UsefulCommands.md

Some useful commands:

• To view logs of the running containers:
• To attach to the started container (bash)
• Attach to a container when it does not start
• To stop all your containers:
• To delete all images and containers:
• To delete PostgreSQL volumes
• Upgrade Airflow Database
• Create Airflow user

To view logs of the running containers:

  usage:
    docker-compose logs {container_name}
  example:
    docker-compose logs webserver

To attach to the started container (bash)

  usage:
     docker-compose exec {container_name} bash
  example:
     docker-compose exec webserver bash

Attach to a container when it does not start

If a container does not start because of teh startup errors, use the following command:

docker-compose run --entrypoint bash webserver

To stop all your containers:

  docker-compose down

To delete all images and containers:

  docker system prune -a

To delete PostgreSQL volumes

# find volume name
docker volume ls | grep postgre
# delete
docker volume rm airflow-cwl-docker_postgres-db-volume

Upgrade Airflow Database

If you have a problem with login and logs in containers complaining that "relation does not exist" execute this:

docker exec -it scheduler entrypoint.sh airflow db upgrade
docker exec -it webserver entrypoint.sh airflow db upgrade

Create Airflow user

If you have a problem with login and logs in containers complaining that "No user yet created" execute this:

docker exec -it scheduler entrypoint.sh airflow users create --username $_AIRFLOW_WWW_USER_USERNAME --password $_AIRFLOW_WWW_USER_PASSWORD -r Admin -e [email protected] -f Airflow -l Airflow