[AIRFLOW-6125] [AIP-21] Rename S3 operator and SFTP operator (#7112)

PR contains changes regarding AIP-21 (renaming GCP operators and hooks):
* renamed GCP modules
* fixed tests

airflow/contrib/operators/s3_to_gcs_operator.py

@@ -26,7 +26,7 @@ from airflow.providers.amazon.aws.hooks.s3 import S3Hook
 from airflow.utils.decorators import apply_defaults
 
 
-class S3ToGoogleCloudStorageOperator(S3ListOperator):
+class S3ToGCSOperator(S3ListOperator):
     """
     Synchronizes an S3 key, possibly a prefix, with a Google Cloud Storage
     destination path.
@@ -74,7 +74,7 @@ class S3ToGoogleCloudStorageOperator(S3ListOperator):
 
     .. code-block:: python
 
-       s3_to_gcs_op = S3ToGoogleCloudStorageOperator(
+       s3_to_gcs_op = S3ToGCSOperator(
             task_id='s3_to_gcs_example',
             bucket='my-s3-bucket',
             prefix='data/customers-201804',

airflow/providers/google/cloud/example_dags/example_sftp_to_gcs.py

@@ -23,7 +23,7 @@ Example Airflow DAG for Google Cloud Storage to SFTP transfer operators.
 import os
 
 from airflow import models
-from airflow.providers.google.cloud.operators.sftp_to_gcs import SFTPToGoogleCloudStorageOperator
+from airflow.providers.google.cloud.operators.sftp_to_gcs import SFTPToGCSOperator
 from airflow.utils.dates import days_ago
 
 default_args = {"start_date": days_ago(1)}
@@ -43,7 +43,7 @@ with models.DAG(
     "example_sftp_to_gcs", default_args=default_args, schedule_interval=None
 ) as dag:
     # [START howto_operator_sftp_to_gcs_copy_single_file]
-    copy_file_from_sftp_to_gcs = SFTPToGoogleCloudStorageOperator(
+    copy_file_from_sftp_to_gcs = SFTPToGCSOperator(
         task_id="file-copy-sftp-to-gcs",
         source_path=os.path.join(TMP_PATH, DIR, OBJECT_SRC_1),
         destination_bucket=BUCKET_SRC,
@@ -51,7 +51,7 @@ with models.DAG(
     # [END howto_operator_sftp_to_gcs_copy_single_file]
 
     # [START howto_operator_sftp_to_gcs_move_single_file_destination]
-    move_file_from_sftp_to_gcs_destination = SFTPToGoogleCloudStorageOperator(
+    move_file_from_sftp_to_gcs_destination = SFTPToGCSOperator(
         task_id="file-move-sftp-to-gcs-destination",
         source_path=os.path.join(TMP_PATH, DIR, OBJECT_SRC_2),
         destination_bucket=BUCKET_SRC,
@@ -61,7 +61,7 @@ with models.DAG(
     # [END howto_operator_sftp_to_gcs_move_single_file_destination]
 
     # [START howto_operator_sftp_to_gcs_copy_directory]
-    copy_directory_from_sftp_to_gcs = SFTPToGoogleCloudStorageOperator(
+    copy_directory_from_sftp_to_gcs = SFTPToGCSOperator(
         task_id="dir-copy-sftp-to-gcs",
         source_path=os.path.join(TMP_PATH, DIR, SUBDIR, "*"),
         destination_bucket=BUCKET_SRC,
@@ -69,7 +69,7 @@ with models.DAG(
     # [END howto_operator_sftp_to_gcs_copy_directory]
 
     # [START howto_operator_sftp_to_gcs_move_specific_files]
-    move_specific_files_from_gcs_to_sftp = SFTPToGoogleCloudStorageOperator(
+    move_specific_files_from_gcs_to_sftp = SFTPToGCSOperator(
         task_id="dir-move-specific-files-sftp-to-gcs",
         source_path=os.path.join(TMP_PATH, DIR, SUBDIR, "*.bin"),
         destination_bucket=BUCKET_SRC,

airflow/providers/google/cloud/operators/sftp_to_gcs.py

@@ -31,13 +31,13 @@ from airflow.utils.decorators import apply_defaults
 WILDCARD = "*"
 
 
-class SFTPToGoogleCloudStorageOperator(BaseOperator):
+class SFTPToGCSOperator(BaseOperator):
     """
     Transfer files to Google Cloud Storage from SFTP server.
 
     .. seealso::
         For more information on how to use this operator, take a look at the guide:
-        :ref:`howto/operator:SFTPToGoogleCloudStorageOperator`
+        :ref:`howto/operator:SFTPToGCSOperator`
 
     :param source_path: The sftp remote path. This is the specified file path
         for downloading the single file or multiple files from the SFTP server.

docs/howto/operator/gcp/sftp_to_gcs.rst

@@ -34,16 +34,16 @@ Prerequisite Tasks
 
 .. include:: _partials/prerequisite_tasks.rst
 
-.. _howto/operator:SFTPToGoogleCloudStorageOperator:
+.. _howto/operator:SFTPToGCSOperator:
 
 Operator
 ^^^^^^^^
 
 Transfer files between SFTP and Google Storage is performed with the
-:class:`~airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPToGoogleCloudStorageOperator` operator.
+:class:`~airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPToGCSOperator` operator.
 
 Use :ref:`Jinja templating <jinja-templating>` with
-:template-fields:`airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPToGoogleCloudStorageOperator`
+:template-fields:`airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPToGCSOperator`
 to define values dynamically.
 
