[nix] extract nixos-module/gokill

nixos-modules/gokill.nix

@@ -0,0 +1,73 @@
+flake: { config, lib, pkgs, self, ... }: 
+let
+  cfg = config.services.gokill;
+  configFile = pkgs.writeText "config.json" (builtins.toJSON cfg.triggers); 
+  gokill-pkg = self.packages.x86_64-linux.gokill;
+in
+{
+  options = with lib; {
+    services.gokill = {
+      enable = mkOption {
+        default = false;
+        type = types.bool;
+        description = mdDoc ''
+          Enables gokill daemon
+          '';
+      };
+
+      triggers = mkOption {
+        description = "list of triggers";
+        default = [];
+        type = with types; types.listOf ( submodule {
+          options = {
+            type = mkOption {
+              type = types.str;
+            };
+
+            name = mkOption {
+              type = types.str;
+            };
+
+            options = mkOption {
+              type = types.attrs;
+            };
+
+            actions = mkOption {
+              description = "list of actions";
+              type = with types; types.listOf ( submodule {
+                options = {
+                  type = mkOption {
+                    type = types.str;
+                  };
+
+                  options = mkOption {
+                    type = types.attrs;
+                  };
+
+                  stage = mkOption {
+                    type = types.int;
+                  };
+                };
+              });
+            };
+          };
+        });
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    systemd.services.gokill = {
+      description = "gokill daemon";
+      serviceConfig = {
+        Type = "simple";
+        ExecStart = "${gokill-pkg}/bin/gokill -c ${configFile}";
+        Restart = "on-failure";
+      };
+
+      wantedBy = [ "default.target" ];
+    };
+  };
+}
+
+