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feat: adding samples for dataproc - create cluster #2536

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Nov 15, 2019
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54 changes: 54 additions & 0 deletions dataproc/create_cluster.py
Original file line number Diff line number Diff line change
@@ -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]
44 changes: 44 additions & 0 deletions dataproc/create_cluster_test.py
Original file line number Diff line number Diff line change
@@ -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
File renamed without changes.
2 changes: 1 addition & 1 deletion dataproc/requirements.txt
Original file line number Diff line number Diff line change
Expand Up @@ -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