use flake-utils-plus

flake.lock

@@ -21,6 +21,21 @@
         "type": "gitlab"
       }
     },
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1629481132,
+        "narHash": "sha256-JHgasjPR0/J1J3DRm4KxM4zTyAj4IOJY8vIl75v/kPI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "997f7efcb746a9c140ce1f13c72263189225f482",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "ipmihddtemp": {
       "inputs": {
         "nixpkgs": [
@@ -78,7 +93,8 @@
         "ipmihddtemp": "ipmihddtemp",
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
-        "simple-nixos-mailserver": "simple-nixos-mailserver"
+        "simple-nixos-mailserver": "simple-nixos-mailserver",
+        "utils": "utils_2"
       }
     },
     "simple-nixos-mailserver": {
@@ -117,6 +133,25 @@
         "repo": "flake-utils",
         "type": "github"
       }
+    },
+    "utils_2": {
+      "inputs": {
+        "flake-utils": "flake-utils"
+      },
+      "locked": {
+        "lastModified": 1630860118,
+        "narHash": "sha256-JwLcC/zRR6ypk4/Ks7plWBvThYoLhURaH2zvjuWVmyA=",
+        "owner": "gytis-ivaskevicius",
+        "repo": "flake-utils-plus",
+        "rev": "813281281363ec45af155c8d2ceb7c5132d4de45",
+        "type": "github"
+      },
+      "original": {
+        "owner": "gytis-ivaskevicius",
+        "ref": "1.3.0",
+        "repo": "flake-utils-plus",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -2,6 +2,7 @@
   inputs = {
     nixpkgs.url = "flake:nixpkgs/nixos-21.05";
     nixpkgs-unstable.url = "flake:nixpkgs/nixos-unstable";
+    utils.url = "github:gytis-ivaskevicius/flake-utils-plus/1.3.0";
     simple-nixos-mailserver = {
       url = "gitlab:simple-nixos-mailserver/nixos-mailserver/nixos-21.05";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -16,33 +17,32 @@
     };
   };
 
-  outputs = { self, nixpkgs, nixpkgs-unstable, simple-nixos-mailserver, dogetipbot-telegram, ipmihddtemp }: {
+  outputs = inputs@{ self, utils, nixpkgs, nixpkgs-unstable, simple-nixos-mailserver, dogetipbot-telegram, ipmihddtemp }: utils.lib.mkFlake {
-    nixosConfigurations.loutreos = nixpkgs.lib.nixosSystem {
-      system = "x86_64-linux";
-      modules = [
-        ({ pkgs, ... }: {
-          nix.nixPath = [
-            "nixpkgs=${nixpkgs}"
-          ];
-        })
-        nixpkgs.nixosModules.notDetected
-        "${nixpkgs-unstable}/nixos/modules/services/audio/navidrome.nix"
-        simple-nixos-mailserver.nixosModule
-        dogetipbot-telegram.nixosModule
-        ipmihddtemp.nixosModule
-        ./systems/LoutreOS/configuration.nix
-      ];
-    };
 
-    nixosConfigurations.paul-fixe = nixpkgs-unstable.lib.nixosSystem {
+    inherit self inputs;
-      system = "x86_64-linux";
+
+    supportedSystems = [ "x86_64-linux" ];
+
+    hostDefaults.modules = [
+      nixpkgs.nixosModules.notDetected
+      {
+        nix.generateRegistryFromInputs = true;
+        nix.linkInputs = true;
+        nix.generateNixPathFromInputs = true;
+      }
+    ];
+
+    hosts.loutreos.modules = [
+      "${nixpkgs-unstable}/nixos/modules/services/audio/navidrome.nix"
+      simple-nixos-mailserver.nixosModule
+      dogetipbot-telegram.nixosModule
+      ipmihddtemp.nixosModule
+      ./systems/LoutreOS/configuration.nix
+    ];
+
+    hosts.paul-fixe = {
+      channelName = "nixpkgs-unstable";
       modules = [
-        ({ pkgs, ... }: {
-          nix.nixPath = [
-            "nixpkgs=${nixpkgs-unstable}"
-          ];
-        })
-        nixpkgs-unstable.nixosModules.notDetected
         ./systems/PC-Fixe/configuration.nix
       ];
     };

ipmihddtemp.py

@@ -1,42 +0,0 @@
-import math
-import subprocess
-import time
-from pySMART import DeviceList
-
-MIN_FAN_SPEED = 30
-MAX_FAN_SPEED = 100
-
-MIN_HDD_TEMP = 30
-MAX_HDD_TEMP = 50
-
-devlist = DeviceList()
-
-# Put fans in full speed mode
-subprocess.run(["ipmitool", "raw", "0x30", "0x45", "0x01", "0x01"])
-
-while True:
-    for device in devlist:
-        device.update()
-
-    # Linear fan speed between MIN_FAN_SPEED and MAX_FAN_SPEED
-    fan_speed = max(
-        min(
-            math.ceil(
-                MIN_FAN_SPEED
-                + (
-                    (MAX_FAN_SPEED - MIN_FAN_SPEED)
-                    * (
-                        (max([x.temperature for x in devlist]) - MIN_HDD_TEMP)
-                        / (MAX_HDD_TEMP - MIN_HDD_TEMP)
-                    )
-                )
-            ),
-            MAX_FAN_SPEED,
-        ),
-        MIN_FAN_SPEED,
-    )
-
-    subprocess.run(["ipmitool", "raw", "0x30", "0x70", "0x66", "0x01", "0x00", hex(fan_speed)])
-
-    time.sleep(10)
-

systems/common-cli.nix

@@ -4,13 +4,6 @@
 
   time.timeZone = "Europe/Paris";
 
-  nix = {
-    package = pkgs.nixUnstable;
-    extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
-  };
-
   environment.systemPackages = with pkgs; [
     # Editeurs
     (neovim.override {