Host-Ansible-Setup/services/service_icinga2/docker-compose.yml

services:

  # Gluetun is used to connect container to VPN
  icinga2-gluetun:
    image: qmcgaw/gluetun
    cap_add:
      - NET_ADMIN
    environment:
      - VPN_SERVICE_PROVIDER=custom
      - VPN_TYPE=wireguard
      - VPN_ENDPOINT_IP={{ proxy_server_ip }}
      - VPN_ENDPOINT_PORT={{ proxy_server_vpn_port }}
      - WIREGUARD_PUBLIC_KEY={{ vpn_server_pubkey }}
      - WIREGUARD_PRIVATE_KEY={{ icinga2_backend_privkey }}
      - WIREGUARD_ADDRESSES=10.0.0.4/32
      - FIREWALL_VPN_INPUT_PORTS=8080,5665
    networks:
      icinga2:
    ports:
      # Web UI Port
      - "8080:8080"
      # Backend API Port
      - "5665:5665"
    deploy:
      limits:
        cpus: '0.10'
        memory: 512M
  
  # Backend service that does the checking and hosts API
  icinga2-master:
    network_mode: "service:icinga2-gluetun"
    image: icinga/icinga2
    container_name: icinga2-master
    hostname: icinga2-master
    volumes:
      - ./icinga2-master-data:/data
    environment:
      - ICINGA_MASTER=1
    depends_on:
      - icinga2-dbhandler
    deploy:
      limits:
        cpus: '0.25'
        memory: 512M

  # Service that handles everything between icinga SQL and icinga Redis databases
  icinga2-dbhandler: image: icinga/icingadb
    restart: always
    environment:
      - ICINGADB_REDIS_HOST=11.1.0.21
      - ICINGADB_REDIS_PORT=6379
      - ICINGADB_REDIS_PASSWORD="{{ service_icinga2_icinga2-redis_password }}"
      - ICINGADB_DATABASE_TYPE=pgsql
      - ICINGADB_DATABASE_HOST=11.1.0.22
      - ICINGADB_DATABASE_PORT=5432
      - ICINGADB_DATABASE_DATABASE=icinga2-db
      - ICINGADB_DATABASE_USER=icinga2-db
      - ICINGADB_DATABASE_PASSWORD="{{ service_icinga2_icinga2-db_postgres_password }}"
    depends_on:
      - icinga2-redis
      - icinga2-db
    networks:
      icinga2:
        ipv4_address:11.1.0.20
    deploy:
      limits:
        cpus: '0.10'
        memory: 256M

  icinga2-redis:
    image: "redis:alpine"
    command: "redis-server --save 60 1 --loglevel warning --requirepass {{ service_icinga2_icinga2-redis_password }}"
    volumes:
      - ./redis-data:/data
    networks:
      icinga2:
        ipv4_address:11.1.0.21
    deploy:
      limits:
        cpus: '0.10'
        memory: 128M

  icinga2-db:
    image: docker.io/library/postgres:16-alpine
    restart: unless-stopped
    volumes:
      - ./postgres-data/icinga2-db:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: icinga2-db
      POSTGRES_USER: icinga2-db
      POSTGRES_PASSWORD: "{{ service_icinga2_icinga2-db_postgres_password }}"
    healthcheck:
      test: ["CMD-SHELL","pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
    networks:
      icinga2:
        ipv4_address:11.1.0.22
    deploy:
      limits:
        cpus: '0.10'
        memory: 128M

  icinga2-web-db:
    image: docker.io/library/postgres:16-alpine
    restart: unless-stopped
    volumes:
      - ./postgres-data/icinga2-web-db:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: icinga2-web-db
      POSTGRES_USER: icinga2-web-db
      POSTGRES_PASSWORD: "{{ service_icinga2_icinga2-web-db_postgres_password }}"
    healthcheck:
      test: ["CMD-SHELL","pg_isready -U $$POSTGRES_USER -d $$POSTGRES_DB"]
    networks:
      icinga2:
        ipv4_address:11.1.0.23
    deploy:
      limits:
        cpus: '0.10'
        memory: 128M

          #  # Web UI
          #  icinga2-web:
          #    network_mode: "service:icinga2-gluetun"
          #    image: icinga/icingaweb2
          #    volumes:
          #      - ./icinga2-web-data:/data
          #    environment:
          #      # Incingaweb General Configuration
          #      - icingaweb.enabledModules=icingadb
          #      - icingaweb.authentication.icingaweb2.backend=db
          #      - icingaweb.authentication.icingaweb2.resource=icingaweb_db
          #      - icingaweb.config.global.config_backend=db
          #      - icingaweb.config.global.config_resource=icingaweb_db
          #      - icingaweb.config.logging.log=php
          #      - icingaweb.groups.icingaweb2.backend=db
          #      - icingaweb.groups.icingaweb2.resource=icingaweb_db
          #
          #      # IncingaDB Redis Database configuration
          #      - icingaweb.modules.icingadb.config.icingadb.resource=icingadb
          #      - icingaweb.modules.icingadb.redis.redis1.host=11.1.0.21
          #      - icingaweb.modules.icingadb.redis.redis1.port=6379
          #
          #      # Connection to backend Incinga server API
          #      - icingaweb.modules.icingadb.commandtransports.icinga2.transport=api
          #      - icingaweb.modules.icingadb.commandtransports.icinga2.host=127.0.0.1
          #      - icingaweb.modules.icingadb.commandtransports.icinga2.username=root
          #      - icingaweb.modules.icingadb.commandtransports.icinga2.password=123456
          #
          #      # Incinga Web SQL Database configuration
          #      - icingaweb.resources.icingaweb_db.type=db
          #      - icingaweb.resources.icingaweb_db.db=pgsql
          #      - icingaweb.resources.icingaweb_db.host=11.1.0.23
          #      - icingaweb.resources.icingaweb_db.dbname=icinga2-web-db
          #      - icingaweb.resources.icingaweb_db.username=icinga2-web-db
          #      - icingaweb.resources.icingaweb_db.password="{{ service_icinga2_icinga2-web-db_postgres_password }}"
          #      - icingaweb.resources.icingaweb_db.charset=utf8mb4
          #
          #      # IncingaDB SQL Database configuration
          #      - icingaweb.resources.icingadb.type=db
          #      - icingaweb.resources.icingadb.db=pgsql
          #      - icingaweb.resources.icingadb.host=11.1.0.22
          #      - icingaweb.resources.icingadb.dbname=icinga2-db
          #      - icingaweb.resources.icingadb.username=icinga2-db
          #      - icingaweb.resources.icingadb.password="{{ service_icinga2_icinga2-db_postgres_password }}"
          #      - icingaweb.resources.icingadb.charset=utf8mb4
          #
          #      # Incinga User/Admin Configuration
          #      - icingaweb.passwords.icingaweb2.icingaadmin="{{ service_icinga2_icingaadmin_password }}"
          #      - icingaweb.roles.Administrators.users=icingaadmin
          #      - icingaweb.roles.Administrators.permissions=*
          #      - icingaweb.roles.Administrators.groups=Administrators
          #    depends_on:
          #      - icinga2-master
          #      - icinga2-web-db
          #    deploy:
          #      limits:
          #        cpus: '0.25'
          #        memory: 512M

networks:
  icinga2:
    driver: bridge
    driver_opts:
      com.docker.network.bridge.name: icinga2
        #      com.docker.network.driver.enable_ip_masquerade: 0
    ipam:
      config:
        - subnet: 11.1.0.0/16
          #          gateway: 11.5.0.1