良い感じに最新版を入れて、k8sオプションを入れる
- Enable Kubernetes
- Deploy Docker Stacks to Kubernets by default (こいつはいるかわからんけど)
- Show system containers (advanced)
$ brew install kubernetes-cli
contextの切り替え
$ kubectl config get-contexts
CURRENT NAME CLUSTER AUTHINFO NAMESPACE
* docker-for-desktop docker-for-desktop-cluster docker-for-desktop
$ kubectl config use-context docker-for-desktop
Switched to context "docker-for-desktop".
nodeとpodの確認
$ kubectl get nodes
NAME STATUS ROLES AGE VERSION
docker-for-desktop Ready master 7m v1.10.11
$ kubectl get po --all-namespaces
NAMESPACE NAME READY STATUS RESTARTS AGE
docker compose-74649b4db6-ml79n 1/1 Running 0 22m
docker compose-api-6b5fc97f86-gqkb7 1/1 Running 0 22m
kube-system etcd-docker-for-desktop 1/1 Running 0 22m
kube-system kube-apiserver-docker-for-desktop 1/1 Running 0 22m
kube-system kube-controller-manager-docker-for-desktop 1/1 Running 0 22m
kube-system kube-dns-86f4d74b45-8b5q4 3/3 Running 0 23m
kube-system kube-proxy-dgd6t 1/1 Running 0 23m
kube-system kube-scheduler-docker-for-desktop 1/1 Running 0 22m
ダッシュボードをデプロイしてみる
$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v1.10.1/src/deploy/recommended/kubernetes-dashboard.yaml --record
secret "kubernetes-dashboard-certs" configured
serviceaccount "kubernetes-dashboard" configured
role.rbac.authorization.k8s.io "kubernetes-dashboard-minimal" configured
rolebinding.rbac.authorization.k8s.io "kubernetes-dashboard-minimal" configured
deployment.apps "kubernetes-dashboard" configured
service "kubernetes-dashboard" configured
デプロイされているか確認
kubectl get deploy,po,svc -n kube-system
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
deployment.extensions/kube-dns 1 1 1 1 33m
deployment.extensions/kubernetes-dashboard 1 1 1 1 3m
NAME READY STATUS RESTARTS AGE
pod/etcd-docker-for-desktop 1/1 Running 0 32m
pod/kube-apiserver-docker-for-desktop 1/1 Running 0 32m
pod/kube-controller-manager-docker-for-desktop 1/1 Running 0 32m
pod/kube-dns-86f4d74b45-8b5q4 3/3 Running 0 33m
pod/kube-proxy-dgd6t 1/1 Running 0 33m
pod/kube-scheduler-docker-for-desktop 1/1 Running 0 32m
pod/kubernetes-dashboard-669f9bbd46-lxss9 1/1 Running 0 3m
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP 33m
service/kubernetes-dashboard ClusterIP 10.103.152.37 <none> 443/TCP 3m
ダッシュボードへアクセス
$ kubectl proxy
Starting to serve on 127.0.0.1:8001
http://localhost:8001/api/v1/namespaces/kube-system/services/https:kubernetes-dashboard:/proxy/
Tokenを使ってサインイン
最近は認証するのにTokenを求められるらしい。以下の方法でTokenを取得。コピペ。
$ kubectl -n kube-system get secret | grep deployment-controller-token
deployment-controller-token-wjxjs kubernetes.io/service-account-token 3 39m
$ kubectl -n kube-system describe secret deployment-controller-token-wjxjs
Name: deployment-controller-token-wjxjs
Namespace: kube-system
Labels: <none>
Annotations: kubernetes.io/service-account.name=deployment-controller
kubernetes.io/service-account.uid=410226ed-4c35-11e9-a2aa-025000000001
Type: kubernetes.io/service-account-token
Data
====
ca.crt: 1025 bytes
namespace: 11 bytes
token: 長いトークン