d4e9bdfc4b
Change exception.VolumeIsBusy to derive from NovaException instead of Error, so that an 'unexpected keyword' exception is not thrown when the exception is raised with keyword parameters. Add unit test to confirm that the 'unexpected keyword' exception is not thrown when the exception is raised by nova.volume.driver.VolumeDriver Responded to reviewer observations, fix pep8 errors in tset_volume.py, added email address to Authors file. Change-Id: I15464cb0cf72a2c71f430e4c8c5c2b27cd4e2ef9
879 lines
24 KiB
Python
879 lines
24 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Nova base exception handling.
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Includes decorator for re-raising Nova-type exceptions.
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SHOULD include dedicated exception logging.
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"""
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from functools import wraps
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import sys
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from novaclient import exceptions as novaclient_exceptions
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from nova import log as logging
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LOG = logging.getLogger('nova.exception')
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def novaclient_converter(f):
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"""Convert novaclient ClientException HTTP codes to webob exceptions.
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Has to be the outer-most decorator.
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"""
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def new_f(*args, **kwargs):
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try:
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ret = f(*args, **kwargs)
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return ret
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except novaclient_exceptions.ClientException, e:
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raise ConvertedException(e.code, e.message, e.details)
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return new_f
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class ProcessExecutionError(IOError):
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def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None,
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description=None):
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if description is None:
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description = _('Unexpected error while running command.')
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if exit_code is None:
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exit_code = '-'
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message = _('%(description)s\nCommand: %(cmd)s\n'
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'Exit code: %(exit_code)s\nStdout: %(stdout)r\n'
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'Stderr: %(stderr)r') % locals()
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IOError.__init__(self, message)
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class Error(Exception):
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def __init__(self, message=None):
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super(Error, self).__init__(message)
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class ApiError(Error):
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def __init__(self, message='Unknown', code=None):
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self.msg = message
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self.code = code
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if code:
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outstr = '%s: %s' % (code, message)
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else:
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outstr = '%s' % message
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super(ApiError, self).__init__(outstr)
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class RebuildRequiresActiveInstance(Error):
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pass
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class DBError(Error):
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"""Wraps an implementation specific exception."""
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def __init__(self, inner_exception=None):
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self.inner_exception = inner_exception
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super(DBError, self).__init__(str(inner_exception))
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def wrap_db_error(f):
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def _wrap(*args, **kwargs):
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try:
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return f(*args, **kwargs)
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except Exception, e:
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LOG.exception(_('DB exception wrapped.'))
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raise DBError(e)
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_wrap.func_name = f.func_name
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return _wrap
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def wrap_exception(notifier=None, publisher_id=None, event_type=None,
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level=None):
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"""This decorator wraps a method to catch any exceptions that may
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get thrown. It logs the exception as well as optionally sending
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it to the notification system.
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"""
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# TODO(sandy): Find a way to import nova.notifier.api so we don't have
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# to pass it in as a parameter. Otherwise we get a cyclic import of
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# nova.notifier.api -> nova.utils -> nova.exception :(
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# TODO(johannes): Also, it would be nice to use
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# utils.save_and_reraise_exception() without an import loop
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def inner(f):
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def wrapped(*args, **kw):
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try:
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return f(*args, **kw)
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except Exception, e:
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# Save exception since it can be clobbered during processing
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# below before we can re-raise
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exc_info = sys.exc_info()
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if notifier:
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payload = dict(args=args, exception=e)
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payload.update(kw)
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# Use a temp vars so we don't shadow
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# our outer definitions.
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temp_level = level
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if not temp_level:
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temp_level = notifier.ERROR
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temp_type = event_type
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if not temp_type:
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# If f has multiple decorators, they must use
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# functools.wraps to ensure the name is
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# propagated.
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temp_type = f.__name__
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notifier.notify(publisher_id, temp_type, temp_level,
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payload)
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# re-raise original exception since it may have been clobbered
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raise exc_info[0], exc_info[1], exc_info[2]
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return wraps(f)(wrapped)
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return inner
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class NovaException(Exception):
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"""Base Nova Exception
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = _("An unknown exception occurred.")
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if not message:
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try:
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message = self.message % kwargs
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except Exception as e:
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# at least get the core message out if something happened
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message = self.message
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super(NovaException, self).__init__(message)
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class ImagePaginationFailed(NovaException):
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message = _("Failed to paginate through images from image service")
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class VirtualInterfaceCreateException(NovaException):
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message = _("Virtual Interface creation failed")
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class VirtualInterfaceMacAddressException(NovaException):
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message = _("5 attempts to create virtual interface"
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"with unique mac address failed")
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class NotAuthorized(NovaException):
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message = _("Not authorized.")
