def test_perform_kubelet_check(monkeypatch):
check = KubeletCheck('kubelet', {}, [{}])
check.kube_health_url = "http://127.0.0.1:10255/healthz"
check.kubelet_credentials = KubeletCredentials({})
monkeypatch.setattr(check, 'service_check', mock.Mock())
instance_tags = ["one:1"]
get = MockResponse()
with mock.patch("requests.get", side_effect=get):
check._perform_kubelet_check(instance_tags)
get.assert_has_calls(
[
mock.call(
'http://127.0.0.1:10255/healthz',
cert=None,
headers=None,
params={'verbose': True},
stream=False,
timeout=10,
verify=None,
)
]
)
calls = [mock.call('kubernetes.kubelet.check', 0, tags=instance_tags)]
check.service_check.assert_has_calls(calls)
def test_silent_tls_warning(monkeypatch, aggregator):
check = KubeletCheck('kubelet', {}, [{}])
check.kube_health_url = "https://example.com/"
check.kubelet_credentials = KubeletCredentials({'verify_tls': 'false'})
with pytest.warns(None) as record:
check._perform_kubelet_check([])
assert all(not issubclass(warning.category, InsecureRequestWarning) for warning in record)
def test_report_node_metrics_kubernetes1_18(monkeypatch, aggregator):
check = KubeletCheck('kubelet', {}, [{}])
check.kubelet_credentials = KubeletCredentials({'verify_tls': 'false'})
check.node_spec_url = "http://localhost:10255/spec"
get = mock.MagicMock(status_code=404, iter_lines=lambda **kwargs: "Error Code")
get.raise_for_status.side_effect = requests.HTTPError('error')
with mock.patch('requests.get', return_value=get):
check._report_node_metrics(['foo:bar'])
aggregator.assert_all_metrics_covered()
def test_silent_tls_warning(caplog, monkeypatch, aggregator):
check = KubeletCheck('kubelet', {}, [{}])
check.kube_health_url = "https://example.com/"
check.kubelet_credentials = KubeletCredentials({'verify_tls': 'false'})
with caplog.at_level(logging.DEBUG):
check._perform_kubelet_check([])
expected_message = 'An unverified HTTPS request is being made to https://example.com/'
for _, _, message in caplog.record_tuples:
assert message != expected_message