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-rw-r--r--python/vyos/configdict.py29
-rw-r--r--python/vyos/ifconfig/interface.py20
-rw-r--r--python/vyos/ifconfig/section.py21
-rw-r--r--python/vyos/ifconfig_vlan.py68
-rw-r--r--python/vyos/util.py71
-rw-r--r--python/vyos/validate.py66
6 files changed, 238 insertions, 37 deletions
diff --git a/python/vyos/configdict.py b/python/vyos/configdict.py
index e1b704a31..5ab831258 100644
--- a/python/vyos/configdict.py
+++ b/python/vyos/configdict.py
@@ -23,7 +23,8 @@ from copy import deepcopy
from vyos import ConfigError
from vyos.ifconfig import Interface
-
+from vyos.validate import is_member
+from vyos.util import ifname_from_config
def retrieve_config(path_hash, base_path, config):
"""
@@ -128,6 +129,7 @@ vlan_default = {
'ipv6_dup_addr_detect': 1,
'ingress_qos': '',
'ingress_qos_changed': False,
+ 'is_bridge_member': False,
'mac': '',
'mtu': 1500,
'vif_c': [],
@@ -197,6 +199,7 @@ def intf_to_dict(conf, default):
"""
intf = deepcopy(default)
+ intf['intf'] = ifname_from_config(conf)
# retrieve configured interface addresses
if conf.exists('address'):
@@ -263,15 +266,18 @@ def intf_to_dict(conf, default):
if conf.exists('ipv6 disable-forwarding'):
intf['ipv6_forwarding'] = 0
- # Media Access Control (MAC) address
- if conf.exists('mac'):
- intf['mac'] = conf.return_value('mac')
+ # check if interface is member of a bridge
+ intf['is_bridge_member'] = is_member(conf, intf['intf'], 'bridge')
# IPv6 Duplicate Address Detection (DAD) tries
if conf.exists('ipv6 dup-addr-detect-transmits'):
intf['ipv6_dup_addr_detect'] = int(
conf.return_value('ipv6 dup-addr-detect-transmits'))
+ # Media Access Control (MAC) address
+ if conf.exists('mac'):
+ intf['mac'] = conf.return_value('mac')
+
# Maximum Transmission Unit (MTU)
if conf.exists('mtu'):
intf['mtu'] = int(conf.return_value('mtu'))
@@ -338,14 +344,15 @@ def intf_to_dict(conf, default):
intf['ipv6_eui64_prefix'] = act_eui
intf['ipv6_eui64_prefix_remove'] = list_diff(eff_eui, act_eui)
- # Remove the default link-local address if set.
- if conf.exists('ipv6 address no-default-link-local'):
+ # Remove the default link-local address if set or if member of a bridge
+ if ( conf.exists('ipv6 address no-default-link-local')
+ or intf.get('is_bridge_member') ):
intf['ipv6_eui64_prefix_remove'].append('fe80::/64')
else:
# add the link-local by default to make IPv6 work
intf['ipv6_eui64_prefix'].append('fe80::/64')
- # Find out if MAC has changed
+ # If MAC has changed, remove and re-add all IPv6 EUI64 addresses
try:
interface = Interface(intf['intf'], create=False)
if intf['mac'] and intf['mac'] != interface.get_mac():
@@ -416,13 +423,13 @@ def add_to_dict(conf, disabled, ifdict, section, key):
def vlan_to_dict(conf, default=vlan_default):
vlan, disabled = intf_to_dict(conf, default)
- # get the '100' in 'interfaces bonding bond0 vif-s 100
- vlan['id'] = conf.get_level()[-1]
- current_level = conf.get_level()
+ level = conf.get_level()
+ # get the '100' in 'interfaces bonding bond0 vif-s 100'
+ vlan['id'] = level[-1]
# if this is a not within vif-s node, we are done
- if current_level[-2] != 'vif-s':
+ if level[-2] != 'vif-s':
return vlan
# ethertype is mandatory on vif-s nodes and only exists here!
diff --git a/python/vyos/ifconfig/interface.py b/python/vyos/ifconfig/interface.py
index 5b3da228e..7b42e3399 100644
--- a/python/vyos/ifconfig/interface.py
+++ b/python/vyos/ifconfig/interface.py
@@ -42,6 +42,7 @@ from vyos.ifconfig.control import Control
from vyos.ifconfig.dhcp import DHCP
from vyos.ifconfig.vrrp import VRRP
from vyos.ifconfig.operational import Operational
+from vyos.ifconfig import Section
class Interface(Control):
@@ -718,3 +719,22 @@ class Interface(Control):
# flush all addresses
self._cmd(f'ip addr flush dev "{self.ifname}"')
+
+ def add_to_bridge(self, br):
+ """
+ Adds the interface to the bridge with the passed port config.