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def __init__(self, *args, **kwargs):
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super(NotAuthorized, self).__init__(*args, **kwargs)
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class AdminRequired(NotAuthorized):
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message = _("User does not have admin privileges")
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class InstanceBusy(NovaException):
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message = _("Instance %(instance_id)s is busy. (%(task_state)s)")
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class InstanceSnapshotting(InstanceBusy):
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message = _("Instance %(instance_uuid)s is currently snapshotting.")
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class InstanceBackingUp(InstanceBusy):
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message = _("Instance %(instance_uuid)s is currently being backed up.")
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class Invalid(NovaException):
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message = _("Unacceptable parameters.")
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class InvalidRequest(Invalid):
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message = _("The request is invalid.")
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class InvalidSignature(Invalid):
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message = _("Invalid signature %(signature)s for user %(user)s.")
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class InvalidInput(Invalid):
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message = _("Invalid input received") + ": %(reason)s"
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class InvalidInstanceType(Invalid):
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message = _("Invalid instance type %(instance_type)s.")
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class InvalidVolumeType(Invalid):
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message = _("Invalid volume type %(volume_type)s.")
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class InvalidPortRange(Invalid):
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message = _("Invalid port range %(from_port)s:%(to_port)s. %(msg)s")
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class InvalidIpProtocol(Invalid):
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message = _("Invalid IP protocol %(protocol)s.")
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class InvalidContentType(Invalid):
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message = _("Invalid content type %(content_type)s.")
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class InvalidCidr(Invalid):
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message = _("Invalid cidr %(cidr)s.")
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# Cannot be templated as the error syntax varies.
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# msg needs to be constructed when raised.
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class InvalidParameterValue(Invalid):
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message = _("%(err)s")
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class InstanceNotRunning(Invalid):
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message = _("Instance %(instance_id)s is not running.")
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class InstanceNotSuspended(Invalid):
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message = _("Instance %(instance_id)s is not suspended.")
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class InstanceNotInRescueMode(Invalid):
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message = _("Instance %(instance_id)s is not in rescue mode")
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class InstanceSuspendFailure(Invalid):
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message = _("Failed to suspend instance") + ": %(reason)s"
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class InstanceResumeFailure(Invalid):
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message = _("Failed to resume server") + ": %(reason)s."
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class InstanceRebootFailure(Invalid):
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message = _("Failed to reboot instance") + ": %(reason)s"
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class ServiceUnavailable(Invalid):
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message = _("Service is unavailable at this time.")
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class VolumeServiceUnavailable(ServiceUnavailable):
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message = _("Volume service is unavailable at this time.")
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class ComputeServiceUnavailable(ServiceUnavailable):
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message = _("Compute service is unavailable at this time.")
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class UnableToMigrateToSelf(Invalid):
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message = _("Unable to migrate instance (%(instance_id)s) "
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"to current host (%(host)s).")
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class SourceHostUnavailable(Invalid):
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message = _("Original compute host is unavailable at this time.")
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class InvalidHypervisorType(Invalid):
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message = _("The supplied hypervisor type of is invalid.")
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class DestinationHypervisorTooOld(Invalid):
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message = _("The instance requires a newer hypervisor version than "
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"has been provided.")
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class DestinationDiskExists(Invalid):
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message = _("The supplied disk path (%(path)s) already exists, "
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"it is expected not to exist.")
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class InvalidDevicePath(Invalid):
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message = _("The supplied device path (%(path)s) is invalid.")
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class InvalidCPUInfo(Invalid):
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message = _("Unacceptable CPU info") + ": %(reason)s"
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class InvalidVLANTag(Invalid):
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message = _("VLAN tag is not appropriate for the port group "
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"%(bridge)s. Expected VLAN tag is %(tag)s, "
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"but the one associated with the port group is %(pgroup)s.")
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class InvalidVLANPortGroup(Invalid):
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message = _("vSwitch which contains the port group %(bridge)s is "
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"not associated with the desired physical adapter. "
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"Expected vSwitch is %(expected)s, but the one associated "
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"is %(actual)s.")
