Source code for

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
Example Airflow DAG for Google Cloud Storage ACL (Access Control List) operators.
from __future__ import annotations

import os
from datetime import datetime
from pathlib import Path

from airflow.models.dag import DAG
from import (
from import LocalFilesystemToGCSOperator
from airflow.utils.trigger_rule import TriggerRule

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT")
[docs]DAG_ID = "gcs_acl"
[docs]BUCKET_NAME = f"bucket_{DAG_ID}_{ENV_ID}"
[docs]FILE_NAME = "example_upload.txt"
[docs]UPLOAD_FILE_PATH = str(Path(__file__).parent / "resources" / FILE_NAME)
[docs]GCS_ACL_ENTITY = "allUsers"
with DAG( DAG_ID, schedule="@once", start_date=datetime(2021, 1, 1), catchup=False, tags=["gcs", "acl", "example"], ) as dag:
[docs] create_bucket = GCSCreateBucketOperator( task_id="create_bucket", bucket_name=BUCKET_NAME, project_id=PROJECT_ID, resource={"predefined_acl": "public_read_write"}, )
upload_file = LocalFilesystemToGCSOperator( task_id="upload_file", src=UPLOAD_FILE_PATH, dst=FILE_NAME, bucket=BUCKET_NAME, ) # [START howto_operator_gcs_bucket_create_acl_entry_task] gcs_bucket_create_acl_entry_task = GCSBucketCreateAclEntryOperator( bucket=BUCKET_NAME, entity=GCS_ACL_ENTITY, role=GCS_ACL_BUCKET_ROLE, task_id="gcs_bucket_create_acl_entry_task", ) # [END howto_operator_gcs_bucket_create_acl_entry_task] # [START howto_operator_gcs_object_create_acl_entry_task] gcs_object_create_acl_entry_task = GCSObjectCreateAclEntryOperator( bucket=BUCKET_NAME, object_name=FILE_NAME, entity=GCS_ACL_ENTITY, role=GCS_ACL_OBJECT_ROLE, task_id="gcs_object_create_acl_entry_task", ) # [END howto_operator_gcs_object_create_acl_entry_task] delete_bucket = GCSDeleteBucketOperator( task_id="delete_bucket", bucket_name=BUCKET_NAME, trigger_rule=TriggerRule.ALL_DONE ) ( # TEST SETUP create_bucket >> upload_file # TEST BODY >> gcs_bucket_create_acl_entry_task >> gcs_object_create_acl_entry_task # TEST TEARDOWN, >> delete_bucket ) from tests.system.utils.watcher import watcher # This test needs watcher in order to properly mark success/failure # when "tearDown" task with trigger rule is part of the DAG list(dag.tasks) >> watcher() from tests.system.utils import get_test_run # noqa: E402 # Needed to run the example DAG with pytest (see: tests/system/
[docs]test_run = get_test_run(dag)

Was this entry helpful?