304 lines
8.7 KiB
Python
304 lines
8.7 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Nicira Networks, Inc
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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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"""
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Neutron base exception handling.
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"""
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_FATAL_EXCEPTION_FORMAT_ERRORS = False
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class NeutronException(Exception):
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"""Base Neutron 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, **kwargs):
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try:
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super(NeutronException, self).__init__(self.message % kwargs)
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self.msg = self.message % kwargs
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except Exception:
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if _FATAL_EXCEPTION_FORMAT_ERRORS:
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raise
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else:
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# at least get the core message out if something happened
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super(NeutronException, self).__init__(self.message)
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def __unicode__(self):
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return unicode(self.msg)
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class BadRequest(NeutronException):
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message = _('Bad %(resource)s request: %(msg)s')
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class NotFound(NeutronException):
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pass
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class Conflict(NeutronException):
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pass
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class NotAuthorized(NeutronException):
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message = _("Not authorized.")
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class ServiceUnavailable(NeutronException):
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message = _("The service is unavailable")
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class AdminRequired(NotAuthorized):
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message = _("User does not have admin privileges: %(reason)s")
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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 NetworkNotFound(NotFound):
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message = _("Network %(net_id)s could not be found")
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class SubnetNotFound(NotFound):
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message = _("Subnet %(subnet_id)s could not be found")
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class PortNotFound(NotFound):
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message = _("Port %(port_id)s could not be found")
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class PortNotFoundOnNetwork(NotFound):
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message = _("Port %(port_id)s could not be found "
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"on network %(net_id)s")
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class PolicyFileNotFound(NotFound):
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message = _("Policy configuration policy.json could not be found")
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class PolicyRuleNotFound(NotFound):
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message = _("Requested rule:%(rule)s cannot be found")
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class PolicyInitError(NeutronException):
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message = _("Failed to init policy %(policy)s because %(reason)s")
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class PolicyCheckError(NeutronException):
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message = _("Failed to check policy %(policy)s because %(reason)s")
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class StateInvalid(BadRequest):
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message = _("Unsupported port state: %(port_state)s")
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class InUse(NeutronException):
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message = _("The resource is inuse")
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class NetworkInUse(InUse):
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message = _("Unable to complete operation on network %(net_id)s. "
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"There are one or more ports still in use on the network.")
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class SubnetInUse(InUse):
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message = _("Unable to complete operation on subnet %(subnet_id)s. "
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"One or more ports have an IP allocation from this subnet.")
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class PortInUse(InUse):
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message = _("Unable to complete operation on port %(port_id)s "
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"for network %(net_id)s. Port already has an attached"
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"device %(device_id)s.")
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class MacAddressInUse(InUse):
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message = _("Unable to complete operation for network %(net_id)s. "
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"The mac address %(mac)s is in use.")
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class HostRoutesExhausted(BadRequest):
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# NOTE(xchenum): probably make sense to use quota exceeded exception?
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message = _("Unable to complete operation for %(subnet_id)s. "
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"The number of host routes exceeds the limit %(quota)s.")
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class DNSNameServersExhausted(BadRequest):
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# NOTE(xchenum): probably make sense to use quota exceeded exception?
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message = _("Unable to complete operation for %(subnet_id)s. "
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"The number of DNS nameservers exceeds the limit %(quota)s.")
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class IpAddressInUse(InUse):
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message = _("Unable to complete operation for network %(net_id)s. "
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"The IP address %(ip_address)s is in use.")
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class VlanIdInUse(InUse):
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message = _("Unable to create the network. "
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"The VLAN %(vlan_id)s on physical network "
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"%(physical_network)s is in use.")
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class FlatNetworkInUse(InUse):
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message = _("Unable to create the flat network. "
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"Physical network %(physical_network)s is in use.")
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class TunnelIdInUse(InUse):
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message = _("Unable to create the network. "
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"The tunnel ID %(tunnel_id)s is in use.")
