679 lines
20 KiB
Python
679 lines
20 KiB
Python
# 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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"""Ironic base exception handling.
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SHOULD include dedicated exception logging.
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"""
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import collections
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from oslo_log import log as logging
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from oslo_serialization import jsonutils
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import six
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from six.moves import http_client
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from ironic.common.i18n import _, _LE
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from ironic.conf import CONF
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LOG = logging.getLogger(__name__)
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def _ensure_exception_kwargs_serializable(exc_class_name, kwargs):
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"""Ensure that kwargs are serializable
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Ensure that all kwargs passed to exception constructor can be passed over
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RPC, by trying to convert them to JSON, or, as a last resort, to string.
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If it is not possible, unserializable kwargs will be removed, letting the
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receiver to handle the exception string as it is configured to.
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:param exc_class_name: an IronicException class name.
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:param kwargs: a dictionary of keyword arguments passed to the exception
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constructor.
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:returns: a dictionary of serializable keyword arguments.
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"""
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serializers = [(jsonutils.dumps, _('when converting to JSON')),
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(six.text_type, _('when converting to string'))]
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exceptions = collections.defaultdict(list)
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serializable_kwargs = {}
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for k, v in kwargs.items():
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for serializer, msg in serializers:
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try:
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serializable_kwargs[k] = serializer(v)
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exceptions.pop(k, None)
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break
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except Exception as e:
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exceptions[k].append(
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'(%(serializer_type)s) %(e_type)s: %(e_contents)s' %
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{'serializer_type': msg, 'e_contents': e,
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'e_type': e.__class__.__name__})
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if exceptions:
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LOG.error(
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_LE("One or more arguments passed to the %(exc_class)s "
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"constructor as kwargs can not be serialized. The serialized "
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"arguments: %(serialized)s. These unserialized kwargs were "
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"dropped because of the exceptions encountered during their "
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"serialization:\n%(errors)s"),
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dict(errors=';\n'.join("%s: %s" % (k, '; '.join(v))
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for k, v in exceptions.items()),
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exc_class=exc_class_name, serialized=serializable_kwargs)
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)
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# We might be able to actually put the following keys' values into
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# format string, but there is no guarantee, drop it just in case.
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for k in exceptions:
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del kwargs[k]
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return serializable_kwargs
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class IronicException(Exception):
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"""Base Ironic Exception
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To correctly use this class, inherit from it and define
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a '_msg_fmt' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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If you need to access the message from an exception you should use
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six.text_type(exc)
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"""
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_msg_fmt = _("An unknown exception occurred.")
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code = http_client.INTERNAL_SERVER_ERROR
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headers = {}
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safe = False
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def __init__(self, message=None, **kwargs):
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self.kwargs = _ensure_exception_kwargs_serializable(
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self.__class__.__name__, kwargs)
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if 'code' not in self.kwargs:
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try:
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self.kwargs['code'] = self.code
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except AttributeError:
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pass
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if not message:
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try:
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message = self._msg_fmt % kwargs
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except Exception as e:
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# kwargs doesn't match a variable in self._msg_fmt
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# log the issue and the kwargs
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prs = ', '.join('%s: %s' % pair for pair in kwargs.items())
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LOG.exception(_LE('Exception in string format operation '
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'(arguments %s)'), prs)
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if CONF.fatal_exception_format_errors:
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raise e
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else:
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# at least get the core self._msg_fmt out if something
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# happened
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message = self._msg_fmt
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super(IronicException, self).__init__(message)
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def __str__(self):
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"""Encode to utf-8 then wsme api can consume it as well."""
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if not six.PY3:
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return six.text_type(self.args[0]).encode('utf-8')
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return self.args[0]
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def __unicode__(self):
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"""Return a unicode representation of the exception message."""
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return six.text_type(self.args[0])
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class NotAuthorized(IronicException):
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_msg_fmt = _("Not authorized.")
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code = http_client.FORBIDDEN
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class OperationNotPermitted(NotAuthorized):
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_msg_fmt = _("Operation not permitted.")
