cinder/cinder/tests/api/v2/test_snapshots.py

462 lines
17 KiB
Python

# Copyright 2011 Denali Systems, Inc.
# 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 datetime
from lxml import etree
import webob
from cinder.api.v2 import snapshots
from cinder import db
from cinder import exception
from cinder.openstack.common import log as logging
from cinder import test
from cinder.tests.api import fakes
from cinder.tests.api.v2 import stubs
from cinder import volume
LOG = logging.getLogger(__name__)
UUID = '00000000-0000-0000-0000-000000000001'
INVALID_UUID = '00000000-0000-0000-0000-000000000002'
def _get_default_snapshot_param():
return {
'id': UUID,
'volume_id': 12,
'status': 'available',
'volume_size': 100,
'created_at': None,
'display_name': 'Default name',
'display_description': 'Default description',
}
def stub_snapshot_create(self, context,
volume_id, name,
description, metadata):
snapshot = _get_default_snapshot_param()
snapshot['volume_id'] = volume_id
snapshot['display_name'] = name
snapshot['display_description'] = description
snapshot['metadata'] = metadata
return snapshot
def stub_snapshot_delete(self, context, snapshot):
if snapshot['id'] != UUID:
raise exception.NotFound
def stub_snapshot_get(self, context, snapshot_id):
if snapshot_id != UUID:
raise exception.NotFound
param = _get_default_snapshot_param()
return param
def stub_snapshot_get_all(self, context, search_opts=None):
param = _get_default_snapshot_param()
return [param]
class SnapshotApiTest(test.TestCase):
def setUp(self):
super(SnapshotApiTest, self).setUp()
self.controller = snapshots.SnapshotsController()
self.stubs.Set(db, 'snapshot_get_all_by_project',
stubs.stub_snapshot_get_all_by_project)
self.stubs.Set(db, 'snapshot_get_all',
stubs.stub_snapshot_get_all)
def test_snapshot_create(self):
self.stubs.Set(volume.api.API, "create_snapshot", stub_snapshot_create)
self.stubs.Set(volume.api.API, 'get', stubs.stub_volume_get)
snapshot_name = 'Snapshot Test Name'
snapshot_description = 'Snapshot Test Desc'
snapshot = {
"volume_id": '12',
"force": False,
"name": snapshot_name,
"description": snapshot_description
}
body = dict(snapshot=snapshot)
req = fakes.HTTPRequest.blank('/v2/snapshots')
resp_dict = self.controller.create(req, body)
self.assertIn('snapshot', resp_dict)
self.assertEqual(resp_dict['snapshot']['name'],
snapshot_name)
self.assertEqual(resp_dict['snapshot']['description'],
snapshot_description)
def test_snapshot_create_force(self):
self.stubs.Set(volume.api.API, "create_snapshot_force",
stub_snapshot_create)
self.stubs.Set(volume.api.API, 'get', stubs.stub_volume_get)
snapshot_name = 'Snapshot Test Name'
snapshot_description = 'Snapshot Test Desc'
snapshot = {
"volume_id": '12',
"force": True,
"name": snapshot_name,
"description": snapshot_description
}
body = dict(snapshot=snapshot)
req = fakes.HTTPRequest.blank('/v2/snapshots')
resp_dict = self.controller.create(req, body)
self.assertIn('snapshot', resp_dict)
self.assertEqual(resp_dict['snapshot']['name'],
snapshot_name)
self.assertEqual(resp_dict['snapshot']['description'],
snapshot_description)
snapshot = {
"volume_id": "12",
"force": "**&&^^%%$$##@@",
"name": "Snapshot Test Name",
"description": "Snapshot Test Desc"
}
body = dict(snapshot=snapshot)
req = fakes.HTTPRequest.blank('/v2/snapshots')
self.assertRaises(exception.InvalidParameterValue,
self.controller.create,
req,
body)
def test_snapshot_create_without_volume_id(self):
snapshot_name = 'Snapshot Test Name'
snapshot_description = 'Snapshot Test Desc'
body = {
"snapshot": {
"force": True,
"name": snapshot_name,
"description": snapshot_description
}
}
req = fakes.HTTPRequest.blank('/v2/snapshots')
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.create, req, body)
def test_snapshot_update(self):
self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get)
self.stubs.Set(volume.api.API, "update_snapshot",
stubs.stub_snapshot_update)
updates = {
"name": "Updated Test Name",
}
body = {"snapshot": updates}
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID)
res_dict = self.controller.update(req, UUID, body)
expected = {
'snapshot': {
'id': UUID,
'volume_id': 12,
'status': 'available',
'size': 100,
'created_at': None,
'name': 'Updated Test Name',
'description': 'Default description',
'metadata': {},
}
}
self.assertEqual(expected, res_dict)
def test_snapshot_update_missing_body(self):
