ffb4797dd3
HAProxy fails to start with the default 'config'. Better disable it and assert that the user provides a suitable 'config'. (AFAICS, there cannot really be a default config file for HAProxy.)
62 lines
1.6 KiB
Nix
62 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.haproxy;
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haproxyCfg = pkgs.writeText "haproxy.conf" cfg.config;
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in
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with lib;
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{
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options = {
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services.haproxy = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable HAProxy, the reliable, high performance TCP/HTTP
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load balancer.
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'';
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};
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config = mkOption {
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type = types.nullOr types.lines;
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default = null;
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description = ''
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Contents of the HAProxy configuration file,
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<filename>haproxy.conf</filename>.
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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assertions = [{
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assertion = cfg.config != null;
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message = "You must provide services.haproxy.config.";
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}];
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systemd.services.haproxy = {
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description = "HAProxy";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "forking";
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PIDFile = "/run/haproxy.pid";
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ExecStartPre = "${pkgs.haproxy}/sbin/haproxy -c -q -f ${haproxyCfg}";
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ExecStart = "${pkgs.haproxy}/sbin/haproxy -D -f ${haproxyCfg} -p /run/haproxy.pid";
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ExecReload = "-${pkgs.bash}/bin/bash -c \"exec ${pkgs.haproxy}/sbin/haproxy -D -f ${haproxyCfg} -p /run/haproxy.pid -sf $MAINPID\"";
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};
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};
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environment.systemPackages = [ pkgs.haproxy ];
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users.extraUsers.haproxy = {
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group = "haproxy";
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uid = config.ids.uids.haproxy;
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};
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users.extraGroups.haproxy.gid = config.ids.uids.haproxy;
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};
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}
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