# Zabbix agent daemon. { config, pkgs, ... }: with pkgs.lib; let cfg = config.services.zabbixAgent; stateDir = "/var/run/zabbix"; logDir = "/var/log/zabbix"; pidFile = "${stateDir}/zabbix_agentd.pid"; configFile = pkgs.writeText "zabbix_agentd.conf" '' Server = ${cfg.server} LogFile = ${logDir}/zabbix_agentd PidFile = ${pidFile} StartAgents = 5 ''; in { ###### interface options = { services.zabbixAgent = { enable = mkOption { default = false; description = '' Whether to run the Zabbix monitoring agent on this machine. It will send monitoring data to a Zabbix server. ''; }; server = mkOption { default = "127.0.0.1"; description = '' The IP address or hostname of the Zabbix server to connect to. ''; }; }; }; ###### implementation config = mkIf cfg.enable { users.extraUsers = singleton { name = "zabbix"; uid = config.ids.uids.zabbix; description = "Zabbix daemon user"; }; jobs.zabbix_agent = { #name = "zabbix-agent"; !!! mkIf bug description = "Zabbix agent daemon"; startOn = "network-interfaces/started"; stopOn = "network-interfaces/stop"; preStart = '' mkdir -m 0755 -p ${stateDir} ${logDir} chown zabbix ${stateDir} ${logDir} export PATH=${pkgs.nettools}/bin:$PATH ${pkgs.zabbixAgent}/sbin/zabbix_agentd --config ${configFile} ''; postStop = '' # !!! this seems to leave processes behind. #pid=$(cat ${pidFile}) #if test -n "$pid"; then # kill $pid #fi # So instead kill the agent in a brutal fashion. while ${pkgs.procps}/bin/pkill -u zabbix zabbix_agentd; do true; done ''; }; }; }