+
+ Returns False if bridge doesn't exist.
+ """
+
+ # check if the bridge exists (on boot it doesn't)
+ if br not in Section.interfaces('bridge'):
+ return False
+
+ self.flush_addrs()
+ # add interface to bridge - use Section.klass to get BridgeIf class
+ Section.klass(br)(br, create=False).add_port(self.ifname)
+
+ # TODO: port config (STP)
+
+ return True
diff --git a/python/vyos/ifconfig/section.py b/python/vyos/ifconfig/section.py
index 092236fef..926c22e8a 100644
--- a/python/vyos/ifconfig/section.py
+++ b/python/vyos/ifconfig/section.py
@@ -54,7 +54,7 @@ class Section:
name = name.rstrip('0123456789')
name = name.rstrip('.')
if vlan:
- name = name.rstrip('0123456789')
+ name = name.rstrip('0123456789.')
return name
@classmethod
@@ -137,3 +137,22 @@ class Section:
eth, lo, vxlan, dum, ...
"""
return list(cls._prefixes.keys())
+
+ @classmethod
+ def get_config_path(cls, name):
+ """
+ get config path to interface with .vif or .vif-s.vif-c
+ example: eth0.1.2 -> 'ethernet eth0 vif-s 1 vif-c 2'
+ Returns False if interface name is invalid (not found in sections)
+ """
+ sect = cls.section(name)
+ if sect:
+ splinterface = name.split('.')
+ intfpath = f'{sect} {splinterface[0]}'
+ if len(splinterface) == 2:
+ intfpath += f' vif {splinterface[1]}'
+ elif len(splinterface) == 3:
+ intfpath += f' vif-s {splinterface[1]} vif-c {splinterface[2]}'
+ return intfpath
+ else:
+ return False
diff --git a/python/vyos/ifconfig_vlan.py b/python/vyos/ifconfig_vlan.py
index ee009f7f9..eb7a369ec 100644
--- a/python/vyos/ifconfig_vlan.py
+++ b/python/vyos/ifconfig_vlan.py
@@ -63,8 +63,10 @@ def apply_vlan_config(vlan, config):
# Maximum Transmission Unit (MTU)
vlan.set_mtu(config['mtu'])
- # assign/remove VRF
- vlan.set_vrf(config['vrf'])
+ # assign/remove VRF (ONLY when not a member of a bridge,
+ # otherwise 'nomaster' removes it from it)
+ if not config['is_bridge_member']:
+ vlan.set_vrf(config['vrf'])
# Delete old IPv6 EUI64 addresses before changing MAC
for addr in config['ipv6_eui64_prefix_remove']:
@@ -92,6 +94,10 @@ def apply_vlan_config(vlan, config):
for addr in config['address']:
vlan.add_addr(addr)
+ # re-add ourselves to any bridge we might have fallen out of
+ if config['is_bridge_member']:
+ vlan.add_to_bridge(config['is_bridge_member'])
+
def verify_vlan_config(config):
"""
Generic function to verify VLAN config consistency. Instead of re-
@@ -103,9 +109,22 @@ def verify_vlan_config(config):
if vif['dhcpv6_prm_only'] and vif['dhcpv6_temporary']:
raise ConfigError('DHCPv6 temporary and parameters-only options are mutually exclusive!')
- vrf_name = vif['vrf']
- if vrf_name and vrf_name not in interfaces():
- raise ConfigError(f'VRF "{vrf_name}" does not exist')
+ if ( vif['is_bridge_member']
+ and ( vif['address']
+ or vif['ipv6_eui64_prefix']
+ or vif['ipv6_autoconf'] ) ):
+ raise ConfigError((
+ f'Cannot assign address to vif interface {vif["intf"]} '
+ f'which is a member of bridge {vif["is_bridge_member"]}'))
+
+ if vif['vrf']:
+ if vif['vrf'] not in interfaces():
+ raise ConfigError(f'VRF "{vif["vrf"]}" does not exist')
+
+ if vif['is_bridge_member']:
+ raise ConfigError((
+ f'vif {vif["intf"]} cannot be member of VRF {vif["vrf"]} '
+ f'and bridge {vif["is_bridge_member"]} at the same time!'))
