e843f3a734
This is to ensure session creation also works if username and password contain unicode characters. Otherwise, python's requests will use latin-1 to encode these string. Change-Id: Ia2a1c26cffe213d23cafcf5c33b6f82b8ef364e5
670 lines
28 KiB
Python
670 lines
28 KiB
Python
# Copyright 2015 VMware, Inc.
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# All Rights Reserved
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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import unittest
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from unittest import mock
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from urllib import parse as urlparse
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from requests import codes
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from requests import exceptions as requests_exceptions
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from requests import models
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from oslo_serialization import jsonutils
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from vmware_nsxlib.tests.unit.v3 import mocks
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from vmware_nsxlib.tests.unit.v3 import nsxlib_testcase
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from vmware_nsxlib import v3
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from vmware_nsxlib.v3 import client
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from vmware_nsxlib.v3 import client_cert
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from vmware_nsxlib.v3 import cluster
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from vmware_nsxlib.v3 import config
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from vmware_nsxlib.v3 import exceptions as nsxlib_exc
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def _validate_conn_up(*args, **kwargs):
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return True
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def _validate_conn_down(*args, **kwargs):
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raise requests_exceptions.ConnectionError()
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def _validate_server_busy(*args, **kwargs):
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raise nsxlib_exc.ServerBusy(details="Test")
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def get_sess_create_resp():
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sess_create_response = models.Response()
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sess_create_response.status_code = 200
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sess_create_response.headers = {'Set-Cookie': 'JSESSIONID=abc;'}
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return sess_create_response
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class RequestsHTTPProviderTestCase(unittest.TestCase):
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def _test_new_connection(self, password, escaped_pw):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.username = 'nsxuser'
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mock_api.nsxlib_config.password = password
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = True
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mock_api.nsxlib_config.token_provider = None
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mock_api.nsxlib_config.ca_file = None
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mock_api.nsxlib_config.http_timeout = 99
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mock_api.nsxlib_config.conn_idle_timeout = 39
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mock_api.nsxlib_config.client_cert_provider = None
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(
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cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()) as mock_session_create:
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session = provider.new_connection(
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mock_api, cluster.Provider('9.8.7.6', 'https://9.8.7.6',
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'nsxuser', password, None))
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self.assertEqual(('nsxuser'.encode('utf-8'),
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password.encode('utf-8')),
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session.auth)
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self.assertFalse(session.verify)
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self.assertIsNone(session.cert)
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self.assertEqual(100,
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session.adapters['https://'].max_retries.total)
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self.assertEqual(99, session.timeout)
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# inteested in request body only
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mock_session_create.assert_called_once_with(
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mock.ANY,
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'https://9.8.7.6/api/session/create',
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data='j_username=nsxuser&j_password=%s' % escaped_pw,
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headers=mock.ANY)
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def test_new_connection(self):
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self._test_new_connection('nsxpassword', 'nsxpassword')
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def test_new_connection_special_chars(self):
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self._test_new_connection(
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'nsxPW0}:#{%=&;!', 'nsxPW0%7D%3A%23%7B%25%3D%26%3B%21')
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def test_new_connection_with_client_auth(self):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = True
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mock_api.nsxlib_config.ca_file = None
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mock_api.nsxlib_config.http_timeout = 99
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mock_api.nsxlib_config.conn_idle_timeout = 39
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cert_provider_inst = client_cert.ClientCertProvider(
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'/etc/cert.pem')
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mock_api.nsxlib_config.client_cert_provider = cert_provider_inst
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()):
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session = provider.new_connection(
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mock_api, cluster.Provider('9.8.7.6', 'https://9.8.7.6',
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None, None, None))
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self.assertIsNone(session.auth)
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self.assertFalse(session.verify)
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self.assertEqual(cert_provider_inst, session.cert_provider)
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self.assertEqual(99, session.timeout)
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@mock.patch("vmware_nsxlib.v3.cluster.NSXRequestsHTTPProvider."
