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

334 lines
12 KiB
Python

# Copyright 2013 Josh Durgin
# 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
import json
from lxml import etree
import webob
import nova
from nova.api.openstack.compute.contrib import volumes
from nova.compute import instance_types
from nova import context
import nova.db
from nova import flags
from nova import test
from nova.tests.api.openstack import fakes
from nova import volume
FLAGS = flags.FLAGS
FAKE_UUID = 'aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa'
IMAGE_UUID = 'c905cedb-7281-47e4-8a62-f26bc5fc4c77'
def fake_compute_api_create(cls, context, instance_type, image_href, **kwargs):
global _block_device_mapping_seen
_block_device_mapping_seen = kwargs.get('block_device_mapping')
inst_type = instance_types.get_instance_type_by_flavor_id(2)
resv_id = None
return ([{'id': 1,
'display_name': 'test_server',
'uuid': FAKE_UUID,
'instance_type': dict(inst_type),
'access_ip_v4': '1.2.3.4',
'access_ip_v6': 'fead::1234',
'image_ref': IMAGE_UUID,
'user_id': 'fake',
'project_id': 'fake',
'created_at': datetime.datetime(2010, 10, 10, 12, 0, 0),
'updated_at': datetime.datetime(2010, 11, 11, 11, 0, 0),
'progress': 0,
'fixed_ips': []
}], resv_id)
class BootFromVolumeTest(test.TestCase):
def setUp(self):
super(BootFromVolumeTest, self).setUp()
self.stubs.Set(nova.compute.API, 'create', fake_compute_api_create)
fakes.stub_out_nw_api(self.stubs)
def test_create_root_volume(self):
body = dict(server=dict(
name='test_server', imageRef=IMAGE_UUID,
flavorRef=2, min_count=1, max_count=1,
block_device_mapping=[dict(
volume_id=1,
device_name='/dev/vda',
virtual='root',
delete_on_termination=False,
)]
))
global _block_device_mapping_seen
_block_device_mapping_seen = None
req = webob.Request.blank('/v2/fake/os-volumes_boot')
req.method = 'POST'
req.body = json.dumps(body)
req.headers['content-type'] = 'application/json'
res = req.get_response(fakes.wsgi_app())
self.assertEqual(res.status_int, 202)
server = json.loads(res.body)['server']
self.assertEqual(FAKE_UUID, server['id'])
self.assertEqual(FLAGS.password_length, len(server['adminPass']))
self.assertEqual(len(_block_device_mapping_seen), 1)
self.assertEqual(_block_device_mapping_seen[0]['volume_id'], 1)
self.assertEqual(_block_device_mapping_seen[0]['device_name'],
'/dev/vda')
def return_volume(context, volume_id):
return {'id': volume_id}
class VolumeApiTest(test.TestCase):
def setUp(self):
super(VolumeApiTest, self).setUp()
fakes.FakeAuthManager.reset_fake_data()
fakes.FakeAuthDatabase.data = {}
fakes.stub_out_networking(self.stubs)
fakes.stub_out_rate_limiting(self.stubs)
self.stubs.Set(nova.db, 'volume_get', return_volume)
self.stubs.Set(volume.api.API, "delete", fakes.stub_volume_delete)
self.stubs.Set(volume.api.API, "get", fakes.stub_volume_get)
self.stubs.Set(volume.api.API, "get_all", fakes.stub_volume_get_all)
self.context = context.get_admin_context()
def test_volume_create(self):
self.stubs.Set(volume.api.API, "create", fakes.stub_volume_create)
vol = {"size": 100,
"display_name": "Volume Test Name",
"display_description": "Volume Test Desc",
"availability_zone": "zone1:host1"}
body = {"volume": vol}
req = webob.Request.blank('/v2/fake/os-volumes')
req.method = 'POST'
req.body = json.dumps(body)
req.headers['content-type'] = 'application/json'
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 200)
resp_dict = json.loads(resp.body)
self.assertTrue('volume' in resp_dict)
self.assertEqual(resp_dict['volume']['size'],
vol['size'])
self.assertEqual(resp_dict['volume']['displayName'],
vol['display_name'])
self.assertEqual(resp_dict['volume']['displayDescription'],
vol['display_description'])
self.assertEqual(resp_dict['volume']['availabilityZone'],
vol['availability_zone'])
def test_volume_create_no_body(self):
req = webob.Request.blank('/v2/fake/os-volumes')
req.method = 'POST'
req.body = json.dumps({})
req.headers['content-type'] = 'application/json'
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 422)
def test_volume_index(self):
req = webob.Request.blank('/v2/fake/os-volumes')
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 200)
def test_volume_detail(self):
req = webob.Request.blank('/v2/fake/os-volumes/detail')
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 200)
def test_volume_show(self):
req = webob.Request.blank('/v2/fake/os-volumes/123')
