nix fmt .

configuration.nix

@@ -1,6 +1,9 @@
-{ config, pkgs, lib, ... }:
+{
-
+  config,
-let
+  pkgs,
+  lib,
+  ...
+}: let
   gitea_uidgid = 995;
 
   tailscale_subnet = {
@@ -44,8 +47,11 @@ let
   turn_cert_dir = "/var/lib/caddy/.local/share/caddy/certificates/acme-v02.api.letsencrypt.org-directory/turn.jakstys.lt";
 
   # functions
-  mountLatest = ({mountpoint, zfs_name}:
+  mountLatest = (
-    ''
+    {
+      mountpoint,
+      zfs_name,
+    }: ''
       set -euo pipefail
       ${pkgs.util-linux}/bin/umount ${mountpoint}/.snapshot-latest &>/dev/null || :
       mkdir -p ${mountpoint}/.snapshot-latest
@@ -53,29 +59,31 @@ let
     ''
   );
 
-  umountLatest = ({mountpoint, ...}:
+  umountLatest = (
-    ''set -euo pipefail
+    {mountpoint, ...}: ''      set -euo pipefail
           ${pkgs.util-linux}/bin/umount ${mountpoint}/.snapshot-latest
     ''
   );
-
 in {
-  imports =
+  imports = [
-    [
     ./hardware-configuration.nix
     ./zfs.nix
   ];
 
-  nixpkgs.overlays = [ (self: super: {
+  nixpkgs.overlays = [
+    (self: super: {
       systemd = super.systemd.overrideAttrs (old: {
-      patches = (old.patches or []) ++ [
+        patches =
+          (old.patches or [])
+          ++ [
             (super.fetchpatch {
               url = "https://github.com/systemd/systemd/commit/e7f64b896201da4a11da158c35865604cf02062f.patch";
               sha256 = "sha256-AvBkrD9n5ux1o167yKg1eJK8C300vBS/ks3Gbvy5vjw=";
             })
           ];
       });
-  } ) ];
+    })
+  ];
 
   boot.initrd.network = {
     enable = true;
@@ -220,20 +228,25 @@ in {
         autosnap = true;
         autoprune = true;
       };
-      datasets = lib.mapAttrs' (name: value: {
+      datasets =
+        lib.mapAttrs' (name: value: {
           name = value.zfs_name;
           value = {use_template = ["prod"];};
-        }) backup_paths;
+        })
+        backup_paths;
       extraArgs = ["--verbose"];
     };
 
-    borgbackup.jobs = lib.mapAttrs' (name: value:
+    borgbackup.jobs = lib.mapAttrs' (name: value: let
-      let
+      snapshot = {
-        snapshot = { mountpoint = value.mountpoint; zfs_name = value.zfs_name; };
+        mountpoint = value.mountpoint;
+        zfs_name = value.zfs_name;
+      };
       rwpath = value.mountpoint + "/.snapshot-latest";
     in {
       name = name;
-        value = {
+      value =
+        {
           doInit = true;
           repo = "zh2769@zh2769.rsync.net:hel1-a.servers.jakst";
           encryption = {
@@ -253,12 +266,12 @@ in {
             weekly = 4;
             monthly = 3;
           };
-        } // lib.optionalAttrs (value ? patterns) {
+        }
+        // lib.optionalAttrs (value ? patterns) {
           patterns = value.patterns;
         };
     }) backup_paths;
 
-
     headscale = {
       enable = true;
       serverUrl = "https://vpn.jakstys.lt";
@@ -442,11 +455,31 @@ in {
         federation_rc_concurrent = 3;
         allow_profile_lookup_over_federation = false;
         thumbnail_sizes = [
-          { width =  32; height =  32; method =  "crop"; }
+          {
-          { width =  96; height =  96; method =  "crop"; }
+            width = 32;
-          { width = 320; height = 240; method = "scale"; }
+            height = 32;
-          { width = 640; height = 480; method = "scale"; }
+            method = "crop";
-          { width = 800; height = 600; method = "scale"; }
+          }
+          {
+            width = 96;
+            height = 96;
+            method = "crop";
+          }
+          {
+            width = 320;
+            height = 240;
+            method = "scale";
+          }
+          {
+            width = 640;
+            height = 480;
+            method = "scale";
+          }
+          {
+            width = 800;
+            height = 600;
+            method = "scale";
+          }
         ];
         user_directory = {
           enabled = true;
@@ -551,23 +584,30 @@ in {
             semantic-checks: on
       '';
     };
-
   };
 
-
   networking = {
     hostName = "hel1-a";
     domain = "jakstys.lt";
     firewall = let
-      coturn = with config.services.coturn; [ { from = min-port; to = max-port; } ];
+      coturn = with config.services.coturn; [
+        {
+          from = min-port;
+          to = max-port;
+        }
+      ];
     in {
       allowedTCPPorts = [
         53
-        80 443
+        80
-        3478 5349 5350 # coturn
+        443
+        3478
+        5349
+        5350 # coturn
       ];
       allowedUDPPorts = [
-        53 443
+        53
+        443
         41641
       ];
       allowedUDPPortRanges = coturn;
@@ -602,7 +642,8 @@ in {
     "d /run/matrix-synapse 0700 matrix-synapse matrix-synapse -"
   ];
 
