# Copyright 2013 IBM Corp.
#
# 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 io
import time
from tempest import config
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils import test_utils
from tempest.lib import exceptions
import tempest.test
CONF = config.CONF
BAD_REQUEST_RETRIES = 3
[docs]
class BaseImageTest(tempest.test.BaseTestCase):
"""Base test class for Image API tests."""
credentials = ['primary']
@classmethod
def skip_checks(cls):
super(BaseImageTest, cls).skip_checks()
if not CONF.service_available.glance:
skip_msg = ("%s skipped as glance is not available" % cls.__name__)
raise cls.skipException(skip_msg)
@classmethod
def setup_credentials(cls):
cls.set_network_resources()
super(BaseImageTest, cls).setup_credentials()
@classmethod
def resource_setup(cls):
super(BaseImageTest, cls).resource_setup()
cls.created_images = []
@classmethod
def create_image(cls, data=None, **kwargs):
"""Wrapper that returns a test image."""
if 'name' not in kwargs:
name = data_utils.rand_name(
prefix=CONF.resource_name_prefix,
name=cls.__name__ + "-image")
kwargs['name'] = name
image = cls.client.create_image(**kwargs)
cls.created_images.append(image['id'])
cls.addClassResourceCleanup(cls.client.wait_for_resource_deletion,
image['id'])
cls.addClassResourceCleanup(test_utils.call_and_ignore_notfound_exc,
cls.client.delete_image, image['id'])
return image
[docs]
class BaseV2ImageTest(BaseImageTest):
@classmethod
def skip_checks(cls):
super(BaseV2ImageTest, cls).skip_checks()
if not CONF.image_feature_enabled.api_v2:
msg = "Glance API v2 not supported"
raise cls.skipException(msg)
@classmethod
def setup_clients(cls):
super(BaseV2ImageTest, cls).setup_clients()
cls.client = cls.os_primary.image_client_v2
cls.schemas_client = cls.os_primary.schemas_client
cls.versions_client = cls.os_primary.image_versions_client
def create_namespace(self, namespace_name=None, visibility='public',
description='Tempest', protected=False,
**kwargs):
if not namespace_name:
namespace_name = data_utils.rand_name(
prefix=CONF.resource_name_prefix, name='test-ns')
kwargs.setdefault('display_name', namespace_name)
namespace = self.namespaces_client.create_namespace(
namespace=namespace_name, visibility=visibility,
description=description, protected=protected, **kwargs)
self.addCleanup(self.namespaces_client.delete_namespace,
namespace_name)
return namespace
def create_and_stage_image(self, all_stores=False):
"""Create Image & stage image file for glance-direct import method."""
image_name = data_utils.rand_name('test-image')
container_format = CONF.image.container_formats[0]
image = self.create_image(name=image_name,
container_format=container_format,
disk_format='raw',
visibility='private')
self.assertEqual('queued', image['status'])
self.client.stage_image_file(
image['id'],
io.BytesIO(data_utils.random_bytes()))
# Check image status is 'uploading'
body = self.client.show_image(image['id'])
self.assertEqual(image['id'], body['id'])
self.assertEqual('uploading', body['status'])
if all_stores:
stores_list = ','.join([store['id']
for store in self.available_stores
if store.get('read-only') != 'true'])
else:
stores = [store['id'] for store in self.available_stores
if store.get('read-only') != 'true']
stores_list = stores[::max(1, len(stores) - 1)]
return body, stores_list
@classmethod
def get_available_stores(cls):
stores = []
try:
stores = cls.client.info_stores()['stores']
except exceptions.NotFound:
pass
return stores
def _update_image_with_retries(self, image, patch):
