LQDeployConfig/kubernetes/mysql-master-slave/V1/mysql-master-v4.yaml

---
# 1. ConfigMaps
apiVersion: v1
kind: ConfigMap
metadata:
  name: mysql-master-config
data:
  my.cnf: |
    [mysqld]
    server-id=1
    log-bin=mysql-bin
    binlog-format=ROW
    gtid-mode=ON
    enforce-gtid-consistency=ON
    log-replica-updates=ON
    skip-replica-start=ON
    default-authentication-plugin=mysql_native_password
    bind-address=0.0.0.0
    character-set-server=utf8mb4
    collation-server=utf8mb4_unicode_ci
    max_connections=1000
    innodb_buffer_pool_size=256M
---
# 2. Secrets
apiVersion: v1
kind: Secret
metadata:
  name: mysql-secrets
type: Opaque
stringData:
  root-password: "Lq123456!"
  replica-user: "replica"
  replica-password: "Replica123456!"
---
# 3. Services
apiVersion: v1
kind: Service
metadata:
  name: mysql-master
  labels:
    app: mysql
    role: master
spec:
  ports:
  - port: 3306
    name: mysql
  selector:
    app: mysql
    role: master
---
# 4. Master Deployment (先用Deployment简化调试)
apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql-master
  labels:
    app: mysql
    role: master
spec:
  replicas: 1
  selector:
    matchLabels:
      app: mysql
      role: master
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: mysql
        role: master
    spec:
      containers:
      - name: mysql
        image: mysql:8.0.44
        env:
        - name: MYSQL_ROOT_PASSWORD
          value: "Lq123456!"
        - name: MYSQL_DATABASE
          value: "appdb"
        - name: MYSQL_USER
          value: "appuser"
        - name: MYSQL_PASSWORD
          value: "App123456!"
        ports:
        - containerPort: 3306
        volumeMounts:
        - name: config
          mountPath: /etc/mysql/conf.d/
        - name: data
          mountPath: /var/lib/mysql
        resources:
          requests:
            memory: "512Mi"
            cpu: "250m"
        livenessProbe:
          tcpSocket:
            port: 3306
          initialDelaySeconds: 90
          periodSeconds: 20
        readinessProbe:
          exec:
            command:
            - mysql
            - -h127.0.0.1
            - -uroot
            - -pLq123456!
            - -e
            - "SELECT 1"
          initialDelaySeconds: 60
          periodSeconds: 10
        lifecycle:
          postStart:
            exec:
              command:
              - /bin/bash
              - -c
              - |
                sleep 20
                mysql -uroot -pLq123456! <<EOF
                CREATE USER IF NOT EXISTS 'replica'@'%' IDENTIFIED WITH mysql_native_password BY 'Replica123456!';
                GRANT REPLICATION SLAVE, REPLICATION CLIENT ON *.* TO 'replica'@'%';
                GRANT SELECT ON *.* TO 'replica'@'%';
                FLUSH PRIVILEGES;
                SHOW MASTER STATUS\G
                EOF
      volumes:
      - name: config
        configMap:
          name: mysql-master-config
      - name: data
        emptyDir: {}