deb-heat/heat/common/exception.py
Jason Dunsmore 2684f2bb4c Add resource for Rackspace Cloud Servers.
Blueprint rackspace-cloud-servers-provider

Change-Id: Ie6659e0e8b519180ce5973cc798c914b56a95426
2013-07-22 11:00:51 -05:00

277 lines
8.9 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
#
# 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.
"""Heat exception subclasses"""
import functools
import urlparse
import sys
from heat.openstack.common.gettextutils import _
from heat.openstack.common import exception
OpenstackException = exception.OpenstackException
NotFound = exception.NotFound
Error = exception.Error
InvalidContentType = exception.InvalidContentType
class RedirectException(Exception):
def __init__(self, url):
self.url = urlparse.urlparse(url)
class KeystoneError(Exception):
def __init__(self, code, message):
self.code = code
self.message = message
def __str__(self):
return "Code: %s, message: %s" % (self.code, self.message)
def wrap_exception(notifier=None, publisher_id=None, event_type=None,
level=None):
"""This decorator wraps a method to catch any exceptions that may
get thrown. It logs the exception as well as optionally sending
it to the notification system.
"""
# TODO(sandy): Find a way to import nova.notifier.api so we don't have
# to pass it in as a parameter. Otherwise we get a cyclic import of
# nova.notifier.api -> nova.utils -> nova.exception :(
# TODO(johannes): Also, it would be nice to use
# utils.save_and_reraise_exception() without an import loop
def inner(f):
def wrapped(*args, **kw):
try:
return f(*args, **kw)
except Exception as e:
# Save exception since it can be clobbered during processing
# below before we can re-raise
exc_info = sys.exc_info()
if notifier:
payload = dict(args=args, exception=e)
payload.update(kw)
# Use a temp vars so we don't shadow
# our outer definitions.
temp_level = level
if not temp_level:
temp_level = notifier.ERROR
temp_type = event_type
if not temp_type:
# If f has multiple decorators, they must use
# functools.wraps to ensure the name is
# propagated.
temp_type = f.__name__
notifier.notify(publisher_id, temp_type, temp_level,
payload)
# re-raise original exception since it may have been clobbered
raise exc_info[0], exc_info[1], exc_info[2]
return functools.wraps(f)(wrapped)
return inner
class MissingCredentialError(OpenstackException):
message = _("Missing required credential: %(required)s")
class BadAuthStrategy(OpenstackException):
message = _("Incorrect auth strategy, expected \"%(expected)s\" but "
"received \"%(received)s\"")
class AuthBadRequest(OpenstackException):
message = _("Connect error/bad request to Auth service at URL %(url)s.")
class AuthUrlNotFound(OpenstackException):
message = _("Auth service at URL %(url)s not found.")
class AuthorizationFailure(OpenstackException):
message = _("Authorization failed.")
class NotAuthenticated(OpenstackException):
message = _("You are not authenticated.")
class Forbidden(OpenstackException):
message = _("You are not authorized to complete this action.")
#NOTE(bcwaldon): here for backwards-compatability, need to deprecate.
class NotAuthorized(Forbidden):
message = _("You are not authorized to complete this action.")
class Invalid(OpenstackException):
message = _("Data supplied was not valid: %(reason)s")
class AuthorizationRedirect(OpenstackException):
message = _("Redirecting to %(uri)s for authorization.")
class ClientConfigurationError(OpenstackException):
message = _("There was an error configuring the client.")
class MultipleChoices(OpenstackException):
message = _("The request returned a 302 Multiple Choices. This generally "
"means that you have not included a version indicator in a "
"request URI.\n\nThe body of response returned:\n%(body)s")
class LimitExceeded(OpenstackException):
message = _("The request returned a 413 Request Entity Too Large. This "
"generally means that rate limiting or a quota threshold was "
"breached.\n\nThe response body:\n%(body)s")
def __init__(self, *args, **kwargs):
self.retry_after = (int(kwargs['retry']) if kwargs.get('retry')
else None)
super(LimitExceeded, self).__init__(*args, **kwargs)
class ServiceUnavailable(OpenstackException):
message = _("The request returned a 503 ServiceUnavilable. This "
"generally occurs on service overload or other transient "
"outage.")
def __init__(self, *args, **kwargs):
self.retry_after = (int(kwargs['retry']) if kwargs.get('retry')
else None)
super(ServiceUnavailable, self).__init__(*args, **kwargs)
class RequestUriTooLong(OpenstackException):
message = _("The URI was too long.")
class ServerError(OpenstackException):
message = _("The request returned 500 Internal Server Error"
"\n\nThe response body:\n%(body)s")
class MaxRedirectsExceeded(OpenstackException):
message = _("Maximum redirects (%(redirects)s) was exceeded.")
class InvalidRedirect(OpenstackException):
message = _("Received invalid HTTP redirect.")
class NoServiceEndpoint(OpenstackException):
message = _("Response from Keystone does not contain a Heat endpoint.")
class RegionAmbiguity(OpenstackException):
message = _("Multiple 'image' service matches for region %(region)s. This "
"generally means that a region is required and you have not "
"supplied one.")
class UserParameterMissing(OpenstackException):
message = _("The Parameter (%(key)s) was not provided.")
class UnknownUserParameter(OpenstackException):
message = _("The Parameter (%(key)s) was not defined in template.")
class InvalidTemplateAttribute(OpenstackException):
message = _("The Referenced Attribute (%(resource)s %(key)s)"
" is incorrect.")
class InvalidTemplateReference(OpenstackException):
message = _("The specified reference (%(resource)s %(key)s)"
" is incorrect.")
class UserKeyPairMissing(OpenstackException):
message = _("The Key (%(key_name)s) could not be found.")
class FlavorMissing(OpenstackException):
message = _("The Flavor ID (%(flavor_id)s) could not be found.")
class ImageNotFound(OpenstackException):
message = _("The Image (%(image_name)s) could not be found.")
class NoUniqueImageFound(OpenstackException):
message = _("Multiple images were found with name (%(image_name)s).")
class InvalidTenant(OpenstackException):
message = _("Searching Tenant %(target)s "
"from Tenant %(actual)s forbidden.")
class StackNotFound(OpenstackException):
message = _("The Stack (%(stack_name)s) could not be found.")
class StackExists(OpenstackException):
message = _("The Stack (%(stack_name)s) already exists.")
class StackValidationFailed(OpenstackException):
message = _("%(message)s")
class ResourceNotFound(OpenstackException):
message = _("The Resource (%(resource_name)s) could not be found "
"in Stack %(stack_name)s.")
class ResourceNotAvailable(OpenstackException):
message = _("The Resource (%(resource_name)s) is not available.")
class PhysicalResourceNotFound(OpenstackException):
message = _("The Resource (%(resource_id)s) could not be found.")
class WatchRuleNotFound(OpenstackException):
message = _("The Watch Rule (%(watch_name)s) could not be found.")
class ResourceFailure(OpenstackException):
message = _("%(exc_type)s: %(message)s")
def __init__(self, exception):
if isinstance(exception, ResourceFailure):
exception = getattr(exception, 'exc', exception)
self.exc = exception
exc_type = type(exception).__name__
super(ResourceFailure, self).__init__(exc_type=exc_type,
message=str(exception))
class NotSupported(OpenstackException):
message = _("%(feature)s is not supported.")