heat/heat/tests/test_glance_image.py

202 lines
7.3 KiB
Python

#
# 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.
from glanceclient import exc as glance_exceptions
import mock
import six
from heat.common import exception
from heat.common import template_format
from heat.engine import resource
from heat.engine.resources.openstack.glance import glance_image as gi
from heat.engine import stack as parser
from heat.engine import template
from heat.tests import common
from heat.tests import utils
image_template = '''
heat_template_version: 2013-05-23
description: This template to define a glance image.
resources:
my_image:
type: OS::Glance::Image
properties:
name: cirros_image
id: 41f0e60c-ebb4-4375-a2b4-845ae8b9c995
disk_format: qcow2
container_format: bare
is_public: True
min_disk: 10
min_ram: 512
protected: False
location: https://launchpad.net/cirros/cirros-0.3.0-x86_64-disk.img
'''
image_template_validate = '''
heat_template_version: 2013-05-23
description: This template to define a glance image.
resources:
image:
type: OS::Glance::Image
properties:
name: image_validate
disk_format: qcow2
container_format: bare
location: https://launchpad.net/cirros/cirros-0.3.0-x86_64-disk.img
'''
class GlanceImageTest(common.HeatTestCase):
def setUp(self):
super(GlanceImageTest, self).setUp()
utils.setup_dummy_db()
self.ctx = utils.dummy_context()
# For unit testing purpose. Register resource provider
# explicitly.
resource._register_class("OS::Glance::Image", gi.GlanceImage)
tpl = template_format.parse(image_template)
self.stack = parser.Stack(
self.ctx, 'glance_image_test_stack',
template.Template(tpl)
)
self.my_image = self.stack['my_image']
glance = mock.MagicMock()
self.glanceclient = mock.MagicMock()
self.my_image.glance = glance
glance.return_value = self.glanceclient
self.images = self.glanceclient.images
def _test_validate(self, resource, error_msg):
exc = self.assertRaises(exception.StackValidationFailed,
resource.validate)
self.assertIn(error_msg, six.text_type(exc))
def test_resource_mapping(self):
mapping = gi.resource_mapping()
self.assertEqual(1, len(mapping))
self.assertEqual(gi.GlanceImage, mapping['OS::Glance::Image'])
self.assertIsInstance(self.my_image, gi.GlanceImage)
def test_invalid_min_disk(self):
# invalid 'min_disk'
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties']['min_disk'] = -1
error_msg = ('Property error : resources.image.properties.min_disk: '
'-1 is out of range (min: 0, max: None)')
self._test_validate(image, error_msg)
def test_invalid_min_ram(self):
# invalid 'min_ram'
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties']['min_ram'] = -1
error_msg = ('Property error : resources.image.properties.min_ram: '
'-1 is out of range (min: 0, max: None)')
self._test_validate(image, error_msg)
def test_miss_disk_format(self):
# miss disk_format
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties'].pop('disk_format')
error_msg = 'Property disk_format not assigned'
self._test_validate(image, error_msg)
def test_invalid_disk_format(self):
# invalid disk_format
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties']['disk_format'] = 'incorrect_format'
error_msg = ('Property error : '
'resources.image.properties.disk_format: '
'"incorrect_format" is not an allowed value '
'[ami, ari, aki, vhd, vmdk, raw, qcow2, vdi, iso]')
self._test_validate(image, error_msg)
def test_miss_container_format(self):
# miss container_format
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties'].pop('container_format')
error_msg = 'Property container_format not assigned'
self._test_validate(image, error_msg)
def test_invalid_container_format(self):
# invalid container_format
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties']['container_format'] = 'incorrect_format'
error_msg = ('Property error : '
'resources.image.properties.container_format: '
'"incorrect_format" is not an allowed value '
'[ami, ari, aki, bare, ova, ovf]')
self._test_validate(image, error_msg)
def test_miss_location(self):
# miss location
tpl = template_format.parse(image_template_validate)
stack = parser.Stack(
self.ctx, 'glance_image_stack_validate',
template.Template(tpl)
)
image = stack['image']
image.t['Properties'].pop('location')
error_msg = 'Property location not assigned'
self._test_validate(image, error_msg)
def test_image_handle_create(self):
value = mock.MagicMock()
image_id = '41f0e60c-ebb4-4375-a2b4-845ae8b9c995'
value.id = image_id
self.images.create.return_value = value
self.my_image.handle_create()
self.assertEqual(image_id, self.my_image.resource_id)
def test_image_handle_delete(self):
self.resource_id = None
self.assertIsNone(self.my_image.handle_delete())
image_id = '41f0e60c-ebb4-4375-a2b4-845ae8b9c995'
self.my_image.resource_id = image_id
self.images.delete.return_value = None
self.assertIsNone(self.my_image.handle_delete())
self.images.delete.side_effect = glance_exceptions.HTTPNotFound(404)
self.assertIsNone(self.my_image.handle_delete())