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-rwxr-xr-xsrc/conf_mode/protocols_rip.py317
1 files changed, 317 insertions, 0 deletions
diff --git a/src/conf_mode/protocols_rip.py b/src/conf_mode/protocols_rip.py
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+++ b/src/conf_mode/protocols_rip.py
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+#!/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("sudo 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)
+