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Kubernetes Installation on Google Container Engine

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GunSik Choi edited this page Feb 29, 2016 · 1 revision

Installing in AWS

$ gcloud container clusters create hello-world --num-nodes 1 --machine-type g1-small
$ gcloud compute instances list
NAME                               ZONE         MACHINE_TYPE PREEMPTIBLE INTERNAL_IP EXTERNAL_IP     STATUS
gke-hello-world-90332445-node-t1gw asia-east1-a g1-small                 10.140.0.2  107.167.177.222 RUNNING

$ gcloud container clusters resize hello-world --size 2
$ gcloud compute instances list
NAME                               ZONE         MACHINE_TYPE PREEMPTIBLE INTERNAL_IP EXTERNAL_IP     STATUS
gke-hello-world-90332445-node-kc06 asia-east1-a g1-small                 10.140.0.3  104.155.214.94  RUNNING
gke-hello-world-90332445-node-t1gw asia-east1-a g1-small                 10.140.0.2  107.167.177.222 RUNNING

$ kubectl get nodes
NAME                                 LABELS                                                      STATUS    AGE
gke-hello-world-90332445-node-kc06   kubernetes.io/hostname=gke-hello-world-90332445-node-kc06   Ready     15m
gke-hello-world-90332445-node-t1gw   kubernetes.io/hostname=gke-hello-world-90332445-node-t1gw   Ready     42m

$ kubectl run hello-node --image=gcr.io/${PROJECT_ID}/hello-node:v1 --port=8080
$ kubectl get pods
NAME               READY     STATUS    RESTARTS   AGE
hello-node-vxhm2   1/1       Running   0          20m

$ kubectl scale rc hello-node --replicas=3
$ kubectl get pods
NAME               READY     STATUS    RESTARTS   AGE
hello-node-4km5x   1/1       Running   0          19m
hello-node-vxhm2   1/1       Running   0          20m
hello-node-y46bo   1/1       Running   0          15m

$ kubectl expose rc hello-node --type="LoadBalancer"
$ kubectl get services
NAME         CLUSTER_IP    EXTERNAL_IP      PORT(S)    SELECTOR         AGE
hello-node   10.3.249.45   104.155.206.98   8080/TCP   run=hello-node   20m
kubernetes   10.3.240.1    <none>           443/TCP    <none>           43m

$ kubectl get replicationcontrollers
CONTROLLER   CONTAINER(S)   IMAGE(S)                       SELECTOR         REPLICAS   AGE
hello-node   hello-node     gcr.io/cgshome/hello-node:v1   run=hello-node   3          20m

// nginx container 실행

$ kubectl run my-nginx --image=nginx --replicas=3 --port=80
$ kubectl get pods
NAME               READY     STATUS    RESTARTS   AGE
hello-node-4km5x   1/1       Running   0          20m
hello-node-vxhm2   1/1       Running   0          21m
hello-node-y46bo   1/1       Running   0          16m
my-nginx-mh0za     0/1       Pending   0          36s
my-nginx-n0a92     0/1       Pending   0          36s
my-nginx-wtkl1     0/1       Pending   0          36s

$ kubectl scale rc my-nginx --replicas=2
$ kubectl get pods
NAME               READY     STATUS    RESTARTS   AGE
hello-node-4km5x   1/1       Running   0          21m
hello-node-vxhm2   1/1       Running   0          22m
hello-node-y46bo   1/1       Running   0          17m
my-nginx-mh0za     1/1       Running   0          1m
my-nginx-wtkl1     1/1       Running   0          1m

$ kubectl expose rc my-nginx --type="LoadBalancer"

$ kubectl get services
NAME         CLUSTER_IP     EXTERNAL_IP      PORT(S)    SELECTOR         AGE
hello-node   10.3.249.45    104.155.206.98   8080/TCP   run=hello-node   24m
kubernetes   10.3.240.1     <none>           443/TCP    <none>           47m
my-nginx     10.3.242.135                    80/TCP     run=my-nginx     49s

$ kubectl get services
NAME         CLUSTER_IP     EXTERNAL_IP      PORT(S)    SELECTOR         AGE
hello-node   10.3.249.45    104.155.206.98   8080/TCP   run=hello-node   25m
kubernetes   10.3.240.1     <none>           443/TCP    <none>           48m
my-nginx     10.3.242.135   104.155.220.14   80/TCP     run=my-nginx     1m

$ kubectl delete services my-nginx
$ kubectl delete rc my-nginx

$ kubectl delete services hello-node
$ kubectl delete rc hello-node
$ gcloud container clusters delete hello-world

Reference

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