kubernetes云平台管理实战：如何创建deployment更好（九）

[root@k8s-master ~]# cat nginx_deploy.yml apiVersion: extensions/v1beta1kind: Deploymentmetadata: ?name: nginx-deploymentspec: ?replicas: 3 ?template: ???metadata: ?????labels: ???????app: nginx ????spec: ?????containers: ?????- name: nginx ???????image: 10.0.128.0:5000/nginx:1.13 ???????ports: ???????- containerPort: 80

[root@k8s-master ~]# kubectl create -f nginx_deploy.yml --record deployment "nginx-deployment" created[root@k8s-master ~]# kubectl get all -o wideNAME ?????????????????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEdeploy/nginx-deployment ??3 ????????3 ????????3 ???????????3 ??????????7sNAME ????????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORsvc/kubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>svc/nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=mywebNAME ????????????????????????????DESIRED ??CURRENT ??READY ????AGE ??????CONTAINER(S) ??IMAGE(S) ????????????????????SELECTORrs/nginx-deployment-2950479891 ??3 ????????3 ????????3 ????????7s ???????nginx ?????????10.0.128.0:5000/nginx:1.13 ??app=nginx,pod-template-hash=2950479891NAME ??????????????????????????????????READY ????STATUS ???RESTARTS ??AGE ??????IP ???????????NODEpo/nginx-deployment-2950479891-3dwct ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.2 ??k8s-node1po/nginx-deployment-2950479891-6wvsw ??1/1 ??????Running ??0 ?????????7s ???????172.16.19.2 ??k8s-node2po/nginx-deployment-2950479891-95133 ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.3 ??k8s-node1

[root@k8s-master ~]# vim nginx_deploy.yml 版本手动修改为1.15[root@k8s-master ~]# kubectl apply -f nginx_deploy.yml deployment "nginx-deployment" configured[root@k8s-master ~]# kubectl get all -o wideNAME ?????????????????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEdeploy/nginx-deployment ??3 ????????3 ????????3 ???????????3 ??????????1mNAME ????????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORsvc/kubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>svc/nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=mywebNAME ????????????????????????????DESIRED ??CURRENT ??READY ????AGE ??????CONTAINER(S) ??IMAGE(S) ????????????????????SELECTORrs/nginx-deployment-2950479891 ??0 ????????0 ????????0 ????????1m ???????nginx ?????????10.0.128.0:5000/nginx:1.13 ??app=nginx,pod-template-hash=2950479891rs/nginx-deployment-3113009173 ??3 ????????3 ????????3 ????????7s ???????nginx ?????????10.0.128.0:5000/nginx:1.15 ??app=nginx,pod-template-hash=3113009173NAME ??????????????????????????????????READY ????STATUS ???RESTARTS ??AGE ??????IP ???????????NODEpo/nginx-deployment-3113009173-4xrq4 ??1/1 ??????Running ??0 ?????????7s ???????172.16.19.3 ??k8s-node2po/nginx-deployment-3113009173-5crv5 ??1/1 ??????Running ??0 ?????????5s ???????172.16.19.2 ??k8s-node2po/nginx-deployment-3113009173-vckhg ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.2 ??k8s-node1

[root@k8s-master ~]# kubectl rollout history deployment nginx-deployment deployments "nginx-deployment"REVISIONCHANGE-CAUSE1kubectl create -f nginx_deploy.yml --record2kubectl apply -f nginx_deploy.yml

[root@k8s-master ~]# kubectl delete deployment nginxdeployment "nginx" deleted[root@k8s-master ~]# kubectl get all -o wideNAME ????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORkubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=myweb
[root@k8s-master ~]# kubectl run nginx --image=10.0.128.0:5000/nginx:1.13 --replicas=5deployment "nginx" created
[root@k8s-master ~]# kubectl get all -o wideNAME ??????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEdeploy/nginx ??5 ????????5 ????????5 ???????????5 ??????????7sNAME ????????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORsvc/kubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>svc/nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=mywebNAME ????????????????DESIRED ??CURRENT ??READY ????AGE ??????CONTAINER(S) ??IMAGE(S) ????????????????????SELECTORrs/nginx-835034785 ??5 ????????5 ????????5 ????????7s ???????nginx ?????????10.0.128.0:5000/nginx:1.13 ??pod-template-hash=835034785,run=nginxNAME ??????????????????????READY ????STATUS ???RESTARTS ??AGE ??????IP ???????????NODEpo/nginx-835034785-8f4m0 ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.2 ??k8s-node1po/nginx-835034785-8j9w2 ??1/1 ??????Running ??0 ?????????7s ???????172.16.19.3 ??k8s-node2po/nginx-835034785-c7nx3 ??1/1 ??????Running ??0 ?????????7s ???????172.16.19.4 ??k8s-node2po/nginx-835034785-p2vn0 ??1/1 ??????Running ??0 ?????????7s ???????172.16.19.2 ??k8s-node2po/nginx-835034785-z42qh ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.3 ??k8s-node1

