example_looker.py

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"""
Example Airflow DAG that show how to use various Looker
operators to submit PDT materialization job and manage it.
"""
from __future__ import annotations

from datetime import datetime

from airflow import models
from airflow.providers.google.cloud.operators.looker import LookerStartPdtBuildOperator
from airflow.providers.google.cloud.sensors.looker import LookerCheckPdtBuildSensor

with models.DAG(
    dag_id='example_gcp_looker',
    start_date=datetime(2021, 1, 1),
    catchup=False,
) as dag:
    # [START cloud_looker_async_start_pdt_sensor]
    start_pdt_task_async = LookerStartPdtBuildOperator(
        task_id='start_pdt_task_async',
        looker_conn_id='your_airflow_connection_for_looker',
        model='your_lookml_model',
        view='your_lookml_view',
        asynchronous=True,
    )

    check_pdt_task_async_sensor = LookerCheckPdtBuildSensor(
        task_id='check_pdt_task_async_sensor',
        looker_conn_id='your_airflow_connection_for_looker',
        materialization_id=start_pdt_task_async.output,
        poke_interval=10,
    )
    # [END cloud_looker_async_start_pdt_sensor]

    # [START how_to_cloud_looker_start_pdt_build_operator]
    build_pdt_task = LookerStartPdtBuildOperator(
        task_id='build_pdt_task',
        looker_conn_id='your_airflow_connection_for_looker',
        model='your_lookml_model',
        view='your_lookml_view',
    )
    # [END how_to_cloud_looker_start_pdt_build_operator]

    start_pdt_task_async >> check_pdt_task_async_sensor

    build_pdt_task