def test_remove_extension_cgroups_should_log_a_warning_when_the_cgroup_contains_active_tasks(self):
api = FileSystemCgroupsApi()
api.create_extension_cgroups_root()
api.create_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
with patch("azurelinuxagent.common.cgroupapi.logger.warn") as mock_logger_warn:
with patch("azurelinuxagent.common.cgroupapi.os.rmdir", side_effect=OSError(16, "Device or resource busy")):
api.remove_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
args, kwargs = mock_logger_warn.call_args
message = args[0]
self.assertIn("still has active tasks", message)
def test_remove_extension_cgroups_should_remove_all_cgroups(self):
api = FileSystemCgroupsApi()
api.create_extension_cgroups_root()
extension_cgroups = api.create_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
api.remove_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
for cgroup in extension_cgroups:
self.assertFalse(os.path.exists(cgroup.path))
def test_get_extension_cgroups_should_return_all_cgroups(self):
api = FileSystemCgroupsApi()
api.create_extension_cgroups_root()
created = api.create_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
retrieved = api.get_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
self.assertEqual(len(retrieved), len(created))
for cgroup in created:
self.assertTrue(any(retrieved_cgroup.path == cgroup.path for retrieved_cgroup in retrieved))
def test_create_extension_cgroups_should_create_cgroups_on_all_controllers(self):
api = FileSystemCgroupsApi()
api.create_extension_cgroups_root()
extension_cgroups = api.create_extension_cgroups("Microsoft.Compute.TestExtension-1.2.3")
def assert_cgroup_created(controller):
cgroup_path = os.path.join(self.cgroups_file_system_root, controller, "walinuxagent.extensions",
"Microsoft.Compute.TestExtension_1.2.3")
self.assertTrue(any(cgroups.path == cgroup_path for cgroups in extension_cgroups))
self.assertTrue(os.path.exists(cgroup_path))
assert_cgroup_created("cpu")
assert_cgroup_created("memory")