[root@k8s-master ~]# ?kubectl set image deploy nginx nginx=10.0.128.0:5000/nginx:1.15deployment "nginx" image updated[root@k8s-master ~]# kubectl get all -o wideNAME ??????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEdeploy/nginx ??5 ????????5 ????????5 ???????????5 ??????????34sNAME ????????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORsvc/kubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>svc/nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=mywebNAME ????????????????DESIRED ??CURRENT ??READY ????AGE ??????CONTAINER(S) ??IMAGE(S) ????????????????????SELECTORrs/nginx-835034785 ??0 ????????0 ????????0 ????????34s ??????nginx ?????????10.0.128.0:5000/nginx:1.13 ??pod-template-hash=835034785,run=nginxrs/nginx-984850083 ??5 ????????5 ????????5 ????????10s ??????nginx ?????????10.0.128.0:5000/nginx:1.15 ??pod-template-hash=984850083,run=nginxNAME ??????????????????????READY ????STATUS ???RESTARTS ??AGE ??????IP ???????????NODEpo/nginx-984850083-4pd4w ??1/1 ??????Running ??0 ?????????10s ??????172.16.19.2 ??k8s-node2po/nginx-984850083-k979d ??1/1 ??????Running ??0 ?????????10s ??????172.16.50.4 ??k8s-node1po/nginx-984850083-nljkt ??1/1 ??????Running ??0 ?????????4s ???????172.16.19.4 ??k8s-node2po/nginx-984850083-r3hqh ??1/1 ??????Running ??0 ?????????6s ???????172.16.19.3 ??k8s-node2po/nginx-984850083-x6x47 ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.5 ??k8s-node1

[root@k8s-master ~]# kubectl rollout history deployment nginxdeployments "nginx"REVISIONCHANGE-CAUSE1<none>2<none>

[root@k8s-master ~]# kubectl run nginx --image=10.0.128.0:5000/nginx:1.13 --replicas=5 --recorddeployment "nginx" created[root@k8s-master ~]# kubectl get all -o wideNAME ??????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEdeploy/nginx ??5 ????????5 ????????5 ???????????0 ??????????3s NAME ????????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORsvc/kubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>svc/nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=myweb NAME ????????????????DESIRED ??CURRENT ??READY ????AGE ??????CONTAINER(S) ??IMAGE(S) ????????????????????SELECTORrs/nginx-835034785 ??5 ????????5 ????????0 ????????3s ???????nginx ?????????10.0.128.0:5000/nginx:1.13 ??pod-template-hash=835034785,run=nginx NAME ??????????????????????READY ????STATUS ?????????????RESTARTS ??AGE ??????IP ???????NODEpo/nginx-835034785-b9mnp ??0/1 ??????ContainerCreating ??0 ?????????3s ???????<none> ???k8s-node2po/nginx-835034785-gp2m5 ??0/1 ??????ContainerCreating ??0 ?????????3s ???????<none> ???k8s-node1po/nginx-835034785-hhz0b ??0/1 ??????ContainerCreating ??0 ?????????3s ???????<none> ???k8s-node1po/nginx-835034785-mvv4p ??0/1 ??????ContainerCreating ??0 ?????????3s ???????<none> ???k8s-node2po/nginx-835034785-x6mjp ??0/1 ??????ContainerCreating ??0 ?????????3s ???????<none> ???k8s-node1

[root@k8s-master ~]# ?kubectl set image deploy nginx nginx=10.0.128.0:5000/nginx:1.15deployment "nginx" image updated[root@k8s-master ~]# kubectl get all -o wideNAME ??????????DESIRED ??CURRENT ??UP-TO-DATE ??AVAILABLE ??AGEdeploy/nginx ??5 ????????5 ????????5 ???????????5 ??????????32s NAME ????????????CLUSTER-IP ?????EXTERNAL-IP ??PORT(S) ???????AGE ??????SELECTORsvc/kubernetes ??10.254.0.1 ?????<none> ???????443/TCP ???????1d ???????<none>svc/nginx ???????10.254.145.15 ??<nodes> ??????80:30027/TCP ??22h ??????app=myweb NAME ????????????????DESIRED ??CURRENT ??READY ????AGE ??????CONTAINER(S) ??IMAGE(S) ????????????????????SELECTORrs/nginx-835034785 ??0 ????????0 ????????0 ????????32s ??????nginx ?????????10.0.128.0:5000/nginx:1.13 ??pod-template-hash=835034785,run=nginxrs/nginx-984850083 ??5 ????????5 ????????5 ????????14s ??????nginx ?????????10.0.128.0:5000/nginx:1.15 ??pod-template-hash=984850083,run=nginx NAME ??????????????????????READY ????STATUS ???RESTARTS ??AGE ??????IP ???????????NODEpo/nginx-984850083-4xt4s ??1/1 ??????Running ??0 ?????????5s ???????172.16.50.4 ??k8s-node1po/nginx-984850083-gk5fq ??1/1 ??????Running ??0 ?????????7s ???????172.16.50.2 ??k8s-node1po/nginx-984850083-mhp7h ??1/1 ??????Running ??0 ?????????13s ??????172.16.50.3 ??k8s-node1po/nginx-984850083-vs93g ??1/1 ??????Running ??0 ?????????14s ??????172.16.19.4 ??k8s-node2po/nginx-984850083-z5px0 ??1/1 ??????Running ??0 ?????????11s ??????172.16.19.5 ??k8s-node2

[root@k8s-master ~]# kubectl rollout history deployment nginxdeployments "nginx"REVISION ???CHANGE-CAUSE1 ??????kubectl run nginx --image=10.0.128.0:5000/nginx:1.13 --replicas=5 --record2 ??????kubectl set image deploy nginx nginx=10.0.128.0:5000/nginx:1.15

kubectl create -f nginx_deploy.yml

kubectl run nginx --image=10.0.128.0:5000/nginx:1.13 --replicas=5 --record

kubectl run nginx --image=10.0.128.0:5000/nginx:1.13 --replicas=5 --record