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 200)
def test_volume_show_no_volume(self):
self.stubs.Set(volume.api.API, "get", fakes.stub_volume_get_notfound)
req = webob.Request.blank('/v2/fake/os-volumes/456')
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 404)
def test_volume_delete(self):
req = webob.Request.blank('/v2/fake/os-volumes/123')
req.method = 'DELETE'
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 202)
def test_volume_delete_no_volume(self):
self.stubs.Set(volume.api.API, "get", fakes.stub_volume_get_notfound)
req = webob.Request.blank('/v2/fake/os-volumes/456')
req.method = 'DELETE'
resp = req.get_response(fakes.wsgi_app())
self.assertEqual(resp.status_int, 404)
class VolumeSerializerTest(test.TestCase):
def _verify_volume_attachment(self, attach, tree):
for attr in ('id', 'volumeId', 'serverId', 'device'):
self.assertEqual(str(attach[attr]), tree.get(attr))
def _verify_volume(self, vol, tree):
self.assertEqual(tree.tag, 'volume')
for attr in ('id', 'status', 'size', 'availabilityZone', 'createdAt',
'displayName', 'displayDescription', 'volumeType',
'snapshotId'):
self.assertEqual(str(vol[attr]), tree.get(attr))
for child in tree:
self.assertTrue(child.tag in ('attachments', 'metadata'))
if child.tag == 'attachments':
self.assertEqual(1, len(child))
self.assertEqual('attachment', child[0].tag)
self._verify_volume_attachment(vol['attachments'][0], child[0])
elif child.tag == 'metadata':
not_seen = set(vol['metadata'].keys())
for gr_child in child:
self.assertTrue(gr_child.tag in not_seen)
self.assertEqual(str(vol['metadata'][gr_child.tag]),
gr_child.text)
not_seen.remove(gr_child.tag)
self.assertEqual(0, len(not_seen))
def test_attach_show_create_serializer(self):
serializer = volumes.VolumeAttachmentTemplate()
raw_attach = dict(
id='vol_id',
volumeId='vol_id',
serverId='instance_uuid',
device='/foo')
text = serializer.serialize(dict(volumeAttachment=raw_attach))
print text
tree = etree.fromstring(text)
self.assertEqual('volumeAttachment', tree.tag)
self._verify_volume_attachment(raw_attach, tree)
def test_attach_index_serializer(self):
serializer = volumes.VolumeAttachmentsTemplate()
raw_attaches = [dict(
id='vol_id1',
volumeId='vol_id1',
serverId='instance1_uuid',
device='/foo1'),
dict(
id='vol_id2',
volumeId='vol_id2',
serverId='instance2_uuid',
device='/foo2')]
text = serializer.serialize(dict(volumeAttachments=raw_attaches))
print text
tree = etree.fromstring(text)
self.assertEqual('volumeAttachments', tree.tag)
self.assertEqual(len(raw_attaches), len(tree))
for idx, child in enumerate(tree):
self.assertEqual('volumeAttachment', child.tag)
self._verify_volume_attachment(raw_attaches[idx], child)
def test_volume_show_create_serializer(self):
serializer = volumes.VolumeTemplate()
raw_volume = dict(
id='vol_id',
status='vol_status',
size=1024,
availabilityZone='vol_availability',
createdAt=datetime.datetime.now(),
attachments=[dict(
id='vol_id',
volumeId='vol_id',
serverId='instance_uuid',
device='/foo')],
displayName='vol_name',
displayDescription='vol_desc',
volumeType='vol_type',
snapshotId='snap_id',
metadata=dict(
foo='bar',
baz='quux',
),
)
text = serializer.serialize(dict(volume=raw_volume))
print text
tree = etree.fromstring(text)
self._verify_volume(raw_volume, tree)
def test_volume_index_detail_serializer(self):
serializer = volumes.VolumesTemplate()
raw_volumes = [dict(
id='vol1_id',
status='vol1_status',
size=1024,
availabilityZone='vol1_availability',
createdAt=datetime.datetime.now(),
attachments=[dict(
id='vol1_id',
volumeId='vol1_id',
serverId='instance_uuid',
device='/foo1')],
displayName='vol1_name',
displayDescription='vol1_desc',
volumeType='vol1_type',
snapshotId='snap1_id',
metadata=dict(
foo='vol1_foo',
bar='vol1_bar',
),
),
dict(
id='vol2_id',
status='vol2_status',
size=1024,
availabilityZone='vol2_availability',
createdAt=datetime.datetime.now(),
attachments=[dict(
id='vol2_id',
volumeId='vol2_id',
serverId='instance_uuid',
device='/foo2')],
displayName='vol2_name',
displayDescription='vol2_desc',
volumeType='vol2_type',
snapshotId='snap2_id',
metadata=dict(
foo='vol2_foo',
bar='vol2_bar',
),
)]
text = serializer.serialize(dict(volumes=raw_volumes))
print text
tree = etree.fromstring(text)
self.assertEqual('volumes', tree.tag)
self.assertEqual(len(raw_volumes), len(tree))
for idx, child in enumerate(tree):
self._verify_volume(raw_volumes[idx], child)