feat(nixos): module: +support-bot

nixos/module/hectic/service/server-health.nix

@@ -0,0 +1,71 @@
+{ 
+  inputs,
+  flake,
+  self,
+}:
+{ 
+  pkgs,
+  lib,
+  config,
+  ...
+}: let
+  system = pkgs.system;
+  cfg = config.hectic.server-health;
+  #   URLS="http://..."     # default: none
+  #   VOLUMES="/ /home"     # default: all from df -P
+in {
+  options = {
+    hectic.server-health = {
+      enable   = lib.mkEnableOption "enable serverhelth services";
+      urls = lib.mkOption {
+        type = lib.types.port;
+        default = "5899";
+        description = ''
+	  urls to check
+        '';
+      };
+      volumes = lib.mkOption {
+        type = lib.types.port;
+        default = "5899";
+        description = ''
+          volumes to check
+        '';
+      };
+      port = lib.mkOption {
+        type = lib.types.port;
+        default = "5899";
+        description = ''
+          service's port
+        '';
+      };
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    systemd.services."hectic-server-health" = {
+      description = "Hectic server health check";
+      after = [ "network.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${self.packages.${system}.server-health}/bin/server-health";
+        Environment = (if cfg.urls != null then [
+	  "URLS=${cfg.urls}"
+	] else []) ++ (if cfg.volumes != null then [
+	  "VOLUMES=${cfg.volumes}"
+	] else []);
+        Restart = "always";
+        RestartSec = "5s";
+        
+        # Shutdown configuration
+        TimeoutStopSec = "30s";
+        KillSignal = "SIGTERM";
+        KillMode = "mixed";
+        
+        # Security and process management
+        RemainAfterExit = false;
+        StandardOutput = "journal";
+        StandardError = "journal";
+      };
+    };
+  };
+}