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# to you under the Apache License, Version 2.0 (the
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#
# http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations
import os
from datetime import datetime
from typing import cast
from google.cloud.datacatalog import TagField, TagTemplateField
from airflow import models
from airflow.models.xcom_arg import XComArg
from airflow.operators.bash import BashOperator
from airflow.providers.google.cloud.operators.datacatalog import (
CloudDataCatalogCreateEntryGroupOperator,
CloudDataCatalogCreateEntryOperator,
CloudDataCatalogCreateTagOperator,
CloudDataCatalogCreateTagTemplateOperator,
CloudDataCatalogDeleteEntryGroupOperator,
CloudDataCatalogDeleteEntryOperator,
CloudDataCatalogDeleteTagOperator,
CloudDataCatalogDeleteTagTemplateOperator,
CloudDataCatalogSearchCatalogOperator,
)
from airflow.providers.google.cloud.operators.gcs import GCSCreateBucketOperator, GCSDeleteBucketOperator
from airflow.utils.trigger_rule import TriggerRule
[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT")
[docs]DAG_ID = "datacatalog_search_catalog"
[docs]BUCKET_NAME = f"bucket_{DAG_ID}_{ENV_ID}"
[docs]LOCATION = "us-central1"
[docs]ENTRY_GROUP_ID = f"id_{DAG_ID}_{ENV_ID}"
[docs]ENTRY_GROUP_NAME = f"name {DAG_ID} {ENV_ID}"
[docs]ENTRY_ID = "python_files"
[docs]ENTRY_NAME = "Wizard"
[docs]TEMPLATE_ID = f"template_id_search_{ENV_ID}"
[docs]TAG_TEMPLATE_DISPLAY_NAME = f"Data Catalog {DAG_ID} {ENV_ID}"
with models.DAG(
DAG_ID,
schedule="@once",
start_date=datetime(2021, 1, 1),
catchup=False,
) as dag:
[docs] create_bucket = GCSCreateBucketOperator(task_id="create_bucket", bucket_name=BUCKET_NAME)
# Create
# [START howto_operator_gcp_datacatalog_create_entry_group]
create_entry_group = CloudDataCatalogCreateEntryGroupOperator(
task_id="create_entry_group",
location=LOCATION,
entry_group_id=ENTRY_GROUP_ID,
entry_group={"display_name": ENTRY_GROUP_NAME},
)
# [END howto_operator_gcp_datacatalog_create_entry_group]
# [START howto_operator_gcp_datacatalog_create_entry_group_result]
create_entry_group_result = BashOperator(
task_id="create_entry_group_result",
bash_command=f"echo {XComArg(create_entry_group, key='entry_group_id')}",
)
# [END howto_operator_gcp_datacatalog_create_entry_group_result]
# [START howto_operator_gcp_datacatalog_create_entry_gcs]
create_entry_gcs = CloudDataCatalogCreateEntryOperator(
task_id="create_entry_gcs",
location=LOCATION,
entry_group=ENTRY_GROUP_ID,
entry_id=ENTRY_ID,
entry={
"display_name": ENTRY_NAME,
"type_": "FILESET",
"gcs_fileset_spec": {"file_patterns": [f"gs://{BUCKET_NAME}/**"]},
},
)
# [END howto_operator_gcp_datacatalog_create_entry_gcs]
# [START howto_operator_gcp_datacatalog_create_entry_gcs_result]
create_entry_gcs_result = BashOperator(
task_id="create_entry_gcs_result",
bash_command=f"echo {XComArg(create_entry_gcs, key='entry_id')}",
)
# [END howto_operator_gcp_datacatalog_create_entry_gcs_result]
# [START howto_operator_gcp_datacatalog_create_tag]
create_tag = CloudDataCatalogCreateTagOperator(
task_id="create_tag",
location=LOCATION,
entry_group=ENTRY_GROUP_ID,
entry=ENTRY_ID,
template_id=TEMPLATE_ID,
tag={"fields": {FIELD_NAME_1: TagField(string_value="example-value-string")}},
)
# [END howto_operator_gcp_datacatalog_create_tag]
tag_id = cast(str, XComArg(create_tag, key="tag_id"))
