173 lines
6.2 KiB
Python
173 lines
6.2 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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from neutron_lib import constants as lib_constants
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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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ROUTER_STATUS_ERROR = 'ERROR'
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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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DVR_SNAT_BOUND = 'dvr_snat_bound'
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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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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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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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# When using iptables-save we specify '-p {proto} -m {module}',
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# but sometimes those values are not identical. This is a map
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# of known protocols that require a '-m {module}', along with
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# the module name that should be used.
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IPTABLES_PROTOCOL_MAP = {lib_constants.PROTO_NAME_DCCP: 'dccp',
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lib_constants.PROTO_NAME_ICMP: 'icmp',
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lib_constants.PROTO_NAME_IPV6_ICMP: 'icmp6',
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lib_constants.PROTO_NAME_SCTP: 'sctp',
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lib_constants.PROTO_NAME_TCP: 'tcp',
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lib_constants.PROTO_NAME_UDP: 'udp'}
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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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# length of all device prefixes (e.g. qvo, tap, qvb)
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LINUX_DEV_PREFIX_LEN = 3
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# must be shorter than linux IFNAMSIZ (which is 16)
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LINUX_DEV_LEN = 14
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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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PORT_RANGE_MIN = 1
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PORT_RANGE_MAX = 65535
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# Configuration values for accept_ra sysctl, copied from linux kernel
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# networking (netdev) tree, file Documentation/networking/ip-sysctl.txt
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#
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# Possible values are:
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# 0 Do not accept Router Advertisements.
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# 1 Accept Router Advertisements if forwarding is disabled.
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# 2 Overrule forwarding behaviour. Accept Router Advertisements
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# even if forwarding is enabled.
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ACCEPT_RA_DISABLED = 0
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ACCEPT_RA_WITHOUT_FORWARDING = 1
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ACCEPT_RA_WITH_FORWARDING = 2
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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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# The only defined IpamAllocation status at this stage is 'ALLOCATED'.
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# More states will be available in the future - e.g.: RECYCLABLE
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IPAM_ALLOCATION_STATUS_ALLOCATED = 'ALLOCATED'
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VALID_IPAM_ALLOCATION_STATUSES = (IPAM_ALLOCATION_STATUS_ALLOCATED,)
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# Port binding states for Live Migration
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PORT_BINDING_STATUS_ACTIVE = 'ACTIVE'
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PORT_BINDING_STATUS_INACTIVE = 'INACTIVE'
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PORT_BINDING_STATUSES = (PORT_BINDING_STATUS_ACTIVE,
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PORT_BINDING_STATUS_INACTIVE)
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# Possible types of values (e.g. in QoS rule types)
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VALUES_TYPE_CHOICES = "choices"
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VALUES_TYPE_RANGE = "range"
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