Source code for tests.system.microsoft.azure.example_wasb_sensors
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"""
Example Airflow DAG that senses blob(s) in Azure Blob Storage.
This DAG relies on the following OS environment variables
* CONTAINER_NAME - The container under which to look for the blob.
* BLOB_NAME - The name of the blob to match.
* PREFIX - The blob with the specified prefix to match.
"""
from __future__ import annotations
import os
from datetime import datetime
from airflow.models import DAG
from airflow.providers.microsoft.azure.sensors.wasb import WasbBlobSensor, WasbPrefixSensor
[docs]CONTAINER_NAME = os.environ.get("CONTAINER_NAME", "example-container-name")
[docs]BLOB_NAME = os.environ.get("BLOB_NAME", "example-blob-name")
[docs]PREFIX = os.environ.get("PREFIX", "example-prefix")
with DAG(
"example_wasb_sensors",
start_date=datetime(2022, 8, 8),
schedule=None,
catchup=False,
tags=["example"],
) as dag:
# [START wasb_blob_sensor]
[docs] azure_wasb_sensor = WasbBlobSensor(
container_name=CONTAINER_NAME,
blob_name=BLOB_NAME,
task_id="wasb_sense_blob",
)
# [END wasb_blob_sensor]
# [START wasb_prefix_sensor]
azure_wasb_prefix_sensor = WasbPrefixSensor(
container_name=CONTAINER_NAME,
prefix=PREFIX,
task_id="wasb_sense_prefix",
)
# [END wasb_prefix_sensor]
from tests_common.test_utils.system_tests import get_test_run # noqa: E402
# Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)
[docs]test_run = get_test_run(dag)