deb-heat/heat/tests/test_volume.py
Angus Salkeld e3caef4452 Use new style classes
Change a couple of old style classes into the newer styled ones.

Change-Id: Ide3bbcd2d24f949a2a550fcc2210617f34c8cd0b
2013-07-23 11:26:05 +10:00

741 lines
26 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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 json
from testtools import skipIf
from heat.common import exception
from heat.common import template_format
from heat.engine import scheduler
from heat.engine.resources import volume as vol
from heat.engine import clients
from heat.engine import resource
from heat.openstack.common.importutils import try_import
from heat.tests.common import HeatTestCase
from heat.tests.v1_1 import fakes
from heat.tests import utils
from heat.tests.utils import setup_dummy_db
from heat.tests.utils import parse_stack
from cinderclient.v1 import client as cinderclient
volume_backups = try_import('cinderclient.v1.volume_backups')
volume_template = '''
{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "Volume Test",
"Parameters" : {},
"Resources" : {
"WikiDatabase": {
"Type": "AWS::EC2::Instance",
"Properties": {
"ImageId" : "foo",
"InstanceType" : "m1.large",
"KeyName" : "test",
"UserData" : "some data"
}
},
"DataVolume" : {
"Type" : "AWS::EC2::Volume",
"Properties" : {
"Size" : "1",
"AvailabilityZone" : "nova",
"Tags" : [{ "Key" : "Usage", "Value" : "Wiki Data Volume" }]
}
},
"MountPoint" : {
"Type" : "AWS::EC2::VolumeAttachment",
"Properties" : {
"InstanceId" : { "Ref" : "WikiDatabase" },
"VolumeId" : { "Ref" : "DataVolume" },
"Device" : "/dev/vdc"
}
}
}
}
'''
class VolumeTest(HeatTestCase):
def setUp(self):
super(VolumeTest, self).setUp()
self.fc = fakes.FakeClient()
self.cinder_fc = cinderclient.Client('username', 'password')
self.m.StubOutWithMock(clients.OpenStackClients, 'cinder')
self.m.StubOutWithMock(clients.OpenStackClients, 'nova')
self.m.StubOutWithMock(self.cinder_fc.volumes, 'create')
self.m.StubOutWithMock(self.cinder_fc.volumes, 'get')
self.m.StubOutWithMock(self.cinder_fc.volumes, 'delete')
self.m.StubOutWithMock(self.fc.volumes, 'create_server_volume')
self.m.StubOutWithMock(self.fc.volumes, 'delete_server_volume')
setup_dummy_db()
def create_volume(self, t, stack, resource_name):
data = t['Resources'][resource_name]
data['Properties']['AvailabilityZone'] = 'nova'
rsrc = vol.Volume(resource_name, data, stack)
self.assertEqual(rsrc.validate(), None)
scheduler.TaskRunner(rsrc.create)()
self.assertEqual(rsrc.state, (rsrc.CREATE, rsrc.COMPLETE))
return rsrc
def create_attachment(self, t, stack, resource_name):
rsrc = vol.VolumeAttachment(resource_name,
t['Resources'][resource_name],
stack)
self.assertEqual(rsrc.validate(), None)
scheduler.TaskRunner(rsrc.create)()
self.assertEqual(rsrc.state, (rsrc.CREATE, rsrc.COMPLETE))
return rsrc
def _mock_create_volume(self, fv, stack_name):
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(
self.cinder_fc)
vol_name = utils.PhysName(stack_name, 'DataVolume')
self.cinder_fc.volumes.create(
size=u'1', availability_zone='nova',
display_description=vol_name,
display_name=vol_name).AndReturn(fv)
def _mock_create_server_volume_script(self, fva):
clients.OpenStackClients.nova().MultipleTimes().AndReturn(self.fc)
self.fc.volumes.create_server_volume(
device=u'/dev/vdc', server_id=u'WikiDatabase',
volume_id=u'vol-123').AndReturn(fva)
self.cinder_fc.volumes.get('vol-123').AndReturn(fva)
def test_volume(self):
fv = FakeVolume('creating', 'available')
stack_name = 'test_volume_stack'
# create script
self._mock_create_volume(fv, stack_name)
# delete script
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.cinder_fc.volumes.delete('vol-123').AndReturn(None)
self.cinder_fc.volumes.get('vol-123').AndRaise(
clients.cinderclient.exceptions.NotFound('Not found'))
