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-rwxr-xr-xsrc/conf_mode/arp.py108
1 files changed, 35 insertions, 73 deletions
diff --git a/src/conf_mode/arp.py b/src/conf_mode/arp.py
index aac07bd80..51a08bee5 100755
--- a/src/conf_mode/arp.py
+++ b/src/conf_mode/arp.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2018 VyOS maintainers and contributors
+# Copyright (C) 2018-2022 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -13,92 +13,54 @@
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-#
-import sys
-import os
-import re
-import syslog as sl
+from sys import exit
from vyos.config import Config
+from vyos.configdict import node_changed
from vyos.util import call
from vyos import ConfigError
-
from vyos import airbag
airbag.enable()
-arp_cmd = '/usr/sbin/arp'
-
-def get_config():
- c = Config()
- if not c.exists('protocols static arp'):
- return None
-
- c.set_level('protocols static')
- config_data = {}
-
- for ip_addr in c.list_nodes('arp'):
- config_data.update(
- {
- ip_addr : c.return_value('arp ' + ip_addr + ' hwaddr')
- }
- )
-
- return config_data
+def get_config(config=None):
+ if config:
+ conf = config
+ else:
+ conf = Config()
-def generate(c):
- c_eff = Config()
- c_eff.set_level('protocols static')
- c_eff_cnf = {}
- for ip_addr in c_eff.list_effective_nodes('arp'):
- c_eff_cnf.update(
- {
- ip_addr : c_eff.return_effective_value('arp ' + ip_addr + ' hwaddr')
- }
- )
+ base = ['protocols', 'static', 'arp']
+ arp = conf.get_config_dict(base)
+ tmp = node_changed(conf, base)
+ if tmp: arp.update({'removed' : node_changed(conf, base)})
- config_data = {
- 'remove' : [],
- 'update' : {}
- }
- ### removal
- if c == None:
- for ip_addr in c_eff_cnf:
- config_data['remove'].append(ip_addr)
- else:
- for ip_addr in c_eff_cnf:
- if not ip_addr in c or c[ip_addr] == None:
- config_data['remove'].append(ip_addr)
+ return arp
- ### add/update
- if c != None:
- for ip_addr in c:
- if not ip_addr in c_eff_cnf:
- config_data['update'][ip_addr] = c[ip_addr]
- if ip_addr in c_eff_cnf:
- if c[ip_addr] != c_eff_cnf[ip_addr] and c[ip_addr] != None:
- config_data['update'][ip_addr] = c[ip_addr]
+def verify(arp):
+ pass
- return config_data
+def generate(arp):
+ pass
-def apply(c):
- for ip_addr in c['remove']:
- sl.syslog(sl.LOG_NOTICE, "arp -d " + ip_addr)
- call(f'{arp_cmd} -d {ip_addr} >/dev/null 2>&1')
+def apply(arp):
+ if not arp:
+ return None
- for ip_addr in c['update']:
- sl.syslog(sl.LOG_NOTICE, "arp -s " + ip_addr + " " + c['update'][ip_addr])
- updated = c['update'][ip_addr]
- call(f'{arp_cmd} -s {ip_addr} {updated}')
+ if 'removed' in arp:
+ for host in arp['removed']:
+ call(f'arp --delete {host}')
+ if 'arp' in arp:
+ for host, host_config in arp['arp'].items():
+ mac = host_config['hwaddr']
+ call(f'arp --set {host} {mac}')
if __name__ == '__main__':
- try:
- c = get_config()
- ## syntax verification is done via cli
- config = generate(c)
- apply(config)
- except ConfigError as e:
- print(e)
- sys.exit(1)
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)