Interactive Tutorial - Deploying an App

1 개요

Interactive Tutorial - Deploying an App

• https://kubernetes.io/docs/tutorials/kubernetes-basics/deploy-app/deploy-interactive/

2 kubectl basics

Console

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$ kubectl version
Client Version: version.Info{Major:"1", Minor:"13", GitVersion:"v1.13.3", GitCommit:"721bfa751924da8d1680787490c54b9179b1fed0", GitTreeState:"clean", BuildDate:"2019-02-01T20:08:12Z", GoVersion:"go1.11.5", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"13", GitVersion:"v1.13.3", GitCommit:"721bfa751924da8d1680787490c54b9179b1fed0", GitTreeState:"clean", BuildDate:"2019-02-01T20:00:57Z", GoVersion:"go1.11.5", Compiler:"gc", Platform:"linux/amd64"}

Console

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$ kubectl get nodes
NAME       STATUS   ROLES    AGE     VERSION
minikube   Ready    master   3m15s   v1.13.3

3 Deploy our app

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$ kubectl run kubernetes-bootcamp --image=gcr.io/google-samples/kubernetes-bootcamp:v1 --port=8080
kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
deployment.apps/kubernetes-bootcamp created

Console

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$ kubectl get deployments
NAME                  READY   UP-TO-DATE   AVAILABLE   AGE
kubernetes-bootcamp   1/1     1            1           2m5s

4 View our app

Terminal2

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$ kubectl proxy
Starting to serve on 127.0.0.1:8001

Terminal

Console

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$ curl http://localhost:8001/version
{
  "major": "1",
  "minor": "13",
  "gitVersion": "v1.13.3",
  "gitCommit": "721bfa751924da8d1680787490c54b9179b1fed0",
  "gitTreeState": "clean",
  "buildDate": "2019-02-01T20:00:57Z",
  "goVersion": "go1.11.5",
  "compiler": "gc",
  "platform": "linux/amd64"
}

Console

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$ curl http://localhost:8001/version
{
  "major": "1",
  "minor": "13",
  "gitVersion": "v1.13.3",
  "gitCommit": "721bfa751924da8d1680787490c54b9179b1fed0",
  "gitTreeState": "clean",
  "buildDate": "2019-02-01T20:00:57Z",
  "goVersion": "go1.11.5",
  "compiler": "gc",
  "platform": "linux/amd64"
}

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$ export POD_NAME=$(kubectl get pods -o go-template --template '{{range .items}}{{.metadata.name}}{{"\n"}}{{end}}')
$ echo Name of the Pod: $POD_NAME
Name of the Pod: kubernetes-bootcamp-6bf84cb898-blx46

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$ curl http://localhost:8001/api/v1/namespaces/default/pods/$POD_NAME/proxy/
Hello Kubernetes bootcamp! | Running on: kubernetes-bootcamp-6bf84cb898-blx46 | v=1