217 lines
7.2 KiB
Python
217 lines
7.2 KiB
Python
# Copyright (c) 2012 OpenStack Foundation.
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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
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# 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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import sys
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from neutron_lib import constants as lib_constants
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from neutron.common import _deprecate
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ROUTER_PORT_OWNERS = lib_constants.ROUTER_INTERFACE_OWNERS_SNAT + \
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(lib_constants.DEVICE_OWNER_ROUTER_GW,)
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L3_AGENT_MODE_DVR = 'dvr'
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L3_AGENT_MODE_DVR_SNAT = 'dvr_snat'
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L3_AGENT_MODE_LEGACY = 'legacy'
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L3_AGENT_MODE = 'agent_mode'
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DEVICE_ID_RESERVED_DHCP_PORT = "reserved_dhcp_port"
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HA_ROUTER_STATE_KEY = '_ha_state'
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METERING_LABEL_KEY = '_metering_labels'
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FLOATINGIP_AGENT_INTF_KEY = '_floatingip_agent_interfaces'
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SNAT_ROUTER_INTF_KEY = '_snat_router_interfaces'
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HA_NETWORK_NAME = 'HA network tenant %s'
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HA_SUBNET_NAME = 'HA subnet tenant %s'
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HA_PORT_NAME = 'HA port tenant %s'
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MINIMUM_AGENTS_FOR_HA = 2
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HA_ROUTER_STATE_ACTIVE = 'active'
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HA_ROUTER_STATE_STANDBY = 'standby'
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PAGINATION_INFINITE = 'infinite'
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SORT_DIRECTION_ASC = 'asc'
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SORT_DIRECTION_DESC = 'desc'
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ETHERTYPE_NAME_ARP = 'arp'
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ETHERTYPE_ARP = 0x0806
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ETHERTYPE_IP = 0x0800
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ETHERTYPE_IPV6 = 0x86DD
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# Protocol names and numbers for Security Groups/Firewalls
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PROTO_NAME_AH = 'ah'
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PROTO_NAME_DCCP = 'dccp'
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PROTO_NAME_EGP = 'egp'
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PROTO_NAME_ESP = 'esp'
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PROTO_NAME_GRE = 'gre'
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PROTO_NAME_ICMP = 'icmp'
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PROTO_NAME_IGMP = 'igmp'
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PROTO_NAME_IPV6_ENCAP = 'ipv6-encap'
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PROTO_NAME_IPV6_FRAG = 'ipv6-frag'
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PROTO_NAME_IPV6_ICMP = 'ipv6-icmp'
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PROTO_NAME_IPV6_NONXT = 'ipv6-nonxt'
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PROTO_NAME_IPV6_OPTS = 'ipv6-opts'
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PROTO_NAME_IPV6_ROUTE = 'ipv6-route'
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PROTO_NAME_OSPF = 'ospf'
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PROTO_NAME_PGM = 'pgm'
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PROTO_NAME_RSVP = 'rsvp'
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PROTO_NAME_SCTP = 'sctp'
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PROTO_NAME_TCP = 'tcp'
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PROTO_NAME_UDP = 'udp'
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PROTO_NAME_UDPLITE = 'udplite'
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PROTO_NAME_VRRP = 'vrrp'
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PROTO_NUM_AH = 51
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PROTO_NUM_DCCP = 33
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PROTO_NUM_EGP = 8
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PROTO_NUM_ESP = 50
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PROTO_NUM_GRE = 47
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PROTO_NUM_ICMP = 1
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PROTO_NUM_IGMP = 2
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PROTO_NUM_IPV6_ENCAP = 41
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PROTO_NUM_IPV6_FRAG = 44
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PROTO_NUM_IPV6_ICMP = 58
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PROTO_NUM_IPV6_NONXT = 59
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PROTO_NUM_IPV6_OPTS = 60
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PROTO_NUM_IPV6_ROUTE = 43
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PROTO_NUM_OSPF = 89
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PROTO_NUM_PGM = 113
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PROTO_NUM_RSVP = 46
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PROTO_NUM_SCTP = 132
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PROTO_NUM_TCP = 6
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PROTO_NUM_UDP = 17
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PROTO_NUM_UDPLITE = 136
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PROTO_NUM_VRRP = 112
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IP_PROTOCOL_MAP = {PROTO_NAME_AH: PROTO_NUM_AH,
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PROTO_NAME_DCCP: PROTO_NUM_DCCP,
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PROTO_NAME_EGP: PROTO_NUM_EGP,
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PROTO_NAME_ESP: PROTO_NUM_ESP,
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PROTO_NAME_GRE: PROTO_NUM_GRE,
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PROTO_NAME_ICMP: PROTO_NUM_ICMP,
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PROTO_NAME_IGMP: PROTO_NUM_IGMP,
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PROTO_NAME_IPV6_ENCAP: PROTO_NUM_IPV6_ENCAP,
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PROTO_NAME_IPV6_FRAG: PROTO_NUM_IPV6_FRAG,
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PROTO_NAME_IPV6_ICMP: PROTO_NUM_IPV6_ICMP,
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PROTO_NAME_IPV6_NONXT: PROTO_NUM_IPV6_NONXT,
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PROTO_NAME_IPV6_OPTS: PROTO_NUM_IPV6_OPTS,
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PROTO_NAME_IPV6_ROUTE: PROTO_NUM_IPV6_ROUTE,
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PROTO_NAME_OSPF: PROTO_NUM_OSPF,
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PROTO_NAME_PGM: PROTO_NUM_PGM,
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PROTO_NAME_RSVP: PROTO_NUM_RSVP,
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PROTO_NAME_SCTP: PROTO_NUM_SCTP,
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PROTO_NAME_TCP: PROTO_NUM_TCP,
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PROTO_NAME_UDP: PROTO_NUM_UDP,