 Copying single files

tests/contrib/operators/test_s3_to_gcs_operator.py

@@ -21,7 +21,7 @@ import unittest
 
 import mock
 
-from airflow.contrib.operators.s3_to_gcs_operator import S3ToGoogleCloudStorageOperator
+from airflow.contrib.operators.s3_to_gcs_operator import S3ToGCSOperator
 
 TASK_ID = 'test-s3-gcs-operator'
 S3_BUCKET = 'test-bucket'
@@ -35,9 +35,9 @@ GCS_CONN_ID = 'google_cloud_default'
 
 class TestS3ToGoogleCloudStorageOperator(unittest.TestCase):
     def test_init(self):
-        """Test S3ToGoogleCloudStorageOperator instance is properly initialized."""
+        """Test S3ToGCSOperator instance is properly initialized."""
 
-        operator = S3ToGoogleCloudStorageOperator(
+        operator = S3ToGCSOperator(
             task_id=TASK_ID,
             bucket=S3_BUCKET,
             prefix=S3_PREFIX,
@@ -59,7 +59,7 @@ class TestS3ToGoogleCloudStorageOperator(unittest.TestCase):
     def test_execute(self, gcs_mock_hook, s3_one_mock_hook, s3_two_mock_hook):
         """Test the execute function when the run is successful."""
 
-        operator = S3ToGoogleCloudStorageOperator(
+        operator = S3ToGCSOperator(
             task_id=TASK_ID,
             bucket=S3_BUCKET,
             prefix=S3_PREFIX,
@@ -94,7 +94,7 @@ class TestS3ToGoogleCloudStorageOperator(unittest.TestCase):
     def test_execute_with_gzip(self, gcs_mock_hook, s3_one_mock_hook, s3_two_mock_hook):
         """Test the execute function when the run is successful."""
 
-        operator = S3ToGoogleCloudStorageOperator(
+        operator = S3ToGCSOperator(
             task_id=TASK_ID,
             bucket=S3_BUCKET,
             prefix=S3_PREFIX,

tests/providers/google/cloud/operators/test_sftp_to_gcs.py

@@ -24,7 +24,7 @@ import unittest
 import mock
 
 from airflow.exceptions import AirflowException
-from airflow.providers.google.cloud.operators.sftp_to_gcs import SFTPToGoogleCloudStorageOperator
+from airflow.providers.google.cloud.operators.sftp_to_gcs import SFTPToGCSOperator
 
 TASK_ID = "test-gcs-to-sftp-operator"
 GCP_CONN_ID = "GCP_CONN_ID"
@@ -52,11 +52,11 @@ DESTINATION_PATH_FILE = "destination_dir/copy.txt"
 
 
 # pylint: disable=unused-argument
-class TestSFTPToGoogleCloudStorageOperator(unittest.TestCase):
+class TestSFTPToGCSOperator(unittest.TestCase):
     @mock.patch("airflow.providers.google.cloud.operators.sftp_to_gcs.GoogleCloudStorageHook")
     @mock.patch("airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPHook")
     def test_execute_copy_single_file(self, sftp_hook, gcs_hook):
-        task = SFTPToGoogleCloudStorageOperator(
+        task = SFTPToGCSOperator(
             task_id=TASK_ID,
             source_path=SOURCE_OBJECT_NO_WILDCARD,
             destination_bucket=TEST_BUCKET,
@@ -88,7 +88,7 @@ class TestSFTPToGoogleCloudStorageOperator(unittest.TestCase):
     @mock.patch("airflow.providers.google.cloud.operators.sftp_to_gcs.GoogleCloudStorageHook")
     @mock.patch("airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPHook")
     def test_execute_move_single_file(self, sftp_hook, gcs_hook):
-        task = SFTPToGoogleCloudStorageOperator(
+        task = SFTPToGCSOperator(
             task_id=TASK_ID,
             source_path=SOURCE_OBJECT_NO_WILDCARD,
             destination_bucket=TEST_BUCKET,
@@ -128,7 +128,7 @@ class TestSFTPToGoogleCloudStorageOperator(unittest.TestCase):
             [],
         ]
 
-        task = SFTPToGoogleCloudStorageOperator(
+        task = SFTPToGCSOperator(
             task_id=TASK_ID,
             source_path=SOURCE_OBJECT_WILDCARD_FILENAME,
             destination_bucket=TEST_BUCKET,
@@ -178,7 +178,7 @@ class TestSFTPToGoogleCloudStorageOperator(unittest.TestCase):
         ]
 
         gcs_hook.return_value.list.return_value = SOURCE_FILES_LIST[:2]
-        task = SFTPToGoogleCloudStorageOperator(
+        task = SFTPToGCSOperator(
             task_id=TASK_ID,
             source_path=SOURCE_OBJECT_WILDCARD_FILENAME,
             destination_bucket=TEST_BUCKET,
@@ -200,7 +200,7 @@ class TestSFTPToGoogleCloudStorageOperator(unittest.TestCase):
     @mock.patch("airflow.providers.google.cloud.operators.sftp_to_gcs.GoogleCloudStorageHook")
     @mock.patch("airflow.providers.google.cloud.operators.sftp_to_gcs.SFTPHook")
     def test_execute_more_than_one_wildcard_exception(self, sftp_hook, gcs_hook):
-        task = SFTPToGoogleCloudStorageOperator(
+        task = SFTPToGCSOperator(
             task_id=TASK_ID,
             source_path=SOURCE_OBJECT_MULTIPLE_WILDCARDS,
             destination_bucket=TEST_BUCKET,