diff options
Diffstat (limited to 'src')
| -rwxr-xr-x | src/conf_mode/interfaces-tunnel.py | 53 | ||||
| -rwxr-xr-x | src/migration-scripts/interfaces/19-to-20 | 51 |
2 files changed, 75 insertions, 29 deletions
diff --git a/src/conf_mode/interfaces-tunnel.py b/src/conf_mode/interfaces-tunnel.py index ae28f5101..2d2f29f94 100755 --- a/src/conf_mode/interfaces-tunnel.py +++ b/src/conf_mode/interfaces-tunnel.py @@ -31,21 +31,25 @@ from vyos.configverify import verify_mtu_ipv6 from vyos.configverify import verify_vrf from vyos.configverify import verify_tunnel from vyos.ifconfig import Interface -from vyos.ifconfig import GREIf -from vyos.ifconfig import GRETapIf -from vyos.ifconfig import IPIPIf -from vyos.ifconfig import IP6GREIf -from vyos.ifconfig import IPIP6If -from vyos.ifconfig import IP6IP6If -from vyos.ifconfig import SitIf -from vyos.ifconfig import Sit6RDIf +from vyos.ifconfig import TunnelIf from vyos.template import is_ipv4 from vyos.template import is_ipv6 +from vyos.util import cmd from vyos.util import dict_search from vyos import ConfigError from vyos import airbag airbag.enable() +def get_tunnel_encapsulation(interface): + """ Returns the used encapsulation protocol for given interface. + If interface does not exist, None is returned. + """ + if not os.path.exists(f'/sys/class/net/{interface}'): + return None + from json import loads + tmp = loads(cmd(f'ip -d -j link show {interface}'))[0] + return tmp['linkinfo']['info_kind'] + def get_config(config=None): """ Retrive CLI config as dictionary. Dictionary can never be empty, as at least @@ -79,8 +83,8 @@ def verify(tunnel): return None if 'encapsulation' not in tunnel: - raise ConfigError('Must configure the tunnel encapsulation for '\ - '{ifname}!'.format(**tunnel)) + error = 'Must configure encapsulation for "{ifname}"!' + raise ConfigError(error.format(**tunnel)) verify_mtu_ipv6(tunnel) verify_address(tunnel) @@ -103,29 +107,20 @@ def generate(tunnel): return None def apply(tunnel): - if 'deleted' in tunnel or 'encapsulation_changed' in tunnel: - if tunnel['ifname'] in interfaces(): - tmp = Interface(tunnel['ifname']) + interface = tunnel['ifname'] + # If a gretap tunnel is already existing we can not "simply" change local or + # remote addresses. This returns "Operation not supported" by the Kernel. + # There is no other solution to destroy and recreate the tunnel. + encap = get_tunnel_encapsulation(interface) + + if 'deleted' in tunnel or 'encapsulation_changed' in tunnel or encap == 'gretap': + if interface in interfaces(): + tmp = Interface(interface) tmp.remove() if 'deleted' in tunnel: return None - dispatch = { - 'gre': GREIf, - 'gre-bridge': GRETapIf, - 'ipip': IPIPIf, - 'ipip6': IPIP6If, - 'ip6ip6': IP6IP6If, - 'ip6gre': IP6GREIf, - 'sit': SitIf, - } - - # We need to re-map the tunnel encapsulation proto to a valid interface class - encap = tunnel['encapsulation'] - klass = dispatch[encap] - - tun = klass(**tunnel) - tun.change_options() + tun = TunnelIf(**tunnel) tun.update(tunnel) return None diff --git a/src/migration-scripts/interfaces/19-to-20 b/src/migration-scripts/interfaces/19-to-20 new file mode 100755 index 000000000..be42cdd61 --- /dev/null +++ b/src/migration-scripts/interfaces/19-to-20 @@ -0,0 +1,51 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2021 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/>. + +from sys import argv +from sys import exit +from vyos.configtree import ConfigTree + +if __name__ == '__main__': + if (len(argv) < 1): + print("Must specify file name!") + exit(1) + + file_name = argv[1] + with open(file_name, 'r') as f: + config_file = f.read() + + config = ConfigTree(config_file) + base = ['interfaces', 'tunnel'] + + if not config.exists(base): + # Nothing to do + exit(0) + + # + # Migrate "interface tunnel <tunX> encapsulation gre-bridge" to gretap + for interface in config.list_nodes(base): + path = base + [interface, 'encapsulation'] + if config.exists(path): + tmp = config.return_value(path) + if tmp == 'gre-bridge': + config.set(path, value='gretap') + + 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)) + exit(1) |