Source code for tests.system.providers.google.cloud.composer.example_cloud_composer

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from __future__ import annotations

import os
from datetime import datetime

from airflow.models.baseoperator import chain
from airflow.models.dag import DAG
from airflow.providers.google.cloud.operators.cloud_composer import (
    CloudComposerCreateEnvironmentOperator,
    CloudComposerDeleteEnvironmentOperator,
    CloudComposerGetEnvironmentOperator,
    CloudComposerListEnvironmentsOperator,
    CloudComposerListImageVersionsOperator,
    CloudComposerUpdateEnvironmentOperator,
)
from airflow.utils.trigger_rule import TriggerRule

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID", "default")
[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT", "default")
[docs]DAG_ID = "example_composer"
[docs]REGION = "us-central1"
# [START howto_operator_composer_simple_environment]
[docs]ENVIRONMENT_ID = f"test-{DAG_ID}-{ENV_ID}".replace("_", "-")
[docs]ENVIRONMENT_ID_ASYNC = f"test-deferrable-{DAG_ID}-{ENV_ID}".replace("_", "-")
[docs]ENVIRONMENT = { "config": { "software_config": {"image_version": "composer-2.5.0-airflow-2.5.3"}, } }
# [END howto_operator_composer_simple_environment] # [START howto_operator_composer_update_environment]
[docs]UPDATED_ENVIRONMENT = { "labels": { "label": "testing", } }
[docs]UPDATE_MASK = {"paths": ["labels.label"]}
# [END howto_operator_composer_update_environment] with DAG( DAG_ID, schedule="@once", start_date=datetime(2021, 1, 1), catchup=False, tags=["example", "composer"], ) as dag: # [START howto_operator_composer_image_list]
[docs] image_versions = CloudComposerListImageVersionsOperator( task_id="image_versions", project_id=PROJECT_ID, region=REGION, )
# [END howto_operator_composer_image_list] # [START howto_operator_create_composer_environment] create_env = CloudComposerCreateEnvironmentOperator( task_id="create_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID, environment=ENVIRONMENT, ) # [END howto_operator_create_composer_environment] # [START howto_operator_create_composer_environment_deferrable_mode] defer_create_env = CloudComposerCreateEnvironmentOperator( task_id="defer_create_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID_ASYNC, environment=ENVIRONMENT, deferrable=True, ) # [END howto_operator_create_composer_environment_deferrable_mode] # [START howto_operator_list_composer_environments] list_envs = CloudComposerListEnvironmentsOperator( task_id="list_envs", project_id=PROJECT_ID, region=REGION ) # [END howto_operator_list_composer_environments] # [START howto_operator_get_composer_environment] get_env = CloudComposerGetEnvironmentOperator( task_id="get_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID, ) # [END howto_operator_get_composer_environment] # [START howto_operator_update_composer_environment] update_env = CloudComposerUpdateEnvironmentOperator( task_id="update_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID, update_mask=UPDATE_MASK, environment=UPDATED_ENVIRONMENT, ) # [END howto_operator_update_composer_environment] # [START howto_operator_update_composer_environment_deferrable_mode] defer_update_env = CloudComposerUpdateEnvironmentOperator( task_id="defer_update_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID_ASYNC, update_mask=UPDATE_MASK, environment=UPDATED_ENVIRONMENT, deferrable=True, ) # [END howto_operator_update_composer_environment_deferrable_mode] # [START howto_operator_delete_composer_environment] delete_env = CloudComposerDeleteEnvironmentOperator( task_id="delete_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID, ) # [END howto_operator_delete_composer_environment] delete_env.trigger_rule = TriggerRule.ALL_DONE # [START howto_operator_delete_composer_environment_deferrable_mode] defer_delete_env = CloudComposerDeleteEnvironmentOperator( task_id="defer_delete_env", project_id=PROJECT_ID, region=REGION, environment_id=ENVIRONMENT_ID_ASYNC, deferrable=True, ) # [END howto_operator_delete_composer_environment_deferrable_mode] defer_delete_env.trigger_rule = TriggerRule.ALL_DONE chain( image_versions, [create_env, defer_create_env], list_envs, get_env, [update_env, defer_update_env], [delete_env, defer_delete_env], ) 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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