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class Invalid(IronicException):
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_msg_fmt = _("Unacceptable parameters.")
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code = http_client.BAD_REQUEST
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class Conflict(IronicException):
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_msg_fmt = _('Conflict.')
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code = http_client.CONFLICT
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class TemporaryFailure(IronicException):
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_msg_fmt = _("Resource temporarily unavailable, please retry.")
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code = http_client.SERVICE_UNAVAILABLE
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class NotAcceptable(IronicException):
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# TODO(deva): We need to set response headers in the API for this exception
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_msg_fmt = _("Request not acceptable.")
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code = http_client.NOT_ACCEPTABLE
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class InvalidState(Conflict):
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_msg_fmt = _("Invalid resource state.")
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class NodeAlreadyExists(Conflict):
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_msg_fmt = _("A node with UUID %(uuid)s already exists.")
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class MACAlreadyExists(Conflict):
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_msg_fmt = _("A port with MAC address %(mac)s already exists.")
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class ChassisAlreadyExists(Conflict):
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_msg_fmt = _("A chassis with UUID %(uuid)s already exists.")
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class PortAlreadyExists(Conflict):
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_msg_fmt = _("A port with UUID %(uuid)s already exists.")
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class PortgroupAlreadyExists(Conflict):
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_msg_fmt = _("A portgroup with UUID %(uuid)s already exists.")
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class PortgroupDuplicateName(Conflict):
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_msg_fmt = _("A portgroup with name %(name)s already exists.")
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class PortgroupMACAlreadyExists(Conflict):
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_msg_fmt = _("A portgroup with MAC address %(mac)s already exists.")
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class InstanceAssociated(Conflict):
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_msg_fmt = _("Instance %(instance_uuid)s is already associated with a "
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"node, it cannot be associated with this other node %(node)s")
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class DuplicateName(Conflict):
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_msg_fmt = _("A node with name %(name)s already exists.")
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class InvalidUUID(Invalid):
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_msg_fmt = _("Expected a UUID but received %(uuid)s.")
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class InvalidUuidOrName(Invalid):
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_msg_fmt = _("Expected a logical name or UUID but received %(name)s.")
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class InvalidName(Invalid):
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_msg_fmt = _("Expected a logical name but received %(name)s.")
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class InvalidIdentity(Invalid):
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_msg_fmt = _("Expected a UUID or int but received %(identity)s.")
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class InvalidMAC(Invalid):
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_msg_fmt = _("Expected a MAC address but received %(mac)s.")
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class InvalidSwitchID(Invalid):
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_msg_fmt = _("Expected a MAC address or OpenFlow datapath ID but "
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"received %(switch_id)s.")
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class InvalidDatapathID(Invalid):
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_msg_fmt = _("Expected an OpenFlow datapath ID but received "
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"%(datapath_id)s.")
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class InvalidStateRequested(Invalid):
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_msg_fmt = _('The requested action "%(action)s" can not be performed '
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'on node "%(node)s" while it is in state "%(state)s".')
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class PatchError(Invalid):
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_msg_fmt = _("Couldn't apply patch '%(patch)s'. Reason: %(reason)s")
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class InstanceDeployFailure(IronicException):
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_msg_fmt = _("Failed to deploy instance: %(reason)s")
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class ImageUnacceptable(IronicException):
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_msg_fmt = _("Image %(image_id)s is unacceptable: %(reason)s")
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class ImageConvertFailed(IronicException):
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_msg_fmt = _("Image %(image_id)s is unacceptable: %(reason)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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_msg_fmt = _("%(err)s")
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class MissingParameterValue(InvalidParameterValue):
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_msg_fmt = _("%(err)s")
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class Duplicate(IronicException):
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_msg_fmt = _("Resource already exists.")
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class NotFound(IronicException):
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_msg_fmt = _("Resource could not be found.")
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code = http_client.NOT_FOUND
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class DHCPLoadError(IronicException):
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_msg_fmt = _("Failed to load DHCP provider %(dhcp_provider_name)s, "
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"reason: %(reason)s")
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class DriverNotFound(NotFound):
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_msg_fmt = _("Could not find the following driver(s): %(driver_name)s.")