self.m.ReplayAll()
t = template_format.parse(volume_template)
stack = parse_stack(t, stack_name=stack_name)
rsrc = self.create_volume(t, stack, 'DataVolume')
self.assertEqual(fv.status, 'available')
self.assertRaises(resource.UpdateReplace,
rsrc.handle_update, {}, {}, {})
fv.status = 'in-use'
self.assertRaises(exception.ResourceFailure, rsrc.destroy)
fv.status = 'available'
self.assertEqual(rsrc.destroy(), None)
# Test when volume already deleted
rsrc.state_set(rsrc.CREATE, rsrc.COMPLETE)
self.assertEqual(rsrc.destroy(), None)
self.m.VerifyAll()
def test_volume_create_error(self):
fv = FakeVolume('creating', 'error')
stack_name = 'test_volume_create_error_stack'
self._mock_create_volume(fv, stack_name)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
rsrc = vol.Volume('DataVolume',
t['Resources']['DataVolume'],
stack)
create = scheduler.TaskRunner(rsrc.create)
self.assertRaises(exception.ResourceFailure, create)
self.m.VerifyAll()
def test_volume_attachment_error(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'error')
stack_name = 'test_volume_attach_error_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
self.assertEqual(fv.status, 'available')
rsrc = vol.VolumeAttachment('MountPoint',
t['Resources']['MountPoint'],
stack)
create = scheduler.TaskRunner(rsrc.create)
self.assertRaises(exception.ResourceFailure, create)
self.m.VerifyAll()
def test_volume_attachment(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'in-use')
stack_name = 'test_volume_attach_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
# delete script
fva = FakeVolume('in-use', 'available')
self.fc.volumes.delete_server_volume('WikiDatabase',
'vol-123').AndReturn(None)
self.cinder_fc.volumes.get('vol-123').AndReturn(fva)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
self.assertEqual(fv.status, 'available')
rsrc = self.create_attachment(t, stack, 'MountPoint')
self.assertRaises(resource.UpdateReplace,
rsrc.handle_update, {}, {}, {})
self.assertEqual(rsrc.delete(), None)
self.m.VerifyAll()
def test_volume_detachment_err(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('in-use', 'available')
stack_name = 'test_volume_detach_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
# delete script
fva = FakeVolume('i-use', 'available')
self.m.StubOutWithMock(fva, 'get')
fva.get().MultipleTimes()
fva.status = "in-use"
self.cinder_fc.volumes.get('vol-123').AndReturn(fva)
self.fc.volumes.delete_server_volume(
'WikiDatabase', 'vol-123').AndRaise(
clients.novaclient.exceptions.NotFound('Not found'))
self.fc.volumes.delete_server_volume(
'WikiDatabase', 'vol-123').AndRaise(
clients.novaclient.exceptions.NotFound('Not found'))
self.fc.volumes.delete_server_volume(
'WikiDatabase', 'vol-123').AndRaise(
clients.cinderclient.exceptions.NotFound('Not found'))
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
self.assertEqual(fv.status, 'available')
rsrc = self.create_attachment(t, stack, 'MountPoint')
self.assertRaises(resource.UpdateReplace,
rsrc.handle_update, {}, {}, {})
self.assertEqual(rsrc.delete(), None)
self.m.VerifyAll()
def test_volume_detach_non_exist(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('in-use', 'available')
stack_name = 'test_volume_detach_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
# delete script
self.cinder_fc.volumes.get('vol-123').AndRaise(
clients.cinderclient.exceptions.NotFound('Not found'))
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
rsrc = self.create_attachment(t, stack, 'MountPoint')
self.assertEqual(rsrc.delete(), None)
self.m.VerifyAll()
def test_volume_detach_with_latency(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'in-use')
stack_name = 'test_volume_attach_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
# delete script
volume_detach_cycle = 'in-use', 'detaching', 'available'
