IceS2 c522f14178
MINOR: Refactor output_handlers to a WorkflowOutputHandler class (#17149)
* Refactor output_handlers to a WorkflowOutputHandler class

* Add old methods as deprecated to avoid breaking changes

* Extract WorkflowInitErrorHandler from workflow_output_handler

* Fix static checks

* Fix tests

* Fix tests

* Update code based on comments from PR

* Update comment
2024-07-29 09:20:34 +02:00

105 lines
3.5 KiB
Python

# Copyright 2021 Collate
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Generic Workflow entrypoint to execute Applications
"""
import json
from airflow import DAG
from openmetadata_managed_apis.utils.logger import set_operator_logger
from openmetadata_managed_apis.workflows.ingestion.common import (
build_dag,
build_workflow_config_property,
)
from metadata.generated.schema.entity.applications.configuration.applicationConfig import (
AppConfig,
PrivateConfig,
)
from metadata.generated.schema.entity.services.ingestionPipelines.ingestionPipeline import (
IngestionPipeline,
)
from metadata.generated.schema.metadataIngestion.application import (
OpenMetadataApplicationConfig,
)
from metadata.generated.schema.metadataIngestion.applicationPipeline import (
ApplicationPipeline,
)
from metadata.workflow.application import ApplicationWorkflow
def application_workflow(workflow_config: OpenMetadataApplicationConfig):
"""
Task that creates and runs the ingestion workflow.
The workflow_config gets cooked form the incoming
ingestionPipeline.
This is the callable used to create the PythonOperator
"""
set_operator_logger(workflow_config)
config = json.loads(workflow_config.model_dump_json(exclude_defaults=False))
workflow = ApplicationWorkflow.create(config)
workflow.execute()
workflow.raise_from_status()
workflow.print_status()
workflow.stop()
def build_application_workflow_config(
ingestion_pipeline: IngestionPipeline,
) -> OpenMetadataApplicationConfig:
"""
Given an airflow_pipeline, prepare the workflow config JSON
"""
# Here we have an application pipeline, so the Source Config is of type ApplicationPipeline
application_pipeline_conf: ApplicationPipeline = (
ingestion_pipeline.sourceConfig.config
)
application_workflow_config = OpenMetadataApplicationConfig(
sourcePythonClass=application_pipeline_conf.sourcePythonClass,
# We pass the generic class and let each app cast the actual object
appConfig=AppConfig(
root=application_pipeline_conf.appConfig.root,
)
if application_pipeline_conf.appConfig
else None,
appPrivateConfig=PrivateConfig(
root=application_pipeline_conf.appPrivateConfig.root
)
if application_pipeline_conf.appPrivateConfig
else None,
workflowConfig=build_workflow_config_property(ingestion_pipeline),
ingestionPipelineFQN=ingestion_pipeline.fullyQualifiedName.root,
)
return application_workflow_config
def build_application_dag(ingestion_pipeline: IngestionPipeline) -> DAG:
"""
Build a simple metadata workflow DAG
"""
application_workflow_config = build_application_workflow_config(ingestion_pipeline)
dag = build_dag(
task_name="application_task",
ingestion_pipeline=ingestion_pipeline,
workflow_config=application_workflow_config,
workflow_fn=application_workflow,
)
return dag