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class InvalidDiskFormat(Invalid):
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message = _("Disk format %(disk_format)s is not acceptable")
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class ImageUnacceptable(Invalid):
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message = _("Image %(image_id)s is unacceptable") + ": %(reason)s"
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class InstanceUnacceptable(Invalid):
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message = _("Instance %(instance_id)s is unacceptable") + ": %(reason)s"
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class InvalidEc2Id(Invalid):
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message = _("Ec2 id %(ec2_id)s is unacceptable.")
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class NotFound(NovaException):
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message = _("Resource could not be found.")
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def __init__(self, *args, **kwargs):
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super(NotFound, self).__init__(*args, **kwargs)
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class FlagNotSet(NotFound):
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message = _("Required flag %(flag)s not set.")
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class InstanceNotFound(NotFound):
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message = _("Instance %(instance_id)s could not be found.")
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class VolumeNotFound(NotFound):
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message = _("Volume %(volume_id)s could not be found.")
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class VolumeNotFoundForInstance(VolumeNotFound):
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message = _("Volume not found for instance %(instance_id)s.")
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class VolumeMetadataNotFound(NotFound):
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message = _("Volume %(volume_id)s has no metadata with "
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"key %(metadata_key)s.")
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class NoVolumeTypesFound(NotFound):
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message = _("Zero volume types found.")
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class VolumeTypeNotFound(NotFound):
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message = _("Volume type %(volume_type_id)s could not be found.")
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class VolumeTypeNotFoundByName(VolumeTypeNotFound):
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message = _("Volume type with name %(volume_type_name)s "
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"could not be found.")
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class VolumeTypeExtraSpecsNotFound(NotFound):
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message = _("Volume Type %(volume_type_id)s has no extra specs with "
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"key %(extra_specs_key)s.")
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class SnapshotNotFound(NotFound):
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message = _("Snapshot %(snapshot_id)s could not be found.")
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class VolumeIsBusy(NovaException):
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message = _("deleting volume %(volume_name)s that has snapshot")
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class ISCSITargetNotFoundForVolume(NotFound):
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message = _("No target id found for volume %(volume_id)s.")
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class DiskNotFound(NotFound):
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message = _("No disk at %(location)s")
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class VolumeDriverNotFound(NotFound):
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message = _("Could not find a handler for %(driver_type)s volume.")
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class InvalidImageRef(Invalid):
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message = _("Invalid image href %(image_href)s.")
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class ListingImageRefsNotSupported(Invalid):
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message = _("Some images have been stored via hrefs."
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+ " This version of the api does not support displaying image hrefs.")
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class ImageNotFound(NotFound):
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message = _("Image %(image_id)s could not be found.")
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class KernelNotFoundForImage(ImageNotFound):
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message = _("Kernel not found for image %(image_id)s.")
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class UserNotFound(NotFound):
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message = _("User %(user_id)s could not be found.")
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class ProjectNotFound(NotFound):
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message = _("Project %(project_id)s could not be found.")
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class ProjectMembershipNotFound(NotFound):
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message = _("User %(user_id)s is not a member of project %(project_id)s.")
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class UserRoleNotFound(NotFound):
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message = _("Role %(role_id)s could not be found.")
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class StorageRepositoryNotFound(NotFound):
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message = _("Cannot find SR to read/write VDI.")
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class NetworkNotCreated(NovaException):
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message = _("%(req)s is required to create a network.")
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class NetworkNotFound(NotFound):
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message = _("Network %(network_id)s could not be found.")
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class NetworkNotFoundForBridge(NetworkNotFound):
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message = _("Network could not be found for bridge %(bridge)s")
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class NetworkNotFoundForUUID(NetworkNotFound):
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message = _("Network could not be found for uuid %(uuid)s")
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class NetworkNotFoundForCidr(NetworkNotFound):
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message = _("Network could not be found with cidr %(cidr)s.")
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class NetworkNotFoundForInstance(NetworkNotFound):
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message = _("Network could not be found for instance %(instance_id)s.")
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class NoNetworksFound(NotFound):
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message = _("No networks defined.")
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class NetworkNotFoundForProject(NotFound):
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message = _("Either Network uuid %(network_uuid)s is not present or "
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"is not assigned to the project %(project_id)s.")
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class NetworkHostNotSet(NovaException):
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message = _("Host is not set to the network (%(network_id)s).")
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class DatastoreNotFound(NotFound):
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message = _("Could not find the datastore reference(s) which the VM uses.")
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class FixedIpNotFound(NotFound):
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message = _("No fixed IP associated with id %(id)s.")
