diff options
Diffstat (limited to 'src')
-rwxr-xr-x | src/conf_mode/protocols_igmp.py | 140 | ||||
-rwxr-xr-x | src/conf_mode/protocols_pim.py | 34 | ||||
-rwxr-xr-x | src/migration-scripts/pim/0-to-1 | 72 |
3 files changed, 90 insertions, 156 deletions
diff --git a/src/conf_mode/protocols_igmp.py b/src/conf_mode/protocols_igmp.py deleted file mode 100755 index 435189025..000000000 --- a/src/conf_mode/protocols_igmp.py +++ /dev/null @@ -1,140 +0,0 @@ -#!/usr/bin/env python3 -# -# Copyright (C) 2020-2023 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 ipaddress import IPv4Address -from sys import exit - -from vyos import ConfigError -from vyos.config import Config -from vyos.utils.process import process_named_running -from vyos.utils.process import call -from vyos.template import render -from signal import SIGTERM - -from vyos import airbag -airbag.enable() - -# Required to use the full path to pimd, in another case daemon will not be started -pimd_cmd = f'/usr/lib/frr/pimd -d -F traditional --daemon -A 127.0.0.1' - -config_file = r'/tmp/igmp.frr' - -def get_config(config=None): - if config: - conf = config - else: - conf = Config() - igmp_conf = { - 'igmp_conf' : False, - 'pim_conf' : False, - 'igmp_proxy_conf' : False, - 'old_ifaces' : {}, - 'ifaces' : {} - } - if not (conf.exists('protocols igmp') or conf.exists_effective('protocols igmp')): - return None - - if conf.exists('protocols igmp-proxy'): - igmp_conf['igmp_proxy_conf'] = True - - if conf.exists('protocols pim'): - igmp_conf['pim_conf'] = True - - if conf.exists('protocols igmp'): - igmp_conf['igmp_conf'] = True - - conf.set_level('protocols igmp') - - # # Get interfaces - for iface in conf.list_effective_nodes('interface'): - igmp_conf['old_ifaces'].update({ - iface : { - 'version' : conf.return_effective_value('interface {0} version'.format(iface)), - 'query_interval' : conf.return_effective_value('interface {0} query-interval'.format(iface)), - 'query_max_resp_time' : conf.return_effective_value('interface {0} query-max-response-time'.format(iface)), - 'gr_join' : {} - } - }) - for gr_join in conf.list_effective_nodes('interface {0} join'.format(iface)): - igmp_conf['old_ifaces'][iface]['gr_join'][gr_join] = conf.return_effective_values('interface {0} join {1} source'.format(iface, gr_join)) - - for iface in conf.list_nodes('interface'): - igmp_conf['ifaces'].update({ - iface : { - 'version' : conf.return_value('interface {0} version'.format(iface)), - 'query_interval' : conf.return_value('interface {0} query-interval'.format(iface)), - 'query_max_resp_time' : conf.return_value('interface {0} query-max-response-time'.format(iface)), - 'gr_join' : {} - } - }) - for gr_join in conf.list_nodes('interface {0} join'.format(iface)): - igmp_conf['ifaces'][iface]['gr_join'][gr_join] = conf.return_values('interface {0} join {1} source'.format(iface, gr_join)) - - return igmp_conf - -def verify(igmp): - if igmp is None: - return None - - if igmp['igmp_conf']: - # Check conflict with IGMP-Proxy - if igmp['igmp_proxy_conf']: - raise ConfigError(f"IGMP proxy and PIM cannot be both configured at the same time") - - # Check interfaces - if not igmp['ifaces']: - raise ConfigError(f"IGMP require defined interfaces!") - # Check, is this multicast group - for intfc in igmp['ifaces']: - for gr_addr in igmp['ifaces'][intfc]['gr_join']: - if not IPv4Address(gr_addr).is_multicast: - raise ConfigError(gr_addr + " not a multicast group") - -def generate(igmp): - if igmp is None: - return None - - render(config_file, 'frr/igmp.frr.j2', igmp) - return None - -def apply(igmp): - if igmp is None: - return None - - pim_pid = process_named_running('pimd') - if igmp['igmp_conf'] or igmp['pim_conf']: - if not pim_pid: - call(pimd_cmd) - - if os.path.exists(config_file): - call(f'vtysh -d pimd -f {config_file}') - os.remove(config_file) - elif pim_pid: - os.kill(int(pim_pid), SIGTERM) - - return None - -if __name__ == '__main__': - try: - c = get_config() - verify(c) - generate(c) - apply(c) - except ConfigError as e: - print(e) - exit(1) diff --git a/src/conf_mode/protocols_pim.py b/src/conf_mode/protocols_pim.py index 89db69b87..fbe95c404 100755 --- a/src/conf_mode/protocols_pim.py +++ b/src/conf_mode/protocols_pim.py @@ -93,22 +93,24 @@ def verify(pim): if 'interface' not in pim: raise ConfigError('PIM require defined interfaces!') - if dict_search('rp.address', pim) == None: - raise ConfigError('PIM rendezvous point needs to be defined!') - - # Check unique multicast groups - unique = [] - for address, address_config in pim['rp']['address'].items(): - if 'group' not in address_config: - raise ConfigError(f'PIM rendezvous point group should be defined for "{address}"!') - - # Check if it is a multicast group - for gr_addr in address_config['group']: - if not IPv4Network(gr_addr).is_multicast: - raise ConfigError(f'PIM rendezvous point group "{gr_addr}" is not a multicast group!') - if gr_addr in unique: - raise ConfigError('PIM rendezvous point group must be unique!') - unique.append(gr_addr) + if 'rp' in pim: + if 'address' not in pim['rp']: + raise ConfigError('PIM rendezvous point needs to be defined!') + + # Check unique multicast groups + unique = [] + pim_base_error = 'PIM rendezvous point group' + for address, address_config in pim['rp']['address'].items(): + if 'group' not in address_config: + raise ConfigError(f'{pim_base_error} should be defined for "{address}"!') + + # Check if it is a multicast group + for gr_addr in address_config['group']: + if not IPv4Network(gr_addr).is_multicast: + raise ConfigError(f'{pim_base_error} "{gr_addr}" is not a multicast group!') + if gr_addr in unique: + raise ConfigError(f'{pim_base_error} must be unique!') + unique.append(gr_addr) def generate(pim): if not pim or 'deleted' in pim: diff --git a/src/migration-scripts/pim/0-to-1 b/src/migration-scripts/pim/0-to-1 new file mode 100755 index 000000000..bf8af733c --- /dev/null +++ b/src/migration-scripts/pim/0-to-1 @@ -0,0 +1,72 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2023 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/>. + +# T5736: igmp: migrate "protocols igmp" to "protocols pim" + +import sys +from vyos.configtree import ConfigTree + +if len(sys.argv) < 2: + print("Must specify file name!") + sys.exit(1) + +file_name = sys.argv[1] + +with open(file_name, 'r') as f: + config_file = f.read() + +config = ConfigTree(config_file) + +base = ['protocols', 'igmp'] +pim_base = ['protocols', 'pim'] +if not config.exists(base): + # Nothing to do + sys.exit(0) + +for interface in config.list_nodes(base + ['interface']): + base_igmp_iface = base + ['interface', interface] + pim_base_iface = pim_base + ['interface', interface] + + # Create IGMP note under PIM interface + if not config.exists(pim_base_iface + ['igmp']): + config.set(pim_base_iface + ['igmp']) + + if config.exists(base_igmp_iface + ['join']): + config.copy(base_igmp_iface + ['join'], pim_base_iface + ['igmp', 'join']) + config.set_tag(pim_base_iface + ['igmp', 'join']) + + new_join_base = pim_base_iface + ['igmp', 'join'] + for address in config.list_nodes(new_join_base): + if config.exists(new_join_base + [address, 'source']): + config.rename(new_join_base + [address, 'source'], 'source-address') + + if config.exists(base_igmp_iface + ['query-interval']): + config.copy(base_igmp_iface + ['query-interval'], pim_base_iface + ['igmp', 'query-interval']) + + if config.exists(base_igmp_iface + ['query-max-response-time']): + config.copy(base_igmp_iface + ['query-max-response-time'], pim_base_iface + ['igmp', 'query-max-response-time']) + + if config.exists(base_igmp_iface + ['version']): + config.copy(base_igmp_iface + ['version'], pim_base_iface + ['igmp', 'version']) + +config.delete(base) + +try: + with open(file_name, 'w') as f: + f.write(config.to_string()) +except OSError as e: + print("Failed to save the modified config: {}".format(e)) + sys.exit(1) |