1 编写 mysql.yaml文件
编写yaml如下
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apiVersion: v1kind: Namespacemetadata: name: devops # Namespace 的名称---apiVersion: apps/v1kind: Deploymentmetadata: name: devops-mysql # deployment控制器名称 namespace: devopsspec: replicas: 1 revisionHistoryLimit: 5 strategy: type: RollingUpdate selector: matchLabels: app: devops-mysql template: metadata: labels: app: devops-mysql spec: volumes: - name: devops-mysql nfs: server: xx.xx.xx.xx # 修改为挂载存储的服务器ip path: /root/data/nfs/mysql/devops # 修改为存储服务器的存储挂载路径 containers: - name: devops-mysql image: mysql:5.7 env: - name: MYSQL_ROOT_PASSWORD value: xxxxxxxx # 设置MySQL数据库登录密码 imagePullPolicy: Always ports: - containerPort: 3306 volumeMounts: - name: devops-mysql mountPath: /var/lib/mysql---apiVersion: v1kind: Servicemetadata: name: devops-mysql # 数据库服务的名称 namespace: devopsspec: ports: - port: 3306 protocol: TCP targetPort: 3306 nodePort: 30001 # 对外访问的端口 selector: app: devops-mysql type: NodePort sessionAffinity: ClientIP |
2 执行如下命令创建
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kubectl apply -f mysql.yaml |
3 通过如下命令查看创建结果
使用如下命令查看
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kubectl get pod -n devops | grep mysql |
如：
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[root@master ~]# kubectl get pod -n devops | grep mysqldevops-mysql-59b68c47d4-ttbng 1/1 Running 0 23h[root@master ~]# |
4 命令行进入Pod并登录mysql
如下;
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[root@master ~]# kubectl exec -it devops-mysql-59b68c47d4-ttbng bash -n devopskubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.root@devops-mysql-59b68c47d4-ttbng:/# mysql -uroot -pEnter password:Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 13Server version: 5.7.36 MySQL Community Server (GPL)Copyright (c) 2000, 2021, Oracle and/or its affiliates.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.mysql> show databases;+--------------------+| Database |+--------------------+| information_schema || mysql || performance_schema || sys |+--------------------+5 rows in set (0.01 sec)mysql> |
5 至此，数据库已经安装完成，然后即可通过ip+端口，这里是30001，进行数据库链接了
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原文链接：https://juejin.cn/post/7101584734286774303
