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blade-router: add keepalived notify script for announcing/withdrawing routes

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This commit is contained in:
Luke Granger-Brown 2021-03-29 23:54:26 +00:00
parent 1071202e7f
commit f05a063fce
1 changed files with 29 additions and 3 deletions
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32
ops/nixos/lib/blade-router.nix
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@ -2,9 +2,26 @@
# #
# SPDX-License-Identifier: Apache-2.0 # SPDX-License-Identifier: Apache-2.0
{ lib, config, ... }: { lib, config, pkgs, ... }:
with lib; with lib;
{ let
notifyBird = pkgs.writeScript "blade-router-vrrp-bird.sh" ''
ENDSTATE=$3
NAME=$2
TYPE=$1
case $ENDSTATE in
"MASTER") birdc enable export4
birdc enable export6
exit 0
;;
*) birdc disable export4
birdc disable export6
exit 0
;;
esac
'';
in {
imports = [ imports = [
../lib/bgp.nix ../lib/bgp.nix
]; ];
@ -112,7 +129,7 @@ with lib;
}; };
in { in {
enable = true; enable = true;
vrrpInstances.mgmtGateway = mgmtBase // { vrrpInstances.mgmtGateway4 = mgmtBase // {
virtualIps = [ virtualIps = [
{ addr = "10.100.0.1/23"; } { addr = "10.100.0.1/23"; }
{ addr = "${config.my.blade-router.addresses.br-public-vip.v4.addr}/${toString config.my.blade-router.addresses.br-public-vip.v4.prefixLength}"; dev = "br-public"; } { addr = "${config.my.blade-router.addresses.br-public-vip.v4.addr}/${toString config.my.blade-router.addresses.br-public-vip.v4.prefixLength}"; dev = "br-public"; }
@ -126,6 +143,15 @@ with lib;
]; ];
virtualRouterId = 2; virtualRouterId = 2;
}; };
extraConfig = ''
vrrp_sync_group mgmtGateway {
group {
mgmtGateway4
mgmtGateway6
}
notify ${notifyBird}
}
'';
}; };
services.radvd = { services.radvd = {