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nixos/nebula: fix port resolution for firewall rules

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This commit is contained in:
Morgan Jones 2024-01-20 19:28:19 -08:00
parent cdd95bd39c
commit 32f56d7266
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1 changed files with 13 additions and 12 deletions
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25
nixos/modules/services/networking/nebula.nix
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@ -10,6 +10,15 @@ let
format = pkgs.formats.yaml {};
nameToId = netName: "nebula-${netName}";
resolveFinalPort = netCfg:
if netCfg.listen.port == null then
if (netCfg.isLighthouse || netCfg.isRelay) then
4242
else
0
else
netCfg.listen.port;
in
{
# Interface
@ -181,15 +190,7 @@ in
};
listen = {
host = netCfg.listen.host;
port = (
if netCfg.listen.port == null then
if (netCfg.isLighthouse || netCfg.isRelay) then
4242
else
0
else
netCfg.listen.port
);
port = resolveFinalPort netCfg;
};
tun = {
disabled = netCfg.tun.disable;
@ -202,10 +203,10 @@ in
} netCfg.settings;
configFile = format.generate "nebula-config-${netName}.yml" (
warnIf
((settings.lighthouse.am_lighthouse || settings.relay.am_relay) && settings.listen.port < 1)
((settings.lighthouse.am_lighthouse || settings.relay.am_relay) && settings.listen.port == 0)
''
Nebula network '${netName}' is configured as a lighthouse or relay, and its port is ${builtins.toString settings.listen.port}.
You will experience connectivity issues.
You will likely experience connectivity issues: https://nebula.defined.net/docs/config/listen/#listenport
''
settings
);
@ -252,7 +253,7 @@ in
# Open the chosen ports for UDP.
networking.firewall.allowedUDPPorts =
unique (filter (port: port != null && port > 0) (mapAttrsToList (netName: netCfg: netCfg.listen.port) enabledNetworks));
unique (filter (port: port > 0) (mapAttrsToList (netName: netCfg: resolveFinalPort netCfg) enabledNetworks));
# Create the service users and groups.
users.users = mkMerge (mapAttrsToList (netName: netCfg: