nova/nova/tests/api/openstack/compute/contrib/test_cells.py

405 lines
15 KiB
Python

# Copyright 2011-2012 OpenStack Foundation
# 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 copy
from lxml import etree
from webob import exc
from nova.api.openstack.compute.contrib import cells as cells_ext
from nova.api.openstack import xmlutil
from nova.cells import rpcapi as cells_rpcapi
from nova import context
from nova import db
from nova import exception
from nova.openstack.common import timeutils
from nova import test
from nova.tests.api.openstack import fakes
from nova.tests import utils
FAKE_CELLS = [
dict(id=1, name='cell1', username='bob', is_parent=True,
weight_scale=1.0, weight_offset=0.0,
rpc_host='r1.example.org', password='xxxx'),
dict(id=2, name='cell2', username='alice', is_parent=False,
weight_scale=1.0, weight_offset=0.0,
rpc_host='r2.example.org', password='qwerty')]
FAKE_CAPABILITIES = [
{'cap1': '0,1', 'cap2': '2,3'},
{'cap3': '4,5', 'cap4': '5,6'}]
def fake_db_cell_get(context, cell_name):
for cell in FAKE_CELLS:
if cell_name == cell['name']:
return cell
else:
raise exception.CellNotFound(cell_name=cell_name)
def fake_db_cell_create(context, values):
cell = dict(id=1)
cell.update(values)
return cell
def fake_db_cell_update(context, cell_id, values):
cell = fake_db_cell_get(context, cell_id)
cell.update(values)
return cell
def fake_cells_api_get_all_cell_info(*args):
cells = copy.deepcopy(FAKE_CELLS)
del cells[0]['password']
del cells[1]['password']
for i, cell in enumerate(cells):
cell['capabilities'] = FAKE_CAPABILITIES[i]
return cells
def fake_db_cell_get_all(context):
return FAKE_CELLS
class CellsTest(test.TestCase):
def setUp(self):
super(CellsTest, self).setUp()
self.stubs.Set(db, 'cell_get', fake_db_cell_get)
self.stubs.Set(db, 'cell_get_all', fake_db_cell_get_all)
self.stubs.Set(db, 'cell_update', fake_db_cell_update)
self.stubs.Set(db, 'cell_create', fake_db_cell_create)
self.stubs.Set(cells_rpcapi.CellsAPI, 'get_cell_info_for_neighbors',
fake_cells_api_get_all_cell_info)
self.controller = cells_ext.Controller()
self.context = context.get_admin_context()
def _get_request(self, resource):
return fakes.HTTPRequest.blank('/v2/fake/' + resource)
def test_index(self):
req = self._get_request("cells")
res_dict = self.controller.index(req)
self.assertEqual(len(res_dict['cells']), 2)
for i, cell in enumerate(res_dict['cells']):
self.assertEqual(cell['name'], FAKE_CELLS[i]['name'])
self.assertNotIn('capabilitiles', cell)
self.assertNotIn('password', cell)
def test_detail(self):
req = self._get_request("cells/detail")
res_dict = self.controller.detail(req)
self.assertEqual(len(res_dict['cells']), 2)
for i, cell in enumerate(res_dict['cells']):
self.assertEqual(cell['name'], FAKE_CELLS[i]['name'])
self.assertEqual(cell['capabilities'], FAKE_CAPABILITIES[i])
self.assertNotIn('password', cell)
def test_show_bogus_cell_raises(self):
req = self._get_request("cells/bogus")
self.assertRaises(exc.HTTPNotFound, self.controller.show, req, 'bogus')
def test_get_cell_by_name(self):
req = self._get_request("cells/cell1")
res_dict = self.controller.show(req, 'cell1')
cell = res_dict['cell']
self.assertEqual(cell['name'], 'cell1')
self.assertEqual(cell['rpc_host'], 'r1.example.org')
self.assertNotIn('password', cell)
def test_cell_delete(self):
call_info = {'delete_called': 0}
def fake_db_cell_delete(context, cell_name):
self.assertEqual(cell_name, 'cell999')
call_info['delete_called'] += 1
self.stubs.Set(db, 'cell_delete', fake_db_cell_delete)
req = self._get_request("cells/cell999")
self.controller.delete(req, 'cell999')
self.assertEqual(call_info['delete_called'], 1)
def test_delete_bogus_cell_raises(self):
req = self._get_request("cells/cell999")
req.environ['nova.context'] = self.context
