shade/shade/exc.py

103 lines
3.2 KiB
Python

# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
#
# 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 sys
import munch
from requests import exceptions as _rex
from shade import _log
class OpenStackCloudException(Exception):
log_inner_exceptions = False
def __init__(self, message, extra_data=None, **kwargs):
args = [message]
if extra_data:
if isinstance(extra_data, munch.Munch):
extra_data = extra_data.toDict()
args.append("Extra: {0}".format(str(extra_data)))
super(OpenStackCloudException, self).__init__(*args, **kwargs)
self.extra_data = extra_data
self.inner_exception = sys.exc_info()
self.orig_message = message
def log_error(self, logger=None):
if not logger:
logger = _log.setup_logging(__name__)
if self.inner_exception and self.inner_exception[1]:
logger.error(self.orig_message, exc_info=self.inner_exception)
def __str__(self):
message = Exception.__str__(self)
if (self.inner_exception and self.inner_exception[1]
and not self.orig_message.endswith(
str(self.inner_exception[1]))):
message = "%s (Inner Exception: %s)" % (
message,
str(self.inner_exception[1]))
if self.log_inner_exceptions:
self.log_error()
return message
class OpenStackCloudTimeout(OpenStackCloudException):
pass
class OpenStackCloudUnavailableExtension(OpenStackCloudException):
pass
class OpenStackCloudUnavailableFeature(OpenStackCloudException):
pass
class OpenStackCloudHTTPError(OpenStackCloudException, _rex.HTTPError):
def __init__(self, *args, **kwargs):
OpenStackCloudException.__init__(self, *args, **kwargs)
_rex.HTTPError.__init__(self, *args, **kwargs)
class OpenStackCloudURINotFound(OpenStackCloudHTTPError):
pass
# Backwards compat
OpenStackCloudResourceNotFound = OpenStackCloudURINotFound
# Logic shamelessly stolen from requests
def raise_from_response(response):
msg = ''
if 400 <= response.status_code < 500:
msg = '({code}) Client Error: {reason} for url: {url}'.format(
code=response.status_code,
reason=response.reason,
url=response.url)
elif 500 <= response.status_code < 600:
msg = '({code}) Server Error: {reason} for url: {url}'.format(
code=response.status_code,
reason=response.reason,
url=response.url)
# Special case 404 since we raised a specific one for neutron exceptions
# before
if response.status_code == 404:
raise OpenStackCloudURINotFound(msg, response=response)
if msg:
raise OpenStackCloudHTTPError(msg, response=response)