def list_clusters(self):
"""Lists clusters owned by the project.
:rtype: tuple
:returns: A pair of results, the first is a list of :class:`.Cluster` s
returned and the second is a list of strings (the failed
zones in the request).
"""
request_pb = messages_pb2.ListClustersRequest(name=self.project_name)
# We expect a `.messages_pb2.ListClustersResponse`
list_clusters_response = self._cluster_stub.ListClusters(
request_pb, self.timeout_seconds)
failed_zones = [zone.display_name
for zone in list_clusters_response.failed_zones]
clusters = [Cluster.from_pb(cluster_pb, self)
for cluster_pb in list_clusters_response.clusters]
return clusters, failed_zones
def test_list_clusters(self):
from gcloud.bigtable._generated import (bigtable_cluster_data_pb2 as
data_pb2)
from gcloud.bigtable._generated import (
bigtable_cluster_service_messages_pb2 as messages_pb2)
from gcloud.bigtable._testing import _FakeStub
credentials = _Credentials()
project = 'PROJECT'
timeout_seconds = 8004
client = self._makeOne(project=project,
credentials=credentials,
admin=True,
timeout_seconds=timeout_seconds)
# Create request_pb
request_pb = messages_pb2.ListClustersRequest(name='projects/' +
project, )
# Create response_pb
zone = 'foo'
failed_zone = 'bar'
cluster_id1 = 'cluster-id1'
cluster_id2 = 'cluster-id2'
cluster_name1 = ('projects/' + project + '/zones/' + zone +
'/clusters/' + cluster_id1)
cluster_name2 = ('projects/' + project + '/zones/' + zone +
'/clusters/' + cluster_id2)
response_pb = messages_pb2.ListClustersResponse(
failed_zones=[
data_pb2.Zone(display_name=failed_zone),
],
clusters=[
data_pb2.Cluster(
name=cluster_name1,
display_name=cluster_name1,
serve_nodes=3,
),
data_pb2.Cluster(
name=cluster_name2,
display_name=cluster_name2,
serve_nodes=3,
),
],
)
# Patch the stub used by the API method.
client._cluster_stub_internal = stub = _FakeStub(response_pb)
# Create expected_result.
failed_zones = [failed_zone]
clusters = [
client.cluster(zone, cluster_id1),
client.cluster(zone, cluster_id2),
]
expected_result = (clusters, failed_zones)
# Perform the method and check the result.
result = client.list_clusters()
self.assertEqual(result, expected_result)
self.assertEqual(stub.method_calls, [(
'ListClusters',
(request_pb, timeout_seconds),
{},
)])