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class FixedIpNotFoundForAddress(FixedIpNotFound):
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message = _("Fixed ip not found for address %(address)s.")
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class FixedIpNotFoundForInstance(FixedIpNotFound):
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message = _("Instance %(instance_id)s has zero fixed ips.")
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class FixedIpNotFoundForNetworkHost(FixedIpNotFound):
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message = _("Network host %(host)s has zero fixed ips "
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"in network %(network_id)s.")
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class FixedIpNotFoundForSpecificInstance(FixedIpNotFound):
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message = _("Instance %(instance_id)s doesn't have fixed ip '%(ip)s'.")
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class FixedIpNotFoundForVirtualInterface(FixedIpNotFound):
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message = _("Virtual interface %(vif_id)s has zero associated fixed ips.")
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class FixedIpNotFoundForHost(FixedIpNotFound):
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message = _("Host %(host)s has zero fixed ips.")
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class FixedIpNotFoundForNetwork(FixedIpNotFound):
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message = _("Fixed IP address (%(address)s) does not exist in "
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"network (%(network_uuid)s).")
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class FixedIpAlreadyInUse(NovaException):
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message = _("Fixed IP address %(address)s is already in use.")
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class FixedIpInvalid(Invalid):
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message = _("Fixed IP address %(address)s is invalid.")
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class NoMoreFixedIps(NovaException):
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message = _("Zero fixed ips available.")
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class NoFixedIpsDefined(NotFound):
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message = _("Zero fixed ips could be found.")
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class FloatingIpNotFound(NotFound):
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message = _("Floating ip not found for id %(id)s.")
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class FloatingIpNotFoundForAddress(FloatingIpNotFound):
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message = _("Floating ip not found for address %(address)s.")
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class FloatingIpNotFoundForProject(FloatingIpNotFound):
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message = _("Floating ip not found for project %(project_id)s.")
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class FloatingIpNotFoundForHost(FloatingIpNotFound):
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message = _("Floating ip not found for host %(host)s.")
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class NoMoreFloatingIps(FloatingIpNotFound):
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message = _("Zero floating ips available.")
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class FloatingIpAssociated(NovaException):
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message = _("Floating ip %(address)s is associated.")
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class FloatingIpNotAssociated(NovaException):
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message = _("Floating ip %(address)s is not associated.")
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class NoFloatingIpsDefined(NotFound):
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message = _("Zero floating ips exist.")
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class KeypairNotFound(NotFound):
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message = _("Keypair %(name)s not found for user %(user_id)s")
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class CertificateNotFound(NotFound):
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message = _("Certificate %(certificate_id)s not found.")
|
|
|
|
|
|
class ServiceNotFound(NotFound):
|
|
message = _("Service %(service_id)s could not be found.")
|
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|
|
|
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class HostNotFound(NotFound):
|
|
message = _("Host %(host)s could not be found.")
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|
|
class ComputeHostNotFound(HostNotFound):
|
|
message = _("Compute host %(host)s could not be found.")
|
|
|
|
|
|
class HostBinaryNotFound(NotFound):
|
|
message = _("Could not find binary %(binary)s on host %(host)s.")
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|
|
class AuthTokenNotFound(NotFound):
|
|
message = _("Auth token %(token)s could not be found.")
|
|
|
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|
|
class AccessKeyNotFound(NotFound):
|
|
message = _("Access Key %(access_key)s could not be found.")
|
|
|
|
|
|
class QuotaNotFound(NotFound):
|
|
message = _("Quota could not be found")
|
|
|
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|
|
class ProjectQuotaNotFound(QuotaNotFound):
|
|
message = _("Quota for project %(project_id)s could not be found.")
|
|
|
|
|
|
class SecurityGroupNotFound(NotFound):
|
|
message = _("Security group %(security_group_id)s not found.")
|
|
|
|
|
|
class SecurityGroupNotFoundForProject(SecurityGroupNotFound):
|
|
message = _("Security group %(security_group_id)s not found "
|
|
"for project %(project_id)s.")
|
|
|
|
|
|
class SecurityGroupNotFoundForRule(SecurityGroupNotFound):
|
|
message = _("Security group with rule %(rule_id)s not found.")