self.assertRaises(exc.HTTPNotFound, self.controller.delete, req,
'cell999')
def test_cell_create_parent(self):
body = {'cell': {'name': 'meow',
'username': 'fred',
'password': 'fubar',
'rpc_host': 'r3.example.org',
'type': 'parent',
# Also test this is ignored/stripped
'is_parent': False}}
req = self._get_request("cells")
res_dict = self.controller.create(req, body)
cell = res_dict['cell']
self.assertEqual(cell['name'], 'meow')
self.assertEqual(cell['username'], 'fred')
self.assertEqual(cell['rpc_host'], 'r3.example.org')
self.assertEqual(cell['type'], 'parent')
self.assertNotIn('password', cell)
self.assertNotIn('is_parent', cell)
def test_cell_create_child(self):
body = {'cell': {'name': 'meow',
'username': 'fred',
'password': 'fubar',
'rpc_host': 'r3.example.org',
'type': 'child'}}
req = self._get_request("cells")
res_dict = self.controller.create(req, body)
cell = res_dict['cell']
self.assertEqual(cell['name'], 'meow')
self.assertEqual(cell['username'], 'fred')
self.assertEqual(cell['rpc_host'], 'r3.example.org')
self.assertEqual(cell['type'], 'child')
self.assertNotIn('password', cell)
self.assertNotIn('is_parent', cell)
def test_cell_create_no_name_raises(self):
body = {'cell': {'username': 'moocow',
'password': 'secret',
'rpc_host': 'r3.example.org',
'type': 'parent'}}
req = self._get_request("cells")
self.assertRaises(exc.HTTPBadRequest,
self.controller.create, req, body)
def test_cell_create_name_empty_string_raises(self):
body = {'cell': {'name': '',
'username': 'fred',
'password': 'secret',
'rpc_host': 'r3.example.org',
'type': 'parent'}}
req = self._get_request("cells")
self.assertRaises(exc.HTTPBadRequest,
self.controller.create, req, body)
def test_cell_create_name_with_bang_raises(self):
body = {'cell': {'name': 'moo!cow',
'username': 'fred',
'password': 'secret',
'rpc_host': 'r3.example.org',
'type': 'parent'}}
req = self._get_request("cells")
self.assertRaises(exc.HTTPBadRequest,
self.controller.create, req, body)
def test_cell_create_name_with_dot_raises(self):
body = {'cell': {'name': 'moo.cow',
'username': 'fred',
'password': 'secret',
'rpc_host': 'r3.example.org',
'type': 'parent'}}
req = self._get_request("cells")
self.assertRaises(exc.HTTPBadRequest,
self.controller.create, req, body)
def test_cell_create_name_with_invalid_type_raises(self):
body = {'cell': {'name': 'moocow',
'username': 'fred',
'password': 'secret',
'rpc_host': 'r3.example.org',
'type': 'invalid'}}
req = self._get_request("cells")
self.assertRaises(exc.HTTPBadRequest,
self.controller.create, req, body)
def test_cell_update(self):
body = {'cell': {'username': 'zeb',
'password': 'sneaky'}}
req = self._get_request("cells/cell1")
res_dict = self.controller.update(req, 'cell1', body)
cell = res_dict['cell']
self.assertEqual(cell['name'], 'cell1')
self.assertEqual(cell['rpc_host'], FAKE_CELLS[0]['rpc_host'])
self.assertEqual(cell['username'], 'zeb')
self.assertNotIn('password', cell)
def test_cell_update_empty_name_raises(self):
body = {'cell': {'name': '',
'username': 'zeb',
'password': 'sneaky'}}
req = self._get_request("cells/cell1")
self.assertRaises(exc.HTTPBadRequest,
self.controller.update, req, 'cell1', body)
def test_cell_update_invalid_type_raises(self):
body = {'cell': {'username': 'zeb',
'type': 'invalid',
'password': 'sneaky'}}
req = self._get_request("cells/cell1")
self.assertRaises(exc.HTTPBadRequest,
self.controller.update, req, 'cell1', body)
def test_cell_info(self):
caps = ['cap1=a;b', 'cap2=c;d']
self.flags(name='darksecret', capabilities=caps, group='cells')
req = self._get_request("cells/info")
res_dict = self.controller.info(req)
cell = res_dict['cell']
cell_caps = cell['capabilities']
self.assertEqual(cell['name'], 'darksecret')
self.assertEqual(cell_caps['cap1'], 'a;b')
self.assertEqual(cell_caps['cap2'], 'c;d')
def test_sync_instances(self):
