def test__call__records_latency_metric(self):
mock_metrics = self.patch(PROMETHEUS_METRICS, 'update')
conn = DummyConnection()
conn.ident = factory.make_name('ident')
self.patch(conn,
'callRemote').return_value = (succeed(sentinel.boot_images))
client = RackClient(conn, {})
yield client(cluster.ListBootImages)
mock_metrics.assert_called_with('maas_region_rack_rpc_call_latency',
'observe',
labels={'call': 'ListBootImages'},
value=ANY)
def test__call__returns_cache_value(self):
conn = DummyConnection()
conn.ident = factory.make_name("ident")
client = RackClient(conn, {})
call_cache = client._getCallCache()
power_types = {"power_types": [{"name": "ipmi"}, {"name": "wedge"}]}
call_cache[cluster.DescribePowerTypes] = power_types
result = yield client(cluster.DescribePowerTypes)
# The result is a copy. It should equal the result but not be
# the same object.
self.assertEquals(power_types, result)
self.assertIsNot(power_types, result)
def test_call__records_latency_metric(self):
mock_metrics = self.patch(PROMETHEUS_METRICS, "update")
conn = DummyConnection()
conn.ident = factory.make_name("ident")
self.patch(conn,
"callRemote").return_value = succeed(sentinel.boot_images)
client = RackClient(conn, {})
yield client(cluster.ListBootImages)
mock_metrics.assert_called_with(
"maas_region_rack_rpc_call_latency",
"observe",
labels={"call": "ListBootImages"},
value=ANY,
)