Helm是Kubernete包管理器，使用helm可以方便地管理Kubernete应用。Helm使用charts来定义，安装和升级Kubernete Operators。Oracle官方的MySQL Operator是在Kubernetes集群中部署MySQL数据库集群的简单方式。本篇文章介绍通过helm来安装部署MySQL Operator。

1. 首先添加MySQL Operator的helm仓库

helm repo add mysql-operator mysql.github.io/mysql-operator/
helm repo update

    2. 安装MySQL Operator

 helm install my-mysql-operator mysql-operator/mysql-operator \
   --namespace mysql-operator --create-namespace

执行结果输出

$ helm install my-mysql-operator mysql-operator/mysql-operator \
   --namespace mysql-operator --create-namespace
NAME: my-mysql-operator
LAST DEPLOYED: Mon Sep  4 17:20:49 2023
NAMESPACE: mysql-operator
STATUS: deployed
REVISION: 1
TEST SUITE: None

可以查看安装的资源确认是否已经安装成功

$ kubectl get all -n mysql-operator
NAME                                READY   STATUS    RESTARTS   AGE
pod/mysql-operator-7fbcf988-d24xq   1/1     Running   0          3m8s

NAME                     TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)    AGE
service/mysql-operator   ClusterIP   10.110.46.94   <none>        9443/TCP   3m8s

NAME                             READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/mysql-operator   1/1     1            1           3m8s

NAME                                      DESIRED   CURRENT   READY   AGE
replicaset.apps/mysql-operator-7fbcf988   1         1         1       3m8s