#   Copyright 2012 OpenStack Foundation
#
#   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 iso8601
import uuid

import mock
import oslo_messaging as messaging
from oslo_serialization import jsonutils
import webob

from cinder.api.contrib import volume_actions
from cinder import context
from cinder import exception
from cinder.image import glance
from cinder import objects
from cinder import test
from cinder.tests.unit.api import fakes
from cinder.tests.unit.api.v2 import stubs
from cinder.tests.unit import fake_constants as fake
from cinder.tests.unit import fake_volume
from cinder import volume
from cinder.volume import api as volume_api
from cinder.volume import rpcapi as volume_rpcapi


class VolumeActionsTest(test.TestCase):

    _actions = ('os-reserve', 'os-unreserve')

    _methods = ('attach', 'detach', 'reserve_volume', 'unreserve_volume')

    def setUp(self):
        super(VolumeActionsTest, self).setUp()
        self.context = context.RequestContext('fake', 'fake', is_admin=False)
        self.UUID = uuid.uuid4()
        self.controller = volume_actions.VolumeActionsController()
        self.api_patchers = {}
        for _meth in self._methods:
            self.api_patchers[_meth] = mock.patch('cinder.volume.api.API.' +
                                                  _meth)
            self.api_patchers[_meth].start()
            self.addCleanup(self.api_patchers[_meth].stop)
            self.api_patchers[_meth].return_value = True

        db_vol = {'id': 'fake', 'host': 'fake', 'status': 'available',
                  'size': 1, 'migration_status': None,
                  'volume_type_id': 'fake', 'project_id': 'project_id'}
        vol = fake_volume.fake_volume_obj(self.context, **db_vol)
        self.get_patcher = mock.patch('cinder.volume.api.API.get')
        self.mock_volume_get = self.get_patcher.start()
        self.addCleanup(self.get_patcher.stop)
        self.mock_volume_get.return_value = vol
        self.update_patcher = mock.patch('cinder.volume.api.API.update')
        self.mock_volume_update = self.update_patcher.start()
        self.addCleanup(self.update_patcher.stop)
        self.mock_volume_update.return_value = vol
        self.db_get_patcher = mock.patch('cinder.db.sqlalchemy.api.volume_get')
        self.mock_volume_db_get = self.db_get_patcher.start()
        self.addCleanup(self.db_get_patcher.stop)
        self.mock_volume_db_get.return_value = vol

        self.flags(rpc_backend='cinder.openstack.common.rpc.impl_fake')

    def test_simple_api_actions(self):
        app = fakes.wsgi_app()
        for _action in self._actions:
            req = webob.Request.blank('/v2/fake/volumes/%s/action' %
                                      self.UUID)
            req.method = 'POST'
            req.body = jsonutils.dump_as_bytes({_action: None})
            req.content_type = 'application/json'
            res = req.get_response(app)
            self.assertEqual(202, res.status_int)

    def test_initialize_connection(self):
        with mock.patch.object(volume_api.API,
                               'initialize_connection') as init_conn:
            init_conn.return_value = {}
            body = {'os-initialize_connection': {'connector': 'fake'}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"

            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(200, res.status_int)

    def test_initialize_connection_without_connector(self):
        with mock.patch.object(volume_api.API,
                               'initialize_connection') as init_conn:
            init_conn.return_value = {}
            body = {'os-initialize_connection': {}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"

            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(400, res.status_int)

    def test_initialize_connection_exception(self):
        with mock.patch.object(volume_api.API,
                               'initialize_connection') as init_conn:
            init_conn.side_effect = \
                exception.VolumeBackendAPIException(data=None)
            body = {'os-initialize_connection': {'connector': 'fake'}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"

            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(500, res.status_int)

    def test_terminate_connection(self):
        with mock.patch.object(volume_api.API,
                               'terminate_connection') as terminate_conn:
            terminate_conn.return_value = {}
            body = {'os-terminate_connection': {'connector': 'fake'}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"

            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(202, res.status_int)

    def test_terminate_connection_without_connector(self):
        with mock.patch.object(volume_api.API,
                               'terminate_connection') as terminate_conn:
            terminate_conn.return_value = {}
            body = {'os-terminate_connection': {}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"

