DEPRECATED, Neutron integration with OVN
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# 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 neutron_lib.api.definitions import portbindings
from neutron_lib import constants as const
import six
# TODO(lucasagomes): Remove OVN_SG_NAME_EXT_ID_KEY in the Rocky release
OVN_SG_NAME_EXT_ID_KEY = 'neutron:security_group_name'
OVN_SG_EXT_ID_KEY = 'neutron:security_group_id'
OVN_SG_RULE_EXT_ID_KEY = 'neutron:security_group_rule_id'
OVN_ML2_MECH_DRIVER_NAME = 'ovn'
OVN_NETWORK_NAME_EXT_ID_KEY = 'neutron:network_name'
OVN_NETWORK_MTU_EXT_ID_KEY = 'neutron:mtu'
OVN_PORT_NAME_EXT_ID_KEY = 'neutron:port_name'
OVN_PORT_FIP_EXT_ID_KEY = 'neutron:port_fip'
OVN_ROUTER_NAME_EXT_ID_KEY = 'neutron:router_name'
OVN_ROUTER_IS_EXT_GW = 'neutron:is_ext_gw'
OVN_GW_PORT_EXT_ID_KEY = 'neutron:gw_port_id'
OVN_SUBNET_EXT_ID_KEY = 'neutron:subnet_id'
OVN_SUBNET_EXT_IDS_KEY = 'neutron:subnet_ids'
OVN_PHYSNET_EXT_ID_KEY = 'neutron:provnet-physical-network'
OVN_NETTYPE_EXT_ID_KEY = 'neutron:provnet-network-type'
OVN_SEGID_EXT_ID_KEY = 'neutron:provnet-segmentation-id'
OVN_PROJID_EXT_ID_KEY = 'neutron:project_id'
OVN_DEVID_EXT_ID_KEY = 'neutron:device_id'
OVN_CIDRS_EXT_ID_KEY = 'neutron:cidrs'
OVN_FIP_EXT_ID_KEY = 'neutron:fip_id'
OVN_FIP_PORT_EXT_ID_KEY = 'neutron:fip_port_id'
OVN_FIP_EXT_MAC_KEY = 'neutron:fip_external_mac'
OVN_REV_NUM_EXT_ID_KEY = 'neutron:revision_number'
OVN_QOS_POLICY_EXT_ID_KEY = 'neutron:qos_policy_id'
OVN_SG_IDS_EXT_ID_KEY = 'neutron:security_group_ids'
OVN_DEVICE_OWNER_EXT_ID_KEY = 'neutron:device_owner'
OVN_LIVENESS_CHECK_EXT_ID_KEY = 'neutron:liveness_check_at'
OVN_PORT_BINDING_PROFILE = portbindings.PROFILE
OVN_PORT_BINDING_PROFILE_PARAMS = [{'parent_name': six.string_types,
'tag': six.integer_types},
{'vtep-physical-switch': six.string_types,
'vtep-logical-switch': six.string_types}]
MIGRATING_ATTR = 'migrating_to'
OVN_ROUTER_PORT_OPTION_KEYS = ['router-port', 'nat-addresses']
OVN_GATEWAY_CHASSIS_KEY = 'redirect-chassis'
OVN_CHASSIS_REDIRECT = 'chassisredirect'
OVN_GATEWAY_NAT_ADDRESSES_KEY = 'nat-addresses'
OVN_DROP_PORT_GROUP_NAME = 'neutron_pg_drop'
OVN_ROUTER_PORT_GW_MTU_OPTION = 'gateway_mtu'
OVN_PROVNET_PORT_NAME_PREFIX = 'provnet-'
# Agent extension constants
OVN_AGENT_DESC_KEY = 'neutron:description'
OVN_AGENT_METADATA_SB_CFG_KEY = 'neutron:ovn-metadata-sb-cfg'
OVN_AGENT_METADATA_DESC_KEY = 'neutron:description-metadata'
OVN_AGENT_METADATA_ID_KEY = 'neutron:ovn-metadata-id'
OVN_CONTROLLER_AGENT = 'OVN Controller agent'
OVN_CONTROLLER_GW_AGENT = 'OVN Controller Gateway agent'
OVN_METADATA_AGENT = 'OVN Metadata agent'
