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Diffstat (limited to 'src/conf_mode/protocols_rip.py')
| -rwxr-xr-x | src/conf_mode/protocols_rip.py | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/src/conf_mode/protocols_rip.py b/src/conf_mode/protocols_rip.py new file mode 100755 index 000000000..4f8816d61 --- /dev/null +++ b/src/conf_mode/protocols_rip.py @@ -0,0 +1,317 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2020 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 +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# 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 os + +from sys import exit + +from vyos import ConfigError +from vyos.config import Config +from vyos.util import call +from vyos.template import render + +from vyos import airbag +airbag.enable() + +config_file = r'/tmp/ripd.frr' + +def get_config(): + conf = Config() + base = ['protocols', 'rip'] + rip_conf = { + 'rip_conf' : False, + 'default_distance' : [], + 'default_originate' : False, + 'old_rip' : { + 'default_metric' : [], + 'distribute' : {}, + 'neighbors' : {}, + 'networks' : {}, + 'net_distance' : {}, + 'passive_iface' : {}, + 'redist' : {}, + 'route' : {}, + 'ifaces' : {}, + 'timer_garbage' : 120, + 'timer_timeout' : 180, + 'timer_update' : 30 + }, + 'rip' : { + 'default_metric' : None, + 'distribute' : {}, + 'neighbors' : {}, + 'networks' : {}, + 'net_distance' : {}, + 'passive_iface' : {}, + 'redist' : {}, + 'route' : {}, + 'ifaces' : {}, + 'timer_garbage' : 120, + 'timer_timeout' : 180, + 'timer_update' : 30 + } + } + + if not (conf.exists(base) or conf.exists_effective(base)): + return None + + if conf.exists(base): + rip_conf['rip_conf'] = True + + conf.set_level(base) + + # Get default distance + if conf.exists_effective('default-distance'): + rip_conf['old_default_distance'] = conf.return_effective_value('default-distance') + + if conf.exists('default-distance'): + rip_conf['default_distance'] = conf.return_value('default-distance') + + # Get default information originate (originate default route) + if conf.exists_effective('default-information originate'): + rip_conf['old_default_originate'] = True + + if conf.exists('default-information originate'): + rip_conf['default_originate'] = True + + # Get default-metric + if conf.exists_effective('default-metric'): + rip_conf['old_rip']['default_metric'] = conf.return_effective_value('default-metric') + + if conf.exists('default-metric'): + rip_conf['rip']['default_metric'] = conf.return_value('default-metric') + + # Get distribute list interface old_rip + for dist_iface in conf.list_effective_nodes('distribute-list interface'): + # Set level 'distribute-list interface ethX' + conf.set_level((str(base)) + ' distribute-list interface ' + dist_iface) + rip_conf['rip']['distribute'].update({ + dist_iface : { + 'iface_access_list_in': conf.return_effective_value('access-list in'.format(dist_iface)), + 'iface_access_list_out': conf.return_effective_value('access-list out'.format(dist_iface)), + 'iface_prefix_list_in': conf.return_effective_value('prefix-list in'.format(dist_iface)), + 'iface_prefix_list_out': conf.return_effective_value('prefix-list out'.format(dist_iface)) + } + }) + + # Access-list in old_rip + if conf.exists_effective('access-list in'.format(dist_iface)): + rip_conf['old_rip']['iface_access_list_in'] = conf.return_effective_value('access-list in'.format(dist_iface)) + # Access-list out old_rip + if conf.exists_effective('access-list out'.format(dist_iface)): + rip_conf['old_rip']['iface_access_list_out'] = conf.return_effective_value('access-list out'.format(dist_iface)) + # Prefix-list in old_rip + if conf.exists_effective('prefix-list in'.format(dist_iface)): + rip_conf['old_rip']['iface_prefix_list_in'] = conf.return_effective_value('prefix-list in'.format(dist_iface)) + # Prefix-list out old_rip + if conf.exists_effective('prefix-list out'.format(dist_iface)): + rip_conf['old_rip']['iface_prefix_list_out'] = conf.return_effective_value('prefix-list out'.format(dist_iface)) + + conf.set_level(base) + + # Get distribute list interface + for dist_iface in conf.list_nodes('distribute-list interface'): + # Set level 'distribute-list interface ethX' + conf.set_level((str(base)) + ' distribute-list interface ' + dist_iface) + rip_conf['rip']['distribute'].update({ + dist_iface : { + 'iface_access_list_in': conf.return_value('access-list in'.format(dist_iface)), + 'iface_access_list_out': conf.return_value('access-list out'.format(dist_iface)), + 'iface_prefix_list_in': conf.return_value('prefix-list in'.format(dist_iface)), + 'iface_prefix_list_out': conf.return_value('prefix-list out'.format(dist_iface)) + } + }) + + # Access-list in + if conf.exists('access-list in'.format(dist_iface)): + rip_conf['rip']['iface_access_list_in'] = conf.return_value('access-list in'.format(dist_iface)) + # Access-list out + if conf.exists('access-list out'.format(dist_iface)): + rip_conf['rip']['iface_access_list_out'] = conf.return_value('access-list out'.format(dist_iface)) + # Prefix-list in + if conf.exists('prefix-list in'.format(dist_iface)): + rip_conf['rip']['iface_prefix_list_in'] = conf.return_value('prefix-list in'.format(dist_iface)) + # Prefix-list out + if conf.exists('prefix-list out'.format(dist_iface)): + rip_conf['rip']['iface_prefix_list_out'] = conf.return_value('prefix-list