159 lines
5.7 KiB
Python
159 lines
5.7 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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ROUTER_STATUS_ACTIVE = 'ACTIVE'
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# NOTE(kevinbenton): a BUILD status for routers could be added in the future
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# for agents to indicate when they are wiring up the ports. The following is
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# to indicate when the server is busy building sub-components of a router
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ROUTER_STATUS_ALLOCATING = 'ALLOCATING'
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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_MINIMUM_AGENTS_FOR_HA = 1
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DEFAULT_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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AGENT_TYPE_MACVTAP = 'Macvtap agent'
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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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IP_PROTOCOL_NAME_ALIASES = {lib_constants.PROTO_NAME_IPV6_ICMP_LEGACY:
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lib_constants.PROTO_NAME_IPV6_ICMP}
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VALID_DSCP_MARKS = [0, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34,
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36, 38, 40, 46, 48, 56]
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IP_PROTOCOL_NUM_TO_NAME_MAP = {
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str(v): k for k, v in lib_constants.IP_PROTOCOL_MAP.items()}
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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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# 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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# 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,
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lib_constants.VETH_DEVICE_PREFIX,
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lib_constants.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 = 1500
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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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INGRESS_DIRECTION = 'ingress'
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EGRESS_DIRECTION = 'egress'
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VALID_DIRECTIONS = (INGRESS_DIRECTION, EGRESS_DIRECTION)
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VALID_ETHERTYPES = (lib_constants.IPv4, lib_constants.IPv6)
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IP_ALLOWED_VERSIONS = [lib_constants.IP_VERSION_4, lib_constants.IP_VERSION_6]
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# Some components communicate using private address ranges, define
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# them all here. These address ranges should not cause any issues
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# even if they overlap since they are used in disjoint namespaces,
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# but for now they are unique.
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# We define the metadata cidr since it falls in the range.
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PRIVATE_CIDR_RANGE = '169.254.0.0/16'
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DVR_FIP_LL_CIDR = '169.254.64.0/18'
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L3_HA_NET_CIDR = '169.254.192.0/18'
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METADATA_CIDR = '169.254.169.254/32'
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DEVICE_OWNER_BAREMETAL_PREFIX = "baremetal:"
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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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