            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(400, res.status_int)

    def test_terminate_connection_with_exception(self):
        with mock.patch.object(volume_api.API,
                               'terminate_connection') as terminate_conn:
            terminate_conn.side_effect = \
                exception.VolumeBackendAPIException(data=None)
            body = {'os-terminate_connection': {'connector': 'fake'}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"

            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(500, res.status_int)

    def test_attach_to_instance(self):
        body = {'os-attach': {'instance_uuid': 'fake',
                              'mountpoint': '/dev/vdc',
                              'mode': 'rw'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

        body = {'os-attach': {'instance_uuid': 'fake',
                              'host_name': 'fake_host',
                              'mountpoint': '/dev/vdc'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.headers["content-type"] = "application/json"
        req.body = jsonutils.dump_as_bytes(body)
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

    def test_attach_to_host(self):
        # using 'read-write' mode attach volume by default
        body = {'os-attach': {'host_name': 'fake_host',
                              'mountpoint': '/dev/vdc'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

    def test_volume_attach_to_instance_raises_remote_error(self):
        volume_remote_error = \
            messaging.RemoteError(exc_type='InvalidUUID')
        with mock.patch.object(volume_api.API, 'attach',
                               side_effect=volume_remote_error):
            id = 1
            vol = {"instance_uuid": self.UUID,
                   "mountpoint": "/dev/vdc",
                   "mode": "rw"}
            body = {"os-attach": vol}
            req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
            self.assertRaises(webob.exc.HTTPBadRequest,
                              self.controller._attach,
                              req,
                              id,
                              body)

    def test_volume_attach_to_instance_raises_db_error(self):
        # In case of DB error 500 error code is returned to user
        volume_remote_error = \
            messaging.RemoteError(exc_type='DBError')
        with mock.patch.object(volume_api.API, 'attach',
                               side_effect=volume_remote_error):
            id = 1
            vol = {"instance_uuid": self.UUID,
                   "mountpoint": "/dev/vdc",
                   "mode": "rw"}
            body = {"os-attach": vol}
            req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
            self.assertRaises(messaging.RemoteError,
                              self.controller._attach,
                              req,
                              id,
                              body)

    def test_detach(self):
        body = {'os-detach': {'attachment_id': 'fakeuuid'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

    def test_volume_detach_raises_remote_error(self):
        volume_remote_error = \
            messaging.RemoteError(exc_type='VolumeAttachmentNotFound')
        with mock.patch.object(volume_api.API, 'detach',
                               side_effect=volume_remote_error):
            id = 1
            vol = {"attachment_id": self.UUID}
            body = {"os-detach": vol}
            req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
            self.assertRaises(webob.exc.HTTPBadRequest,
                              self.controller._detach,
                              req,
                              id,
                              body)

    def test_volume_detach_raises_db_error(self):
        # In case of DB error 500 error code is returned to user
        volume_remote_error = \
            messaging.RemoteError(exc_type='DBError')
        with mock.patch.object(volume_api.API, 'detach',
                               side_effect=volume_remote_error):
            id = 1
            vol = {"attachment_id": self.UUID}
            body = {"os-detach": vol}
            req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
            self.assertRaises(messaging.RemoteError,
                              self.controller._detach,
                              req,
                              id,
                              body)

    def test_attach_with_invalid_arguments(self):
        # Invalid request to attach volume an invalid target
        body = {'os-attach': {'mountpoint': '/dev/vdc'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.headers["content-type"] = "application/json"
        req.body = jsonutils.dump_as_bytes(body)
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

        # Invalid request to attach volume with an invalid mode
        body = {'os-attach': {'instance_uuid': 'fake',
                              'mountpoint': '/dev/vdc',
                              'mode': 'rr'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.headers["content-type"] = "application/json"
        req.body = jsonutils.dump_as_bytes(body)
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)
        body = {'os-attach': {'host_name': 'fake_host',
                              'mountpoint': '/dev/vdc',
                              'mode': 'ww'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.headers["content-type"] = "application/json"
        req.body = jsonutils.dump_as_bytes(body)
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

    def test_begin_detaching(self):
        def fake_begin_detaching(*args, **kwargs):
            return {}
        self.stubs.Set(volume.api.API, 'begin_detaching',
                       fake_begin_detaching)

        body = {'os-begin_detaching': {'fake': 'fake'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

