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[GitHub] jakahn commented on a change in pull request #3677: [AIRFLOW-2826] Add GoogleCloudKMSHook


jakahn commented on a change in pull request #3677: [AIRFLOW-2826] Add GoogleCloudKMSHook
URL: https://github.com/apache/incubator-airflow/pull/3677#discussion_r207362702
 
 

 ##########
 File path: airflow/contrib/hooks/gcp_kms_hook.py
 ##########
 @@ -0,0 +1,106 @@
+# -*- 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.
+#
+
+import base64
+
+from airflow.contrib.hooks.gcp_api_base_hook import GoogleCloudBaseHook
+
+from apiclient.discovery import build
+
+
+def _b64encode(s):
+    """ Base 64 encodes a python 2 or 3 string. """
+    return base64.b64encode(s.encode('utf-8')).decode('ascii')
+
+
+def _b64decode(s):
+    """ Base 64 decodes a python 2 or 3 string. """
+    return base64.b64decode(s.encode('utf-8')).decode('ascii')
+
+
+class GoogleCloudKMSHook(GoogleCloudBaseHook):
+    """
+    Interact with Google Cloud KMS. This hook uses the Google Cloud Platform
+    connection.
+    """
+
+    def __init__(self, gcp_conn_id='google_cloud_default', delegate_to=None):
+        super(GoogleCloudKMSHook, self).__init__(gcp_conn_id, delegate_to=delegate_to)
+
+    def get_conn(self):
+        """
+        Returns a KMS service object.
+
+        :rtype: apiclient.discovery.Resource
+        """
+        http_authorized = self._authorize()
+        return build(
+            'cloudkms', 'v1', http=http_authorized, cache_discovery=False)
+
+    def encrypt(self, key_name, plaintext, authenticated_data=None):
 
 Review comment:
   Done

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