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"get_default_headers")
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def test_new_connection_with_token_provider(self, mock_get_def_headers):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = True
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mock_api.nsxlib_config.ca_file = None
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mock_api.nsxlib_config.http_timeout = 99
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mock_api.nsxlib_config.conn_idle_timeout = 39
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mock_api.nsxlib_config.client_cert_provider = None
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token_provider_inst = mock.Mock()
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mock_api.nsxlib_config.token_provider = token_provider_inst
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mock_api.nsxlib_config.allow_overwrite_header = False
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provider = cluster.NSXRequestsHTTPProvider()
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cluster_provider = cluster.Provider('9.8.7.6', 'https://9.8.7.6',
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'nsxuser', 'nsxpassword', None)
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with mock.patch.object(cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()):
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session = provider.new_connection(mock_api, cluster_provider)
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self.assertIsNone(session.auth)
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self.assertFalse(session.verify)
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self.assertIsNone(session.cert)
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self.assertEqual(100,
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session.adapters['https://'].max_retries.total)
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self.assertEqual(99, session.timeout)
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mock_get_def_headers.assert_called_once_with(
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mock.ANY, cluster_provider, False, token_provider_inst)
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@mock.patch("vmware_nsxlib.v3.debug_retry.RetryDebug.from_int")
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@mock.patch("vmware_nsxlib.v3.cluster.NSXHTTPAdapter.__init__")
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def test_new_connection_with_ca_file(self, mock_adaptor_init, mock_retry):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = False
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mock_api.nsxlib_config.ssl_assert_hostname = None
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mock_adaptor_init.return_value = None
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mock_retry.return_value = 100
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()):
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session = provider.new_connection(
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mock_api, cluster.Provider('9.8.7.6', 'https://9.8.7.6',
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None, None, "ca_file"))
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self.assertEqual("ca_file", session.verify)
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mock_adaptor_init.assert_called_once_with(
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pool_connections=1, pool_maxsize=1,
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max_retries=100, pool_block=False,
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thumbprint=None, assert_hostname=None, nsx_cert_der=None)
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@mock.patch("vmware_nsxlib.v3.debug_retry.RetryDebug.from_int")
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@mock.patch("vmware_nsxlib.v3.cluster.NSXHTTPAdapter.__init__")
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def test_new_connection_with_ca_file_no_host_assert(
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self, mock_adaptor_init, mock_retry):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = False
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mock_api.nsxlib_config.ssl_assert_hostname = False
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mock_adaptor_init.return_value = None
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mock_retry.return_value = 100
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()):
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session = provider.new_connection(
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mock_api, cluster.Provider('9.8.7.6', 'https://9.8.7.6',
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None, None, "ca_file"))
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self.assertEqual("ca_file", session.verify)
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mock_adaptor_init.assert_called_once_with(
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pool_connections=1, pool_maxsize=1,
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max_retries=100, pool_block=False,
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thumbprint=None, assert_hostname=False, nsx_cert_der=None)
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@mock.patch("vmware_nsxlib.v3.debug_retry.RetryDebug.from_int")
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@mock.patch("vmware_nsxlib.v3.cluster.NSXHTTPAdapter.__init__")
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def test_new_connection_with_thumbprint(self, mock_adaptor_init,
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mock_retry):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = False
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mock_api.nsxlib_config.ssl_assert_hostname = None
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mock_adaptor_init.return_value = None
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mock_retry.return_value = 100
