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list_clusters.py
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list_clusters.py
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#!/usr/bin/env python
# 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.
"""Sample command-line program to list Cloud Dataproc clusters in a region.
Example usage:
python list_clusters.py --project_id=my-project-id --region=global
"""
import argparse
from google.cloud import dataproc_v1
from google.cloud.dataproc_v1.gapic.transports import cluster_controller_grpc_transport
# [START dataproc_list_clusters]
def list_clusters(dataproc, project, region):
"""List the details of clusters in the region."""
for cluster in dataproc.list_clusters(
request={"project_id": project, "region": region}
):
print(
(
"{} - {}".format(
cluster.cluster_name,
cluster.status.State.Name(cluster.status.state),
)
)
)
# [END dataproc_list_clusters]
def main(project_id, region):
if region == "global":
# Use the default gRPC global endpoints.
dataproc_cluster_client = dataproc_v1.ClusterControllerClient()
else:
# Use a regional gRPC endpoint. See:
# https://cloud.google.com/dataproc/docs/concepts/regional-endpoints
client_transport = (
cluster_controller_grpc_transport.ClusterControllerGrpcTransport(
address="{}-dataproc.googleapis.com:443".format(region)
)
)
dataproc_cluster_client = dataproc_v1.ClusterControllerClient(client_transport)
list_clusters(dataproc_cluster_client, project_id, region)
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description=__doc__, formatter_class=(argparse.RawDescriptionHelpFormatter)
)
parser.add_argument("--project_id", help="Project ID to access.", required=True)
parser.add_argument("--region", help="Region of clusters to list.", required=True)
args = parser.parse_args()
main(args.project_id, args.region)