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

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from __future__ import annotations

import os
from datetime import datetime
from pathlib import Path

from airflow.decorators import task
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.operators.gcs import GCSCreateBucketOperator, GCSDeleteBucketOperator
from airflow.providers.google.cloud.transfers.s3_to_gcs import S3ToGCSOperator
from airflow.utils.trigger_rule import TriggerRule

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]GCP_PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT")
[docs]DAG_ID = "example_s3_to_gcs"
[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 = str(Path(__file__).parent / "resources" / FILE_NAME)
[docs]PREFIX = "TESTS"
@task(task_id="upload_file_to_s3")
[docs]def upload_file(): """A callable to upload file to AWS bucket""" s3_hook = S3Hook() s3_hook.load_file(filename=UPLOAD_FILE, key=PREFIX, 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] 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 ) ( # TEST SETUP create_gcs_bucket >> create_s3_bucket >> upload_file() # TEST BODY >> transfer_to_gcs # TEST TEARDOWN >> delete_s3_bucket >> delete_gcs_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/README.md#run_via_pytest)
[docs]test_run = get_test_run(dag)

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