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()):
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session = provider.new_connection(
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mock_api, cluster.Provider('9.8.7.6', 'https://9.8.7.6',
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None, None, None, "thumbprint"))
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self.assertIsNone(session.verify)
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mock_adaptor_init.assert_called_once_with(
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pool_connections=1, pool_maxsize=1,
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max_retries=100, pool_block=False,
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thumbprint="thumbprint", assert_hostname=None,
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nsx_cert_der=None)
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@mock.patch("vmware_nsxlib.v3.debug_retry.RetryDebug.from_int")
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@mock.patch("vmware_nsxlib.v3.cluster.NSXHTTPAdapter.__init__")
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def test_new_connection_with_cert_der(self, mock_adaptor_init,
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mock_retry):
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mock_api = mock.Mock()
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mock_api.nsxlib_config = mock.Mock()
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mock_api.nsxlib_config.retries = 100
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mock_api.nsxlib_config.insecure = False
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mock_api.nsxlib_config.ssl_assert_hostname = None
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mock_adaptor_init.return_value = None
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mock_retry.return_value = 100
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(cluster.TimeoutSession, 'request',
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return_value=get_sess_create_resp()):
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session = provider.new_connection(
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mock_api, cluster.Provider(
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'9.8.7.6', 'https://9.8.7.6', None,
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None, None, None, "nsx_cert_der"))
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self.assertIsNone(session.verify)
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mock_adaptor_init.assert_called_once_with(
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pool_connections=1, pool_maxsize=1,
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max_retries=100, pool_block=False,
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thumbprint=None, assert_hostname=None,
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nsx_cert_der="nsx_cert_der")
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def test_validate_connection_keep_alive(self):
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mock_conn = mocks.MockRequestSessionApi()
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mock_conn.default_headers = {}
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mock_ep = mock.Mock()
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mock_ep.provider.url = 'https://1.2.3.4'
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mock_cluster = mock.Mock()
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mock_cluster.nsxlib_config = mock.Mock()
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mock_cluster.nsxlib_config.url_base = 'abc'
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(client.JSONRESTClient, "get",
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return_value={'result_count': 0}):
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self.assertRaises(nsxlib_exc.ResourceNotFound,
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provider.validate_connection,
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mock_cluster, mock_ep, mock_conn)
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with mock.patch.object(client.JSONRESTClient, "get",
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return_value={'healthy': True}):
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provider.validate_connection(mock_cluster, mock_ep, mock_conn)
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def _validate_con_mocks(self, nsx_version):
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nsxlib_config = nsxlib_testcase.get_default_nsxlib_config()
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nsxlib = v3.NsxLib(nsxlib_config)
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nsxlib.nsx_version = nsx_version
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mock_conn = mocks.MockRequestSessionApi()
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mock_conn.default_headers = {}
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mock_ep = mock.Mock()
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mock_ep.provider.url = 'https://1.2.3.4'
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conf = mock.Mock()
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conf.url_base = 'abc'
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mock_cluster = mock.Mock()
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mock_cluster.nsxlib_config = conf
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return (mock_cluster, mock_ep, mock_conn)
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def test_validate_connection_method(self):
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mock_cluster, mock_ep, mock_conn = self._validate_con_mocks('2.4.0')
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provider = cluster.NSXRequestsHTTPProvider()
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with mock.patch.object(client.JSONRESTClient, "get",
