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nix-airflow-template

Airflow local instance template, with a help from Nix and Poetry. Use it to get acquainted with the platform.

Environment

To establish a local environment from this repository, you will need Nix installed

Once Nix is installed, simply run:

nix-shell
make init

What is inside?

  • local non-containerized Postgres instance;
  • latest Airflow instance (as of writing this readme);
  • Python 3.7 runtime;
  • version-pinned with Poetry;
  • shortcut commands to control the instance.

Instantiating Airflow

make airflow-start

How to test it

Navigate your browser to localhost:3333, enable the example DAG, refresh the page and observe that the DAG has been scheduled for execution. In a few seconds you will see that it completes. On the rightmost column, click the "Tree View" icon.

Every green square represents a dag task, every circle is a complete DAG instance. You can find the result of the operator by clicking on a square, and selecting View Log -> XCom.

How to reset everything

The following command removes the current Airflow DB instance, and recreates it from scratch again

make reset

How to stop the instance

To stop Airflow and Postgres instances run

make airflow-stop

License

0-clause BSD License