    def test_roll_detaching(self):
        def fake_roll_detaching(*args, **kwargs):
            return {}
        self.stubs.Set(volume.api.API, 'roll_detaching',
                       fake_roll_detaching)

        body = {'os-roll_detaching': {'fake': 'fake'}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

    def test_extend_volume(self):
        def fake_extend_volume(*args, **kwargs):
            return {}
        self.stubs.Set(volume.api.API, 'extend',
                       fake_extend_volume)

        body = {'os-extend': {'new_size': 5}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(202, res.status_int)

    def test_extend_volume_invalid_status(self):
        def fake_extend_volume(*args, **kwargs):
            msg = "Volume status must be available"
            raise exception.InvalidVolume(reason=msg)
        self.stubs.Set(volume.api.API, 'extend',
                       fake_extend_volume)

        body = {'os-extend': {'new_size': 5}}
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = "POST"
        req.body = jsonutils.dump_as_bytes(body)
        req.headers["content-type"] = "application/json"

        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

    def test_update_readonly_flag(self):
        def fake_update_readonly_flag(*args, **kwargs):
            return {}
        self.stubs.Set(volume.api.API, 'update_readonly_flag',
                       fake_update_readonly_flag)

        def make_update_readonly_flag_test(self, readonly, return_code):
            body = {"os-update_readonly_flag": {"readonly": readonly}}
            if readonly is None:
                body = {"os-update_readonly_flag": {}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"
            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(return_code, res.status_int)

        make_update_readonly_flag_test(self, True, 202)
        make_update_readonly_flag_test(self, False, 202)
        make_update_readonly_flag_test(self, '1', 202)
        make_update_readonly_flag_test(self, '0', 202)
        make_update_readonly_flag_test(self, 'true', 202)
        make_update_readonly_flag_test(self, 'false', 202)
        make_update_readonly_flag_test(self, 'tt', 400)
        make_update_readonly_flag_test(self, 11, 400)
        make_update_readonly_flag_test(self, None, 400)

    def test_set_bootable(self):

        def make_set_bootable_test(self, bootable, return_code):
            body = {"os-set_bootable": {"bootable": bootable}}
            if bootable is None:
                body = {"os-set_bootable": {}}
            req = webob.Request.blank('/v2/fake/volumes/1/action')
            req.method = "POST"
            req.body = jsonutils.dump_as_bytes(body)
            req.headers["content-type"] = "application/json"
            res = req.get_response(fakes.wsgi_app())
            self.assertEqual(return_code, res.status_int)

        make_set_bootable_test(self, True, 200)
        make_set_bootable_test(self, False, 200)
        make_set_bootable_test(self, '1', 200)
        make_set_bootable_test(self, '0', 200)
        make_set_bootable_test(self, 'true', 200)
        make_set_bootable_test(self, 'false', 200)
        make_set_bootable_test(self, 'tt', 400)
        make_set_bootable_test(self, 11, 400)
        make_set_bootable_test(self, None, 400)


class VolumeRetypeActionsTest(VolumeActionsTest):
    def setUp(self):
        def get_vol_type(*args, **kwargs):
            d1 = {'id': 'fake', 'qos_specs_id': 'fakeqid1', 'extra_specs': {}}
            d2 = {'id': 'foo', 'qos_specs_id': 'fakeqid2', 'extra_specs': {}}
            return d1 if d1['id'] == args[1] else d2

        self.retype_patchers = {}
        self.retype_mocks = {}
        paths = ['cinder.volume.volume_types.get_volume_type',
                 'cinder.volume.volume_types.get_volume_type_by_name',
                 'cinder.volume.qos_specs.get_qos_specs',
                 'cinder.quota.QUOTAS.add_volume_type_opts',
                 'cinder.quota.QUOTAS.reserve']
        for path in paths:
            name = path.split('.')[-1]
            self.retype_patchers[name] = mock.patch(path)
            self.retype_mocks[name] = self.retype_patchers[name].start()
            self.addCleanup(self.retype_patchers[name].stop)

        self.retype_mocks['get_volume_type'].side_effect = get_vol_type
        self.retype_mocks['get_volume_type_by_name'].side_effect = get_vol_type
        self.retype_mocks['add_volume_type_opts'].return_value = None
        self.retype_mocks['reserve'].return_value = None

        super(VolumeRetypeActionsTest, self).setUp()

    def _retype_volume_exec(self, expected_status, new_type='foo'):
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = 'POST'
        req.headers['content-type'] = 'application/json'
        retype_body = {'new_type': new_type, 'migration_policy': 'never'}
        req.body = jsonutils.dump_as_bytes({'os-retype': retype_body})
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(expected_status, res.status_int)