# OVN ACLs have priorities. The highest priority ACL that matches is the one
# that takes effect. Our choice of priority numbers is arbitrary, but it
# leaves room above and below the ACLs we create. We only need two priorities.
# The first is for all the things we allow. The second is for dropping traffic
# by default.
ACL_PRIORITY_ALLOW = 1002
ACL_PRIORITY_DROP = 1001
ACL_ACTION_DROP = 'drop'
ACL_ACTION_ALLOW_RELATED = 'allow-related'
ACL_ACTION_ALLOW = 'allow'
# When a OVN L3 gateway is created, it needs to be bound to a chassis. In
# case a chassis is not found OVN_GATEWAY_INVALID_CHASSIS will be set in
# the options column of the Logical Router. This value is used to detect
# unhosted router gateways to schedule.
OVN_GATEWAY_INVALID_CHASSIS = 'neutron-ovn-invalid-chassis'
SUPPORTED_DHCP_OPTS = {
4: ['netmask', 'router', 'dns-server', 'log-server',
'lpr-server', 'swap-server', 'ip-forward-enable',
'policy-filter', 'default-ttl', 'mtu', 'router-discovery',
'router-solicitation', 'arp-timeout', 'ethernet-encap',
'tcp-ttl', 'tcp-keepalive', 'nis-server', 'ntp-server',
'tftp-server'],
6: ['server-id', 'dns-server', 'domain-search']}
DHCPV6_STATELESS_OPT = 'dhcpv6_stateless'
# When setting global DHCP options, these options will be ignored
# as they are required for basic network functions and will be
# set by Neutron.
GLOBAL_DHCP_OPTS_BLACKLIST = {
4: ['server_id', 'lease_time', 'mtu', 'router', 'server_mac',
'dns_server', 'classless_static_route'],
6: ['dhcpv6_stateless', 'dns_server', 'server_id']}
CHASSIS_DATAPATH_NETDEV = 'netdev'
CHASSIS_IFACE_DPDKVHOSTUSER = 'dpdkvhostuser'
OVN_IPV6_ADDRESS_MODES = {
const.IPV6_SLAAC: const.IPV6_SLAAC,
const.DHCPV6_STATEFUL: const.DHCPV6_STATEFUL.replace('-', '_'),
const.DHCPV6_STATELESS: const.DHCPV6_STATELESS.replace('-', '_')
}
DB_MAX_RETRIES = 60
DB_INITIAL_RETRY_INTERVAL = 0.5
DB_MAX_RETRY_INTERVAL = 1
TXN_COMMITTED = 'committed'
INITIAL_REV_NUM = -1
ACL_EXPECTED_COLUMNS_NBDB = (
'external_ids', 'direction', 'log', 'priority',
'name', 'action', 'severity', 'match')
# Resource types
TYPE_NETWORKS = 'networks'
TYPE_PORTS = 'ports'
TYPE_SECURITY_GROUP_RULES = 'security_group_rules'
TYPE_ROUTERS = 'routers'
TYPE_ROUTER_PORTS = 'router_ports'
TYPE_SECURITY_GROUPS = 'security_groups'
TYPE_FLOATINGIPS = 'floatingips'
TYPE_SUBNETS = 'subnets'
_TYPES_PRIORITY_ORDER = (
TYPE_NETWORKS,
TYPE_SECURITY_GROUPS,
TYPE_SUBNETS,
TYPE_ROUTERS,
TYPE_PORTS,
TYPE_ROUTER_PORTS,
TYPE_FLOATINGIPS,
TYPE_SECURITY_GROUP_RULES)
# The order in which the resources should be created or updated by the
# maintenance task: Root ones first and leafs at the end.
MAINTENANCE_CREATE_UPDATE_TYPE_ORDER = {
t: n for n, t in enumerate(_TYPES_PRIORITY_ORDER, 1)}
# The order in which the resources should be deleted by the maintenance
# task: Leaf ones first and roots at the end.
MAINTENANCE_DELETE_TYPE_ORDER = {
t: n for n, t in enumerate(reversed(_TYPES_PRIORITY_ORDER), 1)}
# The addresses field to set in the logical switch port which has a
# peer router port (connecting to the logical router).
DEFAULT_ADDR_FOR_LSP_WITH_PEER = 'router'
# Loadbalancer constants
LRP_PREFIX = "lrp-"
LB_VIP_PORT_PREFIX = "ovn-lb-vip-"
# Hash Ring constants
HASH_RING_NODES_TIMEOUT = 60
HASH_RING_TOUCH_INTERVAL = 30
HASH_RING_CACHE_TIMEOUT = 30
HASH_RING_ML2_GROUP = 'mechanism_driver'
# Maximum chassis count where a gateway port can be hosted
MAX_GW_CHASSIS = 5
UNKNOWN_ADDR = 'unknown'
# TODO(lucasagomes): Create constants for other LSP types
LSP_TYPE_LOCALNET = 'localnet'