Merge pull request #198 from OpenKMIP/feat/add-operation-policy-loading

Adding dynamic operation policy loading to the KMIP server
This commit is contained in:
Peter Hamilton 2016-11-10 10:48:59 -05:00 committed by GitHub
commit a9264e612f
8 changed files with 578 additions and 23 deletions

View File

@ -13,9 +13,71 @@
# License for the specific language governing permissions and limitations
# under the License.
import json
import six
from kmip.core import enums
def read_policy_from_file(path):
with open(path, 'r') as f:
try:
policy_blob = json.loads(f.read())
except Exception as e:
raise ValueError(
"An error occurred while attempting to parse the JSON "
"file. {0}".format(e)
)
policies = dict()
for name, object_policies in six.iteritems(policy_blob):
processed_object_policies = dict()
for object_type, operation_policies in six.iteritems(object_policies):
processed_operation_policies = dict()
for operation, permission in six.iteritems(operation_policies):
try:
enum_operation = enums.Operation[operation]
except Exception:
raise ValueError(
"'{0}' is not a valid Operation value.".format(
operation
)
)
try:
enum_policy = enums.Policy[permission]
except Exception:
raise ValueError(
"'{0}' is not a valid Policy value.".format(
permission
)
)
processed_operation_policies.update([
(enum_operation, enum_policy)
])
try:
enum_type = enums.ObjectType[object_type]
except Exception:
raise ValueError(
"'{0}' is not a valid ObjectType value.".format(
object_type
)
)
processed_object_policies.update([
(enum_type, processed_operation_policies)
])
policies.update([(name, processed_object_policies)])
return policies
policies = {
'default': {
enums.ObjectType.CERTIFICATE: {

View File

@ -41,7 +41,8 @@ class KmipServerConfig(object):
'certificate_path',
'key_path',
'ca_path',
'auth_suite'
'auth_suite',
'policy_path'
]
def set_setting(self, setting, value):
@ -75,8 +76,10 @@ class KmipServerConfig(object):
self._set_key_path(value)
elif setting == 'ca_path':
self._set_ca_path(value)
else:
elif setting == 'auth_suite':
self._set_auth_suite(value)
else:
self._set_policy_path(value)
def load_settings(self, path):
"""
@ -141,6 +144,8 @@ class KmipServerConfig(object):
self._set_ca_path(parser.get('server', 'ca_path'))
if parser.has_option('server', 'auth_suite'):
self._set_auth_suite(parser.get('server', 'auth_suite'))
if parser.has_option('server', 'policy_path'):
self._set_policy_path(parser.get('server', 'policy_path'))
def _set_hostname(self, value):
if isinstance(value, six.string_types):
@ -224,3 +229,20 @@ class KmipServerConfig(object):
)
else:
self.settings['auth_suite'] = value
def _set_policy_path(self, value):
if value is None:
self.settings['policy_path'] = None
elif isinstance(value, six.string_types):
if os.path.exists(value):
self.settings['policy_path'] = value
else:
raise exceptions.ConfigurationError(
"The policy path value, if specified, must be a valid "
"string path to a filesystem directory."
)
else:
raise exceptions.ConfigurationError(
"The policy path, if specified, must be a valid string path "
"to a filesystem directory."
)

View File

@ -13,7 +13,9 @@
# License for the specific language governing permissions and limitations
# under the License.
import copy
import logging
import os
import six
import sqlalchemy
@ -42,7 +44,7 @@ from kmip.core.messages.payloads import register
from kmip.core import misc
from kmip.core.policy import policies
from kmip.core import policy as operation_policy
from kmip.pie import factory
from kmip.pie import objects
@ -77,9 +79,14 @@ class KmipEngine(object):
* Cryptographic usage mask enforcement per object type
"""
def __init__(self):
def __init__(self, policy_path=None):
"""
Create a KmipEngine.
Args:
policy_path (string): The path to the filesystem directory
containing PyKMIP server operation policy JSON files.
Optional, defaults to None.
"""
self._logger = logging.getLogger('kmip.server.engine')
@ -118,10 +125,69 @@ class KmipEngine(object):
}
self._attribute_policy = policy.AttributePolicy(self._protocol_version)
self._operation_policies = policies
self._operation_policies = copy.deepcopy(operation_policy.policies)
self._load_operation_policies(policy_path)
self._client_identity = None
def _load_operation_policies(self, policy_path):
if (policy_path is None) or (not os.path.isdir(policy_path)):
self._logger.warning(
"The specified operation policy directory ({0}) is not "
"valid. No user-defined policies will be loaded".format(
policy_path
)
)
return dict()
else:
self._logger.info(
"Loading user-defined operation policy files from: {0}".format(
policy_path
)
)
for filename in os.listdir(policy_path):
file_path = os.path.join(policy_path, filename)
if os.path.isfile(file_path):
self._logger.info(
"Loading user_defined operation policies "
"from file: {0}".format(file_path)
)
try:
policies = operation_policy.read_policy_from_file(
file_path
)
except ValueError as e:
self._logger.error(
"A failure occurred while loading policies."
)
self._logger.exception(e)
continue
reserved_policies = ['default', 'public']
for policy_name in six.iterkeys(policies):
if policy_name in reserved_policies:
self._logger.warning(
"Loaded policy '{0}' overwrites a reserved "
"policy and will be thrown out.".format(
policy_name
)
)
elif policy_name in six.iterkeys(
self._operation_policies
):
self._logger.warning(
"Loaded policy '{0}' overwrites a "
"preexisting policy and will be thrown "
"out.".format(policy_name)
)
else:
self._operation_policies.update([(
policy_name,
policies.get(policy_name)
)])
def _get_enum_string(self, e):
return ''.join([x.capitalize() for x in e.name.split('_')])

View File

@ -50,7 +50,9 @@ class KmipServer(object):
ca_path=None,
auth_suite=None,
config_path='/etc/pykmip/server.conf',
log_path='/var/log/pykmip/server.log'):
log_path='/var/log/pykmip/server.log',
policy_path='/etc/pykmip/policies'
):
"""
Create a KmipServer.
@ -91,6 +93,9 @@ class KmipServer(object):
log_path (string): The path to the base server log file
(e.g., '/var/log/pykmip/server.log'). Optional, defaults to
'/var/log/pykmip/server.log'.
policy_path (string): The path to the filesystem directory
containing PyKMIP server operation policy JSON files.
Optional, defaults to '/etc/pykmip/policies'.
"""
self._logger = logging.getLogger('kmip.server')
self._setup_logging(log_path)
@ -103,7 +108,8 @@ class KmipServer(object):
certificate_path,
key_path,
ca_path,
auth_suite
auth_suite,
policy_path
)
if self.config.settings.get('auth_suite') == 'TLS1.2':
@ -111,7 +117,9 @@ class KmipServer(object):
else:
self.auth_suite = auth.BasicAuthenticationSuite()
self._engine = engine.KmipEngine()
self._engine = engine.KmipEngine(
self.config.settings.get('policy_path')
)
self._session_id = 1
self._is_serving = False
@ -144,7 +152,9 @@ class KmipServer(object):
certificate_path=None,
key_path=None,
ca_path=None,
auth_suite=None):
auth_suite=None,
policy_path=None
):
if path:
self.config.load_settings(path)
@ -160,6 +170,8 @@ class KmipServer(object):
self.config.set_setting('ca_path', ca_path)
if auth_suite:
self.config.set_setting('auth_suite', auth_suite)
if policy_path:
self.config.set_setting('policy_path', policy_path)
def start(self):
"""
@ -447,6 +459,18 @@ def build_argument_parser():
"A string representing a path to a log file. Defaults to None."
),
)
parser.add_option(
"-o",
"--policy_path",
action="store",
type="str",
default=None,
dest="policy_path",
help=(
"A string representing a path to the operation policy filesystem "
"directory. Optional, defaults to None."
),
)
return parser
@ -473,6 +497,8 @@ def main(args=None):
kwargs['config_path'] = opts.config_path
if opts.log_path:
kwargs['log_path'] = opts.log_path
if opts.policy_path:
kwargs['policy_path'] = opts.policy_path
# Create and start the server.
s = KmipServer(**kwargs)