    @mock.patch('cinder.volume.qos_specs.get_qos_specs')
    def test_retype_volume_success(self, _mock_get_qspecs):
        # Test that the retype API works for both available and in-use
        self._retype_volume_exec(202)
        self.mock_volume_get.return_value['status'] = 'in-use'
        specs = {'id': 'fakeqid1', 'name': 'fake_name1',
                 'consumer': 'back-end', 'specs': {'key1': 'value1'}}
        _mock_get_qspecs.return_value = specs
        self._retype_volume_exec(202)

    def test_retype_volume_no_body(self):
        # Request with no body should fail
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = 'POST'
        req.headers['content-type'] = 'application/json'
        req.body = jsonutils.dump_as_bytes({'os-retype': None})
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

    def test_retype_volume_bad_policy(self):
        # Request with invalid migration policy should fail
        req = webob.Request.blank('/v2/fake/volumes/1/action')
        req.method = 'POST'
        req.headers['content-type'] = 'application/json'
        retype_body = {'new_type': 'foo', 'migration_policy': 'invalid'}
        req.body = jsonutils.dump_as_bytes({'os-retype': retype_body})
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

    def test_retype_volume_bad_status(self):
        # Should fail if volume does not have proper status
        self.mock_volume_get.return_value['status'] = 'error'
        self._retype_volume_exec(400)

    def test_retype_type_no_exist(self):
        # Should fail if new type does not exist
        exc = exception.VolumeTypeNotFound('exc')
        self.retype_mocks['get_volume_type'].side_effect = exc
        self._retype_volume_exec(404)

    def test_retype_same_type(self):
        # Should fail if new type and old type are the same
        self._retype_volume_exec(400, new_type='fake')

    def test_retype_over_quota(self):
        # Should fail if going over quota for new type
        exc = exception.OverQuota(overs=['gigabytes'],
                                  quotas={'gigabytes': 20},
                                  usages={'gigabytes': {'reserved': 5,
                                                        'in_use': 15}})
        self.retype_mocks['reserve'].side_effect = exc
        self._retype_volume_exec(413)

    @mock.patch('cinder.volume.qos_specs.get_qos_specs')
    def _retype_volume_diff_qos(self, vol_status, consumer, expected_status,
                                _mock_get_qspecs):
        def fake_get_qos(ctxt, qos_id):
            d1 = {'id': 'fakeqid1', 'name': 'fake_name1',
                  'consumer': consumer, 'specs': {'key1': 'value1'}}
            d2 = {'id': 'fakeqid2', 'name': 'fake_name2',
                  'consumer': consumer, 'specs': {'key1': 'value1'}}
            return d1 if d1['id'] == qos_id else d2

        self.mock_volume_get.return_value['status'] = vol_status
        _mock_get_qspecs.side_effect = fake_get_qos
        self._retype_volume_exec(expected_status)

    def test_retype_volume_diff_qos_fe_in_use(self):
        # should fail if changing qos enforced by front-end for in-use volumes
        self._retype_volume_diff_qos('in-use', 'front-end', 400)

    def test_retype_volume_diff_qos_fe_available(self):
        # should NOT fail if changing qos enforced by FE for available volumes
        self._retype_volume_diff_qos('available', 'front-end', 202)

    def test_retype_volume_diff_qos_be(self):
        # should NOT fail if changing qos enforced by back-end
        self._retype_volume_diff_qos('available', 'back-end', 202)
        self._retype_volume_diff_qos('in-use', 'back-end', 202)


def stub_volume_get(self, context, volume_id):
    volume = stubs.stub_volume(volume_id)
    if volume_id == 5:
        volume['status'] = 'in-use'
    else:
        volume['status'] = 'available'
    return volume


def stub_upload_volume_to_image_service(self, context, volume, metadata,
                                        force):
    ret = {"id": volume['id'],
           "updated_at": datetime.datetime(1, 1, 1, 1, 1, 1),
           "status": 'uploading',
           "display_description": volume['display_description'],
           "size": volume['size'],
           "volume_type": volume['volume_type'],
           "image_id": 1,
           "container_format": 'bare',
           "disk_format": 'raw',
           "image_name": 'image_name'}
    return ret


class VolumeImageActionsTest(test.TestCase):
    def setUp(self):
        super(VolumeImageActionsTest, self).setUp()
        self.controller = volume_actions.VolumeActionsController()

        self.stubs.Set(volume_api.API, 'get', stub_volume_get)
        self.context = context.RequestContext('fake', 'fake', is_admin=False)

    def _get_os_volume_upload_image(self):
        vol = {
            "container_format": 'bare',
            "disk_format": 'raw',
            "updated_at": datetime.datetime(1, 1, 1, 1, 1, 1),
            "image_name": 'image_name',
            "is_public": False,
            "force": True}
        body = {"os-volume_upload_image": vol}

        return body

    def fake_image_service_create(self, *args):
        ret = {
            'status': u'queued',
            'name': u'image_name',
            'deleted': False,
            'container_format': u'bare',
            'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
            'disk_format': u'raw',
            'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
            'id': 1,
            'min_ram': 0,
            'checksum': None,
            'min_disk': 0,
            'is_public': False,
            'deleted_at': None,
            'properties': {u'x_billing_code_license': u'246254365'},
            'size': 0}
        return ret

    def fake_rpc_copy_volume_to_image(self, *args):
        pass

    def test_copy_volume_to_image(self):
        self.stubs.Set(volume_api.API,
                       "copy_volume_to_image",
                       stub_upload_volume_to_image_service)

        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": 'image_name',
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        res_dict = self.controller._volume_upload_image(req, id, body)
        expected = {'os-volume_upload_image':
                    {'id': id,
                     'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
                     'status': 'uploading',
                     'display_description': 'displaydesc',
                     'size': 1,
                     'volume_type': fake_volume.fake_db_volume_type(
                         name='vol_type_name'),
                     'image_id': 1,
                     'container_format': 'bare',
                     'disk_format': 'raw',
                     'image_name': 'image_name'}}
        self.assertDictMatch(expected, res_dict)

    def test_copy_volume_to_image_volumenotfound(self):
        def stub_volume_get_raise_exc(self, context, volume_id):
            raise exception.VolumeNotFound(volume_id=volume_id)

        self.stubs.Set(volume_api.API, 'get', stub_volume_get_raise_exc)

        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": 'image_name',
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPNotFound,
                          self.controller._volume_upload_image,
                          req,
                          id,
                          body)

    def test_copy_volume_to_image_invalidvolume(self):
        def stub_upload_volume_to_image_service_raise(self, context, volume,
                                                      metadata, force):
            raise exception.InvalidVolume(reason='blah')
        self.stubs.Set(volume_api.API,
                       "copy_volume_to_image",
                       stub_upload_volume_to_image_service_raise)

        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": 'image_name',
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPBadRequest,
                          self.controller._volume_upload_image,
                          req,
                          id,
                          body)

    def test_copy_volume_to_image_invalid_disk_format(self):
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'iso',
               "image_name": 'image_name',
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPBadRequest,
                          self.controller._volume_upload_image,
                          req,
                          id,
                          body)

    def test_copy_volume_to_image_valueerror(self):
        def stub_upload_volume_to_image_service_raise(self, context, volume,
                                                      metadata, force):
            raise ValueError
        self.stubs.Set(volume_api.API,
                       "copy_volume_to_image",
                       stub_upload_volume_to_image_service_raise)

        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": 'image_name',
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPBadRequest,
                          self.controller._volume_upload_image,
                          req,
                          id,
                          body)

    def test_copy_volume_to_image_remoteerror(self):
        def stub_upload_volume_to_image_service_raise(self, context, volume,
                                                      metadata, force):
            raise messaging.RemoteError
        self.stubs.Set(volume_api.API,
                       "copy_volume_to_image",
                       stub_upload_volume_to_image_service_raise)

