apiVersion: v1
kind: ConfigMap
metadata:
  name: proxysql-conf
data:
  config: |-
    datadir="/var/lib/proxysql"

    admin_variables=
    {
      admin_credentials="admin:admin;radmin:radmin"
      mysql_ifaces="0.0.0.0:3303"
    }
    mysql_variables=
    {
      threads=2
      max_connections=2048
      default_query_delay=0
      default_query_timeout=36000000
      have_compress=true
      poll_timeout=2000
      interfaces="0.0.0.0:3306"
      default_schema="information_schema"
      stacksize=1048576
      server_version="8.0.33"
      connect_timeout_server=3000
      monitor_username="monitor"
      monitor_password="monitor"
      monitor_history=600000
      monitor_connect_interval=5000
      monitor_ping_interval=2000
      monitor_read_only_interval=1500
      monitor_read_only_timeout=500
      ping_interval_server_msec=15000
      ping_timeout_server=500
      commands_stats=true
      sessions_sort=true
      connect_retries_on_failure=10
    }
    # defines all the MySQL servers
    mysql_servers =
    (
    	{ address="mysql-m.base.svc.cluster.local" , port=3306 , hostgroup=1, max_connections=5000 },
      { address="mysql-s.base.svc.cluster.local" , port=3306 , hostgroup=1, max_connections=5000 },
    )
    # defines all the MySQL users
    mysql_users:
    (
    	{ username = "root" , password = "Beaconfire@2099" , default_hostgroup = 0 , active = 1 },
    	{ username = "app" , password = "HelloBeaconfire!" , default_hostgroup = 0 , active = 1 }
    )
    # defines all the MySQL rules
    mysql_query_rules:
    (
    	{
    		rule_id=1
    		active=1
    		match_pattern="^SELECT .* FOR UPDATE$"
    		destination_hostgroup=0
    		apply=1
    	},
    	{
    		rule_id=2
    		active=1
    		match_pattern="^SELECT"
    		destination_hostgroup=1
    		apply=1
    	}
    )
    scheduler=
    (
    )
    mysql_replication_hostgroups=
    (
      {
        writer_hostgroup=0
        reader_hostgroup=1
        comment="Proxy Server BFS-DB1"
      }
    )

---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: proxysql
spec:
  replicas: 1
  serviceName: proxysql
  selector:
    matchLabels:
      app: proxysql
  template:
    metadata:
      labels:
        app: proxysql
    spec:
      containers:
      - name: proxysql
        image: proxysql/proxysql:2.6.2
        volumeMounts:
        - name: data
          mountPath: /var/lib/proxysql
        - name: conf
          mountPath: /etc/proxysql.cnf
          subPath: proxysql.cnf
          readOnly: true
      volumes:
      - name: data
        hostPath:
          path: /data/prod/proxysql
      - name: conf
        configMap:
          name: proxysql-conf
          items:
          - key: config
            path: proxysql.cnf
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: "app.kubernetes.io/component"
                operator: In
                values:
                - mysql
      tolerations:
        - key: "app.kubernetes.io/component"
          operator: "Equal"
          value: "mysql"
          effect: "NoSchedule"
---
apiVersion: v1
kind: Service
metadata:
  name: proxysql
  labels:
    app: proxysql
spec:
  ports:
  - name: proxysql-srv
    protocol: TCP
    port: 3306
    targetPort: 3306
  - name: proxysql-mgmt
    protocol: TCP
    port: 3303
    targetPort: 3303
  selector:
    app: proxysql
  type: ClusterIP