apiVersion: apps/v1
kind: Deployment
metadata:
  name: mysql
  namespace: devops
  labels:
    app.kubernetes.io/name: mysql
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: mysql
  template:
    metadata:
      labels:
        app.kubernetes.io/name: mysql
    spec:
      securityContext:
        fsGroup: 999
        fsGroupChangePolicy: OnRootMismatch
        seccompProfile:
          type: RuntimeDefault
      containers:
        - name: mysql
          image: mysql:8.0
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 3306
          env:
            - name: MYSQL_ROOT_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: aiops-secret
                  key: mysql-root-password
            - name: MYSQL_DATABASE
              value: aiops
            - name: MYSQL_USER
              value: aiops
            - name: MYSQL_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: aiops-secret
                  key: mysql-password
            - name: TZ
              value: Asia/Shanghai
          args:
            - --default-authentication-plugin=mysql_native_password
            - --character-set-server=utf8mb4
            - --collation-server=utf8mb4_unicode_ci
          volumeMounts:
            - name: mysql-data
              mountPath: /var/lib/mysql
          securityContext:
            runAsNonRoot: true
            runAsUser: 999
            runAsGroup: 999
            allowPrivilegeEscalation: false
            capabilities:
              drop: ["ALL"]
            seccompProfile:
              type: RuntimeDefault
          readinessProbe:
            exec:
              command: ["sh", "-c", "mysqladmin ping -h 127.0.0.1 -uroot -p\"$MYSQL_ROOT_PASSWORD\""]
            initialDelaySeconds: 20
            periodSeconds: 10
            timeoutSeconds: 5
          resources:
            requests:
              cpu: 250m
              memory: 512Mi
            limits:
              cpu: "1"
              memory: 2Gi
      volumes:
        - name: mysql-data
          persistentVolumeClaim:
            claimName: mysql-data
---
# MySQL 数据必须独立持久化，供备份与恢复演练使用。 // Logan.Li
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: mysql-data
  namespace: devops
  labels:
    app.kubernetes.io/name: mysql
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
---
apiVersion: v1
kind: Service
metadata:
  name: mysql
  namespace: devops
spec:
  selector:
    app.kubernetes.io/name: mysql
  ports:
    - port: 3306
      targetPort: 3306