|
|
|
|
|
|
class SecurityGroupExistsForInstance(Invalid):
|
|
message = _("Security group %(security_group_id)s is already associated"
|
|
" with the instance %(instance_id)s")
|
|
|
|
|
|
class SecurityGroupNotExistsForInstance(Invalid):
|
|
message = _("Security group %(security_group_id)s is not associated with"
|
|
" the instance %(instance_id)s")
|
|
|
|
|
|
class MigrationNotFound(NotFound):
|
|
message = _("Migration %(migration_id)s could not be found.")
|
|
|
|
|
|
class MigrationNotFoundByStatus(MigrationNotFound):
|
|
message = _("Migration not found for instance %(instance_id)s "
|
|
"with status %(status)s.")
|
|
|
|
|
|
class ConsolePoolNotFound(NotFound):
|
|
message = _("Console pool %(pool_id)s could not be found.")
|
|
|
|
|
|
class ConsolePoolNotFoundForHostType(NotFound):
|
|
message = _("Console pool of type %(console_type)s "
|
|
"for compute host %(compute_host)s "
|
|
"on proxy host %(host)s not found.")
|
|
|
|
|
|
class ConsoleNotFound(NotFound):
|
|
message = _("Console %(console_id)s could not be found.")
|
|
|
|
|
|
class ConsoleNotFoundForInstance(ConsoleNotFound):
|
|
message = _("Console for instance %(instance_id)s could not be found.")
|
|
|
|
|
|
class ConsoleNotFoundInPoolForInstance(ConsoleNotFound):
|
|
message = _("Console for instance %(instance_id)s "
|
|
"in pool %(pool_id)s could not be found.")
|
|
|
|
|
|
class NoInstanceTypesFound(NotFound):
|
|
message = _("Zero instance types found.")
|
|
|
|
|
|
class InstanceTypeNotFound(NotFound):
|
|
message = _("Instance type %(instance_type_id)s could not be found.")
|
|
|
|
|
|
class InstanceTypeNotFoundByName(InstanceTypeNotFound):
|
|
message = _("Instance type with name %(instance_type_name)s "
|
|
"could not be found.")
|
|
|
|
|
|
class FlavorNotFound(NotFound):
|
|
message = _("Flavor %(flavor_id)s could not be found.")
|
|
|
|
|
|
class ZoneNotFound(NotFound):
|
|
message = _("Zone %(zone_id)s could not be found.")
|
|
|
|
|
|
class SchedulerHostFilterNotFound(NotFound):
|
|
message = _("Scheduler Host Filter %(filter_name)s could not be found.")
|
|
|
|
|
|
class SchedulerCostFunctionNotFound(NotFound):
|
|
message = _("Scheduler cost function %(cost_fn_str)s could"
|
|
" not be found.")
|
|
|
|
|
|
class SchedulerWeightFlagNotFound(NotFound):
|
|
message = _("Scheduler weight flag not found: %(flag_name)s")
|
|
|
|
|
|
class InstanceMetadataNotFound(NotFound):
|
|
message = _("Instance %(instance_id)s has no metadata with "
|
|
"key %(metadata_key)s.")
|
|
|
|
|
|
class InstanceTypeExtraSpecsNotFound(NotFound):
|
|
message = _("Instance Type %(instance_type_id)s has no extra specs with "
|
|
"key %(extra_specs_key)s.")
|
|
|
|
|
|
class LDAPObjectNotFound(NotFound):
|
|
message = _("LDAP object could not be found")
|
|
|
|
|
|
class LDAPUserNotFound(LDAPObjectNotFound):
|
|
message = _("LDAP user %(user_id)s could not be found.")
|
|
|
|
|
|
class LDAPGroupNotFound(LDAPObjectNotFound):
|
|
message = _("LDAP group %(group_id)s could not be found.")
|
|
|
|
|
|
class LDAPGroupMembershipNotFound(NotFound):
|
|
message = _("LDAP user %(user_id)s is not a member of group %(group_id)s.")
|
|
|
|
|
|
class FileNotFound(NotFound):
|
|
message = _("File %(file_path)s could not be found.")
|
|
|
|
|
|
class NoFilesFound(NotFound):
|
|
message = _("Zero files could be found.")
|
|
|
|
|
|
class SwitchNotFoundForNetworkAdapter(NotFound):
|
|
message = _("Virtual switch associated with the "
|
|
"network adapter %(adapter)s not found.")
|
|
|
|
|
|
class NetworkAdapterNotFound(NotFound):
|
|
message = _("Network adapter %(adapter)s could not be found.")
|
|
|
|
|
|
class ClassNotFound(NotFound):
|
|
message = _("Class %(class_name)s could not be found: %(exception)s")
|
|
|
|
|
|
class NotAllowed(NovaException):
|
|
message = _("Action not allowed.")
