version: '3.8'

services:
  anode:
    image: colinmollenhour/mariadb-galera-swarm
    environment:
      - XTRABACKUP_PASSWORD_FILE=/run/secrets/xtrabackup_password
      - MYSQL_USER=user
      - MYSQL_PASSWORD_FILE=/run/secrets/mysql_password
      - MYSQL_DATABASE=database
      - MYSQL_ROOT_PASSWORD_FILE=/run/secrets/mysql_root_password
      - NODE_ADDRESS=^10.0.10.*
      - HEALTHY_WHILE_BOOTING=1
    networks:
      - mariadb
#    ports:
#     - mode: host
#       target: 4567
#       published: 4567
    command: node tasks.anode,tasks.bnode
    volumes:
      - /var/lib/mysql:/var/lib/mysql
    deploy:
      resources:
        limits:
          cpus: '0.75'
          memory: 250M
        reservations:
          cpus: '0.5'
          memory: 100M
      # Replicated mode
      mode: replicated
      replicas: 1
      placement:
        # Services must run only on workers with one service per container
        max_replicas_per_node: 1
        constraints:
          - node.labels.node1 == true
          - node.role == worker
    secrets:
      - xtrabackup_password
      - mysql_password
      - mysql_root_password
  bnode:
    image: colinmollenhour/mariadb-galera-swarm
    environment:
      - XTRABACKUP_PASSWORD_FILE=/run/secrets/xtrabackup_password
      - NODE_ADDRESS=^10.0.10.*
      - HEALTHY_WHILE_BOOTING=1
      - MASTER_ADDR
    networks:
      - mariadb
    command: node $MASTER_ADDR,tasks.bnode
#   command: node tasks.anode,tasks.bnode
    volumes:
      - /var/lib/mysql:/var/lib/mysql
    deploy:
      resources:
        limits:
          cpus: '0.75' 
          memory: 250M
        reservations:
          cpus: '0.5'
          memory: 100M   
      # Replicated mode
      mode: replicated
      replicas: 1
      placement:
        # Services must run only on workers with one service per container
        max_replicas_per_node: 1
        constraints:
          - node.labels.node2 == true
          - node.role == worker
    depends_on:
      - anode
    secrets:
      - xtrabackup_password

#volumes:
#  mysql-data:
#    name: '{{.Service.Name}}-{{.Task.Slot}}-data'
#    driver: local

networks:
  mariadb:
    external:
      name: mariadb

secrets:
  xtrabackup_password:
    file: .secrets/xtrabackup_password
  mysql_password:
    file: .secrets/mysql_password
  mysql_root_password:
    file: .secrets/mysql_root_password