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class DriverNotFoundInEntrypoint(DriverNotFound):
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_msg_fmt = _("Could not find the following driver(s) in the "
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"'%(entrypoint)s' entrypoint: %(driver_name)s.")
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class ImageNotFound(NotFound):
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_msg_fmt = _("Image %(image_id)s could not be found.")
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class NoValidHost(NotFound):
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_msg_fmt = _("No valid host was found. Reason: %(reason)s")
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class InstanceNotFound(NotFound):
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_msg_fmt = _("Instance %(instance)s could not be found.")
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class InputFileError(IronicException):
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_msg_fmt = _("Error with file %(file_name)s. Reason: %(reason)s")
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class NodeNotFound(NotFound):
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_msg_fmt = _("Node %(node)s could not be found.")
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class PortgroupNotFound(NotFound):
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_msg_fmt = _("Portgroup %(portgroup)s could not be found.")
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class PortgroupNotEmpty(Invalid):
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_msg_fmt = _("Cannot complete the requested action because portgroup "
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"%(portgroup)s contains ports.")
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class NodeAssociated(InvalidState):
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_msg_fmt = _("Node %(node)s is associated with instance %(instance)s.")
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class PortNotFound(NotFound):
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_msg_fmt = _("Port %(port)s could not be found.")
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class FailedToUpdateDHCPOptOnPort(IronicException):
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_msg_fmt = _("Update DHCP options on port: %(port_id)s failed.")
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class FailedToCleanDHCPOpts(IronicException):
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_msg_fmt = _("Clean up DHCP options on node: %(node)s failed.")
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class FailedToGetIPAddressOnPort(IronicException):
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_msg_fmt = _("Retrieve IP address on port: %(port_id)s failed.")
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class InvalidIPv4Address(IronicException):
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_msg_fmt = _("Invalid IPv4 address %(ip_address)s.")
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class FailedToUpdateMacOnPort(IronicException):
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_msg_fmt = _("Update MAC address on port: %(port_id)s failed.")
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class ChassisNotFound(NotFound):
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_msg_fmt = _("Chassis %(chassis)s could not be found.")
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class NoDriversLoaded(IronicException):
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_msg_fmt = _("Conductor %(conductor)s cannot be started "
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"because no drivers were loaded.")
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class ConductorNotFound(NotFound):
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_msg_fmt = _("Conductor %(conductor)s could not be found.")
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class ConductorAlreadyRegistered(IronicException):
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_msg_fmt = _("Conductor %(conductor)s already registered.")
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class PowerStateFailure(InvalidState):
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_msg_fmt = _("Failed to set node power state to %(pstate)s.")
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class ExclusiveLockRequired(NotAuthorized):
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_msg_fmt = _("An exclusive lock is required, "
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"but the current context has a shared lock.")
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class NodeMaintenanceFailure(Invalid):
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_msg_fmt = _("Failed to toggle maintenance-mode flag "
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"for node %(node)s: %(reason)s")
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class NodeConsoleNotEnabled(Invalid):
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_msg_fmt = _("Console access is not enabled on node %(node)s")
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class NodeInMaintenance(Invalid):
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_msg_fmt = _("The %(op)s operation can't be performed on node "
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"%(node)s because it's in maintenance mode.")
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class ChassisNotEmpty(Invalid):
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_msg_fmt = _("Cannot complete the requested action because chassis "
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"%(chassis)s contains nodes.")
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class IPMIFailure(IronicException):
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_msg_fmt = _("IPMI call failed: %(cmd)s.")
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class AMTConnectFailure(IronicException):
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_msg_fmt = _("Failed to connect to AMT service. This could be caused "
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"by the wrong amt_address or bad network environment.")
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class AMTFailure(IronicException):
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_msg_fmt = _("AMT call failed: %(cmd)s.")
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class MSFTOCSClientApiException(IronicException):
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_msg_fmt = _("MSFT OCS call failed.")
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class SSHConnectFailed(IronicException):
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_msg_fmt = _("Failed to establish SSH connection to host %(host)s.")
