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Reduce lock time taken by dcs.get_cluster() (#989)

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`dcs.cluster` and `dcs.get_cluster()` are using the same lock resource and therefore when get_cluster call is slow due to the slowness of DCS it was also affecting the `dcs.cluster` call, which in return was making health-check requests slow.
This commit is contained in:
Alexander Kukushkin
2019-03-12 22:37:11 +01:00
committed by GitHub
parent 92720882aa
commit 680444ae13
9 changed files with 73 additions and 37 deletions
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tests/test_kubernetes.py
+7 -5
View File
@@ -1,3 +1,4 @@
import time
import unittest
from mock import Mock, patch
@@ -33,13 +34,14 @@ class TestKubernetes(unittest.TestCase):
@patch.object(k8s_client.CoreV1Api, 'list_namespaced_pod', mock_list_namespaced_pod)
def setUp(self):
self.k = Kubernetes({'ttl': 30, 'scope': 'test', 'name': 'p-0', 'retry_timeout': 10, 'labels': {'f': 'b'}})
with patch('time.time', Mock(return_value=1)):
self.k.get_cluster()
def test_get_cluster(self):
with patch.object(k8s_client.CoreV1Api, 'list_namespaced_config_map', mock_list_namespaced_config_map), \
patch.object(k8s_client.CoreV1Api, 'list_namespaced_pod', mock_list_namespaced_pod), \
patch('time.time', Mock(return_value=time.time() + 31)):
self.k.get_cluster()
@patch.object(k8s_client.CoreV1Api, 'list_namespaced_config_map', mock_list_namespaced_config_map)
@patch.object(k8s_client.CoreV1Api, 'list_namespaced_pod', mock_list_namespaced_pod)
def test_get_cluster(self):
self.k.get_cluster()
with patch.object(k8s_client.CoreV1Api, 'list_namespaced_pod', Mock(side_effect=Exception)):
self.assertRaises(KubernetesError, self.k.get_cluster)