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return_value={'healthy': False}):
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self.assertRaises(nsxlib_exc.ResourceNotFound,
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provider.validate_connection,
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mock_cluster, mock_ep, mock_conn)
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with mock.patch.object(client.JSONRESTClient, "get",
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return_value={'healthy': True}):
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provider.validate_connection(mock_cluster, mock_ep, mock_conn)
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class NSXHTTPAdapterTestCase(nsxlib_testcase.NsxClientTestCase):
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@mock.patch("requests.adapters.HTTPAdapter.init_poolmanager")
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def test_init_poolmanager(self, mock_init_poolmanager):
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cluster.NSXHTTPAdapter(thumbprint="thumbprint")
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mock_init_poolmanager.assert_called_once_with(
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mock.ANY, mock.ANY, block=mock.ANY,
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assert_fingerprint="thumbprint")
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class NsxV3ClusteredAPITestCase(nsxlib_testcase.NsxClientTestCase):
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def _assert_providers(self, cluster_api, provider_tuples):
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self.assertEqual(len(cluster_api.providers), len(provider_tuples))
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def _assert_provider(pid, purl):
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for provider in cluster_api.providers:
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if provider.id == pid and provider.url == purl:
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return
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self.fail("Provider: %s not found" % pid)
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for provider_tuple in provider_tuples:
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_assert_provider(provider_tuple[0], provider_tuple[1])
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def test_conf_providers_no_scheme(self):
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conf_managers = ['8.9.10.11', '9.10.11.12:4433']
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api = self.new_mocked_cluster(conf_managers, _validate_conn_up)
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self._assert_providers(
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api, [(p, "https://%s" % p) for p in conf_managers])
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def test_conf_providers_with_scheme(self):
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conf_managers = ['http://8.9.10.11:8080', 'https://9.10.11.12:4433']
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api = self.new_mocked_cluster(conf_managers, _validate_conn_up)
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self._assert_providers(
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api, [(urlparse.urlparse(p).netloc, p) for p in conf_managers])
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def test_http_retries(self):
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api = self.mock_nsx_clustered_api(retries=9)
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with api.endpoints['1.2.3.4'].pool.item() as session:
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self.assertEqual(
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session.adapters['https://'].max_retries.total, 9)
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def test_conns_per_pool(self):
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conf_managers = ['8.9.10.11', '9.10.11.12:4433']
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api = self.new_mocked_cluster(
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conf_managers, _validate_conn_up,
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concurrent_connections=11)
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for ep_id, ep in api.endpoints.items():
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self.assertEqual(ep.pool.max_size, 11)
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def test_timeouts(self):
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api = self.mock_nsx_clustered_api(http_read_timeout=37, http_timeout=7)
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api.get('logical-ports')
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mock_call = api.recorded_calls.method_calls[0]
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name, args, kwargs = mock_call
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self.assertEqual(kwargs['timeout'], (7, 37))
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# Repeat the above tests with client cert present
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# in NsxLib initialization
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class NsxV3ClusteredAPIWithClientCertTestCase(NsxV3ClusteredAPITestCase):
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def use_client_cert_auth(self):
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return True
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class ClusteredAPITestCase(nsxlib_testcase.NsxClientTestCase):
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def _test_health(self, validate_fn, expected_health, exceptions=None):
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conf_managers = ['8.9.10.11', '9.10.11.12']
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api = self.new_mocked_cluster(conf_managers, validate_fn,
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exceptions=exceptions)
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self.assertEqual(expected_health, api.health)
