:
ProgressDeadlineSeconds: 600
Replicas: 2
[root@vms101] # kubectl get pods-o wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
Nginx-57867cc648-47wpf 1bat 1 Running 0 22s 10.244.4.152 vms103.baiyang.com
Nginx-57867cc648-vc4fj 1/1 Running 0 22m 10.244.3.183 vms102.baiyang.com
[root@vms101 ~] #
= =
Modify the homepages of the two nginx respectively and test them.
[root@vms10 job] # kubectl exec nginx-57867cc648-47wpf-it bash
Root@nginx-57867cc648-wjbzz:/# cd / usr/share/nginx/html/
Root@nginx-57867cc648-wjbzz:/usr/share/nginx/html# ls
50x.html index.html
Root@nginx-57867cc648-wjbzz:/usr/share/nginx/html# echo 111111111111 > index.html
Root@nginx-57867cc648-wjbzz:/usr/share/nginx/html# exit
Exit
[root@vms10 job] # kubectl exec nginx-57867cc648-vc4fj-it bash
Root@nginx-57867cc648-zb8b5:/# cd / usr/share/nginx/html/
Root@nginx-57867cc648-zb8b5:/usr/share/nginx/html# echo 222222222222 > index.html
Root@nginx-57867cc648-zb8b5:/usr/share/nginx/html# exit
Exit
[root@vms10 job] #
[root@vms10 job] # curl-s 10.244.4.152
111111111111
[root@vms10 job] # curl-s 10.244.3.183
222222222222
[root@vms10 job] #