        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": 'image_name',
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPBadRequest,
                          self.controller._volume_upload_image,
                          req,
                          id,
                          body)

    def test_volume_upload_image_typeerror(self):
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        body = {"os-volume_upload_image_fake": "fake"}
        req = webob.Request.blank('/v2/tenant1/volumes/%s/action' % id)
        req.method = 'POST'
        req.headers['Content-Type'] = 'application/json'
        req.body = jsonutils.dump_as_bytes(body)
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

    def test_volume_upload_image_without_type(self):
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": None,
               "force": True}
        body = {"": vol}
        req = webob.Request.blank('/v2/tenant1/volumes/%s/action' % id)
        req.method = 'POST'
        req.headers['Content-Type'] = 'application/json'
        req.body = jsonutils.dump_as_bytes(body)
        res = req.get_response(fakes.wsgi_app())
        self.assertEqual(400, res.status_int)

    def test_extend_volume_valueerror(self):
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        body = {'os-extend': {'new_size': 'fake'}}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPBadRequest,
                          self.controller._extend,
                          req,
                          id,
                          body)

    def test_copy_volume_to_image_notimagename(self):
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'
        vol = {"container_format": 'bare',
               "disk_format": 'raw',
               "image_name": None,
               "force": True}
        body = {"os-volume_upload_image": vol}
        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        self.assertRaises(webob.exc.HTTPBadRequest,
                          self.controller._volume_upload_image,
                          req,
                          id,
                          body)

    def test_copy_volume_to_image_with_protected_prop(self):
        """Test create image from volume with protected properties."""
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'

        def fake_get_volume_image_metadata(*args):
            meta_dict = {
                "volume_id": id,
                "key": "x_billing_code_license",
                "value": "246254365"}
            return meta_dict

        # Need to mock get_volume_image_metadata, create,
        # update and copy_volume_to_image
        with mock.patch.object(volume_api.API, "get_volume_image_metadata") \
                as mock_get_volume_image_metadata:
            mock_get_volume_image_metadata.side_effect = \
                fake_get_volume_image_metadata

            with mock.patch.object(glance.GlanceImageService, "create") \
                    as mock_create:
                mock_create.side_effect = self.fake_image_service_create

                with mock.patch.object(volume_api.API, "update") \
                        as mock_update:
                    mock_update.side_effect = stubs.stub_volume_update

                    with mock.patch.object(volume_rpcapi.VolumeAPI,
                                           "copy_volume_to_image") \
                            as mock_copy_volume_to_image:
                        mock_copy_volume_to_image.side_effect = \
                            self.fake_rpc_copy_volume_to_image

                        req = fakes.HTTPRequest.blank(
                            '/v2/tenant1/volumes/%s/action' % id)
                        body = self._get_os_volume_upload_image()
                        res_dict = self.controller._volume_upload_image(req,
                                                                        id,
                                                                        body)
                        expected_res = {
                            'os-volume_upload_image': {
                                'id': id,
                                'updated_at': datetime.datetime(
                                    1900, 1, 1, 1, 1, 1,
                                    tzinfo=iso8601.iso8601.Utc()),
                                'status': 'uploading',
                                'display_description': 'displaydesc',
                                'size': 1,
                                'volume_type': fake_volume.fake_db_volume_type(
                                    name='vol_type_name'),
                                'image_id': 1,
                                'container_format': 'bare',
                                'disk_format': 'raw',
                                'image_name': 'image_name'
                            }
                        }

                        self.assertDictMatch(expected_res, res_dict)

    def test_copy_volume_to_image_without_glance_metadata(self):
        """Test create image from volume if volume is created without image.

        In this case volume glance metadata will not be available for this
        volume.
        """
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'

        def fake_get_volume_image_metadata_raise(*args):
            raise exception.GlanceMetadataNotFound(id=id)

        # Need to mock get_volume_image_metadata, create,
        # update and copy_volume_to_image
        with mock.patch.object(volume_api.API, "get_volume_image_metadata") \
                as mock_get_volume_image_metadata:
            mock_get_volume_image_metadata.side_effect = \
                fake_get_volume_image_metadata_raise

            with mock.patch.object(glance.GlanceImageService, "create") \
                    as mock_create:
                mock_create.side_effect = self.fake_image_service_create

                with mock.patch.object(volume_api.API, "update") \
                        as mock_update:
                    mock_update.side_effect = stubs.stub_volume_update

                    with mock.patch.object(volume_rpcapi.VolumeAPI,
                                           "copy_volume_to_image") \
                            as mock_copy_volume_to_image:
                        mock_copy_volume_to_image.side_effect = \
                            self.fake_rpc_copy_volume_to_image