# e.g. wireless interface has no vif_s support
# thus we bail out eraly.
@@ -121,17 +140,42 @@ def verify_vlan_config(config):
if vif_s['dhcpv6_prm_only'] and vif_s['dhcpv6_temporary']:
raise ConfigError('DHCPv6 temporary and parameters-only options are mutually exclusive!')
- vrf_name = vif_s['vrf']
- if vrf_name and vrf_name not in interfaces():
- raise ConfigError(f'VRF "{vrf_name}" does not exist')
+ if ( vif_s['is_bridge_member']
+ and ( vif_s['address']
+ or vif_s['ipv6_eui64_prefix']
+ or vif_s['ipv6_autoconf'] ) ):
+ raise ConfigError((
+ f'Cannot assign address to vif-s interface {vif_s["intf"]} '
+ f'which is a member of bridge {vif_s["is_bridge_member"]}'))
+
+ if vif_s['vrf']:
+ if vif_s['vrf'] not in interfaces():
+ raise ConfigError(f'VRF "{vif_s["vrf"]}" does not exist')
+
+ if vif_s['is_bridge_member']:
+ raise ConfigError((
+ f'vif-s {vif_s["intf"]} cannot be member of VRF {vif_s["vrf"]} '
+ f'and bridge {vif_s["is_bridge_member"]} at the same time!'))
for vif_c in vif_s['vif_c']:
# DHCPv6 parameters-only and temporary address are mutually exclusive
if vif_c['dhcpv6_prm_only'] and vif_c['dhcpv6_temporary']:
raise ConfigError('DHCPv6 temporary and parameters-only options are mutually exclusive!')
- vrf_name = vif_c['vrf']
- if vrf_name and vrf_name not in interfaces():
- raise ConfigError(f'VRF "{vrf_name}" does not exist')
-
+ if ( vif_c['is_bridge_member']
+ and ( vif_c['address']
+ or vif_c['ipv6_eui64_prefix']
+ or vif_c['ipv6_autoconf'] ) ):
+ raise ConfigError((
+ f'Cannot assign address to vif-c interface {vif_c["intf"]} '
+ f'which is a member of bridge {vif_c["is_bridge_member"]}'))
+
+ if vif_c['vrf']:
+ if vif_c['vrf'] not in interfaces():
+ raise ConfigError(f'VRF "{vif_c["vrf"]}" does not exist')
+
+ if vif_c['is_bridge_member']:
+ raise ConfigError((
+ f'vif-c {vif_c["intf"]} cannot be member of VRF {vif_c["vrf"]} '
+ f'and bridge {vif_c["is_bridge_member"]} at the same time!'))
diff --git a/python/vyos/util.py b/python/vyos/util.py
index 92b6f7992..e598e0ff3 100644
--- a/python/vyos/util.py
+++ b/python/vyos/util.py
@@ -498,3 +498,74 @@ def get_half_cpus():
if cpu > 1:
cpu /= 2
return int(cpu)
+
+def ifname_from_config(conf):
+ """
+ Gets interface name with VLANs from current config level.
+ Level must be at the interface whose name we want.
