104 lines
2.1 KiB
Nix
104 lines
2.1 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.collectd;
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conf = pkgs.writeText "collectd.conf" ''
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BaseDir "${cfg.dataDir}"
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AutoLoadPlugin ${boolToString cfg.autoLoadPlugin}
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Hostname "${config.networking.hostName}"
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LoadPlugin syslog
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<Plugin "syslog">
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LogLevel "info"
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NotifyLevel "OKAY"
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</Plugin>
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${concatMapStrings (f: ''
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Include "${f}"
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'') cfg.include}
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${cfg.extraConfig}
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'';
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in {
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options.services.collectd = with types; {
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enable = mkEnableOption "collectd agent";
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package = mkOption {
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default = pkgs.collectd;
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defaultText = "pkgs.collectd";
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description = ''
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Which collectd package to use.
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'';
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type = package;
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};
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user = mkOption {
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default = "collectd";
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description = ''
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User under which to run collectd.
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'';
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type = nullOr str;
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};
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dataDir = mkOption {
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default = "/var/lib/collectd";
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description = ''
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Data directory for collectd agent.
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'';
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type = path;
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};
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autoLoadPlugin = mkOption {
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default = false;
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description = ''
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Enable plugin autoloading.
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'';
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type = bool;
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};
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include = mkOption {
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default = [];
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description = ''
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Additional paths to load config from.
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'';
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type = listOf str;
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};
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extraConfig = mkOption {
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default = "";
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description = ''
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Extra configuration for collectd.
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'';
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type = lines;
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};
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};
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config = mkIf cfg.enable {
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systemd.services.collectd = {
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description = "Collectd Monitoring Agent";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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ExecStart = "${cfg.package}/sbin/collectd -C ${conf} -f";
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User = cfg.user;
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PermissionsStartOnly = true;
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};
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preStart = ''
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mkdir -p "${cfg.dataDir}"
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chmod 755 "${cfg.dataDir}"
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chown -R ${cfg.user} "${cfg.dataDir}"
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'';
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};
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users.users = optional (cfg.user == "collectd") {
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name = "collectd";
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};
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};
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}
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