                        req = fakes.HTTPRequest.blank(
                            '/v2/tenant1/volumes/%s/action' % id)
                        body = self._get_os_volume_upload_image()
                        res_dict = self.controller._volume_upload_image(req,
                                                                        id,
                                                                        body)
                        expected_res = {
                            'os-volume_upload_image': {
                                'id': id,
                                'updated_at': datetime.datetime(
                                    1900, 1, 1, 1, 1, 1,
                                    tzinfo=iso8601.iso8601.Utc()),
                                'status': 'uploading',
                                'display_description': 'displaydesc',
                                'size': 1,
                                'volume_type': fake_volume.fake_db_volume_type(
                                    name='vol_type_name'),
                                'image_id': 1,
                                'container_format': 'bare',
                                'disk_format': 'raw',
                                'image_name': 'image_name'
                            }
                        }

                        self.assertDictMatch(expected_res, res_dict)

    def test_copy_volume_to_image_without_protected_prop(self):
        """Test protected property is not defined with the root image."""
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'

        def fake_get_volume_image_metadata(*args):
            return []

        # Need to mock get_volume_image_metadata, create,
        # update and copy_volume_to_image
        with mock.patch.object(volume_api.API, "get_volume_image_metadata") \
                as mock_get_volume_image_metadata:
            mock_get_volume_image_metadata.side_effect = \
                fake_get_volume_image_metadata

            with mock.patch.object(glance.GlanceImageService, "create") \
                    as mock_create:
                mock_create.side_effect = self.fake_image_service_create

                with mock.patch.object(volume_api.API, "update") \
                        as mock_update:
                    mock_update.side_effect = stubs.stub_volume_update

                    with mock.patch.object(volume_rpcapi.VolumeAPI,
                                           "copy_volume_to_image") \
                            as mock_copy_volume_to_image:
                        mock_copy_volume_to_image.side_effect = \
                            self.fake_rpc_copy_volume_to_image

                        req = fakes.HTTPRequest.blank(
                            '/v2/tenant1/volumes/%s/action' % id)

                        body = self._get_os_volume_upload_image()
                        res_dict = self.controller._volume_upload_image(req,
                                                                        id,
                                                                        body)
                        expected_res = {
                            'os-volume_upload_image': {
                                'id': id,
                                'updated_at': datetime.datetime(
                                    1900, 1, 1, 1, 1, 1,
                                    tzinfo=iso8601.iso8601.Utc()),
                                'status': 'uploading',
                                'display_description': 'displaydesc',
                                'size': 1,
                                'volume_type': fake_volume.fake_db_volume_type(
                                    name='vol_type_name'),
                                'image_id': 1,
                                'container_format': 'bare',
                                'disk_format': 'raw',
                                'image_name': 'image_name'
                            }
                        }

                        self.assertDictMatch(expected_res, res_dict)

    def test_copy_volume_to_image_without_core_prop(self):
        """Test glance_core_properties defined in cinder.conf is empty."""
        id = 'aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee'

        # Need to mock create, update, copy_volume_to_image
        with mock.patch.object(glance.GlanceImageService, "create") \
                as mock_create:
            mock_create.side_effect = self.fake_image_service_create

            with mock.patch.object(volume_api.API, "update") \
                    as mock_update:
                mock_update.side_effect = stubs.stub_volume_update

                with mock.patch.object(volume_rpcapi.VolumeAPI,
                                       "copy_volume_to_image") \
                        as mock_copy_volume_to_image:
                    mock_copy_volume_to_image.side_effect = \
                        self.fake_rpc_copy_volume_to_image

                    self.override_config('glance_core_properties', [])

                    req = fakes.HTTPRequest.blank(
                        '/v2/tenant1/volumes/%s/action' % id)

                    body = self._get_os_volume_upload_image()
                    res_dict = self.controller._volume_upload_image(req,
                                                                    id,
                                                                    body)
                    expected_res = {
                        'os-volume_upload_image': {
                            'id': id,
                            'updated_at': datetime.datetime(
                                1900, 1, 1, 1, 1, 1,
                                tzinfo=iso8601.iso8601.Utc()),
                            'status': 'uploading',
                            'display_description': 'displaydesc',
                            'size': 1,
                            'volume_type': fake_volume.fake_db_volume_type(
                                name='vol_type_name'),
                            'image_id': 1,
                            'container_format': 'bare',
                            'disk_format': 'raw',
                            'image_name': 'image_name'
                        }
                    }

                    self.assertDictMatch(expected_res, res_dict)