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def test_orange_health(self):
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def _validate(cluster_api, endpoint, conn):
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if endpoint.provider.id == '8.9.10.11':
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raise Exception()
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return True
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self._test_health(_validate, cluster.ClusterHealth.ORANGE)
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def test_green_health(self):
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self._test_health(_validate_conn_up, cluster.ClusterHealth.GREEN)
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def test_red_health(self):
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self._test_health(_validate_conn_down, cluster.ClusterHealth.RED)
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def test_cluster_validate_with_exception(self):
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conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
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api = self.new_mocked_cluster(conf_managers, _validate_conn_down)
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self.assertEqual(3, len(api.endpoints))
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self.assertRaises(nsxlib_exc.ServiceClusterUnavailable,
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api.get, 'api/v1/transport-zones')
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def test_cluster_validate_with_exception_retry(self):
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self._test_health(_validate_server_busy, cluster.ClusterHealth.GREEN)
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def test_cluster_validate_with_exception_no_retry(self):
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exceptions = config.ExceptionConfig()
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exceptions.retriables = []
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self._test_health(_validate_server_busy,
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cluster.ClusterHealth.RED,
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exceptions)
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def test_cluster_proxy_stale_revision(self):
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def stale_revision():
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raise nsxlib_exc.StaleRevision(manager='1.1.1.1',
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operation='whatever')
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api = self.mock_nsx_clustered_api(session_response=stale_revision)
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self.assertRaises(nsxlib_exc.StaleRevision,
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api.get, 'api/v1/transport-zones')
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def test_cluster_down_and_retry_on_server_error(self):
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def server_error():
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return mocks.MockRequestsResponse(
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codes.INTERNAL_SERVER_ERROR,
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jsonutils.dumps({'error_message': 'test', 'error_code': 98}))
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def all_well():
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return mocks.MockRequestsResponse(
|
|
codes.OK,
|
|
jsonutils.dumps({'id': 'test'}))
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
exceptions = config.ExceptionConfig()
|
|
exceptions.ground_triggers.append(nsxlib_exc.CannotConnectToServer)
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
session_response=[server_error, all_well])
|
|
api.nsxlib_config.exception_config = exceptions
|
|
|
|
api.get('api/v1/transport-zones')
|
|
# first manager should go down, second one is confirmed as UP
|
|
# after retry
|
|
self.assertEqual(cluster.ClusterHealth.ORANGE, api.health)
|
|
|
|
def test_max_retry_attempts_on_server_error(self):
|
|
|
|
def server_error():
|
|
return mocks.MockRequestsResponse(
|
|
codes.INTERNAL_SERVER_ERROR,
|
|
jsonutils.dumps({'error_message': 'test', 'error_code': 98}))
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
exceptions = config.ExceptionConfig()
|
|
exceptions.ground_triggers.append(nsxlib_exc.CannotConnectToServer)
|
|
max_attempts = 4
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts,
|
|
session_response=[server_error for i in range(0, max_attempts)])
|
|
api.nsxlib_config.cluster_unavailable_retry = False
|
|
api.nsxlib_config.exception_config = exceptions
|
|
|
|
self.assertRaises(nsxlib_exc.ServiceClusterUnavailable,
|
|
api.get, 'api/v1/transport-zones')
|
|
self.assertEqual(cluster.ClusterHealth.RED, api.health)
|
|
|
|
def test_max_retry_attempts_on_retriable_error(self):
|
|
|
|
def server_error():
|
|
return mocks.MockRequestsResponse(
|
|
codes.INTERNAL_SERVER_ERROR,
|
|
jsonutils.dumps({'error_message': 'test', 'error_code': 98}))
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
exceptions = config.ExceptionConfig()
|
|
max_attempts = 2
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts,
|
|
session_response=[server_error for i in range(0, max_attempts)])
|
|
api.nsxlib_config.exception_config = exceptions
|
|
|
|
self.assertRaises(nsxlib_exc.CannotConnectToServer,
|
|
api.get, 'api/v1/transport-zones')
|
|
# This exception does not ground endpoint
|
|
self.assertEqual(cluster.ClusterHealth.GREEN, api.health)
|
|
|
|
def test_max_retry_attempts_on_none_json_error(self):
|
|
# handle response not json format
|
|
def server1_error():
|
|
return mocks.MockRequestsResponse(
|
|
codes.SERVICE_UNAVAILABLE,
|
|
"python-requests/2.27.1 d50561a7-7540-4342-88e3-c235e587a19")
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
max_attempts = 2
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts,
|
|
