88cd4f8504
Fixes bug 1045142. This patch adds 'local' as a new value for provider:network_type, supported by the openvswitch and linuxbridge plugins. Networks of this type provide connectivity through a bridge for VMs and agents local to the host, but no external connectivity. They do not require provider:physical_network or provider:segmentation_id values. These local networks are intended mainly to support single-box zero-configuration testing (including quantum gating), but may have other uses as well. For openvswitch, the new OVS.tenant_network_type configuration variable selects what type of networks are allocated as tenant (i.e. non-provider) networks. It defaults to 'local', but must be changed to 'vlan' or 'gre' for openvswitch tenant networks to have external connectivity. The default value is intended to support single-box zero-configuration testing without any need to allocate physical network resources or configure bridges, and without requiring the operating system to support OVS GRE tunneling. It can also be set to 'none' to completely disable creation of tenant networks. For linuxbridge, the new VLANS.tenant_network_type configuration variable works similarly, with a value of 'vlan' supporting tenant networks with external connectivity. With either plugin, administrators can create provider local networks by specifying "--provider:network_type local". Additionally, with openvswitch, provider GRE networks can now be created by specifying "--provider:network_type gre --provider:segmentation_id <tunnel-id>". A corresponding devstack patch is available at https://review.openstack.org/#/c/12456/. With this patch, the openvswitch and linuxbridge plugins are by default configured to support only local networks. A set of shell variables, documented in stack.sh, can be set in localrc to configure remote connectivity, including bridges/interfaces available for provider networks. Change-Id: I2812548326141d2212d04f34d5448fb974d298e0
238 lines
6.8 KiB
Python
238 lines
6.8 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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Quantum base exception handling.
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"""
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from quantum.openstack.common.exception import Error
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from quantum.openstack.common.exception import OpenstackException
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class QuantumException(OpenstackException):
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"""Base Quantum 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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class BadRequest(QuantumException):
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message = _('Bad %(resource)s request: %(msg)s')
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class NotFound(QuantumException):
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pass
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class NotAuthorized(QuantumException):
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message = _("Not authorized.")
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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 ClassNotFound(NotFound):
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message = _("Class %(class_name)s could not be found")
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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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"on network %(net_id)s")
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class PolicyNotFound(NotFound):
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message = _("Policy configuration policy.json could not be found")
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class StateInvalid(QuantumException):
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message = _("Unsupported port state: %(port_state)s")
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class InUse(QuantumException):
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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 is one or more attachments plugged into its ports.")
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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(QuantumException):
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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(QuantumException):
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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(QuantumException):
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message = _("Tenant network creation is not enabled.")
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class ResourceExhausted(QuantumException):
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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 virtual network is available.")
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class AlreadyAttached(QuantumException):
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message = _("Unable to plug the attachment %(att_id)s into port "
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"%(port_id)s for network %(net_id)s. The attachment is "
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"already plugged into port %(att_port_id)s")
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class MalformedRequestBody(QuantumException):
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message = _("Malformed request body: %(reason)s")
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class Invalid(Error):
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pass
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class InvalidInput(QuantumException):
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message = _("Invalid input for operation: %(error_message)s.")
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class InvalidContentType(Invalid):
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message = _("Invalid content type %(content_type)s.")
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class InvalidAllocationPool(QuantumException):
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message = _("The allocation pool %(pool)s is not valid.")
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class OverlappingAllocationPools(QuantumException):
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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(QuantumException):
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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 NotImplementedError(Error):
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pass
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class FixedIPNotAvailable(QuantumException):
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message = _("Fixed IP (%(ip)s) unavailable for network "
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"%(network_uuid)s")
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class MacAddressGenerationFailure(QuantumException):
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message = _("Unable to generate unique mac on network %(net_id)s.")
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class IpAddressGenerationFailure(QuantumException):
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message = _("No more IP addresses available on network %(net_id)s.")
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class BridgeDoesNotExist(QuantumException):
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message = _("Bridge %(bridge)s does not exist.")
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class PreexistingDeviceFailure(QuantumException):
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message = _("Creation failed. %(dev_name)s already exists.")
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class SudoRequired(QuantumException):
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message = _("Sudo priviledge is required to run this command.")
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class QuotaResourceUnknown(QuantumException):
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message = _("Unknown quota resources %(unknown)s.")
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class OverQuota(QuantumException):
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message = _("Quota exceeded for resources: %(overs)s")
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class InvalidQuotaValue(QuantumException):
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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(QuantumException):
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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 InvalidExtenstionEnv(QuantumException):
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message = _("Invalid extension environment: %(reason)s")
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