container.yml

version: "2"
settings:
  conductor:
    base: ubuntu:xenial
    # roles_path:   # Specify a local path containing Ansible roles
    # volumes:      # Provide a list of volumes to mount
    # environment:  # List or mapping of environment variables
  project_name: drastic-cluster

  # The deployment_output_path is mounted to the Conductor container, and the
  # `run` and `deployment` commands then write generated Ansible playbooks to it.
  # deployment_output_path: ./ansible-deployment
defaults:
  deploy_local_code: no
  https_mode: no
  django_host: django
  http_port: 8080
  https_port: 8443
  gunicorn_workers: 3
  install_dir: /opt/drastic
  cassandra_replication_factor: 2
  cassandra_seed_server: cassandra-1
  cassandra_hosts:
    - cassandra-1
    - cassandra-2
    - cassandra-3
services:
  djangoinit:
    from: ubuntu:xenial
    roles:
      - drastic
      - django
    environment:
      DJANGO_STATIC_ROOT: "/static"
      CASSANDRA_SEED_SERVER: "{{ cassandra_seed_server }}"
      CASSANDRA_HOSTNAMES: "{{ cassandra_hosts|join(',') }}"
      CASSANDRA_REPLICATION_FACTOR: "{{ cassandra_replication_factor }}"
      CASSANDRA_CONSISTENCY_LEVEL: "{{ cassandra_hosts|length - cassandra_replication_factor + 1 }}"
    command: "{{ install_dir }}/django_init.sh"
    entrypoint: "{{ install_dir }}/entrypoint.sh"
    links:
      - mosquitto
      - cassandra-1
      - cassandra-2
      - cassandra-3
    depends_on:
      - cassandra-1
      - cassandra-2
      - cassandra-3
    volumes:
      - static-content:/static
      - logs:/logs
  django:
    from: ubuntu:xenial
    roles:
      - drastic
      - django
    expose:
      - 8000
    dev_overrides:
      ports:
        - 8888:8000
    environment:
      DJANGO_STATIC_ROOT: "/static"
      CASSANDRA_SEED_SERVER: "{{ cassandra_seed_server }}"
      CASSANDRA_HOSTNAMES: "{{ cassandra_hosts|join(',') }}"
      CASSANDRA_REPLICATION_FACTOR: "{{ cassandra_replication_factor }}"
      CASSANDRA_CONSISTENCY_LEVEL: "{{ cassandra_hosts|length - cassandra_replication_factor + 1 }}"
      GUNICORN_CMD_ARGS: |
        --workers {{ gunicorn_workers }}
        --forwarded-allow-ips '*'
        --bind "0.0.0.0:8000"
        --pythonpath '{{ install_dir }}/web/project'
        --config '{{ install_dir }}/web/project/gunicorn.conf'
        --log-file '/logs/drastic-web-gunicorn.log'
        --log-level INFO
        --timeout 300
    command: "{{ install_dir }}/web/bin/gunicorn drastic_ui.wsgi"
    entrypoint: "{{ install_dir }}/entrypoint.sh"
    restart: on-failure
    depends_on:
      - djangoinit
      - mosquitto
      - cassandra-1
      - cassandra-2
      - cassandra-3
    links:
      - mosquitto
      - cassandra-1
      - cassandra-2
      - cassandra-3
    volumes:
      - static-content:/static
      - logs:/logs
  nginx:
    from: nginx
    roles:
      - nginx
    command: "nginx -g 'daemon off;'"
    ports:
      - 80:8080
      - 443:8443
    dev_overrides:
      ports:
        - 8080:8080
        - 8443:8443
    links:
      - django
    volumes:
      - static-content:/static
      - logs:/logs
  mosquitto:
    from: eclipse-mosquitto
    expose:
      - 1883
      - 9001
    #volumes:
    #  - mosquitto.conf:/mosquitto/config/mosquitto.conf
  cassandra-1:
    from: cassandra
    environment:
      CASSANDRA_BROADCAST_ADDRESS: cassandra-1
    volumes:
      - volume1:/var/lib/cassandra
    restart: on-failure
  cassandra-2:
    from: cassandra
    environment:
      CASSANDRA_BROADCAST_ADDRESS: cassandra-2
      CASSANDRA_SEEDS: cassandra-1
    depends_on:
      - cassandra-1
    volumes:
      - volume2:/var/lib/cassandra
    restart: on-failure
  cassandra-3:
    from: cassandra
    environment:
      CASSANDRA_BROADCAST_ADDRESS: cassandra-3
      CASSANDRA_SEEDS: cassandra-1
    depends_on:
      - cassandra-2
    volumes:
      - volume3:/var/lib/cassandra
    restart: on-failure
registries: {}
volumes:
  static-content:
    docker: {}
  logs:
    docker: {}
  volume1:
    docker: {}
    external:
      name: cassandra1-vol
  volume2:
    docker: {}
    external:
      name: cassandra2-vol
  volume3:
    docker: {}
    external:
      name: cassandra3-vol