kuryr-kubernetes/kuryr_kubernetes/tests/unit/controller/managers/test_health.py

294 lines
11 KiB
Python

# Copyright 2018 Maysa de Macedo Souza.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from kuryr_kubernetes import constants as k_const
from kuryr_kubernetes.controller.managers import health
from kuryr_kubernetes import exceptions as k_exc
from kuryr_kubernetes.handlers import health as h_health
from kuryr_kubernetes.tests import base
from kuryr_kubernetes.tests.unit import kuryr_fixtures as k_fix
import mock
from oslo_config import cfg as oslo_cfg
def get_quota_obj():
return {
'quota': {
'subnet': 100,
'network': 100,
'floatingip': 50,
'subnetpool': -1,
'security_group_rule': 100,
'security_group': 10,
'router': 10,
'rbac_policy': 10,
'port': 500
}
}
class _TestHandler(h_health.HealthHandler):
def is_alive(self):
pass
def is_ready(self):
pass
class TestHealthServer(base.TestCase):
def setUp(self):
super(TestHealthServer, self).setUp()
self.srv = health.HealthServer()
self.srv.application.testing = True
self.test_client = self.srv.application.test_client()
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_components_ready')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_has_kuryr_crd')
@mock.patch('os.path.exists')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_keystone_connection')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
def test_readiness(self, m_verify_k8s_conn, m_verify_keystone_conn,
m_exist, m_has_kuryr_crd, m_components_ready):
m_has_kuryr_crd.side_effect = [True, True]
m_verify_k8s_conn.return_value = True, 200
m_exist.return_value = True
m_components_ready.return_value = True
resp = self.test_client.get('/ready')
m_verify_k8s_conn.assert_called_once()
m_verify_keystone_conn.assert_called_once()
self.assertEqual(m_has_kuryr_crd.call_count, 2)
m_components_ready.assert_called_once()
self.assertEqual(200, resp.status_code)
self.assertEqual('ok', resp.data.decode())
@mock.patch('os.path.exists')
def test_readiness_not_found(self, m_exist):
m_exist.return_value = False
oslo_cfg.CONF.set_override('vif_pool_driver', 'neutron',
group='kubernetes')
resp = self.test_client.get('/ready')
self.assertEqual(404, resp.status_code)
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
@mock.patch('os.path.exists')
def test_readiness_k8s_error(self, m_exist, m_verify_k8s_conn):
m_exist.return_value = True
m_verify_k8s_conn.return_value = False
resp = self.test_client.get('/ready')
m_verify_k8s_conn.assert_called_once()
self.assertEqual(500, resp.status_code)
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_keystone_connection')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
@mock.patch('os.path.exists')
def test_readiness_unauthorized(self, m_exist, m_verify_k8s_conn,
m_verify_keystone_conn):
m_exist.return_value = True
m_verify_k8s_conn.return_value = True, 200
m_verify_keystone_conn.side_effect = Exception
resp = self.test_client.get('/ready')
m_verify_keystone_conn.assert_called_once()
self.assertEqual(500, resp.status_code)
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_has_kuryr_crd')
@mock.patch('os.path.exists')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_keystone_connection')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
def test_readiness_kuryrnet_crd_error(self, m_verify_k8s_conn,
m_verify_keystone_conn,
m_exist, m_has_kuryr_crd):
kuryrnets_url = k_const.K8S_API_CRD_KURYRNETS
m_has_kuryr_crd.side_effect = [False]
resp = self.test_client.get('/ready')
m_has_kuryr_crd.assert_called_with(kuryrnets_url)
self.assertEqual(m_has_kuryr_crd.call_count, 1)
self.assertEqual(500, resp.status_code)
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_has_kuryr_crd')
@mock.patch('os.path.exists')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_keystone_connection')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
def test_readiness_kuryrnetpolicy_crd_error(self, m_verify_k8s_conn,
m_verify_keystone_conn,
m_exist, m_has_kuryr_crd):
kuryrnetpolicies_url = k_const.K8S_API_CRD_KURYRNETPOLICIES
m_has_kuryr_crd.side_effect = [True, False]
resp = self.test_client.get('/ready')
self.assertEqual(m_has_kuryr_crd.call_count, 2)
m_has_kuryr_crd.assert_called_with(kuryrnetpolicies_url)
self.assertEqual(500, resp.status_code)
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_components_ready')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_has_kuryr_crd')
@mock.patch('os.path.exists')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_keystone_connection')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
def test_readiness_neutron_error(self, m_verify_k8s_conn,
m_verify_keystone_conn,
m_exist, m_has_kuryr_crd,
m_components_ready):
m_components_ready.side_effect = Exception
resp = self.test_client.get('/ready')
m_components_ready.assert_called_once()
self.assertEqual(500, resp.status_code)
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_components_ready')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'_has_kuryr_crd')
@mock.patch('os.path.exists')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_keystone_connection')
@mock.patch('kuryr_kubernetes.controller.managers.health.HealthServer.'