    @mock.patch.object(volume_api.API, "get_volume_image_metadata")
    @mock.patch.object(glance.GlanceImageService, "create")
    @mock.patch.object(volume_api.API, "get")
    @mock.patch.object(volume_api.API, "update")
    @mock.patch.object(volume_rpcapi.VolumeAPI, "copy_volume_to_image")
    def test_copy_volume_to_image_volume_type_none(
            self,
            mock_copy_volume_to_image,
            mock_update,
            mock_get,
            mock_create,
            mock_get_volume_image_metadata):
        """Test create image from volume with none type volume."""

        db_volume = fake_volume.fake_db_volume()
        volume_obj = objects.Volume._from_db_object(self.context,
                                                    objects.Volume(),
                                                    db_volume)

        mock_create.side_effect = self.fake_image_service_create
        mock_get.return_value = volume_obj
        mock_copy_volume_to_image.side_effect = (
            self.fake_rpc_copy_volume_to_image)

        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        body = self._get_os_volume_upload_image()
        res_dict = self.controller._volume_upload_image(req, id, body)
        expected_res = {
            'os-volume_upload_image': {
                'id': fake.volume_id,
                'updated_at': None,
                'status': 'uploading',
                'display_description': None,
                'size': 1,
                'volume_type': None,
                'image_id': 1,
                'container_format': u'bare',
                'disk_format': u'raw',
                'image_name': u'image_name'
            }
        }

        self.assertDictMatch(expected_res, res_dict)

    def fake_vhd_image_service_create(self, *args):
        ret = {
            'status': u'queued',
            'name': u'image_name',
            'deleted': False,
            'container_format': u'bare',
            'created_at': datetime.datetime(1, 1, 1, 1, 1, 1),
            'disk_format': u'vhd',
            'updated_at': datetime.datetime(1, 1, 1, 1, 1, 1),
            'id': 1,
            'min_ram': 0,
            'checksum': None,
            'min_disk': 0,
            'is_public': False,
            'deleted_at': None,
            'properties': {u'x_billing_code_license': u'246254365'},
            'size': 0}
        return ret

    @mock.patch.object(volume_api.API, "get_volume_image_metadata")
    @mock.patch.object(glance.GlanceImageService, "create")
    @mock.patch.object(volume_api.API, "get")
    @mock.patch.object(volume_api.API, "update")
    @mock.patch.object(volume_rpcapi.VolumeAPI, "copy_volume_to_image")
    def test_copy_volume_to_image_volume_vhd(
            self,
            mock_copy_volume_to_image,
            mock_update,
            mock_get,
            mock_create,
            mock_get_volume_image_metadata):
        """Test create image from volume with vhd_disk_format"""

        db_volume = fake_volume.fake_db_volume()
        volume_obj = objects.Volume._from_db_object(self.context,
                                                    objects.Volume(),
                                                    db_volume)

        mock_create.side_effect = self.fake_vhd_image_service_create
        mock_get.return_value = volume_obj
        mock_copy_volume_to_image.side_effect = (
            self.fake_rpc_copy_volume_to_image)

        req = fakes.HTTPRequest.blank('/v2/tenant1/volumes/%s/action' % id)
        body = self._get_os_volume_upload_image()

        res_dict = self.controller._volume_upload_image(req, id, body)
        expected_res = {
            'os-volume_upload_image': {
                'id': fake.volume_id,
                'updated_at': None,
                'status': 'uploading',
                'display_description': None,
                'size': 1,
                'volume_type': None,
                'image_id': 1,
                'container_format': u'bare',
                'disk_format': u'vhd',
                'image_name': u'image_name'
            }
        }

        self.assertDictMatch(expected_res, res_dict)
