Source code for tests.system.providers.google.cloud.cloud_build.example_cloud_build

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"""
Example Airflow DAG that displays interactions with Google Cloud Build.
"""
from __future__ import annotations

import os
from datetime import datetime
from pathlib import Path
from typing import Any, cast

import yaml

from airflow.decorators import task_group
from airflow.models.dag import DAG
from airflow.models.xcom_arg import XComArg
from airflow.operators.bash import BashOperator
from airflow.providers.google.cloud.operators.cloud_build import (
    CloudBuildCancelBuildOperator,
    CloudBuildCreateBuildOperator,
    CloudBuildGetBuildOperator,
    CloudBuildListBuildsOperator,
    CloudBuildRetryBuildOperator,
)

[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT")
[docs]DAG_ID = "example_gcp_cloud_build"
[docs]GCP_SOURCE_ARCHIVE_URL = "gs://airflow-system-tests-resources/cloud-build/file.tar.gz"
# Repository with this name is expected created within the project $SYSTEM_TESTS_GCP_PROJECT # If you'd like to run this system test locally, please # 1. Create Cloud Source Repository # 2. Push into a master branch the following file: # tests/system/providers/google/cloud/cloud_build/resources/example_cloud_build.yaml
[docs]GCP_SOURCE_REPOSITORY_NAME = "test-cloud-build-repo"
[docs]CURRENT_FOLDER = Path(__file__).parent
# [START howto_operator_gcp_create_build_from_storage_body]
[docs]CREATE_BUILD_FROM_STORAGE_BODY = { "source": {"storage_source": GCP_SOURCE_ARCHIVE_URL}, "steps": [{"name": "ubuntu", "args": ["echo", "Hello world"]}], }
# [END howto_operator_gcp_create_build_from_storage_body] # [START howto_operator_create_build_from_repo_body]
[docs]CREATE_BUILD_FROM_REPO_BODY: dict[str, Any] = { "source": {"repo_source": {"repo_name": GCP_SOURCE_REPOSITORY_NAME, "branch_name": "master"}}, "steps": [{"name": "ubuntu", "args": ["echo", "Hello world"]}], }
# [END howto_operator_create_build_from_repo_body] with DAG( DAG_ID, schedule="@once", start_date=datetime(2021, 1, 1), catchup=False, tags=["example"], ) as dag: @task_group(group_id="build_from_storage")
[docs] def build_from_storage(): # [START howto_operator_create_build_from_storage] create_build_from_storage = CloudBuildCreateBuildOperator( task_id="create_build_from_storage", project_id=PROJECT_ID, build=CREATE_BUILD_FROM_STORAGE_BODY, ) # [END howto_operator_create_build_from_storage] # [START howto_operator_create_build_from_storage_result] create_build_from_storage_result = BashOperator( bash_command=f"echo {cast(str, XComArg(create_build_from_storage, key='results'))}", task_id="create_build_from_storage_result", ) # [END howto_operator_create_build_from_storage_result] create_build_from_storage >> create_build_from_storage_result
@task_group(group_id="build_from_storage_deferrable") def build_from_storage_deferrable(): # [START howto_operator_create_build_from_storage_async] create_build_from_storage = CloudBuildCreateBuildOperator( task_id="create_build_from_storage", project_id=PROJECT_ID, build=CREATE_BUILD_FROM_STORAGE_BODY, deferrable=True, ) # [END howto_operator_create_build_from_storage_async] create_build_from_storage_result = BashOperator( bash_command=f"echo {cast(str, XComArg(create_build_from_storage, key='results'))}", task_id="create_build_from_storage_result", ) create_build_from_storage >> create_build_from_storage_result @task_group(group_id="build_from_repo") def build_from_repo(): # [START howto_operator_create_build_from_repo] create_build_from_repo = CloudBuildCreateBuildOperator( task_id="create_build_from_repo", project_id=PROJECT_ID, build=CREATE_BUILD_FROM_REPO_BODY, ) # [END howto_operator_create_build_from_repo] # [START howto_operator_create_build_from_repo_result] create_build_from_repo_result = BashOperator( bash_command=f"echo {cast(str, XComArg(create_build_from_repo, key='results'))}", task_id="create_build_from_repo_result", ) # [END