250 lines
8.8 KiB
Python
250 lines
8.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import eventlet
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import mox
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import unittest
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from nose.plugins.attrib import attr
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from heat.common import context
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from heat.common import exception
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from heat.common import template_format
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from heat.engine import parser
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from heat.engine import scheduler
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from heat.engine.resources import volume as vol
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from heat.engine import clients
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from heat.tests.v1_1 import fakes
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from heat.tests.utils import setup_dummy_db
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@attr(tag=['unit', 'resource', 'volume'])
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@attr(speed='fast')
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class VolumeTest(unittest.TestCase):
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def setUp(self):
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self.m = mox.Mox()
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self.fc = fakes.FakeClient()
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self.m.StubOutWithMock(clients.OpenStackClients, 'cinder')
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self.m.StubOutWithMock(clients.OpenStackClients, 'nova')
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self.m.StubOutWithMock(self.fc.volumes, 'create')
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self.m.StubOutWithMock(self.fc.volumes, 'get')
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self.m.StubOutWithMock(self.fc.volumes, 'delete')
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self.m.StubOutWithMock(self.fc.volumes, 'create_server_volume')
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self.m.StubOutWithMock(self.fc.volumes, 'delete_server_volume')
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self.m.StubOutWithMock(eventlet, 'sleep')
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setup_dummy_db()
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def tearDown(self):
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self.m.UnsetStubs()
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print "VolumeTest teardown complete"
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def load_template(self):
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self.path = os.path.dirname(os.path.realpath(__file__)).\
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replace('heat/tests', 'templates')
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f = open("%s/WordPress_2_Instances_With_EBS.template" % self.path)
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t = template_format.parse(f.read())
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f.close()
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return t
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def parse_stack(self, t, stack_name):
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ctx = context.RequestContext.from_dict({
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'tenant': 'test_tenant',
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'username': 'test_username',
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'password': 'password',
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'auth_url': 'http://localhost:5000/v2.0'})
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template = parser.Template(t)
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params = parser.Parameters(stack_name, template, {'KeyName': 'test'})
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stack = parser.Stack(ctx, stack_name, template, params)
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return stack
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def create_volume(self, t, stack, resource_name):
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resource = vol.Volume(resource_name,
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t['Resources'][resource_name],
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stack)
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self.assertEqual(resource.validate(), None)
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scheduler.TaskRunner(resource.create)()
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self.assertEqual(resource.state, vol.Volume.CREATE_COMPLETE)
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return resource
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def create_attachment(self, t, stack, resource_name):
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resource = vol.VolumeAttachment(resource_name,
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t['Resources'][resource_name],
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stack)
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self.assertEqual(resource.validate(), None)
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scheduler.TaskRunner(resource.create)()
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self.assertEqual(resource.state, vol.VolumeAttachment.CREATE_COMPLETE)
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return resource
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def test_volume(self):
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fv = FakeVolume('creating', 'available')
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stack_name = 'test_volume_stack'
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# create script
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clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
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self.fc.volumes.create(
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u'1', display_description='%s.DataVolume' % stack_name,
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display_name='%s.DataVolume' % stack_name).AndReturn(fv)
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# delete script
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self.fc.volumes.get('vol-123').AndReturn(fv)
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eventlet.sleep(1).AndReturn(None)
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self.fc.volumes.get('vol-123').AndReturn(fv)
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self.fc.volumes.delete('vol-123').AndReturn(None)
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self.fc.volumes.get('vol-123').AndRaise(
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clients.cinder_exceptions.NotFound('Not found'))
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self.m.ReplayAll()
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t = self.load_template()
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stack = self.parse_stack(t, stack_name)
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resource = self.create_volume(t, stack, 'DataVolume')
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self.assertEqual(fv.status, 'available')
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self.assertEqual(resource.handle_update({}), vol.Volume.UPDATE_REPLACE)
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fv.status = 'in-use'
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self.assertRaises(exception.ResourceFailure, resource.destroy)
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fv.status = 'available'
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self.assertEqual(resource.destroy(), None)
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# Test when volume already deleted
