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doc(ingestion/airflow-plugin): update for developers (#10633)

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dushayntAW 2024-06-06 11:01:39 +02:00 committed by GitHub
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2
docs/lineage/airflow.md
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@ -69,7 +69,7 @@ enabled = True # default
| -------------------------- | -------------------- | ---------------------------------------------------------------------------------------- |
| enabled | true | If the plugin should be enabled. |
| conn_id | datahub_rest_default | The name of the datahub rest connection. |
| cluster | prod | name of the airflow cluster |
| cluster | prod | name of the airflow cluster, this is equivalent to the `env` of the instance |
| capture_ownership_info | true | Extract DAG ownership. |
| capture_tags_info | true | Extract DAG tags. |
| capture_executions | true | Extract task runs and success/failure statuses. This will show up in DataHub "Runs" tab. |

23
metadata-ingestion/developing.md
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@ -34,7 +34,30 @@ cd metadata-ingestion-modules/airflow-plugin
../../gradlew :metadata-ingestion-modules:airflow-plugin:installDev
source venv/bin/activate
datahub version # should print "DataHub CLI version: unavailable (installed in develop mode)"
# start the airflow web server
export AIRFLOW_HOME=~/airflow
airflow webserver --port 8090 -d
# start the airflow scheduler
airflow scheduler
# access the airflow service and run any of the DAG
# open http://localhost:8090/
# select any DAG and click on the `play arrow` button to start the DAG
# add the debug lines in the codebase, i.e. in ./src/datahub_airflow_plugin/datahub_listener.py
logger.debug("this is the sample debug line")
# run the DAG again and you can see the debug lines in the task_run log at,
#1. click on the `timestamp` in the `Last Run` column
#2. select the task
#3. click on the `log` option
```
> **P.S. if you are not able to see the log lines, then restart the `airflow scheduler` and rerun the DAG**
### (Optional) Set up your Python environment for developing on Dagster Plugin
From the repository root: