karbor/karbor/tests/unit/protection/test_pod_protection_plugin.py

196 lines
7.3 KiB
Python

# 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 karbor.common import constants
from karbor.context import RequestContext
from karbor.resource import Resource
from karbor.services.protection.bank_plugin import Bank
from karbor.services.protection.bank_plugin import BankPlugin
from karbor.services.protection.bank_plugin import BankSection
from karbor.services.protection import client_factory
from karbor.services.protection.clients import k8s
from karbor.services.protection.protection_plugins. \
pod.pod_protection_plugin import PodProtectionPlugin
from karbor.services.protection.protection_plugins.pod \
import pod_plugin_schemas
from kubernetes.client.models.v1_object_meta import V1ObjectMeta
from kubernetes.client.models.v1_pod import V1Pod
from kubernetes.client.models.v1_pod_spec import V1PodSpec
from kubernetes.client.models.v1_pod_status import V1PodStatus
from karbor.tests import base
import mock
from oslo_config import cfg
from oslo_config import fixture
class FakeBankPlugin(BankPlugin):
def update_object(self, key, value, context=None):
return
def get_object(self, key, context=None):
return
def list_objects(self, prefix=None, limit=None, marker=None,
sort_dir=None, context=None):
return
def delete_object(self, key, context=None):
return
def get_owner_id(self, context=None):
return
fake_bank = Bank(FakeBankPlugin())
fake_bank_section = BankSection(bank=fake_bank, section="fake")
def call_hooks(operation, checkpoint, resource, context, parameters, **kwargs):
def noop(*args, **kwargs):
pass
hooks = (
'on_prepare_begin',
'on_prepare_finish',
'on_main',
'on_complete',
)
for hook_name in hooks:
hook = getattr(operation, hook_name, noop)
hook(checkpoint, resource, context, parameters, **kwargs)
class Checkpoint(object):
def __init__(self):
self.bank_section = fake_bank_section
def get_resource_bank_section(self, resource_id):
return self.bank_section
class PodProtectionPluginTest(base.TestCase):
def setUp(self):
super(PodProtectionPluginTest, self).setUp()
plugin_config = cfg.ConfigOpts()
plugin_config_fixture = self.useFixture(fixture.Config(plugin_config))
plugin_config_fixture.load_raw_values(
group='poll_interval',
poll_interval=0,
)
self.plugin = PodProtectionPlugin(plugin_config)
k8s.register_opts(cfg.CONF)
cfg.CONF.set_default('k8s_host',
'https://192.168.98.35:6443',
'k8s_client')
cfg.CONF.set_default('k8s_ssl_ca_cert',
'/etc/provider.d/server-ca.crt',
'k8s_client')
cfg.CONF.set_default('k8s_cert_file',
'/etc/provider.d/client-admin.crt',
'k8s_client')
cfg.CONF.set_default('k8s_key_file',
'/etc/provider.d/client-admin.key',
'k8s_client')
self.cntxt = RequestContext(user_id='demo',
project_id='abcd',
auth_token='efgh',
service_catalog=None)
self.k8s_client = None
self.checkpoint = Checkpoint()
def test_get_options_schema(self):
options_schema = self.plugin.get_options_schema(
constants.POD_RESOURCE_TYPE)
self.assertEqual(options_schema,
pod_plugin_schemas.OPTIONS_SCHEMA)
def test_get_restore_schema(self):
options_schema = self.plugin.get_restore_schema(
constants.POD_RESOURCE_TYPE)
self.assertEqual(options_schema,
pod_plugin_schemas.RESTORE_SCHEMA)
def test_get_saved_info_schema(self):
options_schema = self.plugin.get_saved_info_schema(
constants.POD_RESOURCE_TYPE)
self.assertEqual(options_schema,
pod_plugin_schemas.SAVED_INFO_SCHEMA)
@mock.patch('karbor.services.protection.clients.k8s.create')
def test_create_backup(self, mock_k8s_create):
self.k8s_client = client_factory.ClientFactory.create_client(
"k8s", self.cntxt)
resource = Resource(id="c88b92a8-e8b4-504c-bad4-343d92061871",
type=constants.POD_RESOURCE_TYPE,
name='default:busybox-test')
fake_bank_section.update_object = mock.MagicMock()
protect_operation = self.plugin.get_protect_operation(resource)
mock_k8s_create.return_value = self.k8s_client
self.k8s_client.read_namespaced_pod = mock.MagicMock()
self.k8s_client.read_namespaced_pod.return_value = V1Pod(
api_version="v1",
kind="Pod",
metadata=V1ObjectMeta(
name="busybox-test",
namespace="default",
uid="dd8236e1-8c6c-11e7-9b7a-fa163e18e097"),
spec=V1PodSpec(volumes=[], containers=[]),
status=V1PodStatus(phase="Running"))
fake_bank_section.update_object = mock.MagicMock()
call_hooks(protect_operation, self.checkpoint, resource, self.cntxt,
{})
@mock.patch('karbor.services.protection.protection_plugins.utils.'
'update_resource_verify_result')
def test_verify_backup(self, mock_update_verify):
resource = Resource(id="c88b92a8-e8b4-504c-bad4-343d92061871",
type=constants.POD_RESOURCE_TYPE,
name='default:busybox-test')
fake_bank_section.get_object = mock.MagicMock()
fake_bank_section.get_object.return_value = 'available'
verify_operation = self.plugin.get_verify_operation(resource)
call_hooks(verify_operation, self.checkpoint, resource, self.cntxt,
{})
mock_update_verify.assert_called_with(
None, resource.type, resource.id, 'available')
def test_delete_backup(self):
resource = Resource(id="c88b92a8-e8b4-504c-bad4-343d92061871",
type=constants.POD_RESOURCE_TYPE,
name='default:busybox-test')
fake_bank_section.get_object = mock.MagicMock()
fake_bank_section.get_object.return_value = {
"pod_id": "1234"}
fake_bank_section.list_objects = mock.MagicMock()
fake_bank_section.list_objects.return_value = []
delete_operation = self.plugin.get_delete_operation(resource)
call_hooks(delete_operation, self.checkpoint, resource, self.cntxt,
{})
def test_get_supported_resources_types(self):
types = self.plugin.get_supported_resources_types()
self.assertEqual(types,
[constants.POD_RESOURCE_TYPE])