1 files changed, 100 insertions, 0 deletions
diff --git a/nixos/modules/services/monitoring/zabbix-agent.nix b/nixos/modules/services/monitoring/zabbix-agent.nix
new file mode 100644
index 000000000000..229236c1bbd4
--- /dev/null
+++ b/nixos/modules/services/monitoring/zabbix-agent.nix
@@ -0,0 +1,100 @@
+# 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 = 1
+
+      ${config.services.zabbixAgent.extraConfig}
+    '';
+
+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.
+        '';
+      };
+
+      extraConfig = mkOption {
+        default = "";
+        description = ''
+          Configuration that is injected verbatim into the configuration file.
+        '';
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    users.extraUsers = singleton
+      { name = "zabbix";
+        uid = config.ids.uids.zabbix;
+        description = "Zabbix daemon user";
+      };
+
+    systemd.services."zabbix-agent" =
+      { description = "Zabbix Agent";
+
+        wantedBy = [ "multi-user.target" ];
+
+        path = [ pkgs.nettools ];
+
+        preStart =
+          ''
+            mkdir -m 0755 -p ${stateDir} ${logDir}
+            chown zabbix ${stateDir} ${logDir}
+          '';
+
+        serviceConfig.ExecStart = "@${pkgs.zabbix.agent}/sbin/zabbix_agentd zabbix_agentd --config ${configFile}";
+        serviceConfig.Type = "forking";
+        serviceConfig.RemainAfterExit = true;
+        serviceConfig.Restart = "always";
+        serviceConfig.RestartSec = 2;
+      };
+
+    environment.systemPackages = [ pkgs.zabbix.agent ];
+
+  };
+
+}