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class TenantNetworksDisabled(ServiceUnavailable):
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message = _("Tenant network creation is not enabled.")
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class ResourceExhausted(ServiceUnavailable):
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pass
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class NoNetworkAvailable(ResourceExhausted):
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message = _("Unable to create the network. "
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"No tenant network is available for allocation.")
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class SubnetMismatchForPort(BadRequest):
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message = _("Subnet on port %(port_id)s does not match "
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"the requested subnet %(subnet_id)s")
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class MalformedRequestBody(BadRequest):
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message = _("Malformed request body: %(reason)s")
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class Invalid(NeutronException):
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def __init__(self, message=None):
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self.message = message
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super(Invalid, self).__init__()
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class InvalidInput(BadRequest):
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message = _("Invalid input for operation: %(error_message)s.")
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class InvalidAllocationPool(BadRequest):
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message = _("The allocation pool %(pool)s is not valid.")
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class OverlappingAllocationPools(Conflict):
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message = _("Found overlapping allocation pools:"
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"%(pool_1)s %(pool_2)s for subnet %(subnet_cidr)s.")
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class OutOfBoundsAllocationPool(BadRequest):
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message = _("The allocation pool %(pool)s spans "
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"beyond the subnet cidr %(subnet_cidr)s.")
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class MacAddressGenerationFailure(ServiceUnavailable):
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message = _("Unable to generate unique mac on network %(net_id)s.")
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class IpAddressGenerationFailure(Conflict):
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message = _("No more IP addresses available on network %(net_id)s.")
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class BridgeDoesNotExist(NeutronException):
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message = _("Bridge %(bridge)s does not exist.")
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class PreexistingDeviceFailure(NeutronException):
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message = _("Creation failed. %(dev_name)s already exists.")
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class SudoRequired(NeutronException):
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message = _("Sudo priviledge is required to run this command.")
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class QuotaResourceUnknown(NotFound):
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message = _("Unknown quota resources %(unknown)s.")
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class OverQuota(Conflict):
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message = _("Quota exceeded for resources: %(overs)s")
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class QuotaMissingTenant(BadRequest):
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message = _("Tenant-id was missing from Quota request")
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class InvalidQuotaValue(Conflict):
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message = _("Change would make usage less than 0 for the following "
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"resources: %(unders)s")
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class InvalidSharedSetting(Conflict):
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message = _("Unable to reconfigure sharing settings for network "
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"%(network)s. Multiple tenants are using it")
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class InvalidExtensionEnv(BadRequest):
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message = _("Invalid extension environment: %(reason)s")
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class InvalidContentType(NeutronException):
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message = _("Invalid content type %(content_type)s")
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class ExternalIpAddressExhausted(BadRequest):
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message = _("Unable to find any IP address on external "
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"network %(net_id)s.")
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class TooManyExternalNetworks(NeutronException):
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message = _("More than one external network exists")
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class InvalidConfigurationOption(NeutronException):
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message = _("An invalid value was provided for %(opt_name)s: "
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"%(opt_value)s")
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class GatewayConflictWithAllocationPools(InUse):
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message = _("Gateway ip %(ip_address)s conflicts with "
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"allocation pool %(pool)s")
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class GatewayIpInUse(InUse):
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message = _("Current gateway ip %(ip_address)s already in use "
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"by port %(port_id)s. Unable to update.")
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class NetworkVlanRangeError(NeutronException):
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message = _("Invalid network VLAN range: '%(vlan_range)s' - '%(error)s'")
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def __init__(self, **kwargs):
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# Convert vlan_range tuple to 'start:end' format for display
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if isinstance(kwargs['vlan_range'], tuple):
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kwargs['vlan_range'] = "%d:%d" % kwargs['vlan_range']
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super(NetworkVlanRangeError, self).__init__(**kwargs)
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class NetworkVxlanPortRangeError(NeutronException):
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message = _("Invalid network VXLAN port range: '%(vxlan_range)s'")
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