View File

@ -0,0 +1,130 @@
# Copyright (c) 2016 The Johns Hopkins University/Applied Physics Laboratory
# All Rights Reserved.
#
# 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.
import shutil
import tempfile
import testtools
from kmip.core import enums
from kmip.core import policy
class TestPolicy(testtools.TestCase):
def setUp(self):
super(TestPolicy, self).setUp()
self.temp_dir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.temp_dir)
def tearDown(self):
super(TestPolicy, self).tearDown()
def test_read_policy_from_file(self):
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}}'
)
policies = policy.read_policy_from_file(policy_file.name)
self.assertEqual(1, len(policies))
self.assertIn('test', policies.keys())
test_policy = {
enums.ObjectType.CERTIFICATE: {
enums.Operation.LOCATE: enums.Policy.ALLOW_ALL
}
}
self.assertEqual(test_policy, policies.get('test'))
def test_read_policy_from_file_empty(self):
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write('')
args = (policy_file.name, )
regex = "An error occurred while attempting to parse the JSON file."
self.assertRaisesRegexp(
ValueError,
regex,
policy.read_policy_from_file,
*args
)
def test_read_policy_from_file_bad_object_type(self):
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"INVALID": {"LOCATE": "ALLOW_ALL"}}}'
)
args = (policy_file.name, )
regex = "'INVALID' is not a valid ObjectType value."
self.assertRaisesRegexp(
ValueError,
regex,
policy.read_policy_from_file,
*args
)
def test_read_policy_from_file_bad_operation(self):
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"INVALID": "ALLOW_ALL"}}}'
)
args = (policy_file.name, )
regex = "'INVALID' is not a valid Operation value."
self.assertRaisesRegexp(
ValueError,
regex,
policy.read_policy_from_file,
*args
)
def test_read_policy_from_file_bad_permission(self):
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir,
delete=False
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"LOCATE": "INVALID"}}}'
)
args = (policy_file.name, )
regex = "'INVALID' is not a valid Policy value."
self.assertRaisesRegexp(
ValueError,
regex,
policy.read_policy_from_file,
*args
)

