def get_remote_image_service(context, image_href):
"""Create an image_service and parse the id from the given image_href.
The image_href param can be an href of the form
'http://example.com:9292/v1/images/b8b2c6f7-7345-4e2f-afa2-eedaba9cbbe3',
or just an id such as 'b8b2c6f7-7345-4e2f-afa2-eedaba9cbbe3'. If the
image_href is a standalone id, then the default image service is returned.
:param image_href: href that describes the location of an image
:returns: a tuple of the form (image_service, image_id)
"""
#NOTE(bcwaldon): If image_href doesn't look like a URI, assume its a
# standalone image ID
if '/' not in str(image_href):
image_service = get_default_image_service()
return image_service, image_href
try:
(image_id, glance_host, glance_port, use_ssl) = \
_parse_image_ref(image_href)
glance_client = GlanceClientWrapper(context=context,
host=glance_host,
port=glance_port,
use_ssl=use_ssl)
except ValueError:
raise exception.InvalidImageRef(image_href=image_href)
image_service = GlanceImageService(client=glance_client)
return image_service, image_id
def get_remote_image_service(context, image_href):
"""Create an image_service and parse the id from the given image_href.
The image_href param can be an href of the form
'http://example.com:9292/v1/images/b8b2c6f7-7345-4e2f-afa2-eedaba9cbbe3',
or just an id such as 'b8b2c6f7-7345-4e2f-afa2-eedaba9cbbe3'. If the
image_href is a standalone id, then the default image service is returned.
:param image_href: href that describes the location of an image
:returns: a tuple of the form (image_service, image_id)
"""
# NOTE(bcwaldon): If image_href doesn't look like a URI, assume its a
# standalone image ID
if '/' not in str(image_href):
image_service = get_default_image_service()
return image_service, image_href
try:
(image_id, endpoint) = _endpoint_from_image_ref(image_href)
glance_client = GlanceClientWrapper(context=context, endpoint=endpoint)
except ValueError:
raise exception.InvalidImageRef(image_href=image_href)
# TODO(sbiswas7): Remove this check once we move to glance V2
# completely.
if CONF.glance.use_glance_v1:
image_service = GlanceImageService(client=glance_client)
else:
image_service = GlanceImageServiceV2(client=glance_client)
return image_service, image_id
def get_glance_client(context, image_href):
"""Get the correct glance client and id for the given image_href.
The image_href param can be an href of the form
http://myglanceserver:9292/images/42, or just an int such as 42. If the
image_href is an int, then flags are used to create the default
glance client.
:param image_href: image ref/id for an image
:returns: a tuple of the form (glance_client, image_id)
"""
glance_host, glance_port = pick_glance_api_server()
# check if this is an id
if '/' not in str(image_href):
glance_client = _create_glance_client(context,
glance_host,
glance_port)
return (glance_client, image_href)
else:
try:
(image_id, host, port) = _parse_image_ref(image_href)
except ValueError:
raise exception.InvalidImageRef(image_href=image_href)
glance_client = _create_glance_client(context,
glance_host,
glance_port)
return (glance_client, image_id)
def get_glance_client(image_href):
"""Get the correct glance client and id for the given image_href.
The image_href param can be an href of the form
http://myglanceserver:9292/images/42, or just an int such as 42. If the
image_href is an int, then flags are used to create the default
glance client.
:param image_href: image ref/id for an image
:returns: a tuple of the form (glance_client, image_id)
"""
image_href = image_href or 0
if str(image_href).isdigit():
glance_host, glance_port = \
glance_image_service.pick_glance_api_server()
glance_client = GlanceClient(glance_host, glance_port)
return (glance_client, int(image_href))
try:
(image_id, host, port) = _parse_image_ref(image_href)
except ValueError:
raise exception.InvalidImageRef(image_href=image_href)
glance_client = GlanceClient(host, port)
return (glance_client, image_id)
def test_get_cached_image_with_fetch_exception(self, mock_fetch):
(expected_path,
expected_vhd_path) = self._prepare_get_cached_image(False, False)
# path doesn't exist until fetched.
self.imagecache._pathutils.exists.side_effect = [False, False, True]
mock_fetch.side_effect = exception.InvalidImageRef(
image_href=self.FAKE_IMAGE_REF)
self.assertRaises(exception.InvalidImageRef,
self.imagecache.get_cached_image, self.context,
self.instance)
self.imagecache._pathutils.remove.assert_called_once_with(
expected_path)