k8s-学习笔记12-权限体系

kuceconfig管理员账户

在python调用api时，需要使用这份config，最高权限

cat > admin-csr.json <<EOF
{
  "CN": "admin",
  "hosts": [],
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "CN",
      "L": "hangzhou",
      "ST": "hangzhou",
      "O": "system:masters",
      "OU": "System"
    }
  ]
}
EOF

cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=client admin-csr.json | cfssljson -bare admin

　　

# 设置集群参数
kubectl config set-cluster kubernetes 
  --server=https://192.168.18.56:6443 
  --certificate-authority=/opt/kubernetes/server/bin/cert/ca.pem 
  --embed-certs=true 
  --kubeconfig=admin.kubeconfig


# 设置客户端认证参数
kubectl config set-credentials cluster-admin 
  --certificate-authority=/opt/kubernetes/server/bin/cert/ca.pem 
  --embed-certs=true 
  --client-key=/opt/kubernetes/server/bin/cert/admin-key.pem 
  --client-certificate=/opt/kubernetes/server/bin/cert/admin.pem 
  --kubeconfig=admin.kubeconfig


# 设置上下文参数
kubectl config set-context default 
  --cluster=kubernetes 
  --user=cluster-admin 
  --kubeconfig=admin.kubeconfig


# 设置默认上下文
kubectl config use-context default --kubeconfig=admin.kubeconfig