session_response=[server1_error for i in range(0, max_attempts)])
|
|
|
|
self.assertRaises(nsxlib_exc.ServiceUnavailable,
|
|
api.get, 'api/v1/transport-zones')
|
|
self.assertEqual(cluster.ClusterHealth.GREEN, api.health)
|
|
|
|
def test_regenerate_error(self):
|
|
|
|
def server_error():
|
|
return mocks.MockRequestsResponse(
|
|
codes.INTERNAL_SERVER_ERROR,
|
|
jsonutils.dumps({'error_message': 'test', 'error_code': 99}))
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
exceptions = config.ExceptionConfig()
|
|
max_attempts = 2
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts,
|
|
session_response=[server_error for i in range(0, max_attempts)])
|
|
api.nsxlib_config.exception_config = exceptions
|
|
|
|
self.assertRaises(nsxlib_exc.ClientCertificateNotTrusted,
|
|
api.get, 'api/v1/transport-zones')
|
|
self.assertEqual(cluster.ClusterHealth.GREEN, api.health)
|
|
|
|
def test_xsrf_token_error(self):
|
|
def server_error():
|
|
return mocks.MockRequestsResponse(
|
|
codes.FORBIDDEN,
|
|
jsonutils.dumps({'error_message': 'test', 'error_code': 98}))
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
exceptions = config.ExceptionConfig()
|
|
max_attempts = 2
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts,
|
|
session_response=[server_error for i in range(0, max_attempts)])
|
|
api.nsxlib_config.exception_config = exceptions
|
|
|
|
self.assertRaises(nsxlib_exc.BadXSRFToken,
|
|
api.get, 'api/v1/transport-zones')
|
|
self.assertEqual(cluster.ClusterHealth.GREEN, api.health)
|
|
|
|
def test_exception_translation_on_ground_error(self):
|
|
|
|
def server_error():
|
|
raise requests_exceptions.ConnectionError()
|
|
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
exceptions = config.ExceptionConfig()
|
|
max_attempts = 4
|
|
api = self.mock_nsx_clustered_api(
|
|
nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts,
|
|
session_response=[server_error for i in range(0, max_attempts)])
|
|
api.nsxlib_config.exception_config = exceptions
|
|
|
|
self.assertRaises(nsxlib_exc.ServiceClusterUnavailable,
|
|
api.get, 'api/v1/transport-zones')
|
|
self.assertEqual(cluster.ClusterHealth.RED, api.health)
|
|
|
|
def test_cluster_proxy_connection_establish_error(self):
|
|
|
|
def connect_timeout():
|
|
raise requests_exceptions.ConnectTimeout()
|
|
|
|
api = self.mock_nsx_clustered_api(session_response=connect_timeout)
|
|
api._validate = mock.Mock()
|
|
self.assertRaises(nsxlib_exc.ServiceClusterUnavailable,
|
|
api.get, 'api/v1/transport-zones')
|
|
|
|
def test_cluster_proxy_connection_aborted(self):
|
|
|
|
def connect_timeout():
|
|
raise requests_exceptions.ConnectionError("Connection Aborted")
|
|
|
|
def all_good():
|
|
pass
|
|
|
|
# First call will cause connection aborted error, but next one
|
|
# should work
|
|
api = self.mock_nsx_clustered_api(session_response=[connect_timeout,
|
|
all_good])
|
|
api._validate = mock.Mock()
|
|
self.assertEqual(cluster.ClusterHealth.GREEN, api.health)
|
|
|
|
def test_cluster_round_robin_servicing(self):
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
api = self.mock_nsx_clustered_api(nsx_api_managers=conf_managers)
|
|
api._validate = mock.Mock()
|
|
|
|
eps = list(api._endpoints.values())
|
|
|
|
def _get_schedule(num_eps):
|
|
return [api._select_endpoint() for i in range(num_eps)]
|
|
|
|
self.assertEqual(_get_schedule(3), eps)
|
|
|
|
self.assertEqual(_get_schedule(6), [eps[0], eps[1], eps[2],
|
|
eps[0], eps[1], eps[2]])
|
|
|
|
eps[0]._state = cluster.EndpointState.DOWN
|
|
self.assertEqual(_get_schedule(4), [eps[1], eps[2], eps[1], eps[2]])
|
|
|
|
eps[1]._state = cluster.EndpointState.DOWN
|
|
self.assertEqual(_get_schedule(2), [eps[2], eps[2]])
|
|
|
|
eps[0]._state = cluster.EndpointState.UP
|
|
self.assertEqual(_get_schedule(4), [eps[0], eps[2], eps[0], eps[2]])
|
|
|
|
def test_cluster_select_endpoint(self):
|
|
conf_managers = ['8.9.10.11', '9.10.11.12', '10.11.12.13']
|
|
max_attempts = 3
|
|
api = self.mock_nsx_clustered_api(nsx_api_managers=conf_managers,
|
|
max_attempts=max_attempts)
|
|
api.nsxlib_config.cluster_unavailable_retry = False
|
|
api._validate = mock.Mock()
|
|
eps = list(api._endpoints.values())
|
|
|
|
# all up - select the first one
|
|
self.assertEqual(api._select_endpoint(), eps[0])
|
|
|
|
# run again - select the 2nd
|
|
self.assertEqual(api._select_endpoint(), eps[1])
|
|
|
|
# all down - return None
|
|
eps[0]._state = cluster.EndpointState.DOWN
|
|
eps[1]._state = cluster.EndpointState.DOWN
|
|
eps[2]._state = cluster.EndpointState.DOWN
|
|
self.assertEqual(api._select_endpoint(), None)
|
|
|
|
# up till now the validate method should not have been called
|
|
self.assertEqual(api._validate.call_count, 0)
|
|
|
|
# set up the retries flag, and check that validate was called
|
|
# until retries have been exhausted
|
|
api.nsxlib_config.cluster_unavailable_retry = True
|
|
self.assertEqual(api._select_endpoint(), None)
|
|
self.assertEqual(api._validate.call_count, len(eps))
|
|
|
|
# simulate the case where 1 endpoint finally goes up
|
|
self.validate_count = 0
|
|
self.max_validate = max_attempts - 1
|
|
|
|
def _mock_validate(ep):
|
|
if self.validate_count >= self.max_validate:
|
|
ep._state = cluster.EndpointState.UP
|
|
self.validate_count += 1
|
|
|
|
api._validate = _mock_validate
|
|
self.assertEqual(api._select_endpoint(),
|
|
eps[(self.max_validate - 1) % len(eps)])
|
|
self.assertEqual(self.validate_count, self.max_validate + 1)
|
|
|
|
def test_reinitialize_cluster(self):
|
|
with mock.patch.object(cluster.TimeoutSession, 'request',
|
|
return_value=get_sess_create_resp()):
|
|
api = self.mock_nsx_clustered_api()
|
|
# just make sure this api is defined, and does not crash
|
|
api._reinit_cluster()
|
|
|
|
def test_initialize_cluster_without_health_check(self):
|
|
conf_managers = ['8.9.10.11', '9.10.11.12']
|
|
validate_fn = mock.MagicMock()
|
|
api = self.new_mocked_cluster(conf_managers, validate_fn,
|
|
enable_health_check=False)
|
|
self.assertEqual(cluster.ClusterHealth.GREEN, api.health)
|
|
validate_fn.assert_not_called()
|