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class SSHCommandFailed(IronicException):
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_msg_fmt = _("Failed to execute command via SSH: %(cmd)s.")
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class UnsupportedDriverExtension(Invalid):
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_msg_fmt = _('Driver %(driver)s does not support %(extension)s '
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'(disabled or not implemented).')
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class GlanceConnectionFailed(IronicException):
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_msg_fmt = _("Connection to glance host %(host)s:%(port)s failed: "
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"%(reason)s")
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class ImageNotAuthorized(NotAuthorized):
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_msg_fmt = _("Not authorized for image %(image_id)s.")
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class InvalidImageRef(Invalid):
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_msg_fmt = _("Invalid image href %(image_href)s.")
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class ImageRefValidationFailed(IronicException):
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_msg_fmt = _("Validation of image href %(image_href)s failed, "
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"reason: %(reason)s")
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class ImageDownloadFailed(IronicException):
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_msg_fmt = _("Failed to download image %(image_href)s, reason: %(reason)s")
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class KeystoneUnauthorized(IronicException):
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_msg_fmt = _("Not authorized in Keystone.")
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class KeystoneFailure(IronicException):
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pass
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class CatalogNotFound(IronicException):
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_msg_fmt = _("Service type %(service_type)s with endpoint type "
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"%(endpoint_type)s not found in keystone service catalog.")
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class ServiceUnavailable(IronicException):
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_msg_fmt = _("Connection failed")
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class Forbidden(IronicException):
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_msg_fmt = _("Requested OpenStack Images API is forbidden")
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class BadRequest(IronicException):
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pass
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class InvalidEndpoint(IronicException):
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_msg_fmt = _("The provided endpoint is invalid")
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class CommunicationError(IronicException):
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_msg_fmt = _("Unable to communicate with the server.")
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class HTTPForbidden(NotAuthorized):
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_msg_fmt = _("Access was denied to the following resource: %(resource)s")
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class Unauthorized(IronicException):
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pass
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class HTTPNotFound(NotFound):
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pass
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class ConfigNotFound(IronicException):
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_msg_fmt = _("Could not find config at %(path)s")
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class NodeLocked(Conflict):
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_msg_fmt = _("Node %(node)s is locked by host %(host)s, please retry "
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"after the current operation is completed.")
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class NodeNotLocked(Invalid):
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_msg_fmt = _("Node %(node)s found not to be locked on release")
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class NoFreeConductorWorker(TemporaryFailure):
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_msg_fmt = _('Requested action cannot be performed due to lack of free '
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'conductor workers.')
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code = http_client.SERVICE_UNAVAILABLE
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class VendorPassthruException(IronicException):
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pass
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class ConfigInvalid(IronicException):
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_msg_fmt = _("Invalid configuration file. %(error_msg)s")
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class DriverLoadError(IronicException):
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_msg_fmt = _("Driver %(driver)s could not be loaded. Reason: %(reason)s.")
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class ConsoleError(IronicException):
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pass
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class NoConsolePid(ConsoleError):
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_msg_fmt = _("Could not find pid in pid file %(pid_path)s")
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class ConsoleSubprocessFailed(ConsoleError):
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_msg_fmt = _("Console subprocess failed to start. %(error)s")
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class PasswordFileFailedToCreate(IronicException):
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_msg_fmt = _("Failed to create the password file. %(error)s")
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class IloOperationError(IronicException):
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_msg_fmt = _("%(operation)s failed, error: %(error)s")
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class IloOperationNotSupported(IronicException):
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_msg_fmt = _("%(operation)s not supported. error: %(error)s")
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class DracOperationError(IronicException):
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_msg_fmt = _('DRAC operation failed. Reason: %(error)s')
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class FailedToGetSensorData(IronicException):
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_msg_fmt = _("Failed to get sensor data for node %(node)s. "
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"Error: %(error)s")
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class FailedToParseSensorData(IronicException):
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_msg_fmt = _("Failed to parse sensor data for node %(node)s. "
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"Error: %(error)s")
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class InsufficientDiskSpace(IronicException):
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_msg_fmt = _("Disk volume where '%(path)s' is located doesn't have "
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"enough disk space. Required %(required)d MiB, "
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"only %(actual)d MiB available space present.")