call_info = {}
def sync_instances(self, context, **kwargs):
call_info['project_id'] = kwargs.get('project_id')
call_info['updated_since'] = kwargs.get('updated_since')
self.stubs.Set(cells_rpcapi.CellsAPI, 'sync_instances', sync_instances)
req = self._get_request("cells/sync_instances")
body = {}
self.controller.sync_instances(req, body=body)
self.assertEqual(call_info['project_id'], None)
self.assertEqual(call_info['updated_since'], None)
body = {'project_id': 'test-project'}
self.controller.sync_instances(req, body=body)
self.assertEqual(call_info['project_id'], 'test-project')
self.assertEqual(call_info['updated_since'], None)
expected = timeutils.utcnow().isoformat()
if not expected.endswith("+00:00"):
expected += "+00:00"
body = {'updated_since': expected}
self.controller.sync_instances(req, body=body)
self.assertEqual(call_info['project_id'], None)
self.assertEqual(call_info['updated_since'], expected)
body = {'updated_since': 'skjdfkjsdkf'}
self.assertRaises(exc.HTTPBadRequest,
self.controller.sync_instances, req, body=body)
body = {'foo': 'meow'}
self.assertRaises(exc.HTTPBadRequest,
self.controller.sync_instances, req, body=body)
class TestCellsXMLSerializer(test.TestCase):
def test_multiple_cells(self):
fixture = {'cells': fake_cells_api_get_all_cell_info()}
serializer = cells_ext.CellsTemplate()
output = serializer.serialize(fixture)
res_tree = etree.XML(output)
self.assertEqual(res_tree.tag, '{%s}cells' % xmlutil.XMLNS_V10)
self.assertEqual(len(res_tree), 2)
self.assertEqual(res_tree[0].tag, '{%s}cell' % xmlutil.XMLNS_V10)
self.assertEqual(res_tree[1].tag, '{%s}cell' % xmlutil.XMLNS_V10)
def test_single_cell_with_caps(self):
cell = {'id': 1,
'name': 'darksecret',
'username': 'meow',
'capabilities': {'cap1': 'a;b',
'cap2': 'c;d'}}
fixture = {'cell': cell}
serializer = cells_ext.CellTemplate()
output = serializer.serialize(fixture)
res_tree = etree.XML(output)
self.assertEqual(res_tree.tag, '{%s}cell' % xmlutil.XMLNS_V10)
self.assertEqual(res_tree.get('name'), 'darksecret')
self.assertEqual(res_tree.get('username'), 'meow')
self.assertEqual(res_tree.get('password'), None)
self.assertEqual(len(res_tree), 1)
child = res_tree[0]
self.assertEqual(child.tag,
'{%s}capabilities' % xmlutil.XMLNS_V10)
for elem in child:
self.assertIn(elem.tag, ('{%s}cap1' % xmlutil.XMLNS_V10,
'{%s}cap2' % xmlutil.XMLNS_V10))
if elem.tag == '{%s}cap1' % xmlutil.XMLNS_V10:
self.assertEqual(elem.text, 'a;b')
elif elem.tag == '{%s}cap2' % xmlutil.XMLNS_V10:
self.assertEqual(elem.text, 'c;d')
def test_single_cell_without_caps(self):
cell = {'id': 1,
'username': 'woof',
'name': 'darksecret'}
fixture = {'cell': cell}
serializer = cells_ext.CellTemplate()
output = serializer.serialize(fixture)
res_tree = etree.XML(output)
self.assertEqual(res_tree.tag, '{%s}cell' % xmlutil.XMLNS_V10)
self.assertEqual(res_tree.get('name'), 'darksecret')
self.assertEqual(res_tree.get('username'), 'woof')
self.assertEqual(res_tree.get('password'), None)
self.assertEqual(len(res_tree), 0)
class TestCellsXMLDeserializer(test.TestCase):
def test_cell_deserializer(self):
caps_dict = {'cap1': 'a;b',
'cap2': 'c;d'}
caps_xml = ("<capabilities><cap1>a;b</cap1>"
"<cap2>c;d</cap2></capabilities>")
expected = {'cell': {'name': 'testcell1',
'type': 'child',
'rpc_host': 'localhost',
'capabilities': caps_dict}}
intext = ("<?xml version='1.0' encoding='UTF-8'?>\n"
"<cell><name>testcell1</name><type>child</type>"
"<rpc_host>localhost</rpc_host>"
"%s</cell>") % caps_xml
deserializer = cells_ext.CellDeserializer()
result = deserializer.deserialize(intext)
self.assertEqual(dict(body=expected), result)
def test_with_corrupt_xml(self):
deserializer = cells_ext.CellDeserializer()
self.assertRaises(
exception.MalformedRequestBody,
deserializer.deserialize,
utils.killer_xml_body())