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Source code for tests.system.google.cloud.gcs.example_s3_to_gcs

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# with the License.  You may obtain a copy of the License at
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#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

import os
from datetime import datetime
from pathlib import Path

from tests_common.test_utils.version_compat import AIRFLOW_V_3_0_PLUS

if AIRFLOW_V_3_0_PLUS:
    from airflow.sdk import task
else:
    # Airflow 2 path
    from airflow.decorators import task  # type: ignore[attr-defined,no-redef]
from airflow.models.dag import DAG
from airflow.providers.amazon.aws.hooks.s3 import S3Hook
from airflow.providers.amazon.aws.operators.s3 import S3CreateBucketOperator, S3DeleteBucketOperator
from airflow.providers.google.cloud.hooks.gcs import GCSHook
from airflow.providers.google.cloud.operators.gcs import GCSCreateBucketOperator, GCSDeleteBucketOperator
from airflow.providers.google.cloud.transfers.s3_to_gcs import S3ToGCSOperator
from airflow.utils.trigger_rule import TriggerRule

from system.google import DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
from system.openlineage.operator import OpenLineageTestOperator

[docs] ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID", "default")
[docs] GCP_PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT") or DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
[docs] DAG_ID = "example_s3_to_gcs"
[docs] RESOURCES_BUCKET_NAME = "airflow-system-tests-resources"
[docs] BUCKET_NAME = f"bucket_{DAG_ID}_{ENV_ID}".replace("_", "-")
[docs] GCS_BUCKET_URL = f"gs://{BUCKET_NAME}/"
[docs] FILE_NAME = "example_upload.txt"
[docs] UPLOAD_FILE = f"gcs/{FILE_NAME}"
[docs] PREFIX = "gcs"
@task(task_id="upload_file_to_s3")
[docs] def upload_file(): """A callable to upload file from GCS to AWS bucket""" gcs_hook = GCSHook() s3_hook = S3Hook() with gcs_hook.provide_file(bucket_name=RESOURCES_BUCKET_NAME, object_name=UPLOAD_FILE) as gcs_file: s3_hook.load_file_obj(file_obj=gcs_file, key=UPLOAD_FILE, bucket_name=BUCKET_NAME)
with DAG( DAG_ID, schedule="@once", start_date=datetime(2021, 1, 1), catchup=False, tags=["example", "s3"], ) as dag:
[docs] create_s3_bucket = S3CreateBucketOperator( task_id="create_s3_bucket", bucket_name=BUCKET_NAME, region_name="us-east-1" )
create_gcs_bucket = GCSCreateBucketOperator( task_id="create_bucket", bucket_name=BUCKET_NAME, project_id=GCP_PROJECT_ID, ) # [START howto_transfer_s3togcs_operator] transfer_to_gcs = S3ToGCSOperator( task_id="s3_to_gcs_task", bucket=BUCKET_NAME, prefix=PREFIX, dest_gcs=GCS_BUCKET_URL, apply_gcs_prefix=True, ) # [END howto_transfer_s3togcs_operator] # [START howto_transfer_s3togcs_operator_async] transfer_to_gcs_def = S3ToGCSOperator( task_id="s3_to_gcs_task_def", bucket=BUCKET_NAME, prefix=PREFIX, dest_gcs=GCS_BUCKET_URL, deferrable=True, ) # [END howto_transfer_s3togcs_operator_async] delete_s3_bucket = S3DeleteBucketOperator( task_id="delete_s3_bucket", bucket_name=BUCKET_NAME, force_delete=True, trigger_rule=TriggerRule.ALL_DONE, ) delete_gcs_bucket = GCSDeleteBucketOperator( task_id="delete_gcs_bucket", bucket_name=BUCKET_NAME, trigger_rule=TriggerRule.ALL_DONE ) check_openlineage_events = OpenLineageTestOperator( task_id="check_openlineage_events", file_path=str(Path(__file__).parent / "resources" / "openlineage" / "s3_to_gcs.json"), ) ( # TEST SETUP create_gcs_bucket >> create_s3_bucket >> upload_file() # TEST BODY >> [transfer_to_gcs, transfer_to_gcs_def] # TEST TEARDOWN >> delete_s3_bucket >> delete_gcs_bucket >> check_openlineage_events ) from tests_common.test_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_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)

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