body = {}
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID)
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.update, req, UUID, body)
def test_snapshot_update_invalid_body(self):
body = {'name': 'missing top level snapshot key'}
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID)
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.update, req, UUID, body)
def test_snapshot_update_not_found(self):
self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get)
updates = {
"name": "Updated Test Name",
}
body = {"snapshot": updates}
req = fakes.HTTPRequest.blank('/v2/snapshots/not-the-uuid')
self.assertRaises(webob.exc.HTTPNotFound, self.controller.update, req,
'not-the-uuid', body)
def test_snapshot_delete(self):
self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get)
self.stubs.Set(volume.api.API, "delete_snapshot", stub_snapshot_delete)
snapshot_id = UUID
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % snapshot_id)
resp = self.controller.delete(req, snapshot_id)
self.assertEqual(resp.status_int, 202)
def test_snapshot_delete_invalid_id(self):
self.stubs.Set(volume.api.API, "delete_snapshot", stub_snapshot_delete)
snapshot_id = INVALID_UUID
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % snapshot_id)
self.assertRaises(webob.exc.HTTPNotFound, self.controller.delete,
req, snapshot_id)
def test_snapshot_show(self):
self.stubs.Set(volume.api.API, "get_snapshot", stub_snapshot_get)
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % UUID)
resp_dict = self.controller.show(req, UUID)
self.assertIn('snapshot', resp_dict)
self.assertEqual(resp_dict['snapshot']['id'], UUID)
def test_snapshot_show_invalid_id(self):
snapshot_id = INVALID_UUID
req = fakes.HTTPRequest.blank('/v2/snapshots/%s' % snapshot_id)
self.assertRaises(webob.exc.HTTPNotFound,
self.controller.show, req, snapshot_id)
def test_snapshot_detail(self):
self.stubs.Set(volume.api.API, "get_all_snapshots",
stub_snapshot_get_all)
req = fakes.HTTPRequest.blank('/v2/snapshots/detail')
resp_dict = self.controller.detail(req)
self.assertIn('snapshots', resp_dict)
resp_snapshots = resp_dict['snapshots']
self.assertEqual(len(resp_snapshots), 1)
resp_snapshot = resp_snapshots.pop()
self.assertEqual(resp_snapshot['id'], UUID)
def test_snapshot_list_by_status(self):
def stub_snapshot_get_all_by_project(context, project_id):
return [
stubs.stub_snapshot(1, display_name='backup1',
status='available'),
stubs.stub_snapshot(2, display_name='backup2',
status='available'),
stubs.stub_snapshot(3, display_name='backup3',
status='creating'),
]
self.stubs.Set(db, 'snapshot_get_all_by_project',
stub_snapshot_get_all_by_project)
# no status filter
req = fakes.HTTPRequest.blank('/v2/snapshots')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 3)
# single match
req = fakes.HTTPRequest.blank('/v2/snapshots?status=creating')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 1)
self.assertEqual(resp['snapshots'][0]['status'], 'creating')
# multiple match
req = fakes.HTTPRequest.blank('/v2/snapshots?status=available')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 2)
for snapshot in resp['snapshots']:
self.assertEqual(snapshot['status'], 'available')
# no match
req = fakes.HTTPRequest.blank('/v2/snapshots?status=error')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 0)
def test_snapshot_list_by_volume(self):
def stub_snapshot_get_all_by_project(context, project_id):
return [
stubs.stub_snapshot(1, volume_id='vol1', status='creating'),
stubs.stub_snapshot(2, volume_id='vol1', status='available'),
stubs.stub_snapshot(3, volume_id='vol2', status='available'),
]
self.stubs.Set(db, 'snapshot_get_all_by_project',
stub_snapshot_get_all_by_project)
# single match
req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol2')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 1)
self.assertEqual(resp['snapshots'][0]['volume_id'], 'vol2')
# multiple match
req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol1')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 2)
for snapshot in resp['snapshots']:
self.assertEqual(snapshot['volume_id'], 'vol1')
# multiple filters
req = fakes.HTTPRequest.blank('/v2/snapshots?volume_id=vol1'
'&status=available')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 1)
self.assertEqual(resp['snapshots'][0]['volume_id'], 'vol1')
self.assertEqual(resp['snapshots'][0]['status'], 'available')