'verify_k8s_connection')
def test_readiness_components_ready_error(self, m_verify_k8s_conn,
m_verify_keystone_conn,
m_exist, m_has_kuryr_crd,
m_components_ready):
m_components_ready.return_value = False
resp = self.test_client.get('/ready')
m_components_ready.assert_called_once()
self.assertEqual(500, resp.status_code)
def test__has_kuryrnet_crd(self):
kuryrnet_crd = {
"apiVersion": "openstack.org/v1",
"items": [
],
"kind": "KuryrNetList",
"metadata": {
"continue": "",
"resourceVersion": "33018",
"selfLink": "/apis/openstack.org/v1/kuryrnets"
}
}
kubernetes = self.useFixture(k_fix.MockK8sClient()).client
kubernetes.get.return_value = kuryrnet_crd
kuryrnets_url = k_const.K8S_API_CRD_KURYRNETS
resp = self.srv._has_kuryr_crd(kuryrnets_url)
self.assertEqual(resp, True)
def test__has_kuryrnetpolicy_crd(self):
kuryrnetpolicies_crd = {
"apiVersion": "openstack.org/v1",
"items": [
],
"kind": "KuryrNetPolicyList",
"metadata": {
"continue": "",
"resourceVersion": "34186",
"selfLink": "/apis/openstack.org/v1/kuryrnetpolicies"
}
}
kubernetes = self.useFixture(k_fix.MockK8sClient()).client
kubernetes.get.return_value = kuryrnetpolicies_crd
kuryrnetpolicies_url = k_const.K8S_API_CRD_KURYRNETPOLICIES
resp = self.srv._has_kuryr_crd(kuryrnetpolicies_url)
self.assertEqual(resp, True)
def test__has_kuryr_crd_error(self):
crds = [k_const.K8S_API_CRD_KURYRNETS,
k_const.K8S_API_CRD_KURYRNETPOLICIES]
for crd_url in crds:
kubernetes = self.useFixture(k_fix.MockK8sClient()).client
kubernetes.get.side_effect = k_exc.K8sClientException
resp = self.srv._has_kuryr_crd(crd_url)
self.assertEqual(resp, False)
kubernetes.get.assert_called_once()
@mock.patch.object(_TestHandler, 'is_ready')
def test__components_ready(self, m_status):
neutron = self.useFixture(k_fix.MockNeutronClient()).client
neutron.show_quota.return_value = get_quota_obj()
self.srv._registry = [_TestHandler()]
m_status.return_value = True
resp = self.srv._components_ready()
m_status.assert_called_once()
self.assertEqual(resp, True)
neutron.show_quota.assert_called_once()
@mock.patch.object(_TestHandler, 'is_ready')
def test__components_ready_error(self, m_status):
neutron = self.useFixture(k_fix.MockNeutronClient()).client
neutron.show_quota.return_value = get_quota_obj()
self.srv._registry = [_TestHandler()]
m_status.return_value = False
resp = self.srv._components_ready()
m_status.assert_called_once()
self.assertEqual(resp, False)
neutron.show_quota.assert_called_once()
@mock.patch.object(_TestHandler, 'is_alive')
def test_liveness(self, m_status):
m_status.return_value = True
self.srv._registry = [_TestHandler()]
resp = self.test_client.get('/alive')
m_status.assert_called_once()
self.assertEqual(200, resp.status_code)
@mock.patch.object(_TestHandler, 'is_alive')
def test_liveness_error(self, m_status):
m_status.return_value = False
self.srv._registry = [_TestHandler()]
resp = self.test_client.get('/alive')
m_status.assert_called_once()
self.assertEqual(500, resp.status_code)