Source code for tests.system.providers.google.cloud.dataproc_metastore.example_dataproc_metastore_backup

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"""
Airflow System Test DAG that verifies Dataproc Metastore
operators for managing backups.
"""
from __future__ import annotations

import datetime
import os

from airflow import models
from airflow.providers.google.cloud.operators.dataproc_metastore import (
    DataprocMetastoreCreateBackupOperator,
    DataprocMetastoreCreateServiceOperator,
    DataprocMetastoreDeleteBackupOperator,
    DataprocMetastoreDeleteServiceOperator,
    DataprocMetastoreListBackupsOperator,
    DataprocMetastoreRestoreServiceOperator,
)
from airflow.utils.trigger_rule import TriggerRule

[docs]DAG_ID = "dataproc_metastore_backup"
[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT", "")
[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]SERVICE_ID = f"{DAG_ID}-service-{ENV_ID}".replace("_", "-")
[docs]BACKUP_ID = f"{DAG_ID}-backup-{ENV_ID}".replace("_", "-")
[docs]REGION = "europe-west1"
[docs]TIMEOUT = 1200
# Service definition
[docs]SERVICE = { "name": "test-service",
} # Backup definition # [START how_to_cloud_dataproc_metastore_create_backup]
[docs]BACKUP = { "name": "test-backup",
} # [END how_to_cloud_dataproc_metastore_create_backup] with models.DAG( DAG_ID, start_date=datetime.datetime(2021, 1, 1), schedule="@once", catchup=False, tags=["example", "dataproc", "metastore"], ) as dag:
[docs] create_service = DataprocMetastoreCreateServiceOperator( task_id="create_service", region=REGION, project_id=PROJECT_ID, service=SERVICE, service_id=SERVICE_ID, timeout=TIMEOUT,
) # [START how_to_cloud_dataproc_metastore_create_backup_operator] backup_service = DataprocMetastoreCreateBackupOperator( task_id="create_backup", project_id=PROJECT_ID, region=REGION, service_id=SERVICE_ID, backup=BACKUP, backup_id=BACKUP_ID, timeout=TIMEOUT, ) # [END how_to_cloud_dataproc_metastore_create_backup_operator] # [START how_to_cloud_dataproc_metastore_list_backups_operator] list_backups = DataprocMetastoreListBackupsOperator( task_id="list_backups", project_id=PROJECT_ID, region=REGION, service_id=SERVICE_ID, ) # [END how_to_cloud_dataproc_metastore_list_backups_operator] # [START how_to_cloud_dataproc_metastore_delete_backup_operator] delete_backup = DataprocMetastoreDeleteBackupOperator( task_id="delete_backup", project_id=PROJECT_ID, region=REGION, service_id=SERVICE_ID, backup_id=BACKUP_ID, timeout=TIMEOUT, ) # [END how_to_cloud_dataproc_metastore_delete_backup_operator] delete_backup.trigger_rule = TriggerRule.ALL_DONE # [START how_to_cloud_dataproc_metastore_restore_service_operator] restore_service = DataprocMetastoreRestoreServiceOperator( task_id="restore_metastore", region=REGION, project_id=PROJECT_ID, service_id=SERVICE_ID, backup_id=BACKUP_ID, backup_region=REGION, backup_project_id=PROJECT_ID, backup_service_id=SERVICE_ID, timeout=TIMEOUT, ) # [END how_to_cloud_dataproc_metastore_restore_service_operator] delete_service = DataprocMetastoreDeleteServiceOperator( task_id="delete_service", region=REGION, project_id=PROJECT_ID, service_id=SERVICE_ID, timeout=TIMEOUT, trigger_rule=TriggerRule.ALL_DONE, ) (create_service >> backup_service >> list_backups >> restore_service >> delete_backup >> delete_service) 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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