# 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
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# under the License.
import os
import eventlet
import mox
import unittest
from nose.plugins.attrib import attr
from heat.common import context
from heat.common import template_format
from heat.engine import parser
from heat.engine.resources import volume as vol
from heat.engine import clients
from heat.tests.v1_1 import fakes
@attr(tag=['unit', 'resource', 'volume'])
@attr(speed='fast')
[docs]class VolumeTest(unittest.TestCase):
[docs] def setUp(self):
self.m = mox.Mox()
self.fc = fakes.FakeClient()
self.m.StubOutWithMock(clients.OpenStackClients, 'cinder')
self.m.StubOutWithMock(clients.OpenStackClients, 'nova')
self.m.StubOutWithMock(self.fc.volumes, 'create')
self.m.StubOutWithMock(self.fc.volumes, 'get')
self.m.StubOutWithMock(self.fc.volumes, 'delete')
self.m.StubOutWithMock(self.fc.volumes, 'create_server_volume')
self.m.StubOutWithMock(self.fc.volumes, 'delete_server_volume')
self.m.StubOutWithMock(eventlet, 'sleep')
[docs] def tearDown(self):
self.m.UnsetStubs()
print "VolumeTest teardown complete"
[docs] def load_template(self):
self.path = os.path.dirname(os.path.realpath(__file__)).\
replace('heat/tests', 'templates')
f = open("%s/WordPress_2_Instances_With_EBS.template" % self.path)
t = template_format.parse(f.read())
f.close()
return t
[docs] def parse_stack(self, t, stack_name):
ctx = context.RequestContext.from_dict({
'tenant': 'test_tenant',
'username': 'test_username',
'password': 'password',
'auth_url': 'http://localhost:5000/v2.0'})
template = parser.Template(t)
params = parser.Parameters(stack_name, template, {'KeyName': 'test'})
stack = parser.Stack(ctx, stack_name, template, params)
return stack
[docs] def create_volume(self, t, stack, resource_name):
resource = vol.Volume(resource_name,
t['Resources'][resource_name],
stack)
self.assertEqual(resource.validate(), None)
self.assertEqual(resource.create(), None)
self.assertEqual(resource.state, vol.Volume.CREATE_COMPLETE)
return resource
[docs] def create_attachment(self, t, stack, resource_name):
resource = vol.VolumeAttachment(resource_name,
t['Resources'][resource_name],
stack)
self.assertEqual(resource.validate(), None)
self.assertEqual(resource.create(), None)
self.assertEqual(resource.state, vol.VolumeAttachment.CREATE_COMPLETE)
return resource
[docs] def test_volume(self):
fv = FakeVolume('creating', 'available')
stack_name = 'test_volume_stack'
# create script
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
self.fc.volumes.create(
u'1', display_description='%s.DataVolume' % stack_name,
display_name='%s.DataVolume' % stack_name).AndReturn(fv)
# delete script
self.fc.volumes.get('vol-123').AndReturn(fv)
eventlet.sleep(1).AndReturn(None)
self.fc.volumes.get('vol-123').AndReturn(fv)
self.fc.volumes.delete('vol-123').AndReturn(None)
self.m.ReplayAll()
t = self.load_template()
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = self.parse_stack(t, stack_name)
resource = self.create_volume(t, stack, 'DataVolume')
self.assertEqual(fv.status, 'available')
self.assertEqual(resource.handle_update({}), vol.Volume.UPDATE_REPLACE)
fv.status = 'in-use'
self.assertEqual(resource.delete(), 'Volume in use')
fv.status = 'available'
self.assertEqual(resource.delete(), None)
self.m.VerifyAll()
[docs] def test_volume_create_error(self):
fv = FakeVolume('creating', 'error')
stack_name = 'test_volume_create_error_stack'
# create script
clients.OpenStackClients.cinder().AndReturn(self.fc)
self.fc.volumes.create(
u'1', display_description='%s.DataVolume' % stack_name,
display_name='%s.DataVolume' % stack_name).AndReturn(fv)
eventlet.sleep(1).AndReturn(None)
self.m.ReplayAll()
t = self.load_template()
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = self.parse_stack(t, stack_name)
resource = vol.Volume('DataVolume',
t['Resources']['DataVolume'],
stack)
self.assertEqual(resource.create(), 'error')
self.m.VerifyAll()
[docs] def test_volume_attachment_error(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'error')
stack_name = 'test_volume_attach_error_stack'
# volume create
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
self.fc.volumes.create(
u'1', display_description='%s.DataVolume' % stack_name,
display_name='%s.DataVolume' % stack_name).AndReturn(fv)
# create script
clients.OpenStackClients.nova().MultipleTimes().AndReturn(self.fc)
# clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
eventlet.sleep(1).MultipleTimes().AndReturn(None)
self.fc.volumes.create_server_volume(
device=u'/dev/vdc',
server_id=u'WikiDatabase',
volume_id=u'vol-123').AndReturn(fva)
self.fc.volumes.get('vol-123').AndReturn(fva)
self.m.ReplayAll()
t = self.load_template()
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = self.parse_stack(t, stack_name)
self.assertEqual(stack['DataVolume'].create(), None)
self.assertEqual(fv.status, 'available')
resource = vol.VolumeAttachment('MountPoint',
t['Resources']['MountPoint'],
stack)
self.assertEqual(resource.create(), 'error')
self.m.VerifyAll()
[docs] def test_volume_attachment(self):
fv = FakeVolume('creating', 'available')
fva = FakeVolume('attaching', 'in-use')
stack_name = 'test_volume_attach_stack'
# volume create
clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
self.fc.volumes.create(
u'1', display_description='%s.DataVolume' % stack_name,
display_name='%s.DataVolume' % stack_name).AndReturn(fv)
# create script
clients.OpenStackClients.nova().MultipleTimes().AndReturn(self.fc)
#clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
eventlet.sleep(1).MultipleTimes().AndReturn(None)
self.fc.volumes.create_server_volume(
device=u'/dev/vdc',
server_id=u'WikiDatabase',
volume_id=u'vol-123').AndReturn(fva)
self.fc.volumes.get('vol-123').AndReturn(fva)
# delete script
fva = FakeVolume('in-use', 'available')
self.fc.volumes.delete_server_volume('WikiDatabase',
'vol-123').AndReturn(None)
self.fc.volumes.get('vol-123').AndReturn(fva)
self.m.ReplayAll()
t = self.load_template()
t['Resources']['DataVolume']['Properties']['AvailabilityZone'] = 'nova'
stack = self.parse_stack(t, stack_name)
self.assertEqual(stack['DataVolume'].create(), None)
self.assertEqual(fv.status, 'available')
resource = self.create_attachment(t, stack, 'MountPoint')
self.assertEqual(resource.handle_update({}), vol.Volume.UPDATE_REPLACE)
self.assertEqual(resource.delete(), None)
self.m.VerifyAll()
[docs]class FakeVolume:
status = 'attaching'
id = 'vol-123'
def __init__(self, initial_status, final_status):
self.status = initial_status
self.final_status = final_status
[docs] def get(self):
self.status = self.final_status