fva = FakeLatencyVolume(life_cycle=volume_detach_cycle)
self.fc.volumes.delete_server_volume(
'WikiDatabase', 'vol-123').MultipleTimes().AndReturn(None)
self.cinder_fc.volumes.get('vol-123').AndReturn(fva)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
self.assertEqual(fv.status, 'available')
rsrc = self.create_attachment(t, stack, 'MountPoint')
self.assertEqual(rsrc.delete(), None)
self.m.VerifyAll()
def test_volume_detach_with_error(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'in-use')
stack_name = 'test_volume_attach_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
# delete script
fva = FakeVolume('in-use', 'error')
self.fc.volumes.delete_server_volume('WikiDatabase',
'vol-123').AndReturn(None)
self.cinder_fc.volumes.get('vol-123').AndReturn(fva)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
self.assertEqual(fv.status, 'available')
rsrc = self.create_attachment(t, stack, 'MountPoint')
detach_task = scheduler.TaskRunner(rsrc.delete)
self.assertRaises(exception.ResourceFailure, detach_task)
self.m.VerifyAll()
@skipIf(volume_backups is None, 'unable to import volume_backups')
def test_snapshot(self):
stack_name = 'test_volume_stack'
fv = FakeVolume('creating', 'available')
fb = FakeBackup('creating', 'available')
self._mock_create_volume(fv, stack_name)
# snapshot script
self.m.StubOutWithMock(self.cinder_fc.backups, 'create')
self.cinder_fc.backups.create('vol-123').AndReturn(fb)
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.cinder_fc.volumes.delete('vol-123').AndReturn(None)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['DeletionPolicy'] = 'Snapshot'
stack = parse_stack(t, stack_name=stack_name)
rsrc = self.create_volume(t, stack, 'DataVolume')
self.assertEqual(rsrc.destroy(), None)
self.m.VerifyAll()
@skipIf(volume_backups is None, 'unable to import volume_backups')
def test_snapshot_error(self):
stack_name = 'test_volume_stack'
fv = FakeVolume('creating', 'available')
fb = FakeBackup('creating', 'error')
self._mock_create_volume(fv, stack_name)
# snapshot script
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.m.StubOutWithMock(self.cinder_fc.backups, 'create')
self.cinder_fc.backups.create('vol-123').AndReturn(fb)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['DeletionPolicy'] = 'Snapshot'
stack = parse_stack(t, stack_name=stack_name)
rsrc = self.create_volume(t, stack, 'DataVolume')
self.assertRaises(exception.ResourceFailure, rsrc.destroy)
self.m.VerifyAll()
@skipIf(volume_backups is None, 'unable to import volume_backups')
def test_snapshot_no_volume(self):
stack_name = 'test_volume_stack'
fv = FakeVolume('creating', 'error')
self._mock_create_volume(fv, stack_name)
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.cinder_fc.volumes.delete('vol-123').AndReturn(None)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['DeletionPolicy'] = 'Snapshot'
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
rsrc = vol.Volume('DataVolume',
t['Resources']['DataVolume'],
stack)
create = scheduler.TaskRunner(rsrc.create)
self.assertRaises(exception.ResourceFailure, create)
self.assertEqual(rsrc.destroy(), None)
self.m.VerifyAll()
@skipIf(volume_backups is None, 'unable to import volume_backups')
def test_create_from_snapshot(self):
stack_name = 'test_volume_stack'
fv = FakeVolumeFromBackup('restoring-backup', 'available')
fvbr = FakeBackupRestore('vol-123')
# create script
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(
self.cinder_fc)
self.m.StubOutWithMock(self.cinder_fc.restores, 'restore')
self.cinder_fc.restores.restore('backup-123').AndReturn(fvbr)
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.m.StubOutWithMock(fv, 'update')
vol_name = utils.PhysName(stack_name, 'DataVolume')
fv.update(
display_description=vol_name,
