vagga.yaml

containers:
  postgres:
    setup:
    - !Ubuntu xenial
    # Use fixed user id and group id for postgres, because in some cases
    # we may need to upgrade (rebuild) a postgres container, but keep the data
    # on a `!Persistent` volume still usable. User ids in ubuntu packages are
    # not guaranteed to be same on every installation.
    #
    # The command-lines are from the postgres-common package except
    # added --uid 200 --gid 200
    - !Sh |
        locale-gen cs_CZ.UTF-8
        addgroup --system --gid 200 postgres
        adduser --uid 200 --system --home /data --no-create-home \
            --shell /bin/bash --group --gecos "PostgreSQL administrator" \
            postgres
    - !Install
      - postgresql-9.5
      - postgresql-contrib-9.5
    - !EnsureDir /data
    environ:
      PG_PORT: 5433   # Port of host to use
      PG_DB: sirius
      PGDATA: /data
      PG_BIN: /usr/lib/postgresql/9.5/bin
    volumes:
      /data: !Persistent
        name: postgres
        owner-uid: 200
        owner-gid: 200
        init-command: _pg-init
      /run: !Tmpfs
        subdirs:
          postgresql: { mode: 0o777 }  # until we have user, group options

  elastic:
    setup:
    - !Ubuntu xenial
    - !UbuntuUniverse
    - !Install
      - ca-certificates
      - ca-certificates-java
      - openjdk-8-jre-headless
      - elasticsearch
    - !EnsureDir /var/elastic
    volumes:
      /var/elastic: !Persistent { name: elastic }
commands:

  _pg-init: !Command
    description: Init postgres database
    container: postgres
    user-id: 200
    group-id: 200
    run: |
      set -ex
      ls -la /data
      $PG_BIN/pg_ctl initdb -o "-E=UTF8"
      $PG_BIN/pg_ctl -w -o '-F --port=$PG_PORT -k /tmp' start
      $PG_BIN/createuser -h 127.0.0.1 -p $PG_PORT -s -d sirius
      $PG_BIN/createdb -h 127.0.0.1 -p $PG_PORT $PG_DB -O sirius
      $PG_BIN/pg_ctl stop

  postgres: &postgres !Command
    description: Run postgres database
    container: postgres
    user-id: 200
    group-id: 200
    run: |
      trap "$PG_BIN/pg_ctl -w stop; trap - INT; kill -INT $$" INT
      $PG_BIN/pg_ctl -w -o '-F --port=$PG_PORT -k /tmp' start
      sleep infinity

  psql: &psql !Command
    description: Run postgres shell
    container: postgres
    run: |
      psql -U sirius postgres://$PG_USER:$PG_PASSWORD@127.0.0.1:$PG_PORT/$PG_DB

  elastic: &elastic !Command
    description: Run elasticsearch
    container: elastic
    user-id: 1
    external-user-id: 0
    run:
    - /usr/share/elasticsearch/bin/elasticsearch
    - -Des.path.conf=/etc/elasticsearch
    - -Des.path.logs=/tmp
    - -Des.path.work=/tmp
    - -Des.path.data=/var/elastic/data
    - -Des.network.host=127.0.0.1

  run: !Supervise
    description: Run both postgres and shell
    children:
      postgres: *postgres
      elastic: *elastic