howto_operator_create_build_from_repo_result] create_build_from_repo >> create_build_from_repo_result @task_group(group_id="build_from_repo_deferrable") def build_from_repo_deferrable(): # [START howto_operator_create_build_from_repo_async] create_build_from_repo = CloudBuildCreateBuildOperator( task_id="create_build_from_repo", project_id=PROJECT_ID, build=CREATE_BUILD_FROM_REPO_BODY, deferrable=True, ) # [END howto_operator_create_build_from_repo_async] create_build_from_repo_result = BashOperator( bash_command=f"echo {cast(str, XComArg(create_build_from_repo, key='results'))}", task_id="create_build_from_repo_result", ) create_build_from_repo >> create_build_from_repo_result # [START howto_operator_gcp_create_build_from_yaml_body] create_build_from_file = CloudBuildCreateBuildOperator( task_id="create_build_from_file", project_id=PROJECT_ID, build=yaml.safe_load((Path(CURRENT_FOLDER) / "resources" / "example_cloud_build.yaml").read_text()), params={"name": "Airflow"}, ) # [END howto_operator_gcp_create_build_from_yaml_body] # [START howto_operator_gcp_create_build_from_yaml_body_async] create_build_from_file_deferrable = CloudBuildCreateBuildOperator( task_id="create_build_from_file_deferrable", project_id=PROJECT_ID, build=yaml.safe_load((Path(CURRENT_FOLDER) / "resources" / "example_cloud_build.yaml").read_text()), params={"name": "Airflow"}, deferrable=True, ) # [END howto_operator_gcp_create_build_from_yaml_body_async] # [START howto_operator_list_builds] list_builds = CloudBuildListBuildsOperator( task_id="list_builds", project_id=PROJECT_ID, location="global", ) # [END howto_operator_list_builds] @task_group(group_id="no_wait_cancel_retry_get") def no_wait_cancel_retry_get(): # [START howto_operator_create_build_without_wait] create_build_without_wait = CloudBuildCreateBuildOperator( task_id="create_build_without_wait", project_id=PROJECT_ID, build=CREATE_BUILD_FROM_REPO_BODY, wait=False, ) # [END howto_operator_create_build_without_wait] # [START howto_operator_cancel_build] cancel_build = CloudBuildCancelBuildOperator( task_id="cancel_build", id_=cast(str, XComArg(create_build_without_wait, key="id")), project_id=PROJECT_ID, ) # [END howto_operator_cancel_build] # [START howto_operator_retry_build] retry_build = CloudBuildRetryBuildOperator( task_id="retry_build", id_=cast(str, XComArg(cancel_build, key="id")), project_id=PROJECT_ID, ) # [END howto_operator_retry_build] # [START howto_operator_get_build] get_build = CloudBuildGetBuildOperator( task_id="get_build", id_=cast(str, XComArg(retry_build, key="id")), project_id=PROJECT_ID, ) # [END howto_operator_get_build] create_build_without_wait >> cancel_build >> retry_build >> get_build @task_group(group_id="no_wait_cancel_retry_get_deferrable") def no_wait_cancel_retry_get_deferrable(): # [START howto_operator_create_build_without_wait_async] create_build_without_wait = CloudBuildCreateBuildOperator( task_id="create_build_without_wait", project_id=PROJECT_ID, build=CREATE_BUILD_FROM_REPO_BODY, wait=False, deferrable=True, ) # [END howto_operator_create_build_without_wait_async] cancel_build = CloudBuildCancelBuildOperator( task_id="cancel_build", id_=cast(str, XComArg(create_build_without_wait, key="id")), project_id=PROJECT_ID, ) retry_build = CloudBuildRetryBuildOperator( task_id="retry_build", id_=cast(str, XComArg(cancel_build, key="id")), project_id=PROJECT_ID, ) get_build = CloudBuildGetBuildOperator( task_id="get_build", id_=cast(str, XComArg(retry_build, key="id")), project_id=PROJECT_ID, ) create_build_without_wait >> cancel_build >> retry_build >> get_build # TEST BODY ( [ build_from_storage(), build_from_storage_deferrable(), build_from_repo(), build_from_repo_deferrable(), create_build_from_file, create_build_from_file_deferrable, ] >> list_builds >> [ no_wait_cancel_retry_get(), no_wait_cancel_retry_get_deferrable(), ] ) 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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