out'.format(dist_iface)) + + conf.set_level((str(base)) + ' distribute-list') + + # Get distribute list, access-list in + if conf.exists_effective('access-list in'): + rip_conf['old_rip']['dist_acl_in'] = conf.return_effective_value('access-list in') + + if conf.exists('access-list in'): + rip_conf['rip']['dist_acl_in'] = conf.return_value('access-list in') + + # Get distribute list, access-list out + if conf.exists_effective('access-list out'): + rip_conf['old_rip']['dist_acl_out'] = conf.return_effective_value('access-list out') + + if conf.exists('access-list out'): + rip_conf['rip']['dist_acl_out'] = conf.return_value('access-list out') + + # Get ditstribute list, prefix-list in + if conf.exists_effective('prefix-list in'): + rip_conf['old_rip']['dist_prfx_in'] = conf.return_effective_value('prefix-list in') + + if conf.exists('prefix-list in'): + rip_conf['rip']['dist_prfx_in'] = conf.return_value('prefix-list in') + + # Get distribute list, prefix-list out + if conf.exists_effective('prefix-list out'): + rip_conf['old_rip']['dist_prfx_out'] = conf.return_effective_value('prefix-list out') + + if conf.exists('prefix-list out'): + rip_conf['rip']['dist_prfx_out'] = conf.return_value('prefix-list out') + + conf.set_level(base) + + # Get network Interfaces + if conf.exists_effective('interface'): + rip_conf['old_rip']['ifaces'] = conf.return_effective_values('interface') + + if conf.exists('interface'): + rip_conf['rip']['ifaces'] = conf.return_values('interface') + + # Get neighbors + if conf.exists_effective('neighbor'): + rip_conf['old_rip']['neighbors'] = conf.return_effective_values('neighbor') + + if conf.exists('neighbor'): + rip_conf['rip']['neighbors'] = conf.return_values('neighbor') + + # Get networks + if conf.exists_effective('network'): + rip_conf['old_rip']['networks'] = conf.return_effective_values('network') + + if conf.exists('network'): + rip_conf['rip']['networks'] = conf.return_values('network') + + # Get network-distance old_rip + for net_dist in conf.list_effective_nodes('network-distance'): + rip_conf['old_rip']['net_distance'].update({ + net_dist : { + 'access_list' : conf.return_effective_value('network-distance {0} access-list'.format(net_dist)), + 'distance' : conf.return_effective_value('network-distance {0} distance'.format(net_dist)), + } + }) + + # Get network-distance + for net_dist in conf.list_nodes('network-distance'): + rip_conf['rip']['net_distance'].update({ + net_dist : { + 'access_list' : conf.return_value('network-distance {0} access-list'.format(net_dist)), + 'distance' : conf.return_value('network-distance {0} distance'.format(net_dist)), + } + }) + + # Get passive-interface + if conf.exists_effective('passive-interface'): + rip_conf['old_rip']['passive_iface'] = conf.return_effective_values('passive-interface') + + if conf.exists('passive-interface'): + rip_conf['rip']['passive_iface'] = conf.return_values('passive-interface') + + # Get redistribute for old_rip + for protocol in conf.list_effective_nodes('redistribute'): + rip_conf['old_rip']['redist'].update({ + protocol : { + 'metric' : conf.return_effective_value('redistribute {0} metric'.format(protocol)), + 'route_map' : conf.return_effective_value('redistribute {0} route-map'.format(protocol)), + } + }) + + # Get redistribute + for protocol in conf.list_nodes('redistribute'): + rip_conf['rip']['redist'].update({ + protocol : { + 'metric' : conf.return_value('redistribute {0} metric'.format(protocol)), + 'route_map' : conf.return_value('redistribute {0} route-map'.format(protocol)), + } + }) + + conf.set_level(base) + + # Get route + if conf.exists_effective('route'): + rip_conf['old_rip']['route'] = conf.return_effective_values('route') + + if conf.exists('route'): + rip_conf['rip']['route'] = conf.return_values('route') + + # Get timers garbage + if conf.exists_effective('timers garbage-collection'): + rip_conf['old_rip']['timer_garbage'] = conf.return_effective_value('timers garbage-collection') + + if conf.exists('timers garbage-collection'): + rip_conf['rip']['timer_garbage'] = conf.return_value('timers garbage-collection') + + # Get timers timeout + if conf.exists_effective('timers timeout'): + rip_conf['old_rip']['timer_timeout'] = conf.return_effective_value('timers timeout') + + if conf.exists('timers timeout'): + rip_conf['rip']['timer_timeout'] = conf.return_value('timers timeout') + + # Get timers update + if conf.exists_effective('timers update'): + rip_conf['old_rip']['timer_update'] = conf.return_effective_value('timers update') + + if conf.exists('timers update'): + rip_conf['rip']['timer_update'] = conf.return_value('timers update') + + return rip_conf + +def verify(rip): + if rip is None: + return None + + # Check for network. If network-distance acl is set and distance not set + for net in rip['rip']['net_distance']: + if not rip['rip']['net_distance'][net]['distance']: + raise ConfigError(f"Must specify distance for network {net}") + +def generate(rip): + if rip is None: + return None + + render(config_file, 'frr/rip.frr.tmpl', rip) + return None + +def apply(rip): + if rip is None: + return None + + if os.path.exists(config_file): + call(f'vtysh -d ripd -f {config_file}') + os.remove(config_file) + else: + print("File {0} not found".format(config_file)) + + + return None + +if __name__ == '__main__': + try: + c = get_config() + verify(c) + generate(c) + apply(c) + except ConfigError as e: + print(e) + exit(1) + |