View File

@ -53,6 +53,7 @@ class TestKmipServerConfig(testtools.TestCase):
c._set_hostname = mock.MagicMock()
c._set_key_path = mock.MagicMock()
c._set_port = mock.MagicMock()
c._set_policy_path = mock.MagicMock()
# Test the right error is generated when setting an unsupported
# setting.
@ -88,6 +89,9 @@ class TestKmipServerConfig(testtools.TestCase):
c.set_setting('auth_suite', 'Basic')
c._set_auth_suite.assert_called_once_with('Basic')
c.set_setting('policy_path', '/etc/pykmip/policies')
c._set_policy_path.assert_called_once_with('/etc/pykmip/policies')
def test_load_settings(self):
"""
Test that the right calls are made and the right errors generated when
@ -139,6 +143,7 @@ class TestKmipServerConfig(testtools.TestCase):
c._set_hostname = mock.MagicMock()
c._set_key_path = mock.MagicMock()
c._set_port = mock.MagicMock()
c._set_policy_path = mock.MagicMock()
# Test that the right calls are made when correctly parsing settings.
parser = configparser.SafeConfigParser()
@ -149,6 +154,7 @@ class TestKmipServerConfig(testtools.TestCase):
parser.set('server', 'key_path', '/test/path/server.key')
parser.set('server', 'ca_path', '/test/path/ca.crt')
parser.set('server', 'auth_suite', 'Basic')
parser.set('server', 'policy_path', '/test/path/policies')
c._parse_settings(parser)
@ -160,6 +166,7 @@ class TestKmipServerConfig(testtools.TestCase):
c._set_key_path.assert_called_once_with('/test/path/server.key')
c._set_ca_path.assert_called_once_with('/test/path/ca.crt')
c._set_auth_suite.assert_called_once_with('Basic')
c._set_policy_path.assert_called_once_with('/test/path/policies')
# Test that a ConfigurationError is generated when the expected
# section is missing.
@ -478,3 +485,48 @@ class TestKmipServerConfig(testtools.TestCase):
*args
)
self.assertNotEqual('invalid', c.settings.get('auth_suite'))
def test_set_policy_path(self):
"""
Test that the policy_path configuration property can be set correctly.
"""
c = config.KmipServerConfig()
c._logger = mock.MagicMock()
self.assertNotIn('policy_path', c.settings.keys())
# Test that the setting is set correctly with a valid value.
with mock.patch('os.path.exists') as os_mock:
os_mock.return_value = True
c._set_policy_path('/test/path/policies')
self.assertIn('policy_path', c.settings.keys())
self.assertEqual(
'/test/path/policies',
c.settings.get('policy_path')
)
c._set_policy_path(None)
self.assertIn('policy_path', c.settings.keys())
self.assertEqual(None, c.settings.get('policy_path'))
# Test that a ConfigurationError is generated when setting the wrong
# value.
c._logger.reset_mock()
args = (0, )
self.assertRaises(
exceptions.ConfigurationError,
c._set_policy_path,
*args
)
self.assertNotEqual(0, c.settings.get('policy_path'))
args = ('/test/path/policies', )
with mock.patch('os.path.exists') as os_mock:
os_mock.return_value = False
self.assertRaises(
exceptions.ConfigurationError,
c._set_policy_path,
*args
)
self.assertNotEqual(0, c.settings.get('policy_path'))

