def check_metadata_properties(metadata=None):
"""Checks that the volume metadata properties are valid."""
if not metadata:
metadata = {}
for k, v in metadata.items():
if len(k) == 0:
msg = _("Metadata property key blank.")
LOG.debug(msg)
raise exception.InvalidVolumeMetadata(reason=msg)
if len(k) > 255:
msg = _("Metadata property key %s greater than 255 "
"characters.") % k
LOG.debug(msg)
raise exception.InvalidVolumeMetadataSize(reason=msg)
if v is None:
msg = _("Metadata property key '%s' value is None.") % k
raise exception.InvalidVolumeMetadata(reason=msg)
if len(v) > 255:
msg = _("Metadata property key %s value greater than "
"255 characters.") % k
LOG.debug(msg)
raise exception.InvalidVolumeMetadataSize(reason=msg)
def _check_metadata_properties(self, metadata=None):
if not metadata:
metadata = {}
for k, v in metadata.iteritems():
if len(k) == 0:
msg = _("Metadata property key blank")
LOG.warn(msg)
raise exception.InvalidVolumeMetadata(reason=msg)
if len(k) > 255:
msg = _("Metadata property key greater than 255 characters")
LOG.warn(msg)
raise exception.InvalidVolumeMetadataSize(reason=msg)
if len(v) > 255:
msg = _("Metadata property value greater than 255 characters")
LOG.warn(msg)
raise exception.InvalidVolumeMetadataSize(reason=msg)
def _check_metadata_properties(metadata=None):
"""Checks that the volume metadata properties are valid."""
if not metadata:
metadata = {}
for (k, v) in metadata.iteritems():
if len(k) == 0:
msg = _("Metadata property key blank")
LOG.warn(msg)
raise exception.InvalidVolumeMetadata(reason=msg)
if len(k) > 255:
msg = _("Metadata property key %s greater than 255 "
"characters") % k
LOG.warn(msg)
raise exception.InvalidVolumeMetadataSize(reason=msg)
if len(v) > 255:
msg = _("Metadata property key %s value greater than"
" 255 characters") % k
LOG.warn(msg)
raise exception.InvalidVolumeMetadataSize(reason=msg)
def check_metadata_properties(metadata=None):
"""Checks that the volume metadata properties are valid."""
if not metadata:
metadata = {}
for k, v in metadata.items():
try:
check_string_length(k, "Metadata key: %s" % k, min_length=1)
check_string_length(v, "Value for metadata key: %s" % k)
except exception.InvalidInput as exc:
raise exception.InvalidVolumeMetadata(reason=exc)
# for backward compatibility
if len(k) > 255:
msg = _("Metadata property key %s greater than 255 "
"characters.") % k
raise exception.InvalidVolumeMetadataSize(reason=msg)
if len(v) > 255:
msg = _("Metadata property key %s value greater than "
"255 characters.") % k
raise exception.InvalidVolumeMetadataSize(reason=msg)
def req(self,
object_type='volumes',
request_typ='GET',
data=None,
name=None,
idx=None):
if name and idx:
LOG.error(_("req can't handle both name and index"))
raise ValueError("can't handle both name and idx")
url = '%s/%s' % (self.base_url, object_type)
key = None
if name:
url = '%s?%s' % (url, urllib.urlencode({'name': name}))
key = name
elif idx:
url = '%s/%d' % (url, idx)
key = str(idx)
if data and request_typ == 'GET':
url + '?' + urllib.urlencode(data)
request = urllib2.Request(url)
elif data:
LOG.debug('data: %s', json.dumps(data))
request = urllib2.Request(url, json.dumps(data))
else:
request = urllib2.Request(url)
LOG.debug('quering url: %s', url)
request.get_method = lambda: request_typ
request.add_header("Authorization", "Basic %s" % (self.base64_auth, ))
try:
response = urllib2.urlopen(request)
except (urllib2.HTTPError, ) as exc:
if exc.code == 400 and hasattr(exc, 'read'):
error = json.load(exc)
if error['message'].endswith('obj_not_found'):
LOG.warning(_("object %(key)s of type %(typ)s not found"),
{
'key': key,
'typ': object_type
})
raise exception.NotFound()
elif error['message'] == 'vol_obj_name_not_unique':
LOG.error(_("can't create 2 volumes with the same name"))
raise (exception.InvalidVolumeMetadata(
'Volume by this name already exists'))
LOG.error(_('Bad response from XMS\n%s'), exc.read())
raise
if response.code >= 300:
LOG.error(_('bad API response, %s'), response.msg)
raise exception.VolumeBackendAPIException(
data='bad response from XMS got http code %d, %s' %
(response.code, response.msg))
str_result = response.read()
if str_result:
try:
return json.loads(str_result)
except Exception:
LOG.exception(
_('quering %(typ)s, %(req)s failed to '
'parse result, return value = %(res)s'), {
'typ': object_type,
'req': request_typ,
'res': str_result
})
