diff options
| -rw-r--r-- | op-mode-definitions/restart-frr.xml | 63 | ||||
| -rwxr-xr-x | src/op_mode/restart_frr.py | 103 |
2 files changed, 166 insertions, 0 deletions
diff --git a/op-mode-definitions/restart-frr.xml b/op-mode-definitions/restart-frr.xml new file mode 100644 index 000000000..4b649febd --- /dev/null +++ b/op-mode-definitions/restart-frr.xml @@ -0,0 +1,63 @@ +<?xml version="1.0"?> +<interfaceDefinition> + <node name="restart"> + <children> + <node name="frr"> + <properties> + <help>Restart FRRouting daemons</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart</command> + <children> + <leafNode name="bfdd"> + <properties> + <help>Restart Bidirectional Forwarding Detection daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon bfdd</command> + </leafNode> + <leafNode name="bgpd"> + <properties> + <help>Restart Border Gateway Protocol daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon bgpd</command> + </leafNode> + <leafNode name="ospfd"> + <properties> + <help>Restart OSPFv2 daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon ospfd</command> + </leafNode> + <leafNode name="ospf6d"> + <properties> + <help>Restart OSPFv3 daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon ospf6d</command> + </leafNode> + <leafNode name="ripd"> + <properties> + <help>Restart Routing Information Protocol daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon ripd</command> + </leafNode> + <leafNode name="ripngd"> + <properties> + <help>Restart RIPng daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon ripngd</command> + </leafNode> + <leafNode name="staticd"> + <properties> + <help>Restart Static Route daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon staticd</command> + </leafNode> + <leafNode name="zebra"> + <properties> + <help>Restart IP routing manager daemon</help> + </properties> + <command>${vyos_op_scripts_dir}/restart_frr.py --action restart --daemon zebra</command> + </leafNode> + </children> + </node> + </children> + </node> +</interfaceDefinition> diff --git a/src/op_mode/restart_frr.py b/src/op_mode/restart_frr.py new file mode 100755 index 000000000..d94465603 --- /dev/null +++ b/src/op_mode/restart_frr.py @@ -0,0 +1,103 @@ +#!/usr/bin/env python3 +# +# Copyright (C) 2019 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 sys +import argparse +import subprocess +import logging +from logging.handlers import SysLogHandler + +# some default values +watchfrr = '/usr/lib/frr/watchfrr.sh' +vtysh = '/usr/bin/vtysh' + +# configure logging +logger = logging.getLogger(__name__) +logs_handler = SysLogHandler('/dev/log') +logs_handler.setFormatter(logging.Formatter('%(filename)s: %(message)s')) +logger.addHandler(logs_handler) +logger.setLevel(logging.INFO) + +# write active config to file +def _write_config(): + command = "sudo {} -n -c write ".format(vtysh) + return_code = subprocess.call(command, shell=True) + if not return_code == 0: + logger.error("Failed to save active config: \"{}\" returned exit code: {}".format(command, return_code)) + print("Failed to save active config: \"{}\" returned exit code: {}".format(command, return_code)) + sys.exit(1) + logger.info("Active config saved to /etc/frr/frr.conf") + +# check if daemon is running +def _daemon_check(daemon): + command = "sudo {} print_status {}".format(watchfrr, daemon) + return_code = subprocess.call(command, shell=True) + if not return_code == 0: + logger.error("Daemon \"{}\" is not running".format(daemon)) + return False + + # return True if all checks were passed + return True + +# restart daemon +def _daemon_restart(daemon): + command = "sudo {} restart {}".format(watchfrr, daemon) + return_code = subprocess.call(command, shell=True) + if not return_code == 0: + logger.error("Failed to restart daemon \"{}\"".format(daemon)) + return False + + # return True if restarted sucessfully + logger.info("Daemon \"{}\" restarted".format(daemon)) + return True + +# check all daemons if they are running +def _check_args_daemon(daemons): + for daemon in daemons: + if not _daemon_check(daemon): + return False + return True + +# define program arguments +cmd_args_parser = argparse.ArgumentParser(description='restart frr daemons') +cmd_args_parser.add_argument('--action', choices=['restart'], required=True, help='action to frr daemons') +cmd_args_parser.add_argument('--daemon', choices=['bfdd', 'bgpd', 'ospfd', 'ospf6d', 'ripd', 'ripngd', 'staticd', 'zebra'], required=False, nargs='*', help='select single or multiple daemons') +# parse arguments +cmd_args = cmd_args_parser.parse_args() + + +# main logic +# restart daemon +if cmd_args.action == 'restart': + _write_config() + if cmd_args.daemon: + # check all daemons if they are running + if not _check_args_daemon(cmd_args.daemon): + print("Warning: some of listed daemons are not running") + + # run command to restart daemon + for daemon in cmd_args.daemon: + if not _daemon_restart(daemon): + print("Failed to restart daemon: {}".format(daemon)) + sys.exit(1) + else: + # run command to restart FRR + if not _daemon_restart(''): + print("Failed to restart FRRouting") + sys.exit(1) + +sys.exit(0) |