diff options
| -rwxr-xr-x | src/helpers/vyos-failover.py | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/helpers/vyos-failover.py b/src/helpers/vyos-failover.py index 1ac193423..0de945f20 100755 --- a/src/helpers/vyos-failover.py +++ b/src/helpers/vyos-failover.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2022 VyOS maintainers and contributors +# Copyright (C) 2022-2023 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 @@ -28,6 +28,17 @@ from systemd import journal my_name = Path(__file__).stem +def is_route_exists(route, gateway, interface, metric): + """Check if route with expected gateway, dev and metric exists""" + rc, data = rc_cmd(f'sudo ip --json route show protocol failover {route} ' + f'via {gateway} dev {interface} metric {metric}') + if rc == 0: + data = json.loads(data) + if len(data) > 0: + return True + return False + + def get_best_route_options(route, debug=False): """ Return current best route ('gateway, interface, metric) @@ -137,7 +148,7 @@ if __name__ == '__main__': for route, route_config in config.get('route').items(): - exists_route = exists_gateway, exists_iface, exists_metric = get_best_route_options(route, debug=debug) + exists_gateway, exists_iface, exists_metric = get_best_route_options(route, debug=debug) for next_hop, nexthop_config in route_config.get('next_hop').items(): conf_iface = nexthop_config.get('interface') @@ -148,8 +159,8 @@ if __name__ == '__main__': target = nexthop_config.get('check').get('target') timeout = nexthop_config.get('check').get('timeout') - # Best route not fonund in the current routing table - if exists_route == (None, None, None): + # Route not found in the current routing table + if not is_route_exists(route, next_hop, conf_iface, conf_metric): if debug: print(f" [NEW_ROUTE_DETECTED] route: [{route}]") # Add route if check-target alive if is_target_alive(target, conf_iface, proto, port, debug=debug): @@ -172,7 +183,7 @@ if __name__ == '__main__': # Route was added, check if the target is alive # We should delete route if check fails only if route exists in the routing table if not is_target_alive(target, conf_iface, proto, port, debug=debug) and \ - exists_route != (None, None, None): + is_route_exists(route, next_hop, conf_iface, conf_metric): if debug: print(f'Nexh_hop {next_hop} fail, target not response') print(f' [ DEL ] -- ip route del {route} via {next_hop} dev {conf_iface} ' |