airflow example_looker 源码
airflow example_looker 代码
文件路径：/airflow/providers/google/cloud/example_dags/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
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