From 401b0a5c23f899b46b563784ee0843e2a7215d22 Mon Sep 17 00:00:00 2001
From: kalipso <kalipso@c3d2.de>
Date: Sat, 28 Oct 2023 14:35:42 +0200
Subject: [PATCH] [nix] flake init

---
 flake.lock |  27 +++++++++++
 flake.nix  | 135 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 162 insertions(+)
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..f4524e7
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1697915759,
+        "narHash": "sha256-WyMj5jGcecD+KC8gEs+wFth1J1wjisZf8kVZH13f1Zo=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "51d906d2341c9e866e48c2efcaac0f2d70bfd43e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..3868407
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,135 @@
+{
+  description = "A very basic flake";
+
+  #nixpkgs for testing framework
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+
+  outputs = { self, nixpkgs, ... }: 
+  let
+    forAllSystems = nixpkgs.lib.genAttrs [ "x86_64-linux" ];
+  in
+  {
+    packages.x86_64-linux.gokill = nixpkgs.legacyPackages.x86_64-linux.buildGoModule rec {
+      pname = "gokill";
+      version = "1.0";
+      vendorHash = "sha256-aKEOMeW9QVSLsSuHV4b1khqM0rRrMjJ6Eu5RjY+6V8k=";
+      src = ./.;
+
+      postInstall = ''
+        '';
+    };
+
+    packages.x86_64-linux.default = self.packages.x86_64-linux.gokill;
+
+    nixosModules.gokill = { config, lib, pkgs, ... }: 
+    let
+      cfg = config.services.gokill;
+      configFile = pkgs.writeText "config.json" ''${cfg.extraConfig}''; 
+      gokill-pkg = self.packages.x86_64-linux.gokill;
+    in
+    {
+      options = {
+        services.gokill = {
+          enable = lib.mkOption {
+            default = false;
+            type = lib.types.bool;
+            description = lib.mdDoc ''
+              Enables gokill daemon
+              '';
+          };
+
+          extraConfig = lib.mkOption {
+            type = lib.types.str;
+            description = lib.mdDoc ''
+              gokill config.json
+              '';
+          };
+        };
+      };
+
+      config = lib.mkIf cfg.enable {
+        systemd.services.gokill = {
+          description = "gokill daemon";
+          serviceConfig = {
+            Type = "simple";
+            ExecStart = "${gokill-pkg}/bin/gokill -c ${configFile}";
+            Restart = "on-failure";
+          };
+
+          wantedBy = [ "default.target" ];
+        };
+      };
+    };
+
+    packages.x86_64-linux.testVm = 
+    let
+      nixos = nixpkgs.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          self.nixosModules.gokill
+          {
+            services.gokill.enable = true;
+            services.gokill.extraConfig = ''
+              [
+                  {
+                      "type": "Timeout", 
+                      "name": "custom timeout",
+                      "options": {
+                        "duration": 30
+                      },
+                      "actions": [
+                          {
+                              "type": "Print",
+                              "options": {
+                                "message": "Stage 1 triggered. Waiting 25 seconds"
+                              },
+                              "stage": 1
+                          },
+                          {
+                              "type": "Timeout",
+                              "options": {
+                                "duration": 20
+                              },
+                              "stage": 1
+                          },
+                          {
+                              "type": "Timeout",
+                              "options": {
+                                "duration": 5
+                              },
+                              "stage": 2
+                          },
+                          {
+                              "type": "Print",
+                              "options": {
+                                "message": "Shutdown in 5 seconds..."
+                              },
+                              "stage": 2
+                          },
+                          {
+                              "type": "Shutdown",
+                              "options": {
+                              },
+                              "stage": 3
+                          }
+                      ]
+                  }
+              ]
+              '';
+            users.users.root.password = "root";
+            virtualisation.vmVariant.virtualisation.graphics = false;
+          }
+        ];
+
+      };
+    in
+    nixos.config.system.build.vm;
+
+    apps.x86_64-linux.testVm = {
+      type = "app";
+      program = builtins.toString (nixpkgs.legacyPackages."x86_64-linux".writeScript "vm" ''
+        ${self.packages."x86_64-linux".testVm}/bin/run-nixos-vm
+      '');
+    };
+  };
+}