# [START howto_operator_gcp_datacatalog_create_tag_result]
create_tag_result = BashOperator(
task_id="create_tag_result",
bash_command=f"echo {tag_id}",
)
# [END howto_operator_gcp_datacatalog_create_tag_result]
# [START howto_operator_gcp_datacatalog_create_tag_template]
create_tag_template = CloudDataCatalogCreateTagTemplateOperator(
task_id="create_tag_template",
location=LOCATION,
tag_template_id=TEMPLATE_ID,
tag_template={
"display_name": TAG_TEMPLATE_DISPLAY_NAME,
"fields": {
FIELD_NAME_1: TagTemplateField(
display_name="first-field", type_=dict(primitive_type="STRING")
)
},
},
)
# [END howto_operator_gcp_datacatalog_create_tag_template]
# [START howto_operator_gcp_datacatalog_create_tag_template_result]
create_tag_template_result = BashOperator(
task_id="create_tag_template_result",
bash_command=f"echo {XComArg(create_tag_template, key='tag_template_id')}",
)
# [END howto_operator_gcp_datacatalog_create_tag_template_result]
# Search
# [START howto_operator_gcp_datacatalog_search_catalog]
search_catalog = CloudDataCatalogSearchCatalogOperator(
task_id="search_catalog", scope={"include_project_ids": [PROJECT_ID]}, query=f"projectid:{PROJECT_ID}"
)
# [END howto_operator_gcp_datacatalog_search_catalog]
# [START howto_operator_gcp_datacatalog_search_catalog_result]
search_catalog_result = BashOperator(
task_id="search_catalog_result",
bash_command=f"echo {search_catalog.output}",
)
# [END howto_operator_gcp_datacatalog_search_catalog_result]
# Delete
# [START howto_operator_gcp_datacatalog_delete_entry]
delete_entry = CloudDataCatalogDeleteEntryOperator(
task_id="delete_entry", location=LOCATION, entry_group=ENTRY_GROUP_ID, entry=ENTRY_ID
)
# [END howto_operator_gcp_datacatalog_delete_entry]
delete_entry.trigger_rule = TriggerRule.ALL_DONE
# [START howto_operator_gcp_datacatalog_delete_entry_group]
delete_entry_group = CloudDataCatalogDeleteEntryGroupOperator(
task_id="delete_entry_group", location=LOCATION, entry_group=ENTRY_GROUP_ID
)
# [END howto_operator_gcp_datacatalog_delete_entry_group]
delete_entry_group.trigger_rule = TriggerRule.ALL_DONE
# [START howto_operator_gcp_datacatalog_delete_tag]
delete_tag = CloudDataCatalogDeleteTagOperator(
task_id="delete_tag",
location=LOCATION,
entry_group=ENTRY_GROUP_ID,
entry=ENTRY_ID,
tag=tag_id,
)
# [END howto_operator_gcp_datacatalog_delete_tag]
delete_tag.trigger_rule = TriggerRule.ALL_DONE
# [START howto_operator_gcp_datacatalog_delete_tag_template]
delete_tag_template = CloudDataCatalogDeleteTagTemplateOperator(
task_id="delete_tag_template", location=LOCATION, tag_template=TEMPLATE_ID, force=True
)
# [END howto_operator_gcp_datacatalog_delete_tag_template]
delete_tag_template.trigger_rule = TriggerRule.ALL_DONE
delete_bucket = GCSDeleteBucketOperator(
task_id="delete_bucket", bucket_name=BUCKET_NAME, trigger_rule=TriggerRule.ALL_DONE
)
(
# TEST SETUP
create_bucket
# TEST BODY
>> create_entry_group
>> create_entry_group_result
>> create_entry_gcs
>> create_entry_gcs_result
>> create_tag_template
>> create_tag_template_result
>> create_tag
>> create_tag_result
>> search_catalog
>> search_catalog_result
>> delete_tag
>> delete_tag_template
>> delete_entry
>> delete_entry_group
# TEST TEARDOWN
>> delete_bucket
)
# ### Everything below this line is not part of example ###
# ### Just for system tests purpose ###
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)