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resource.state = resource.CREATE_COMPLETE
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self.assertEqual(resource.destroy(), None)
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self.m.VerifyAll()
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def test_volume_create_error(self):
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fv = FakeVolume('creating', 'error')
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stack_name = 'test_volume_create_error_stack'
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# create script
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clients.OpenStackClients.cinder().AndReturn(self.fc)
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self.fc.volumes.create(
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u'1', display_description='%s.DataVolume' % stack_name,
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display_name='%s.DataVolume' % stack_name).AndReturn(fv)
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eventlet.sleep(1).AndReturn(None)
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self.m.ReplayAll()
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t = self.load_template()
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stack = self.parse_stack(t, stack_name)
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resource = vol.Volume('DataVolume',
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t['Resources']['DataVolume'],
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stack)
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create = scheduler.TaskRunner(resource.create)
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self.assertRaises(exception.ResourceFailure, create)
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self.m.VerifyAll()
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def test_volume_attachment_error(self):
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fv = FakeVolume('creating', 'available')
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fva = FakeVolume('attaching', 'error')
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stack_name = 'test_volume_attach_error_stack'
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# volume create
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clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
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self.fc.volumes.create(
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u'1', display_description='%s.DataVolume' % stack_name,
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display_name='%s.DataVolume' % stack_name).AndReturn(fv)
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# create script
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clients.OpenStackClients.nova().MultipleTimes().AndReturn(self.fc)
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# clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
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eventlet.sleep(1).MultipleTimes().AndReturn(None)
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self.fc.volumes.create_server_volume(
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device=u'/dev/vdc',
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server_id=u'WikiDatabase',
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volume_id=u'vol-123').AndReturn(fva)
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self.fc.volumes.get('vol-123').AndReturn(fva)
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self.m.ReplayAll()
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t = self.load_template()
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stack = self.parse_stack(t, stack_name)
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scheduler.TaskRunner(stack['DataVolume'].create)()
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self.assertEqual(fv.status, 'available')
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resource = vol.VolumeAttachment('MountPoint',
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t['Resources']['MountPoint'],
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stack)
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create = scheduler.TaskRunner(resource.create)
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self.assertRaises(exception.ResourceFailure, create)
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self.m.VerifyAll()
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def test_volume_attachment(self):
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fv = FakeVolume('creating', 'available')
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fva = FakeVolume('attaching', 'in-use')
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stack_name = 'test_volume_attach_stack'
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# volume create
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clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
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self.fc.volumes.create(
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u'1', display_description='%s.DataVolume' % stack_name,
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display_name='%s.DataVolume' % stack_name).AndReturn(fv)
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# create script
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clients.OpenStackClients.nova().MultipleTimes().AndReturn(self.fc)
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#clients.OpenStackClients.cinder().MultipleTimes().AndReturn(self.fc)
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eventlet.sleep(1).MultipleTimes().AndReturn(None)
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self.fc.volumes.create_server_volume(
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device=u'/dev/vdc',
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server_id=u'WikiDatabase',
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volume_id=u'vol-123').AndReturn(fva)
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self.fc.volumes.get('vol-123').AndReturn(fva)
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# delete script
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fva = FakeVolume('in-use', 'available')
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self.fc.volumes.delete_server_volume('WikiDatabase',
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'vol-123').AndReturn(None)
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self.fc.volumes.get('vol-123').AndReturn(fva)
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self.m.ReplayAll()
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t = self.load_template()
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stack = self.parse_stack(t, stack_name)
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scheduler.TaskRunner(stack['DataVolume'].create)()
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self.assertEqual(fv.status, 'available')
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resource = self.create_attachment(t, stack, 'MountPoint')
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self.assertEqual(resource.handle_update({}), vol.Volume.UPDATE_REPLACE)
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self.assertEqual(resource.delete(), None)
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self.m.VerifyAll()
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class FakeVolume:
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status = 'attaching'
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id = 'vol-123'
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def __init__(self, initial_status, final_status):
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self.status = initial_status
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self.final_status = final_status
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def get(self):
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self.status = self.final_status
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