78 lines
1.8 KiB
Nix
78 lines
1.8 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.netdata;
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configFile = pkgs.writeText "netdata.conf" cfg.configText;
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defaultUser = "netdata";
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in {
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options = {
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services.netdata = {
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enable = mkOption {
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default = false;
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type = types.bool;
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description = "Whether to enable netdata monitoring.";
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};
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user = mkOption {
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type = types.str;
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default = "netdata";
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description = "User account under which netdata runs.";
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};
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group = mkOption {
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type = types.str;
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default = "netdata";
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description = "Group under which netdata runs.";
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};
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configText = mkOption {
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type = types.lines;
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default = "";
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description = "netdata.conf configuration.";
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example = ''
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[global]
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debug log = syslog
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access log = syslog
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error log = syslog
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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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systemd.services.netdata = {
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description = "Real time performance monitoring";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = concatStringsSep "\n" (map (dir: ''
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mkdir -vp ${dir}
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chmod 750 ${dir}
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chown -R ${cfg.user}:${cfg.group} ${dir}
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'') [ "/var/cache/netdata"
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"/var/log/netdata"
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"/var/lib/netdata" ]);
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serviceConfig = {
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User = cfg.user;
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Group = cfg.group;
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PermissionsStartOnly = true;
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ExecStart = "${pkgs.netdata}/bin/netdata -D -c ${configFile}";
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TimeoutStopSec = 60;
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};
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};
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users.extraUsers = optional (cfg.user == defaultUser) {
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name = defaultUser;
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};
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users.extraGroups = optional (cfg.group == defaultUser) {
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name = defaultUser;
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};
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};
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}
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