display_name=vol_name)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['SnapshotId'] = 'backup-123'
stack = parse_stack(t, stack_name=stack_name)
self.create_volume(t, stack, 'DataVolume')
self.assertEqual(fv.status, 'available')
self.m.VerifyAll()
@skipIf(volume_backups is None, 'unable to import volume_backups')
def test_create_from_snapshot_error(self):
stack_name = 'test_volume_stack'
fv = FakeVolumeFromBackup('restoring-backup', 'error')
fvbr = FakeBackupRestore('vol-123')
# create script
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(
self.cinder_fc)
self.m.StubOutWithMock(self.cinder_fc.restores, 'restore')
self.cinder_fc.restores.restore('backup-123').AndReturn(fvbr)
self.cinder_fc.volumes.get('vol-123').AndReturn(fv)
self.m.StubOutWithMock(fv, 'update')
vol_name = utils.PhysName(stack_name, 'DataVolume')
fv.update(
display_description=vol_name,
display_name=vol_name)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['SnapshotId'] = 'backup-123'
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = parse_stack(t, stack_name=stack_name)
rsrc = vol.Volume('DataVolume',
t['Resources']['DataVolume'],
stack)
create = scheduler.TaskRunner(rsrc.create)
self.assertRaises(exception.ResourceFailure, create)
self.m.VerifyAll()
def test_cinder_create(self):
fv = FakeVolume('creating', 'available')
stack_name = 'test_volume_stack'
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(
self.cinder_fc)
self.cinder_fc.volumes.create(
size=u'1', availability_zone='nova',
display_description='CustomDescription',
display_name='CustomName',
imageRef='Image1',
snapshot_id='snap-123',
metadata={'key': 'value'},
source_volid='vol-012',
volume_type='lvm').AndReturn(fv)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties'] = {
'size': '1',
'availability_zone': 'nova',
'name': 'CustomName',
'description': 'CustomDescription',
'volume_type': 'lvm',
'metadata': {'key': 'value'},
# Note that specifying all these arguments doesn't work in
# practice, as they are conflicting, but we just want to check they
# are sent to the backend.
'imageRef': 'Image1',
'snapshot_id': 'snap-123',
'source_volid': 'vol-012',
}
stack = parse_stack(t, stack_name=stack_name)
rsrc = vol.CinderVolume('DataVolume',
t['Resources']['DataVolume'],
stack)
self.assertEqual(rsrc.validate(), None)
scheduler.TaskRunner(rsrc.create)()
self.assertEqual(rsrc.state, (rsrc.CREATE, rsrc.COMPLETE))
self.assertEqual(fv.status, 'available')
self.m.VerifyAll()
def test_cinder_default(self):
fv = FakeVolume('creating', 'available')
stack_name = 'test_volume_stack'
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(
self.cinder_fc)
vol_name = utils.PhysName(stack_name, 'DataVolume')
self.cinder_fc.volumes.create(
size=u'1', availability_zone='nova',
display_description=None,
display_name=vol_name).AndReturn(fv)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties'] = {
'size': '1',
'availability_zone': 'nova',
}
stack = parse_stack(t, stack_name=stack_name)
rsrc = vol.CinderVolume('DataVolume',
t['Resources']['DataVolume'],
stack)
self.assertEqual(rsrc.validate(), None)
scheduler.TaskRunner(rsrc.create)()
self.assertEqual(rsrc.state, (rsrc.CREATE, rsrc.COMPLETE))
self.assertEqual(fv.status, 'available')
self.m.VerifyAll()
def test_cinder_fn_getatt(self):
fv = FakeVolume('creating', 'available', availability_zone='zone1',
size=1, snapshot_id='snap-123', display_name='name',
display_description='desc', volume_type='lvm',
metadata={'key': 'value'}, source_volid=None,
status='available', bootable=False,
created_at='2013-02-25T02:40:21.000000')
stack_name = 'test_volume_stack'
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(
self.cinder_fc)
vol_name = utils.PhysName(stack_name, 'DataVolume')
self.cinder_fc.volumes.create(
size=u'1', availability_zone='nova',
display_description=None,