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class ImageCreationFailed(IronicException):
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_msg_fmt = _('Creating %(image_type)s image failed: %(error)s')
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class SwiftOperationError(IronicException):
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_msg_fmt = _("Swift operation '%(operation)s' failed: %(error)s")
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class SwiftObjectNotFoundError(SwiftOperationError):
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_msg_fmt = _("Swift object %(object)s from container %(container)s "
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"not found. Operation '%(operation)s' failed.")
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class SNMPFailure(IronicException):
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_msg_fmt = _("SNMP operation '%(operation)s' failed: %(error)s")
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class FileSystemNotSupported(IronicException):
|
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_msg_fmt = _("Failed to create a file system. "
|
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"File system %(fs)s is not supported.")
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class IRMCOperationError(IronicException):
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_msg_fmt = _('iRMC %(operation)s failed. Reason: %(error)s')
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class IRMCSharedFileSystemNotMounted(IronicException):
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_msg_fmt = _("iRMC shared file system '%(share)s' is not mounted.")
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class VirtualBoxOperationFailed(IronicException):
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_msg_fmt = _("VirtualBox operation '%(operation)s' failed. "
|
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"Error: %(error)s")
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class HardwareInspectionFailure(IronicException):
|
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_msg_fmt = _("Failed to inspect hardware. Reason: %(error)s")
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class NodeCleaningFailure(IronicException):
|
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_msg_fmt = _("Failed to clean node %(node)s: %(reason)s")
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class PathNotFound(IronicException):
|
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_msg_fmt = _("Path %(dir)s does not exist.")
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class DirectoryNotWritable(IronicException):
|
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_msg_fmt = _("Directory %(dir)s is not writable.")
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class UcsOperationError(IronicException):
|
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_msg_fmt = _("Cisco UCS client: operation %(operation)s failed for node"
|
|
" %(node)s. Reason: %(error)s")
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class UcsConnectionError(IronicException):
|
|
_msg_fmt = _("Cisco UCS client: connection failed for node "
|
|
"%(node)s. Reason: %(error)s")
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class WolOperationError(IronicException):
|
|
pass
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class ImageUploadFailed(IronicException):
|
|
_msg_fmt = _("Failed to upload %(image_name)s image to web server "
|
|
"%(web_server)s, reason: %(reason)s")
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|
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class CIMCException(IronicException):
|
|
_msg_fmt = _("Cisco IMC exception occurred for node %(node)s: %(error)s")
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class OneViewError(IronicException):
|
|
_msg_fmt = _("OneView exception occurred. Error: %(error)s")
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class OneViewInvalidNodeParameter(OneViewError):
|
|
_msg_fmt = _("Error while obtaining OneView info from node %(node_uuid)s. "
|
|
"Error: %(error)s")
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class NodeTagNotFound(IronicException):
|
|
_msg_fmt = _("Node %(node_id)s doesn't have a tag '%(tag)s'")
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class NetworkError(IronicException):
|
|
_msg_fmt = _("Network operation failure.")
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|
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|
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class IncompleteLookup(Invalid):
|
|
_msg_fmt = _("At least one of 'addresses' and 'node_uuid' parameters "
|
|
"is required")
|
|
|
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|
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class NotificationSchemaObjectError(IronicException):
|
|
_msg_fmt = _("Expected object %(obj)s when populating notification payload"
|
|
" but got object %(source)s")
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|
|
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|
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class NotificationSchemaKeyError(IronicException):
|
|
_msg_fmt = _("Object %(obj)s doesn't have the field \"%(field)s\" "
|
|
"required for populating notification schema key "
|
|
"\"%(key)s\"")
|
|
|
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|
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class NotificationPayloadError(IronicException):
|
|
_msg_fmt = _("Payload not populated when trying to send notification "
|
|
"\"%(class_name)s\"")
|