feat: adding samples for dataproc - create cluster [(#2536)](GoogleCl…

…oudPlatform/python-docs-samples#2536)

* adding sample for cluster create

* small fix

* Add create cluster samples

* Fixed copyright, added 'dataproc' to region tag and changed imports from 'dataproc' to 'dataproc_v1'

* Fix copyright in create_cluster.py

samples/snippets/create_cluster.py

@@ -0,0 +1,54 @@
+#!/usr/bin/env python
+
+# Copyright 2019 Google LLC
+#
+# 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.
+
+
+def create_cluster(project_id, region, cluster_name):
+    # [START dataproc_create_cluster]
+    from google.cloud import dataproc_v1 as dataproc
+
+    # TODO(developer): Uncomment and set the following variables
+    # project_id = 'YOUR_PROJECT_ID'
+    # region = 'YOUR_CLUSTER_REGION'
+    # cluster_name = 'YOUR_CLUSTER_NAME'
+
+    # Create a client with the endpoint set to the desired cluster region
+    client = dataproc.ClusterControllerClient(client_options={
+        'api_endpoint': '{}-dataproc.googleapis.com:443'.format(region)
+    })
+
+    # Create the cluster config
+    cluster = {
+        'project_id': project_id,
+        'cluster_name': cluster_name,
+        'config': {
+            'master_config': {
+                'num_instances': 1,
+                'machine_type_uri': 'n1-standard-1'
+            },
+            'worker_config': {
+                'num_instances': 2,
+                'machine_type_uri': 'n1-standard-1'
+            }
+        }
+    }
+
+    # Create the cluster
+    operation = client.create_cluster(project_id, region, cluster)
+    result = operation.result()
+
+    # Output a success message
+    print('Cluster created successfully: {}'.format(result.cluster_name))
+    # [END dataproc_create_cluster]

samples/snippets/create_cluster_test.py

@@ -0,0 +1,44 @@
+# Copyright 2019 Google LLC
+#
+# 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.
+
+import os
+import uuid
+import pytest
+
+from google.cloud import dataproc_v1 as dataproc
+
+import create_cluster
+
+PROJECT_ID = os.environ['GCLOUD_PROJECT']
+REGION = 'us-central1'
+CLUSTER_NAME = 'test-cluster-{}'.format(str(uuid.uuid4()))
+
+
+@pytest.fixture(autouse=True)
+def teardown():
+    yield
+
+    client = dataproc.ClusterControllerClient(client_options={
+        'api_endpoint': '{}-dataproc.googleapis.com:443'.format(REGION)
+    })
+    # Client library function
+    client.delete_cluster(PROJECT_ID, REGION, CLUSTER_NAME)
+
+
+def test_cluster_create(capsys):
+    # Wrapper function for client library function
+    create_cluster.create_cluster(PROJECT_ID, REGION, CLUSTER_NAME)
+
+    out, _ = capsys.readouterr()
+    assert CLUSTER_NAME in out

samples/snippets/requirements.txt

@@ -3,4 +3,4 @@ google-auth==1.6.3
 google-auth-httplib2==0.0.3
 google-cloud==0.34.0
 google-cloud-storage==1.19.1
-google-cloud-dataproc==0.5.0
+google-cloud-dataproc==0.6.1