---
volumes:
  akvorado-prometheus:
  akvorado-jmx-agent:

services:
  prometheus:
    extends:
      file: versions.yml
      service: prometheus
    restart: unless-stopped
    user: root                  # for access to /var/run/docker.sock
    volumes:
      - akvorado-prometheus:/prometheus
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./prometheus.yml:/etc/prometheus/prometheus.yml
    command:
      # Those are the defaults
      - --config.file=/etc/prometheus/prometheus.yml
      - --storage.tsdb.path=/prometheus
      - --web.console.libraries=/usr/share/prometheus/console_libraries
      - --web.console.templates=/usr/share/prometheus/consoles
      # Those are not the defaults
      - --web.external-url=/prometheus
    labels:
      - traefik.enable=true
      - traefik.http.routers.prometheus.entrypoints=public
      - traefik.http.routers.prometheus.rule=PathPrefix(`/prometheus`)
      - traefik.http.services.prometheus.loadbalancer.server.port=9090

  node-exporter:
    extends:
      file: versions.yml
      service: node-exporter
    restart: unless-stopped
    volumes:
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
    command:
      - --path.procfs=/host/proc
      - --path.sysfs=/host/sys
      - --no-collector.filesystem

  # Kafka monitoring
  jmx-exporter-downloader:
    image: alpine:latest
    command: /usr/local/bin/jmx-exporter-download.sh
    volumes:
      - akvorado-jmx-agent:/opt/jmx-exporter
      - ./jmx-exporter-download.sh:/usr/local/bin/jmx-exporter-download.sh
  kafka:
    expose:
      - 9092 # kafka
      - 9100 # metrics
    depends_on:
      jmx-exporter-downloader:
        condition: service_completed_successfully
    environment:
      KAFKA_OPTS: >-
        -javaagent:/opt/jmx-exporter/jmx_prometheus_javaagent.jar=9100:/etc/kafka/jmx-exporter.yaml
    volumes:
      - akvorado-jmx-agent:/opt/jmx-exporter
      - ./kafka-jmx-exporter-config.yaml:/etc/kafka/jmx-exporter.yaml