+
+ Example:
+ >>> from vyos.util import ifname_from_config
+ >>> from vyos.config import Config
+ >>> conf = Config()
+ >>> conf.set_level('interfaces ethernet eth0 vif-s 1 vif-c 2')
+ >>> ifname_from_config(conf)
+ 'eth0.1.2'
+ """
+ level = conf.get_level()
+
+ # vlans
+ if level[-2] == 'vif' or level[-2] == 'vif-s':
+ return level[-3] + '.' + level[-1]
+ if level[-2] == 'vif-c':
+ return level[-5] + '.' + level[-3] + '.' + level[-1]
+
+ # no vlans
+ return level[-1]
+
+def get_bridge_member_config(conf, br, intf):
+ """
+ Gets bridge port (member) configuration
+
+ Arguments:
+ conf: Config
+ br: bridge name
+ intf: interface name
+
+ Returns:
+ dict with the configuration
+ False if bridge or bridge port doesn't exist
+ """
+ old_level = conf.get_level()
+ conf.set_level([])
+
+ bridge = f'interfaces bridge {br}'
+ member = f'{bridge} member interface {intf}'
+ if not ( conf.exists(bridge) and conf.exists(member) ):
+ return False
+
+ # default bridge port configuration
+ # cost and priority initialized with linux defaults
+ # by reading /sys/devices/virtual/net/br0/brif/eth2/{path_cost,priority}
+ # after adding interface to bridge after reboot
+ memberconf = {
+ 'cost': 100,
+ 'priority': 32,
+ 'arp_cache_tmo': 30,
+ 'disable_link_detect': 1,
+ }
+
+ if conf.exists(f'{member} cost'):
+ memberconf['cost'] = int(conf.return_value(f'{member} cost'))
+
+ if conf.exists(f'{member} priority'):
+ memberconf['priority'] = int(conf.return_value(f'{member} priority'))
+
+ if conf.exists(f'{bridge} ip arp-cache-timeout'):
+ memberconf['arp_cache_tmo'] = int(conf.return_value(f'{bridge} ip arp-cache-timeout'))
+
+ if conf.exists(f'{bridge} disable-link-detect'):
+ memberconf['disable_link_detect'] = 2
+
+ conf.set_level(old_level)
+ return memberconf
diff --git a/python/vyos/validate.py b/python/vyos/validate.py
index 446f6e4ca..e083604c5 100644
--- a/python/vyos/validate.py
+++ b/python/vyos/validate.py
@@ -241,26 +241,66 @@ def assert_mac(m):
if octets[:5] == (0, 0, 94, 0, 1):
raise ValueError(f'{m} is a VRRP MAC address')
-def is_bridge_member(conf, interface):
+def is_member(conf, interface, intftype=None):
"""
- Checks if passed interfaces is part of a bridge device or not.
-
- Returns a tuple:
- None -> Interface not a bridge member
- Bridge -> Interface is a member of this bridge
+ Checks if passed interface is member of other interface of specified type.
+ intftype is optional, if not passed it will search all known types
+ (currently bridge and bonding)
+
+ Returns:
+ None -> Interface is not a member
+ interface name -> Interface is a member of this interface
+ False -> interface type cannot have members
"""
ret_val = None
- old_level = conf.get_level()
+
+ if intftype not in ['bonding', 'bridge', None]:
+ raise ValueError((
+ f'unknown interface type "{intftype}" or it cannot '
+ f'have member interfaces'))
+
+ intftype = ['bonding', 'bridge'] if intftype == None else [intftype]
# set config level to root
+ old_level = conf.get_level()
conf.set_level([])
- base = ['interfaces', 'bridge']
- for bridge in conf.list_nodes(base):
- members = conf.list_nodes(base + [bridge, 'member', 'interface'])
- if interface in members:
- ret_val = bridge
- break
+
+ for it in intftype:
+ base = 'interfaces ' + it
+ for intf in conf.list_nodes(base):
+ memberintf = f'{base} {intf} member interface'
+ if conf.is_tag(memberintf):
+ if interface in conf.list_nodes(memberintf):
+ ret_val = intf
+ break
+ elif conf.is_leaf(memberintf):
+ if ( conf.exists(memberintf) and
+ interface in conf.return_values(memberintf) ):
+ ret_val = intf
+ break
old_level = conf.set_level(old_level)
return ret_val
+def has_address_configured(conf, intf):
+ """
+ Checks if interface has an address configured.
+ Checks the following config nodes:
+ 'address', 'ipv6 address eui64', 'ipv6 address autoconf'
+
+ Returns True if interface has address configured, False if it doesn't.
+ """
+ from vyos.ifconfig import Section
+ ret = False
+
+ old_level = conf.get_level()
+ conf.set_level([])
+
+ intfpath = 'interfaces ' + Section.get_config_path(intf)
+ if ( conf.exists(f'{intfpath} address') or
+ conf.exists(f'{intfpath} ipv6 address autoconf') or
+ conf.exists(f'{intfpath} ipv6 address eui64') ):
+ ret = True
+
+ conf.set_level(old_level)
+ return ret