|
|
|
|
|
|
class GlobalRoleNotAllowed(NotAllowed):
|
|
message = _("Unable to use global role %(role_id)s")
|
|
|
|
|
|
class ImageRotationNotAllowed(NovaException):
|
|
message = _("Rotation is not allowed for snapshots")
|
|
|
|
|
|
class RotationRequiredForBackup(NovaException):
|
|
message = _("Rotation param is required for backup image_type")
|
|
|
|
|
|
#TODO(bcwaldon): EOL this exception!
|
|
class Duplicate(NovaException):
|
|
pass
|
|
|
|
|
|
class KeyPairExists(Duplicate):
|
|
message = _("Key pair %(key_name)s already exists.")
|
|
|
|
|
|
class UserExists(Duplicate):
|
|
message = _("User %(user)s already exists.")
|
|
|
|
|
|
class LDAPUserExists(UserExists):
|
|
message = _("LDAP user %(user)s already exists.")
|
|
|
|
|
|
class LDAPGroupExists(Duplicate):
|
|
message = _("LDAP group %(group)s already exists.")
|
|
|
|
|
|
class LDAPMembershipExists(Duplicate):
|
|
message = _("User %(uid)s is already a member of "
|
|
"the group %(group_dn)s")
|
|
|
|
|
|
class ProjectExists(Duplicate):
|
|
message = _("Project %(project)s already exists.")
|
|
|
|
|
|
class InstanceExists(Duplicate):
|
|
message = _("Instance %(name)s already exists.")
|
|
|
|
|
|
class InvalidSharedStorage(NovaException):
|
|
message = _("%(path)s is on shared storage: %(reason)s")
|
|
|
|
|
|
class MigrationError(NovaException):
|
|
message = _("Migration error") + ": %(reason)s"
|
|
|
|
|
|
class MalformedRequestBody(NovaException):
|
|
message = _("Malformed message body: %(reason)s")
|
|
|
|
|
|
class PasteConfigNotFound(NotFound):
|
|
message = _("Could not find paste config at %(path)s")
|
|
|
|
|
|
class PasteAppNotFound(NotFound):
|
|
message = _("Could not load paste app '%(name)s' from %(path)s")
|
|
|
|
|
|
class VSANovaAccessParamNotFound(Invalid):
|
|
message = _("Nova access parameters were not specified.")
|
|
|
|
|
|
class VirtualStorageArrayNotFound(NotFound):
|
|
message = _("Virtual Storage Array %(id)d could not be found.")
|
|
|
|
|
|
class VirtualStorageArrayNotFoundByName(NotFound):
|
|
message = _("Virtual Storage Array %(name)s could not be found.")
|
|
|
|
|
|
class CannotResizeToSameSize(NovaException):
|
|
message = _("When resizing, instances must change size!")
|
|
|
|
|
|
class CannotResizeToSmallerSize(NovaException):
|
|
message = _("Resizing to a smaller size is not supported.")
|
|
|
|
|
|
class ImageTooLarge(NovaException):
|
|
message = _("Image is larger than instance type allows")
|
|
|
|
|
|
class ZoneRequestError(Error):
|
|
def __init__(self, message=None):
|
|
if message is None:
|
|
message = _("1 or more Zones could not complete the request")
|
|
super(ZoneRequestError, self).__init__(message=message)
|
|
|
|
|
|
class InstanceTypeMemoryTooSmall(NovaException):
|
|
message = _("Instance type's memory is too small for requested image.")
|
|
|
|
|
|
class InstanceTypeDiskTooSmall(NovaException):
|
|
message = _("Instance type's disk is too small for requested image.")
|
|
|
|
|
|
class InsufficientFreeMemory(NovaException):
|
|
message = _("Insufficient free memory on compute node to start %(uuid)s.")
|
|
|
|
|
|
class CouldNotFetchMetrics(NovaException):
|
|
message = _("Could not fetch bandwidth/cpu/disk metrics for this host.")
|
|
|
|
|
|
class NoValidHost(NovaException):
|
|
message = _("No valid host was found. %(reason)s")
|
|
|
|
|
|
class WillNotSchedule(NovaException):
|
|
message = _("Host %(host)s is not up or doesn't exist.")
|
|
|
|
|
|
class QuotaError(ApiError):
|
|
"""Quota Exceeded."""
|
|
pass
|