display_name=vol_name).AndReturn(fv)
self.cinder_fc.volumes.get('vol-123').MultipleTimes().AndReturn(fv)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties'] = {
'size': '1',
'availability_zone': 'nova',
}
stack = parse_stack(t, stack_name=stack_name)
rsrc = vol.CinderVolume('DataVolume',
t['Resources']['DataVolume'],
stack)
scheduler.TaskRunner(rsrc.create)()
self.assertEqual(u'vol-123', rsrc.FnGetAtt('id'))
self.assertEqual(u'zone1', rsrc.FnGetAtt('availability_zone'))
self.assertEqual(u'1', rsrc.FnGetAtt('size'))
self.assertEqual(u'snap-123', rsrc.FnGetAtt('snapshot_id'))
self.assertEqual(u'name', rsrc.FnGetAtt('display_name'))
self.assertEqual(u'desc', rsrc.FnGetAtt('display_description'))
self.assertEqual(u'lvm', rsrc.FnGetAtt('volume_type'))
self.assertEqual(json.dumps({'key': 'value'}),
rsrc.FnGetAtt('metadata'))
self.assertEqual(u'None', rsrc.FnGetAtt('source_volid'))
self.assertEqual(u'available', rsrc.FnGetAtt('status'))
self.assertEqual(u'2013-02-25T02:40:21.000000',
rsrc.FnGetAtt('created_at'))
self.assertEqual(u'False', rsrc.FnGetAtt('bootable'))
error = self.assertRaises(exception.InvalidTemplateAttribute,
rsrc.FnGetAtt, 'unknown')
self.assertEqual(
'The Referenced Attribute (DataVolume unknown) is incorrect.',
str(error))
self.m.VerifyAll()
def test_cinder_attachment(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'in-use')
stack_name = 'test_volume_attach_stack'
self._mock_create_volume(fv, stack_name)
self._mock_create_server_volume_script(fva)
# delete script
fva = FakeVolume('in-use', 'available')
self.fc.volumes.delete_server_volume('WikiDatabase',
'vol-123').AndReturn(None)
self.cinder_fc.volumes.get('vol-123').AndReturn(fva)
self.m.ReplayAll()
t = template_format.parse(volume_template)
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
t['Resources']['MountPoint']['Properties'] = {
'instance_uuid': {'Ref': 'WikiDatabase'},
'volume_id': {'Ref': 'DataVolume'},
'mountpoint': '/dev/vdc'
}
stack = parse_stack(t, stack_name=stack_name)
scheduler.TaskRunner(stack['DataVolume'].create)()
self.assertEqual(fv.status, 'available')
rsrc = vol.CinderVolumeAttachment('MountPoint',
t['Resources']['MountPoint'],
stack)
self.assertEqual(rsrc.validate(), None)
scheduler.TaskRunner(rsrc.create)()
self.assertEqual(rsrc.state, (rsrc.CREATE, rsrc.COMPLETE))
self.assertRaises(resource.UpdateReplace, rsrc.handle_update,
{}, {}, {})
self.assertEqual(rsrc.delete(), None)
self.m.VerifyAll()
class FakeVolume(object):
status = 'attaching'
id = 'vol-123'
def __init__(self, initial_status, final_status, **attrs):
self.status = initial_status
self.final_status = final_status
for key, value in attrs.iteritems():
setattr(self, key, value)
def get(self):
self.status = self.final_status
def update(self, **kw):
pass
class FakeLatencyVolume(object):
status = 'attaching'
id = 'vol-123'
def __init__(self, life_cycle=('creating', 'available'), **attrs):
if not isinstance(life_cycle, tuple):
raise exception.Error('life_cycle need to be a tuple.')
if not len(life_cycle):
raise exception.Error('life_cycle should not be an empty tuple.')
self.life_cycle = iter(life_cycle)
self.status = next(self.life_cycle)
for key, value in attrs.iteritems():
setattr(self, key, value)
def get(self):
self.status = next(self.life_cycle)
def update(self, **kw):
pass
class FakeBackup(FakeVolume):
status = 'creating'
id = 'backup-123'
class FakeBackupRestore(object):
volume_id = 'vol-123'
def __init__(self, volume_id):
self.volume_id = volume_id
class FakeVolumeFromBackup(FakeVolume):
status = 'restoring-backup'
get_call_count = 0
def get(self):
# Allow get to be called once without changing the status
# This is to allow the check_create_complete method to
# check the inital status.
if self.get_call_count < 1:
self.get_call_count += 1
else:
self.status = self.final_status