438 lines
12 KiB
Python
438 lines
12 KiB
Python
# Copyright 2013 - Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Magnum base exception handling.
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Includes decorator for re-raising Magnum-type exceptions.
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"""
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import functools
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import json
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import sys
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from keystoneclient import exceptions as keystone_exceptions
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from oslo_config import cfg
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from oslo_log import log as logging
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import six
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from magnum.i18n import _
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from magnum.i18n import _LE
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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try:
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CONF.import_opt('fatal_exception_format_errors',
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'oslo_versionedobjects.exception')
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except cfg.NoSuchOptError as e:
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# Note:work around for magnum run against master branch
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# in devstack gate job, as magnum not branched yet
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# verisonobjects kilo/master different version can
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# cause issue here. As it changed import group. So
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# add here before branch to prevent gate failure.
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# Bug: #1447873
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CONF.import_opt('fatal_exception_format_errors',
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'oslo_versionedobjects.exception',
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group='oslo_versionedobjects')
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def wrap_keystone_exception(func):
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"""Wrap keystone exceptions and throw Magnum specific exceptions."""
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@functools.wraps(func)
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def wrapped(*args, **kw):
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try:
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return func(*args, **kw)
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except keystone_exceptions.AuthorizationFailure:
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raise AuthorizationFailure(
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client=func.__name__, message="reason: %s" % sys.exc_info()[1])
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except keystone_exceptions.ClientException:
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raise AuthorizationFailure(
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client=func.__name__,
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message="unexpected keystone client error occurred: %s"
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% sys.exc_info()[1])
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return wrapped
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class MagnumException(Exception):
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"""Base Magnum 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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code = 500
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if 'code' not in self.kwargs and hasattr(self, 'code'):
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self.kwargs['code'] = self.code
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if message:
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self.message = message
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try:
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self.message = self.message % kwargs
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except Exception:
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# kwargs doesn't match a variable in the message
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# log the issue and the kwargs
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LOG.exception(_LE('Exception in string format operation, '
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'kwargs: %s') % kwargs)
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try:
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if CONF.fatal_exception_format_errors:
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raise
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except cfg.NoSuchOptError:
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# Note: work around for Bug: #1447873
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if CONF.oslo_versionedobjects.fatal_exception_format_errors:
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raise
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super(MagnumException, self).__init__(self.message)
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def __str__(self):
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if six.PY3:
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return self.message
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return self.message.encode('utf-8')
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def __unicode__(self):
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return self.message
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def format_message(self):
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if self.__class__.__name__.endswith('_Remote'):
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return self.args[0]
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else:
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return six.text_type(self)
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class ObjectNotFound(MagnumException):
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message = _("The %(name)s %(id)s could not be found.")
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class ResourceNotFound(ObjectNotFound):
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message = _("The %(name)s resource %(id)s could not be found.")
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code = 404
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class AuthorizationFailure(MagnumException):
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message = _("%(client)s connection failed. %(message)s")
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class Invalid(MagnumException):
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message = _("Unacceptable parameters.")
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code = 400
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class InvalidUUID(Invalid):
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message = _("Expected a uuid but received %(uuid)s.")
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class InvalidName(Invalid):
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message = _("Expected a name but received %(name)s.")
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class InvalidDiscoveryURL(Invalid):
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message = _("Received invalid discovery URL '%(discovery_url)s' for "
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"discovery endpoint '%(discovery_endpoint)s'.")
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class GetDiscoveryUrlFailed(MagnumException):
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message = _("Failed to get discovery url from '%(discovery_endpoint)s'.")
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class InvalidBayDiscoveryURL(Invalid):
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message = _("Invalid discovery URL '%(discovery_url)s'.")
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class InvalidClusterSize(Invalid):
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message = _("Expected cluster size %(expect_size)d but get cluster "
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"size %(size)d from '%(discovery_url)s'.")
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class GetClusterSizeFailed(MagnumException):
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message = _("Failed to get the size of cluster from '%(discovery_url)s'.")
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class InvalidIdentity(Invalid):
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message = _("Expected an uuid or int but received %(identity)s.")
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class InvalidCsr(Invalid):
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message = _("Received invalid csr %(csr)s.")
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class InvalidSubnet(Invalid):
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message = _("Received invalid subnet %(subnet)s.")
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class HTTPNotFound(ResourceNotFound):
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pass
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class Conflict(MagnumException):
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message = _('Conflict.')
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code = 409
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class ApiVersionsIntersect(MagnumException):
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message = _("Version of %(name)s %(min_ver)s %(max_ver)s intersects "
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"with another versions.")
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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 PatchError(Invalid):
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message = _("Couldn't apply patch '%(patch)s'. Reason: %(reason)s")
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class NotAuthorized(MagnumException):
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message = _("Not authorized.")
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code = 403
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class PolicyNotAuthorized(NotAuthorized):
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message = _("Policy doesn't allow %(action)s to be performed.")
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class InvalidMAC(Invalid):
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message = _("Expected a MAC address but received %(mac)s.")
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class ConfigInvalid(MagnumException):
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message = _("Invalid configuration file. %(error_msg)s")
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class SSHConnectFailed(MagnumException):
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message = _("Failed to establish SSH connection to host %(host)s.")
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class FileSystemNotSupported(MagnumException):
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message = _("Failed to create a file system. "
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"File system %(fs)s is not supported.")
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class ClusterTemplateNotFound(ResourceNotFound):
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message = _("ClusterTemplate %(clustertemplate)s could not be found.")
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class ClusterTemplateAlreadyExists(Conflict):
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message = _("A ClusterTemplate with UUID %(uuid)s already exists.")
