A common library that interfaces with VMware NSX.
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# Copyright 2016 VMware, Inc.
# All Rights Reserved
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_utils import excutils
import six
from vmware_nsxlib._i18n import _
class NsxLibException(Exception):
"""Base NsxLib Exception.
To correctly use this class, inherit from it and define
a 'message' property. That message will get printf'd
with the keyword arguments provided to the constructor.
message = _("An unknown exception occurred.")
def __init__(self, **kwargs):
super(NsxLibException, self).__init__(self.message % kwargs)
self.msg = self.message % kwargs
except Exception:
with excutils.save_and_reraise_exception() as ctxt:
if not self.use_fatal_exceptions():
ctxt.reraise = False
# at least get the core message out if something happened
super(NsxLibException, self).__init__(self.message)
if six.PY2:
def __unicode__(self):
return unicode(self.msg)
def __str__(self):
return self.msg
def use_fatal_exceptions(self):
return False
class ObjectAlreadyExists(NsxLibException):
message = _("%(object_type)s already exists")
class ObjectNotGenerated(NsxLibException):
message = _("%(object_type)s was not generated")
class CertificateError(NsxLibException):
message = _("Certificate error: %(msg)s")
class NsxLibInvalidInput(NsxLibException):
message = _("Invalid input for operation: %(error_message)s.")
class ManagerError(NsxLibException):
message = _("Unexpected error from backend manager (%(manager)s) "
"for %(operation)s %(details)s")
def __init__(self, **kwargs):
details = kwargs.get('details', '')
kwargs['details'] = ': %s' % details
super(ManagerError, self).__init__(**kwargs)
self.msg = self.message % kwargs
except KeyError:
self.msg = details
self.error_code = kwargs.get('error_code')
class ResourceNotFound(ManagerError):
message = _("Resource could not be found on backend (%(manager)s) for "
class BackendResourceNotFound(ResourceNotFound):
message = _("%(details)s On backend (%(manager)s) with Operation: "
class InvalidInput(ManagerError):
message = _("%(operation)s failed: Invalid input %(arg_val)s "
"for %(arg_name)s")
class StaleRevision(ManagerError):
class ClientCertificateNotTrusted(ManagerError):
message = _("Certificate not trusted")
class BadXSRFToken(ManagerError):
message = _("Bad or expired XSRF token")
class ServiceClusterUnavailable(ManagerError):
message = _("Service cluster: '%(cluster_id)s' is unavailable. Please, "
"check NSX setup and/or configuration")
class NSGroupMemberNotFound(ManagerError):
message = _("Could not find NSGroup %(nsgroup_id)s member %(member_id)s "
"for removal.")
class NSGroupIsFull(ManagerError):
message = _("NSGroup %(nsgroup_id)s contains has reached its maximum "
"capacity, unable to add additional members.")
class NumberOfNsgroupCriteriaTagsReached(ManagerError):
message = _("Port can be associated with at most %(max_num)s "
class SecurityGroupMaximumCapacityReached(ManagerError):
message = _("Security Group %(sg_id)s has reached its maximum capacity, "
"no more ports can be associated with this security-group.")
class NsxSearchInvalidQuery(NsxLibException):
message = _("Invalid input for NSX search query. Reason: %(reason)s")