# NOTE(danms): If glance was unable to fetch the remote image via
# HTTP, it will return BadRequest. Because this can be transient in
# CI, we try this a few times before we agree that it has failed
# for a reason worthy of failing the test.
for i in range(BAD_REQUEST_RETRIES):
try:
self.client.update_image(image, patch)
break
except exceptions.BadRequest:
if i + 1 == BAD_REQUEST_RETRIES:
raise
else:
time.sleep(1)
def check_set_location(self):
image = self.client.create_image(container_format='bare',
disk_format='raw')
# Locations should be empty when there is no data
self.assertEqual('queued', image['status'])
self.assertEqual([], image['locations'])
# Add a new location
new_loc = {'metadata': {'foo': 'bar'},
'url': CONF.image.http_image}
self._update_image_with_retries(image['id'], [
dict(add='/locations/-', value=new_loc)])
# The image should now be active, with one location that looks
# like we expect
image = self.client.show_image(image['id'])
self.assertEqual(1, len(image['locations']),
'Image should have one location but has %i' % (
len(image['locations'])))
self.assertEqual(new_loc['url'], image['locations'][0]['url'])
self.assertEqual('bar', image['locations'][0]['metadata'].get('foo'))
if 'direct_url' in image:
self.assertEqual(image['direct_url'], image['locations'][0]['url'])
# If we added the location directly, the image goes straight
# to active and no hashing is done
self.assertEqual('active', image['status'])
self.assertIsNone(image['os_hash_algo'])
self.assertIsNone(image['os_hash_value'])
return image
def check_set_multiple_locations(self):
image = self.check_set_location()
new_loc = {'metadata': {'speed': '88mph'},
'url': '%s#new' % CONF.image.http_image}
self._update_image_with_retries(image['id'],
[dict(add='/locations/-',
value=new_loc)])
# The image should now have two locations and the last one
# (locations are ordered) should have the new URL.
image = self.client.show_image(image['id'])
self.assertEqual(2, len(image['locations']),
'Image should have two locations but has %i' % (
len(image['locations'])))
self.assertEqual(new_loc['url'], image['locations'][1]['url'])
# The image should still be active and still have no hashes
self.assertEqual('active', image['status'])
self.assertIsNone(image['os_hash_algo'])
self.assertIsNone(image['os_hash_value'])
# The direct_url should still match the first location
if 'direct_url' in image:
self.assertEqual(image['direct_url'], image['locations'][0]['url'])
return image
[docs]
class BaseV2MemberImageTest(BaseV2ImageTest):
credentials = ['primary', 'alt']
@classmethod
def setup_clients(cls):
super(BaseV2MemberImageTest, cls).setup_clients()
cls.image_member_client = cls.os_primary.image_member_client_v2
cls.alt_image_member_client = cls.os_alt.image_member_client_v2
cls.alt_img_client = cls.os_alt.image_client_v2
@classmethod
def resource_setup(cls):
super(BaseV2MemberImageTest, cls).resource_setup()
cls.alt_tenant_id = cls.alt_image_member_client.tenant_id
def _list_image_ids_as_alt(self):
image_list = self.alt_img_client.list_images()['images']
image_ids = map(lambda x: x['id'], image_list)
return image_ids
def _create_image(self):
name = data_utils.rand_name(
prefix=CONF.resource_name_prefix,
name=self.__class__.__name__ + '-image')
image = self.client.create_image(name=name,
container_format='bare',
disk_format='raw')
self.addCleanup(self.client.delete_image, image['id'])
return image['id']
[docs]
class BaseV2ImageAdminTest(BaseV2ImageTest):
credentials = ['admin', 'primary']
@classmethod
def setup_clients(cls):
super(BaseV2ImageAdminTest, cls).setup_clients()
cls.admin_client = cls.os_admin.image_client_v2
cls.namespaces_client = cls.os_admin.namespaces_client
cls.resource_types_client = cls.os_admin.resource_types_client
cls.namespace_properties_client =\
cls.os_admin.namespace_properties_client
cls.namespace_objects_client = cls.os_admin.namespace_objects_client
cls.namespace_tags_client = cls.os_admin.namespace_tags_client