View File

@ -14,10 +14,12 @@
# under the License.
import mock
import shutil
import sqlalchemy
from sqlalchemy.orm import exc
import tempfile
import testtools
import time
@ -74,6 +76,9 @@ class TestKmipEngine(testtools.TestCase):
bind=self.engine
)
self.temp_dir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.temp_dir)
def tearDown(self):
super(TestKmipEngine, self).tearDown()
@ -133,6 +138,175 @@ class TestKmipEngine(testtools.TestCase):
"""
engine.KmipEngine()
def test_load_operation_policies(self):
"""
Test that the KmipEngine can correctly load operation policies.
"""
e = engine.KmipEngine()
e._logger = mock.MagicMock()
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}}'
)
self.assertEqual(2, len(e._operation_policies))
e._load_operation_policies(self.temp_dir)
e._logger.info.assert_any_call(
"Loading user-defined operation policy files from: {0}".format(
self.temp_dir
)
)
e._logger.info.assert_any_call(
"Loading user_defined operation policies from file: {0}".format(
policy_file.name
)
)
self.assertEqual(3, len(e._operation_policies))
self.assertIn('test', e._operation_policies.keys())
test_policy = {
enums.ObjectType.CERTIFICATE: {
enums.Operation.LOCATE: enums.Policy.ALLOW_ALL
}
}
self.assertEqual(test_policy, e._operation_policies.get('test'))
def test_load_operation_policies_with_file_read_error(self):
"""
Test that the KmipEngine can correctly handle load errors.
"""
e = engine.KmipEngine()
e._logger = mock.MagicMock()
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir
)
with open(policy_file.name, 'w') as f:
f.write(
'{"test": {"INVALID": {"LOCATE": "ALLOW_ALL"}}}'
)
self.assertEqual(2, len(e._operation_policies))
e._load_operation_policies(self.temp_dir)
e._logger.info.assert_any_call(
"Loading user-defined operation policy files from: {0}".format(
self.temp_dir
)
)
e._logger.info.assert_any_call(
"Loading user_defined operation policies from file: {0}".format(
policy_file.name
)
)
e._logger.error.assert_called_once_with(
"A failure occurred while loading policies."
)
e._logger.exception.assert_called_once()
self.assertEqual(2, len(e._operation_policies))
def test_load_operation_policies_with_reserved(self):
"""
Test that the KmipEngine can correctly load operation policies, even
when a policy attempts to overwrite a reserved one.
"""
e = engine.KmipEngine()
e._logger = mock.MagicMock()
policy_file = tempfile.NamedTemporaryFile(
dir=self.temp_dir
)
with open(policy_file.name, 'w') as f:
f.write(
'{"public": {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}}'
)
self.assertEqual(2, len(e._operation_policies))
e._load_operation_policies(self.temp_dir)
e._logger.info.assert_any_call(
"Loading user-defined operation policy files from: {0}".format(
self.temp_dir
)
)
e._logger.info.assert_any_call(
"Loading user_defined operation policies from file: {0}".format(
policy_file.name
)
)
e._logger.warning.assert_called_once_with(
"Loaded policy 'public' overwrites a reserved policy and will "
"be thrown out."
)
self.assertEqual(2, len(e._operation_policies))
def test_load_operation_policies_with_duplicate(self):
"""
Test that the KmipEngine can correctly load operation policies, even
when a policy is defined multiple times.
"""
e = engine.KmipEngine()
e._logger = mock.MagicMock()
policy_file_a = tempfile.NamedTemporaryFile(
dir=self.temp_dir
)
with open(policy_file_a.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}}'
)
policy_file_b = tempfile.NamedTemporaryFile(
dir=self.temp_dir
)
with open(policy_file_b.name, 'w') as f:
f.write(
'{"test": {"CERTIFICATE": {"LOCATE": "ALLOW_ALL"}}}'
)
self.assertEqual(2, len(e._operation_policies))
e._load_operation_policies(self.temp_dir)
e._logger.info.assert_any_call(
"Loading user-defined operation policy files from: {0}".format(
self.temp_dir
)
)
e._logger.info.assert_any_call(
"Loading user_defined operation policies from file: {0}".format(
policy_file_a.name
)
)
e._logger.info.assert_any_call(
"Loading user_defined operation policies from file: {0}".format(
policy_file_b.name
)
)
e._logger.warning.assert_called_once_with(
"Loaded policy 'test' overwrites a preexisting policy and will "
"be thrown out."
)
self.assertEqual(3, len(e._operation_policies))
self.assertIn('test', e._operation_policies.keys())
test_policy = {
enums.ObjectType.CERTIFICATE: {
enums.Operation.LOCATE: enums.Policy.ALLOW_ALL
}
}
self.assertEqual(test_policy, e._operation_policies.get('test'))
def test_version_operation_match(self):
"""
Test that a valid response is generated when trying to invoke an

