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RudderStack's Airflow Provider lets you programmatically schedule and trigger your Reverse ETL syncs from outside RudderStack and integrate them with your existing Airflow workflows.

For more information on the codebase and sample implementation, refer to our GitHub Repository.

Using the Airflow Provider

To use the Airflow Provider, you must have a working Apache Airflow installation. For more information, refer to the Airflow documentation.

Follow the steps in the below sections to use the RudderStack Airflow Provider:

Running Airflow

Initialize all the dependencies by running Apache Airflow via the following command:

airflow standalone
The Airflow standalone server is not meant for use in production. It is highly recommended using alternate methods to install and run Airflow in a production environment.

Installing Airflow Provider

Install the RudderStack Airflow Provider by running the following command:

pip install rudderstack-airflow-provider

Creating an Airflow connection

To create a new Airflow connection, follow these steps:

  1. In your Airflow dashboard, go to Admin > Connections, as shown:
Airflow dashboard Connections option
  1. Add a new connection by configuring the following details:
Airflow dashboard edit connection

  • Connection ID: Specify a unique connection name. RudderstackOperator will pick the connection with the name rudderstack_default by default. If you have created a connection with a different name, make sure that name is passed as a parameter to RudderstackOperator.

  • Connection Type: For this field, select HTTP from the list.

  • Host: Set the value for this field to https://api.rudderstack.com.

  • Password: Enter your Personal Access Token here.

For more information on generating an access token, refer to the Personal Access Tokens guide.

Defining a DAG

Next, define a DAG with the tasks as per your requirement.

The following code snippet highlights an Airflow DAG with one task named rs_trigger_sync for the source ID 20dQV6yuUDUw31peWA8f7xxgHdN:

For more information on obtaining the source ID, refer to the FAQ section below.

from datetime import datetime, timedelta


from airflow import DAG
from rudder_airflow_provider.operators.rudderstack import RudderstackOperator


default_args = {
    'owner': 'airflow',
    'depends_on_past': False,
    'email': ['airflow@example.com'],
    'email_on_failure': False
}


with DAG(
    'rudderstack-sample',
    default_args=default_args,
    description='A simple tutorial DAG',
    schedule_interval=timedelta(days=1),
    start_date=datetime(2021, 1, 1),
    catchup=False,
    tags=['rs']
) as dag:
    rs_operator = RudderstackOperator(
        source_id='20dQV6yuUDUw31peWA8f7xxgHdN',
        connection_id='rudderstack_sync_conn',
        task_id='rs_trigger_sync'
    )

For more information on where to find the source ID, refer to Sources guide.

Running the DAG

Once you have defined a DAG and configured an Airflow connection, run the following commands to allow Airflow to pick up and run the DAG:

export AIRFLOW_HOME=</path/to/airflow_home>
mkdir $AIRFLOW_HOME/dags
cp rudderstack_dag.py $AIRFLOW_HOME/dags

Make sure the Airflow scheduler is running in the background. Also, you must enable the DAG in the Airflow dashboard, as shown:

enabling Airflow DAG in dashboard

You can trigger a DAG by clicking on the play button on the right as seen above, and selecting Trigger DAG. Note that stopping the DAG will not cancel the ongoing sync.

FAQ

Where can I find the source ID for my Reverse ETL source?

The source ID is a unique identifier for any source set up in RudderStack.

To obtain the source ID, go to the configured Reverse ETL source in your RudderStack dashboard and navigate to the Settings tab.

Source ID for Reverse ETL sources

Contact us

For more information on the topics covered on this page, email us or start a conversation in our Slack community.

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