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class ClusterTemplateReferenced(Invalid):
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message = _("ClusterTemplate %(clustertemplate)s is referenced by one or"
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" multiple clusters.")
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class ClusterTemplatePublishDenied(NotAuthorized):
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message = _("Not authorized to set public flag for cluster template.")
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class ClusterNotFound(ResourceNotFound):
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message = _("Cluster %(cluster)s could not be found.")
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class ClusterAlreadyExists(Conflict):
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message = _("A cluster with UUID %(uuid)s already exists.")
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class ContainerNotFound(ResourceNotFound):
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message = _("Container %(container)s could not be found.")
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class ContainerAlreadyExists(Conflict):
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message = _("A container with UUID %(uuid)s already exists.")
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class PodNotFound(ResourceNotFound):
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message = _("Pod %(pod)s could not be found.")
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class PodAlreadyExists(Conflict):
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message = _("A pod with UUID %(uuid)s already exists.")
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class PodListNotFound(ResourceNotFound):
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message = _("Pod list could not be found for Bay %(bay_uuid)s.")
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class PodCreationFailed(Invalid):
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message = _("Pod creation failed in Bay %(bay_uuid)s.")
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class ServiceNotFound(ResourceNotFound):
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message = _("Service %(service)s could not be found.")
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class ServiceAlreadyExists(Conflict):
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message = _("A service with UUID %(uuid)s already exists.")
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class ServiceListNotFound(ResourceNotFound):
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message = _("Service list could not be found for Bay %(bay_uuid)s.")
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class ServiceCreationFailed(Invalid):
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message = _("Service creation failed for Bay %(bay_uuid)s.")
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class ContainerException(Exception):
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pass
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class NotSupported(MagnumException):
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message = _("%(operation)s is not supported.")
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code = 400
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class BayTypeNotSupported(MagnumException):
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message = _("Bay type (%(server_type)s, %(os)s, %(coe)s)"
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" not supported.")
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class BayTypeNotEnabled(MagnumException):
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message = _("Bay type (%(server_type)s, %(os)s, %(coe)s)"
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" not enabled.")
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class RequiredParameterNotProvided(MagnumException):
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message = _("Required parameter %(heat_param)s not provided.")
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class Urllib2InvalidScheme(MagnumException):
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message = _("The urllib2 URL %(url)s has an invalid scheme.")
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class OperationInProgress(Invalid):
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message = _("Bay %(bay_name)s already has an operation in progress.")
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class ImageNotFound(ResourceNotFound):
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"""The code here changed to 400 according to the latest document."""
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message = _("Image %(image_id)s could not be found.")
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code = 400
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class ImageNotAuthorized(MagnumException):
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message = _("Not authorized for image %(image_id)s.")
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class OSDistroFieldNotFound(ResourceNotFound):
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"""The code here changed to 400 according to the latest document."""
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message = _("Image %(image_id)s doesn't contain os_distro field.")
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code = 400
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class KubernetesAPIFailed(MagnumException):
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def __init__(self, message=None, err=None, **kwargs):
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if err:
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if err.body:
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message = json.loads(err.body)['message']
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else:
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message = err.reason
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self.__class__.code = err.status
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else:
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self.__class__.code = kwargs.get('code')
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super(KubernetesAPIFailed, self).__init__(message, **kwargs)
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class X509KeyPairNotFound(ResourceNotFound):
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message = _("A key pair %(x509keypair)s could not be found.")
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class X509KeyPairAlreadyExists(Conflict):
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message = _("A key pair with UUID %(uuid)s already exists.")
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class CertificateStorageException(MagnumException):
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message = _("Could not store certificate: %(msg)s")
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class CertificateValidationError(Invalid):
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message = _("Extension '%(extension)s' not allowed")
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class KeyPairNotFound(ResourceNotFound):
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message = _("Unable to find keypair %(keypair)s.")
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class MagnumServiceNotFound(ResourceNotFound):
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message = _("A magnum service %(magnum_service_id)s could not be found.")
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class MagnumServiceAlreadyExists(Conflict):
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message = _("A magnum service with ID %(id)s already exists.")
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class UnsupportedK8sQuantityFormat(MagnumException):
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message = _("Unsupported quantity format for k8s bay.")
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class UnsupportedDockerQuantityFormat(MagnumException):
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message = _("Unsupported quantity format for Swarm bay.")
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class FlavorNotFound(ResourceNotFound):
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"""The code here changed to 400 according to the latest document."""
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message = _("Unable to find flavor %(flavor)s.")
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code = 400
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class ExternalNetworkNotFound(ResourceNotFound):
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"""The code here changed to 400 according to the latest document."""
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""""Ensure the network is not private."""
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message = _("Unable to find external network %(network)s.")
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code = 400
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class TrustCreateFailed(MagnumException):
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message = _("Failed to create trust for trustee %(trustee_user_id)s.")
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class TrustDeleteFailed(MagnumException):
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message = _("Failed to delete trust %(trust_id)s.")
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class TrusteeCreateFailed(MagnumException):
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message = _("Failed to create trustee %(username)s "
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"in domain %(domain_id)s")
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class TrusteeDeleteFailed(MagnumException):
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message = _("Failed to delete trustee %(trustee_id)s")
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class QuotaAlreadyExists(Conflict):
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message = _("Quota for project %(project_id)s already exists "
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"for resource %(resource)s.")
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class RegionsListFailed(MagnumException):
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message = _("Failed to list regions.")
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class TrusteeOrTrustToBayFailed(MagnumException):
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message = _("Failed to create trustee or trust for Bay: %(bay_uuid)s")
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class CertificatesToBayFailed(MagnumException):
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message = _("Failed to create certificates for Bay: %(bay_uuid)s")
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