建立namespaces

kubectl create ns slanla

建立user

kubectl -n tw-sgis create sa slanla

RBAC 授權

建立規則

cat <<EOF > slanla-user-role.yml
kind: Role
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  namespace: tw-sgis
  name: slanla-user-pod
rules:
- apiGroups: ["*"]
  resources: ["pods", "pods/log"]
  verbs: ["get", "watch", "list", "update", "create", "delete"]
EOF
kubectl apply -f slanla-user-role.yml

授權對象

kubectl create rolebinding slanla-view-pod \
  --role=slanla-user-pod \
  --serviceaccount=tw-sgis:slanla \
  --namespace=tw-sgis

產生設定檔

取得 secret 資訊

SECRET=$(kubectl -n tw-sgis get sa slanla -o go-template='{{range .secrets}}{{.name}}{{end}}')

設定API Server

API_SERVER="https://xxx.xxx.xxx.xxx:6443"

取得 ca

CA_CERT=$(kubectl -n tw-sgis get secret ${SECRET} -o yaml | awk '/ca.crt:/{print $2}')

建立

cat <<EOF > slanla.conf
apiVersion: v1
kind: Config
clusters:
- cluster:
    certificate-authority-data: $CA_CERT
    server: $API_SERVER
  name: cluster
EOF

取得token

TOKEN=$(kubectl -n tw-sgis get secret ${SECRET} -o go-template='{{.data.token}}')

設定 token

kubectl config set-credentials slanla-user \
  --token=`echo ${TOKEN} | base64 -d` \
  --kubeconfig=slanla.conf

建立context: default

kubectl config set-context default \
  --cluster=cluster \
  --user=slanla-user \
  --kubeconfig=slanla.conf

指定context: default

kubectl config use-context default \
  --kubeconfig=slanla.conf