kubernetes部署mysql5.7服务

[root@k8s-master01 yaml]# cat mysql-service.yaml 
apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: mysql
spec:
  type: NodePort
  ports:
  - port: 3306
    protocol: TCP
    targetPort: 3306
    name: http
    nodePort: 30060
  selector:
    app: mysql

要想让客户端远程连接mysql，service设置为nodeport模式

[root@k8s-master01 ~]# mkdir -p /mysql/{data,yaml}
[root@k8s-master01 ~]# cd /mysql/yaml/
[root@k8s-master01 yaml]# vim mysql-service.yaml
[root@k8s-master01 yaml]# kubectl apply -f /mysql/yaml/mysql-service.yaml 
service/mysql created

[root@k8s-master01 yaml]# vim mysql-deployment.yaml
[root@k8s-master01 yaml]# kubectl apply -f mysql-deployment.yaml 
deployment.apps/mysql created


[root@k8s-master01 yaml]# vim persistence-volume.yaml
[root@k8s-master01 yaml]# kubectl apply -f /mysql/yaml/persistence-volume.yaml 
persistentvolume/mysql-pv-volume created


[root@k8s-master01 yaml]# vim pvClaim.yaml
[root@k8s-master01 yaml]# kubectl apply -f /mysql/yaml/pvClaim.yaml 
persistentvolumeclaim/mysql-pv-claim created

测试连接数据库：

kubectl run -it --image=mysql:5.7 --restart=Never mysql-client -- mysql -h mysql -ppassword

 后面连接数据库：

kubectl  exec  -it  pod的id号码   /bin/bash

进入容器：

mysql  -uroot  -ppassword   进入数据库

远程连接mysql
1、然后在mysql中先更改加密方式，指令如下：

mysql>ALTER USER 'root'@'%' IDENTIFIED BY '123456' PASSWORD EXPIRE NEVER;
2、然后再更改密码，由于加密规则更改，所以需要重新设置密码；

mysql>ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY '123456';
 3、给与root用户全部权限；

mysql> grant all privileges on *.* to root;

 4、最后在刷新一下数据库；

mysql>FLUSH PRIVILEGES;

 

 

[root@k8s-master01 yaml]# cat mysql-service.yaml 
apiVersion: v1
kind: Service
metadata:
  name: mysql
spec:
  ports:
  - port: 3306
  selector:
    app: mysql
  clusterIP: None

[root@k8s-master01 yaml]# cat mysql-deployment.yaml 
apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
  name: mysql
spec:
  selector:
    matchLabels:
      app: mysql
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: mysql
    spec:
      containers:
      - image: mysql:5.7
        name: mysql
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: password
        ports:
        - containerPort: 3306
          name: mysql
        volumeMounts:
        - name: mysql-persistent-storage
          mountPath: /var/lib/mysql
      volumes:
      - name: mysql-persistent-storage
        persistentVolumeClaim:
          claimName: mysql-pv-claim


[root@k8s-master01 yaml]# cat persistence-volume.yaml 
apiVersion: v1
kind: PersistentVolume
metadata:
  name: mysql-pv-volume
  labels:
    type: local
spec:
  storageClassName: manual
  capacity:
    storage: 30Gi
  accessModes:
    - ReadWriteOnce
  hostPath:
    path: "/mysql/data"
[root@k8s-master01 yaml]# cat pvClaim.yaml 

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-pv-claim
spec:
  storageClassName: manual
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 30Gi

 

数据库文件导入：

[root@k8s-master01 ~]# kubectl cp /mysql/data/t100w.sql  mysql-6cbd798f65-7s54p:/root/ /bin/bash 

外部mysql数据文件通过kubectl  cp   命令导入到pod容器里面root目录下，然后在容器里面通过命令登陆数据库，source 命令导入数据文件

mysql> source /root/t100w.sql;
Query OK, 0 rows affected (0.00 sec)

Query OK, 0 rows affected (0.00 sec)

Query OK, 0 rows affected (0.00 sec)

Query OK, 0 rows affected (0.00 sec)

Query OK, 0 rows affected (0.00 sec)