Helm upgrade MySQL

helm search repo bitnami/mysql
NAME            CHART VERSION   APP VERSION     DESCRIPTION
bitnami/mysql   8.8.22          8.0.28          Chart to create a Highly available MySQL cluster

helm upgrade mysql bitnami/mysql --namespace mysql -f ./mysql-values.yml

helm ls -n mysql
NAME    NAMESPACE       REVISION        UPDATED                                 STATUS          CHART           APP VERSION
mysql   mysql           24              2022-01-19 09:56:39.333435 +0900 JST    deployed        mysql-8.8.22    8.0.28

kubectl -n mysql get all,pvc
NAME          READY   STATUS    RESTARTS   AGE
pod/mysql-0   1/1     Running   0          59m

NAME                     TYPE        CLUSTER-IP     EXTERNAL-IP   PORT(S)    AGE
service/mysql            ClusterIP   10.245.84.17   <none>        3306/TCP   27d
service/mysql-headless   ClusterIP   None           <none>        3306/TCP   27d

NAME                     READY   AGE
statefulset.apps/mysql   1/1     16d

NAME                                 STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS       AGE
persistentvolumeclaim/data-mysql-0   Bound    pvc-c04e1f94-4dc7-4e91-b144-a6ab8b78b5fe   4Gi        RWO            do-block-storage   27d

kubectl -n mysql port-forward svc/mysql mysql

 SQL > select version();
+-----------+
| version() |
+-----------+
| 8.0.28    |
+-----------+
1 row in set (0.0908 sec)