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PROTO_NAME_UDPLITE: PROTO_NUM_UDPLITE,
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PROTO_NAME_VRRP: PROTO_NUM_VRRP}
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# List of ICMPv6 types that should be allowed by default:
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# Multicast Listener Query (130),
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# Multicast Listener Report (131),
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# Multicast Listener Done (132),
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# Neighbor Solicitation (135),
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ICMPV6_TYPE_NC = 135
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# Neighbor Advertisement (136)
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ICMPV6_TYPE_NA = 136
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ICMPV6_ALLOWED_TYPES = [130, 131, 132, 135, 136]
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ICMPV6_TYPE_RA = 134
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DHCPV6_STATEFUL = 'dhcpv6-stateful'
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DHCPV6_STATELESS = 'dhcpv6-stateless'
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IPV6_SLAAC = 'slaac'
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IPV6_MODES = [DHCPV6_STATEFUL, DHCPV6_STATELESS, IPV6_SLAAC]
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IPV6_LLA_PREFIX = 'fe80::/64'
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# Human-readable ID to which the subnetpool ID should be set to
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# indicate that IPv6 Prefix Delegation is enabled for a given subnet
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IPV6_PD_POOL_ID = 'prefix_delegation'
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# Special provisional prefix for IPv6 Prefix Delegation
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PROVISIONAL_IPV6_PD_PREFIX = '::/64'
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# Timeout in seconds for getting an IPv6 LLA
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LLA_TASK_TIMEOUT = 40
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# Linux interface max length
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DEVICE_NAME_MAX_LEN = 15
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# vhost-user device names start with "vhu"
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VHOST_USER_DEVICE_PREFIX = 'vhu'
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# The vswitch side of a veth pair for a nova iptables filter setup
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VETH_DEVICE_PREFIX = 'qvo'
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# prefix for SNAT interface in DVR
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SNAT_INT_DEV_PREFIX = 'sg-'
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# Possible prefixes to partial port IDs in interface names used by the OVS,
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# Linux Bridge, and IVS VIF drivers in Nova and the neutron agents. See the
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# 'get_ovs_interfaceid' method in Nova (nova/virt/libvirt/vif.py) for details.
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INTERFACE_PREFIXES = (lib_constants.TAP_DEVICE_PREFIX, VETH_DEVICE_PREFIX,
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SNAT_INT_DEV_PREFIX)
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ATTRIBUTES_TO_UPDATE = 'attributes_to_update'
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# Maximum value integer can take in MySQL and PostgreSQL
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# In SQLite integer can be stored in 1, 2, 3, 4, 6, or 8 bytes,
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# but here it will be limited by this value for consistency.
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DB_INTEGER_MAX_VALUE = 2 ** 31 - 1
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# TODO(amuller): Re-define the RPC namespaces once Oslo messaging supports
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# Targets with multiple namespaces. Neutron will then implement callbacks
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# for its RPC clients in order to support rolling upgrades.
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# RPC Interface for agents to call DHCP API implemented on the plugin side
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RPC_NAMESPACE_DHCP_PLUGIN = None
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# RPC interface for the metadata service to get info from the plugin side
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RPC_NAMESPACE_METADATA = None
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# RPC interface for agent to plugin security group API
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RPC_NAMESPACE_SECGROUP = None
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# RPC interface for agent to plugin DVR api
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RPC_NAMESPACE_DVR = None
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# RPC interface for reporting state back to the plugin
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RPC_NAMESPACE_STATE = None
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# RPC interface for agent to plugin resources API
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RPC_NAMESPACE_RESOURCES = None
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# Default network MTU value when not configured
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DEFAULT_NETWORK_MTU = 0
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IPV6_MIN_MTU = 1280
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ROUTER_MARK_MASK = "0xffff"
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# Agent states as detected by server, used to reply on agent's state report
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# agent has just been registered
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AGENT_NEW = 'new'
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# agent is alive
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AGENT_ALIVE = 'alive'
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# agent has just returned to alive after being dead
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AGENT_REVIVED = 'revived'
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# Neutron-lib migration shim. This will wrap any constants that are moved
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# to that library in a deprecation warning, until they can be updated to
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# import directly from their new location.
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# If you're wondering why we bother saving _OLD_REF, it is because if we
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# do not, then the original module we are overwriting gets garbage collected,
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# and then you will find some super strange behavior with inherited classes
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# and the like. Saving a ref keeps it around.
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# WARNING: THESE MUST BE THE LAST TWO LINES IN THIS MODULE
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_OLD_REF = sys.modules[__name__]
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sys.modules[__name__] = _deprecate._DeprecateSubset(globals(), lib_constants)
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# WARNING: THESE MUST BE THE LAST TWO LINES IN THIS MODULE
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