View File

@ -91,13 +91,17 @@ class TestKmipServer(testtools.TestCase):
self.assertTrue(s._logger.addHandler.called)
s._logger.setLevel.assert_called_once_with(logging.INFO)
@mock.patch('kmip.services.server.engine.KmipEngine')
@mock.patch('kmip.services.auth.TLS12AuthenticationSuite')
@mock.patch('kmip.services.server.server.KmipServer._setup_logging')
def test_setup_configuration(self, logging_mock, auth_mock):
def test_setup_configuration(self, logging_mock, auth_mock, engine_mock):
"""
Test that the server setup configuration works without error.
"""
s = server.KmipServer(config_path=None)
s = server.KmipServer(
config_path=None,
policy_path=None
)
s.config = mock.MagicMock()
# Test the right calls are made when reinvoking config setup
@ -108,7 +112,8 @@ class TestKmipServer(testtools.TestCase):
'/etc/pykmip/certs/server.crt',
'/etc/pykmip/certs/server.key',
'/etc/pykmip/certs/ca.crt',
'Basic'
'Basic',
'/etc/pykmip/policies'
)
s.config.load_settings.assert_called_with('/etc/pykmip/server.conf')
@ -127,14 +132,23 @@ class TestKmipServer(testtools.TestCase):
'/etc/pykmip/certs/ca.crt'
)
s.config.set_setting.assert_any_call('auth_suite', 'Basic')
s.config.set_setting.assert_any_call(
'policy_path',
'/etc/pykmip/policies'
)
# Test that an attempt is made to instantiate the TLS 1.2 auth suite
s = server.KmipServer(auth_suite='TLS1.2', config_path=None)
s = server.KmipServer(
auth_suite='TLS1.2',
config_path=None,
policy_path=None
)
self.assertEqual('TLS1.2', s.config.settings.get('auth_suite'))
self.assertIsNotNone(s.auth_suite)
@mock.patch('kmip.services.server.engine.KmipEngine')
@mock.patch('kmip.services.server.server.KmipServer._setup_logging')
def test_start(self, logging_mock):
def test_start(self, logging_mock, engine_mock):
"""
Test that starting the KmipServer either runs as expected or generates
the expected error.
@ -145,7 +159,8 @@ class TestKmipServer(testtools.TestCase):
s = server.KmipServer(
hostname='127.0.0.1',
port=5696,
config_path=None
config_path=None,
policy_path=None
)
s._logger = mock.MagicMock()
@ -205,8 +220,9 @@ class TestKmipServer(testtools.TestCase):
)
s._logger.exception.assert_called_once_with(test_exception)
@mock.patch('kmip.services.server.engine.KmipEngine')
@mock.patch('kmip.services.server.server.KmipServer._setup_logging')
def test_stop(self, logging_mock):
def test_stop(self, logging_mock, engine_mock):
"""
Test that the right calls and log messages are triggered while
cleaning up the server and any remaining sessions.
@ -214,7 +230,8 @@ class TestKmipServer(testtools.TestCase):
s = server.KmipServer(
hostname='127.0.0.1',
port=5696,
config_path=None
config_path=None,
policy_path=None
)
s._logger = mock.MagicMock()
s._socket = mock.MagicMock()
@ -321,8 +338,9 @@ class TestKmipServer(testtools.TestCase):
s._socket.close.assert_called_once_with()
s._logger.exception(test_exception)
@mock.patch('kmip.services.server.engine.KmipEngine')
@mock.patch('kmip.services.server.server.KmipServer._setup_logging')
def test_serve(self, logging_mock):
def test_serve(self, logging_mock, engine_mock):
"""
Test that the right calls and log messages are triggered while
serving connections.
@ -330,7 +348,8 @@ class TestKmipServer(testtools.TestCase):
s = server.KmipServer(
hostname='127.0.0.1',
port=5696,
config_path=None
config_path=None,
policy_path=None
)
s._is_serving = True
s._logger = mock.MagicMock()
@ -400,8 +419,9 @@ class TestKmipServer(testtools.TestCase):
handler(None, None)
self.assertFalse(s._is_serving)
@mock.patch('kmip.services.server.engine.KmipEngine')
@mock.patch('kmip.services.server.server.KmipServer._setup_logging')
def test_setup_connection_handler(self, logging_mock):
def test_setup_connection_handler(self, logging_mock, engine_mock):
"""
Test that a KmipSession can be successfully created and spun off from
the KmipServer.
@ -409,7 +429,8 @@ class TestKmipServer(testtools.TestCase):
s = server.KmipServer(
hostname='127.0.0.1',
port=5696,
config_path=None
config_path=None,
policy_path=None
)
s._logger = mock.MagicMock()
@ -455,8 +476,9 @@ class TestKmipServer(testtools.TestCase):
self.assertEqual(3, s._session_id)
@mock.patch('kmip.services.server.engine.KmipEngine')
@mock.patch('kmip.services.server.server.KmipServer._setup_logging')
def test_as_context_manager(self, logging_mock):
def test_as_context_manager(self, logging_mock, engine_mock):
"""
Test that the right methods are called when the KmipServer is used
as a context manager.
@ -464,7 +486,8 @@ class TestKmipServer(testtools.TestCase):
s = server.KmipServer(
hostname='127.0.0.1',
port=5696,
config_path=None
config_path=None,
policy_path=None
)
s._logger = mock.MagicMock()
s.start = mock.MagicMock()