mik-laj commented on a change in pull request #5539: [AIRFLOW-4811] Implement GCP DLP' Hook and Operators URL: https://github.com/apache/airflow/pull/5539#discussion_r308455400
########## File path: airflow/contrib/hooks/gcp_dlp_hook.py ########## @@ -0,0 +1,1760 @@ +# -*- coding: utf-8 -*- +# +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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. + +""" +This module contains a CloudDLPHook +which allows you to connect to GCP Cloud DLP service. +""" + +import re +import time +from google.cloud.dlp_v2 import DlpServiceClient +from google.cloud.dlp_v2.types import DlpJob + +from airflow import AirflowException +from airflow.contrib.hooks.gcp_api_base_hook import GoogleCloudBaseHook + +DLP_JOB_PATH_PATTERN = '^projects/[^/]+/dlpJobs/(?P<job>.*?)$' +# Time to sleep between active checks of the operation results +TIME_TO_SLEEP_IN_SECONDS = 1 + + +# pylint: disable=R0904, C0302 +class CloudDLPHook(GoogleCloudBaseHook): + """ + Hook for Google Cloud Data Loss Prevention (DLP) APIs. + Cloud DLP allows clients to detect the presence of Personally Identifiable + Information (PII) and other privacy-sensitive data in user-supplied, + unstructured data streams, like text blocks or images. The service also + includes methods for sensitive data redaction and scheduling of data scans + on Google Cloud Platform based data sets. + + :param gcp_conn_id: The connection ID to use when fetching connection info. + :type gcp_conn_id: str + :param delegate_to: The account to impersonate, if any. + For this to work, the service account making the request must have + domain-wide delegation enabled. + :type delegate_to: str + """ + + def __init__(self, + gcp_conn_id="google_cloud_default", + delegate_to=None): + super().__init__(gcp_conn_id, delegate_to) + self._client = None + + def get_conn(self): + """ + Provides a client for interacting with the Cloud DLP API. + + :return: GCP Cloud DLP API Client + :rtype: google.cloud.dlp_v2.DlpServiceClient + """ + if not self._client: + self._client = DlpServiceClient(credentials=self._get_credentials()) + return self._client + + @GoogleCloudBaseHook.catch_http_exception + @GoogleCloudBaseHook.fallback_to_default_project_id + def cancel_dlp_job( + self, dlp_job_id, project_id=None, retry=None, timeout=None, metadata=None + ): + """ + Starts asynchronous cancellation on a long-running DLP job. + + :param dlp_job_id: ID of the DLP job resource to be cancelled. + :type dlp_job_id: str + :param project_id: (Optional) Google Cloud Platform project ID where the + DLP Instance exists. If set to None or missing, the default project_id + from the GCP connection is used. + :type project_id: str + :param retry: (Optional) A retry object used to retry requests. + If None is specified, requests will not be retried. + :type retry: google.api_core.retry.Retry + :param timeout: (Optional) The amount of time, in seconds, to wait for the request + to complete. Note that if retry is specified, the timeout applies to each + individual attempt. + :type timeout: float + :param metadata: (Optional) Additional metadata that is provided to the method. + :type metadata: sequence[tuple[str, str]]] + """ + + client = self.get_conn() + + if not dlp_job_id: + raise AirflowException( + "Please provide the ID of the DLP job resource to be cancelled." + ) + + name = DlpServiceClient.dlp_job_path(project_id, dlp_job_id) + client.cancel_dlp_job( + name=name, retry=retry, timeout=timeout, metadata=metadata + ) + + @GoogleCloudBaseHook.catch_http_exception + def create_deidentify_template( + self, + organization_id=None, + project_id=None, + deidentify_template=None, + template_id=None, + retry=None, + timeout=None, + metadata=None, + ): + """ + Creates a deidentify template for re-using frequently used configuration for + de-identifying content, images, and storage. + + :param organization_id: (Optional) The organization ID. Required to set this + field if parent resource is an organzation. + :type organization_id: str + :param project_id: (Optional) Google Cloud Platform project ID where the + DLP Instance exists. Only set this field if the parent resource is + a project instead of an organzation. + :type project_id: str + :param deidentify_template: (Optional) The deidentify template to create. + :type deidentify_template: dict or google.cloud.dlp_v2.types.DeidentifyTemplate + :param template_id: (Optional) The template ID. + :type template_id: str + :param retry: (Optional) A retry object used to retry requests. + If None is specified, requests will not be retried. + :type retry: google.api_core.retry.Retry + :param timeout: (Optional) The amount of time, in seconds, to wait for the request + to complete. Note that if retry is specified, the timeout applies to each + individual attempt. + :type timeout: float + :param metadata: (Optional) Additional metadata that is provided to the method. + :type metadata: sequence[tuple[str, str]]] + :rtype: google.cloud.dlp_v2.types.DeidentifyTemplate + """ + + client = self.get_conn() + + if organization_id: + parent = DlpServiceClient.organization_path(organization_id) + elif project_id: + parent = DlpServiceClient.project_path(project_id) + else: + raise AirflowException( + "Please provide either organization_id or project_id." + ) + + return client.create_deidentify_template( + parent=parent, + deidentify_template=deidentify_template, + template_id=template_id, + retry=retry, + timeout=timeout, + metadata=metadata, + ) + + @GoogleCloudBaseHook.catch_http_exception + @GoogleCloudBaseHook.fallback_to_default_project_id + def create_dlp_job( + self, + project_id=None, + inspect_job=None, + risk_job=None, + job_id=None, + retry=None, + timeout=None, + metadata=None, + wait_until_finished=True + ): + """ + Creates a new job to inspect storage or calculate risk metrics. + + :param project_id: (Optional) Google Cloud Platform project ID where the Review comment: The current code reads the project only from the parameters. 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