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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.traefik;
configFile =
if cfg.configFile == null then
pkgs.runCommand "config.toml" {
buildInputs = [ pkgs.remarshal ];
preferLocalBuild = true;
} ''
remarshal -if json -of toml \
< ${pkgs.writeText "config.json" (builtins.toJSON cfg.configOptions)} \
> $out
''
else cfg.configFile;
in {
options.services.traefik = {
enable = mkEnableOption "Traefik web server";
configFile = mkOption {
default = null;
example = literalExample "/path/to/config.toml";
type = types.nullOr types.path;
description = ''
Path to verbatim traefik.toml to use.
(Using that option has precedence over <literal>configOptions</literal>)
'';
};
configOptions = mkOption {
description = ''
Config for Traefik.
'';
type = types.attrs;
default = {
defaultEntryPoints = ["http"];
entryPoints.http.address = ":80";
};
example = {
defaultEntrypoints = [ "http" ];
web.address = ":8080";
entryPoints.http.address = ":80";
file = {};
frontends = {
frontend1 = {
backend = "backend1";
routes.test_1.rule = "Host:localhost";
};
};
backends.backend1 = {
servers.server1.url = "http://localhost:8000";
};
};
};
dataDir = mkOption {
default = "/var/lib/traefik";
type = types.path;
description = ''
Location for any persistent data traefik creates, ie. acme
'';
};
group = mkOption {
default = "traefik";
type = types.str;
example = "docker";
description = ''
Set the group that traefik runs under.
For the docker backend this needs to be set to <literal>docker</literal> instead.
'';
};
package = mkOption {
default = pkgs.traefik;
defaultText = "pkgs.traefik";
type = types.package;
description = "Traefik package to use.";
};
};
config = mkIf cfg.enable {
systemd.tmpfiles.rules = [
"d '${cfg.dataDir}' 0700 traefik traefik - -"
];
systemd.services.traefik = {
description = "Traefik web server";
after = [ "network-online.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
ExecStart = ''${cfg.package.bin}/bin/traefik --configfile=${configFile}'';
Type = "simple";
User = "traefik";
Group = cfg.group;
Restart = "on-failure";
StartLimitInterval = 86400;
StartLimitBurst = 5;
AmbientCapabilities = "cap_net_bind_service";
CapabilityBoundingSet = "cap_net_bind_service";
NoNewPrivileges = true;
LimitNPROC = 64;
LimitNOFILE = 1048576;
PrivateTmp = true;
PrivateDevices = true;
ProtectHome = true;
ProtectSystem = "full";
ReadWriteDirectories = cfg.dataDir;
};
};
users.users.traefik = {
group = "traefik";
home = cfg.dataDir;
createHome = true;
};
users.groups.traefik = {};
};
}
|