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from __future__ import annotations
import json
import logging
import os
from datetime import datetime
from typing import Any
from airflow.models.dag import DAG
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.providers.google.cloud.operators.gcs import GCSCreateBucketOperator, GCSDeleteBucketOperator
from airflow.providers.google.cloud.transfers.gcs_to_gcs import GCSToGCSOperator
from airflow.providers.google.cloud.transfers.gdrive_to_gcs import GoogleDriveToGCSOperator
from airflow.providers.google.common.utils.get_secret import get_secret
from airflow.providers.google.suite.hooks.drive import GoogleDriveHook
from airflow.providers.google.suite.sensors.drive import GoogleDriveFileExistenceSensor
from airflow.providers.google.suite.transfers.gcs_to_gdrive import GCSToGoogleDriveOperator
try:
from airflow.sdk import TriggerRule
except ImportError:
# Compatibility for Airflow < 3.1
from airflow.utils.trigger_rule import TriggerRule # type: ignore[no-redef,attr-defined]
from system.google import DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
from system.google.gcp_api_client_helpers import create_airflow_connection, delete_airflow_connection
ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID", "default")
PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT") or DEFAULT_GCP_SYSTEM_TEST_PROJECT_ID
DAG_ID = "gdrive_to_gcs_with_gdrive_sensor"
IS_COMPOSER = bool(os.environ.get("COMPOSER_ENVIRONMENT", ""))
RESOURCES_BUCKET_NAME = "airflow-system-tests-resources"
BUCKET_NAME = f"bucket_{DAG_ID}_{ENV_ID}"
CONNECTION_ID = f"connection_{DAG_ID}_{ENV_ID}"
OBJECT = "abc123xyz"
FILE_NAME = "example_upload.txt"
DRIVE_FILE_NAME = f"example_upload_{DAG_ID}_{ENV_ID}.txt"
LOCAL_PATH = f"gcs/{FILE_NAME}"
GDRIVE_SECRET_ID = "gdrive_shared_folder_id"
log = logging.getLogger(__name__)
with DAG(
DAG_ID,
schedule="@once",
start_date=datetime(2021, 1, 1),
catchup=False,
tags=["example", "gcs", "gdrive"],
) as dag:
@task
def get_shared_drive_id() -> str:
return get_secret(secret_id=GDRIVE_SECRET_ID).strip()
get_shared_drive_id_task = get_shared_drive_id()
@task
def create_connection(connection_id: str):
conn_extra_json = json.dumps(
{"scope": "https://www.googleapis.com/auth/drive,https://www.googleapis.com/auth/cloud-platform"}
)
connection: dict[str, Any] = {"conn_type": "google_cloud_platform", "extra": conn_extra_json}
create_airflow_connection(
connection_id=connection_id,
connection_conf=connection,
is_composer=IS_COMPOSER,
)
create_connection_task = create_connection(connection_id=CONNECTION_ID)
create_bucket = GCSCreateBucketOperator(
task_id="create_bucket", bucket_name=BUCKET_NAME, project_id=PROJECT_ID
)
upload_file = GCSToGCSOperator(
task_id="upload_file",
source_bucket=RESOURCES_BUCKET_NAME,
source_object=LOCAL_PATH,
destination_bucket=BUCKET_NAME,
destination_object=FILE_NAME,
exact_match=True,
)
copy_single_file = GCSToGoogleDriveOperator(
task_id="copy_single_file",
gcp_conn_id=CONNECTION_ID,
source_bucket=BUCKET_NAME,
source_object=FILE_NAME,
destination_object=DRIVE_FILE_NAME,
destination_folder_id=get_shared_drive_id_task,
)
# [START detect_file]
detect_file = GoogleDriveFileExistenceSensor(
task_id="detect_file",
folder_id=get_shared_drive_id_task,
file_name=DRIVE_FILE_NAME,
drive_id=get_shared_drive_id_task,
gcp_conn_id=CONNECTION_ID,
)
# [END detect_file]
# [START upload_gdrive_to_gcs]
upload_gdrive_to_gcs = GoogleDriveToGCSOperator(
task_id="upload_gdrive_object_to_gcs",
gcp_conn_id=CONNECTION_ID,
folder_id=get_shared_drive_id_task,
drive_id=get_shared_drive_id_task,
file_name=DRIVE_FILE_NAME,
bucket_name=BUCKET_NAME,
object_name=OBJECT,
)
# [END upload_gdrive_to_gcs]
@task(trigger_rule=TriggerRule.ALL_DONE)
def remove_files_from_drive(**context):
ti = context["ti"]
service = GoogleDriveHook(gcp_conn_id=CONNECTION_ID).get_conn()
response = (
service.files()
.list(
q=f"name = '{DRIVE_FILE_NAME}'",
corpora="drive",
driveId=ti.xcom_pull("get_shared_drive_id"),
includeItemsFromAllDrives=True,
supportsAllDrives=True,
)
.execute()
)
if files := response["files"]:
file = files[0]
log.info("Trashing file %s...", file["name"])
service.files().update(
fileId=file["id"], body={"trashed": True}, supportsAllDrives=True
).execute()
log.info("Done.")
remove_files_from_drive_task = remove_files_from_drive()
delete_bucket = GCSDeleteBucketOperator(
task_id="delete_bucket", bucket_name=BUCKET_NAME, trigger_rule=TriggerRule.ALL_DONE
)
@task(task_id="delete_connection")
def delete_connection(connection_id: str) -> None:
delete_airflow_connection(connection_id=connection_id, is_composer=IS_COMPOSER)
delete_connection_task = delete_connection(connection_id=CONNECTION_ID)
(
[get_shared_drive_id_task >> create_bucket >> upload_file, create_connection_task]
>> copy_single_file
# TEST BODY
>> detect_file
>> upload_gdrive_to_gcs
# TEST TEARDOWN
>> remove_files_from_drive_task
>> [delete_bucket, delete_connection_task]
)
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: contributing-docs/testing/system_tests.rst)
test_run = get_test_run(dag)