def test_snapshot_list_by_name(self):
def stub_snapshot_get_all_by_project(context, project_id):
return [
stubs.stub_snapshot(1, display_name='backup1'),
stubs.stub_snapshot(2, display_name='backup2'),
stubs.stub_snapshot(3, display_name='backup3'),
]
self.stubs.Set(db, 'snapshot_get_all_by_project',
stub_snapshot_get_all_by_project)
# no name filter
req = fakes.HTTPRequest.blank('/v2/snapshots')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 3)
# filter by one name
req = fakes.HTTPRequest.blank('/v2/snapshots?name=backup2')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 1)
self.assertEqual(resp['snapshots'][0]['name'], 'backup2')
# filter no match
req = fakes.HTTPRequest.blank('/v2/snapshots?name=backup4')
resp = self.controller.index(req)
self.assertEqual(len(resp['snapshots']), 0)
def test_admin_list_snapshots_limited_to_project(self):
req = fakes.HTTPRequest.blank('/v2/fake/snapshots',
use_admin_context=True)
res = self.controller.index(req)
self.assertIn('snapshots', res)
self.assertEqual(1, len(res['snapshots']))
def test_list_snapshots_with_limit_and_offset(self):
def list_snapshots_with_limit_and_offset(is_admin):
def stub_snapshot_get_all_by_project(context, project_id):
return [
stubs.stub_snapshot(1, display_name='backup1'),
stubs.stub_snapshot(2, display_name='backup2'),
stubs.stub_snapshot(3, display_name='backup3'),
]
self.stubs.Set(db, 'snapshot_get_all_by_project',
stub_snapshot_get_all_by_project)
req = fakes.HTTPRequest.blank('/v2/fake/snapshots?limit=1\
&offset=1',
use_admin_context=is_admin)
res = self.controller.index(req)
self.assertIn('snapshots', res)
self.assertEqual(1, len(res['snapshots']))
self.assertEqual(2, res['snapshots'][0]['id'])
# admin case
list_snapshots_with_limit_and_offset(is_admin=True)
# non_admin case
list_snapshots_with_limit_and_offset(is_admin=False)
def test_admin_list_snapshots_all_tenants(self):
req = fakes.HTTPRequest.blank('/v2/fake/snapshots?all_tenants=1',
use_admin_context=True)
res = self.controller.index(req)
self.assertIn('snapshots', res)
self.assertEqual(3, len(res['snapshots']))
def test_all_tenants_non_admin_gets_all_tenants(self):
req = fakes.HTTPRequest.blank('/v2/fake/snapshots?all_tenants=1')
res = self.controller.index(req)
self.assertIn('snapshots', res)
self.assertEqual(1, len(res['snapshots']))
def test_non_admin_get_by_project(self):
req = fakes.HTTPRequest.blank('/v2/fake/snapshots')
res = self.controller.index(req)
self.assertIn('snapshots', res)
self.assertEqual(1, len(res['snapshots']))
def _create_snapshot_bad_body(self, body):
req = fakes.HTTPRequest.blank('/v2/fake/snapshots')
req.method = 'POST'
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.create, req, body)
def test_create_no_body(self):
self._create_snapshot_bad_body(body=None)
def test_create_missing_snapshot(self):
body = {'foo': {'a': 'b'}}
self._create_snapshot_bad_body(body=body)
def test_create_malformed_entity(self):
body = {'snapshot': 'string'}
self._create_snapshot_bad_body(body=body)
class SnapshotSerializerTest(test.TestCase):
def _verify_snapshot(self, snap, tree):
self.assertEqual(tree.tag, 'snapshot')
for attr in ('id', 'status', 'size', 'created_at',
'name', 'description', 'volume_id'):
self.assertEqual(str(snap[attr]), tree.get(attr))
def test_snapshot_show_create_serializer(self):
serializer = snapshots.SnapshotTemplate()
raw_snapshot = dict(
id='snap_id',
status='snap_status',
size=1024,
created_at=datetime.datetime.now(),
name='snap_name',
description='snap_desc',
display_description='snap_desc',
volume_id='vol_id',
)
text = serializer.serialize(dict(snapshot=raw_snapshot))
tree = etree.fromstring(text)
self._verify_snapshot(raw_snapshot, tree)
def test_snapshot_index_detail_serializer(self):
serializer = snapshots.SnapshotsTemplate()
raw_snapshots = [
dict(
id='snap1_id',
status='snap1_status',
size=1024,
created_at=datetime.datetime.now(),
name='snap1_name',
description='snap1_desc',
volume_id='vol1_id',
),
dict(
id='snap2_id',
status='snap2_status',
size=1024,
created_at=datetime.datetime.now(),
name='snap2_name',
description='snap2_desc',
volume_id='vol2_id',
)
]
text = serializer.serialize(dict(snapshots=raw_snapshots))
tree = etree.fromstring(text)
self.assertEqual('snapshots', tree.tag)
self.assertEqual(len(raw_snapshots), len(tree))
for idx, child in enumerate(tree):
self._verify_snapshot(raw_snapshots[idx], child)