russell-downloader

docker image can be found under the name "jagiellonian/russell-downloader"

Docker environment variables

• RMQ_HOST - RabbitMQ host

• RMQ_PORT - RabbitMQ port

• DB_HOST - PostgreSQL server host

• DB_PORT - PostgreSQL server host

• DB_DATABASE - Database name

• DB_USERNAME - Database username

• DB_PASSWORD - Database password

• RMQ_REJECTED_PUBLISH_DELAY - After recieving NACK service will wait as many seconds as the value of this variable is before trying to publish message again

All the environment variables mentioned above are required to run the container

You should also mount volume that contains directory with repositories. You can do this using -v flag. i.e. -v "path to repositories directory":/repositories/ . Make sure the directory /repositories/ is on the right side of the command, because that is where the repositories inside the container are stored

Sample container run: docker run --env RMQ_HOST=172.17.0.3 --env RMQ_PORT=5672 --env DB_HOST=172.17.0.2 --env DB_PORT=5432 --env DB_DATABASE=frege --env DB_USERNAME=postgres --env DB_PASSWORD=password --env RMQ_REJECTED_PUBLISH_DELAY=5 -v /home/rep:/repositories/ jagiellonian/frege-downloader

Service listens for RabbitMQ messages from queue downloader in the following format:

{
    "repo_id": string,
    "git_url": string,
    "languages": [
     ...,
      language id: int,
     ...,
    ]
}

Sample message:

{
  "repo_id": "some_id",
  "git_url": "https://github.com/Software-Engineering-Jagiellonian/frege-downloader.git",
  "languages": [
    5,
    4,
    3
  ]
}

The languages field is optional