-  systemd.services = {
+  systemd.services =
+    {
       "make-snapshot-dirs" = let
         vals = builtins.attrValues backup_paths;
         mountpoints = builtins.catAttrs "mountpoint" vals;
@@ -700,14 +741,14 @@ in {
 
       zfs-scrub.unitConfig.OnFailure = "unit-status-mail@zfs-scrub.service";
       nixos-upgrade.unitConfig.OnFailure = "unit-status-mail@nixos-upgrade.service";
-
+    }
-  } // lib.mapAttrs' (name: value: {
+    // lib.mapAttrs' (name: value: {
       name = "borgbackup-job-${name}";
       value = {
         unitConfig.OnFailure = "unit-status-mail@borgbackup-job-${name}.service";
       };
-    }) backup_paths;
+    })
-
+    backup_paths;
 
   systemd.paths = {
     cert-watcher = {
@@ -722,4 +763,3 @@ in {
   # Do not change
   system.stateVersion = "22.11";
 }
-

flake.nix

@@ -9,10 +9,15 @@
     deploy-rs.inputs.utils.follows = "flake-utils";
 
     flake-utils.url = "github:numtide/flake-utils";
-
   };
 
-  outputs = { self, nixpkgs, deploy-rs, flake-utils }: {
+  outputs = {
+    self,
+    nixpkgs,
+    deploy-rs,
+    flake-utils,
+  }:
+    {
       nixosConfigurations.hel1-a = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
@@ -36,15 +41,15 @@
 
       checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
     }
-  // flake-utils.lib.eachDefaultSystem (system:
+    // flake-utils.lib.eachDefaultSystem (system: let
-    let
       pkgs = import nixpkgs {inherit system;};
-    in
+    in {
-    {
+      devShells.default = with pkgs;
-      devShells.default = with pkgs; mkShell {
+        mkShell {
           name = "rules_nixpkgs_shell";
           packages = [bash];
         };
+
+      formatter = pkgs.alejandra;
     });
 }
-

hardware-configuration.nix

@@ -1,43 +1,51 @@
 # Do not modify this file!  It was generated by ‘nixos-generate-config’
 # and may be overwritten by future invocations.  Please make changes
 # to /etc/nixos/configuration.nix instead.
-{ config, lib, pkgs, modulesPath, ... }:
-
 {
- imports =
+  config,
-    [ (modulesPath + "/profiles/qemu-guest.nix") ];
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [(modulesPath + "/profiles/qemu-guest.nix")];
   boot.initrd.availableKernelModules = ["ata_piix" "virtio_pci" "virtio_scsi" "xhci_pci" "sd_mod" "sr_mod"];
   boot.initrd.kernelModules = [];
   boot.kernelModules = [];
   boot.extraModulePackages = [];
 
-  fileSystems."/" =
+  fileSystems."/" = {
-    { device = "rpool/nixos/root";
+    device = "rpool/nixos/root";
-      fsType = "zfs"; options = [ "zfsutil" "X-mount.mkdir" ];
+    fsType = "zfs";
+    options = ["zfsutil" "X-mount.mkdir"];
   };
 
-  fileSystems."/home" =
+  fileSystems."/home" = {
-    { device = "rpool/nixos/home";
+    device = "rpool/nixos/home";
-      fsType = "zfs"; options = [ "zfsutil" "X-mount.mkdir" ];
+    fsType = "zfs";
+    options = ["zfsutil" "X-mount.mkdir"];
   };
 
-  fileSystems."/var/lib" =
+  fileSystems."/var/lib" = {
-    { device = "rpool/nixos/var/lib";
+    device = "rpool/nixos/var/lib";
-      fsType = "zfs"; options = [ "zfsutil" "X-mount.mkdir" ];
+    fsType = "zfs";
+    options = ["zfsutil" "X-mount.mkdir"];
   };
 
-  fileSystems."/var/log" =
+  fileSystems."/var/log" = {
-    { device = "rpool/nixos/var/log";
+    device = "rpool/nixos/var/log";
-      fsType = "zfs"; options = [ "zfsutil" "X-mount.mkdir" ];
+    fsType = "zfs";
+    options = ["zfsutil" "X-mount.mkdir"];
   };
 
-  fileSystems."/boot" =
+  fileSystems."/boot" = {
-    { device = "bpool/nixos/root";
+    device = "bpool/nixos/root";
-      fsType = "zfs"; options = [ "zfsutil" "X-mount.mkdir" ];
+    fsType = "zfs";
+    options = ["zfsutil" "X-mount.mkdir"];
   };
 
-  fileSystems."/boot/efis/scsi-0QEMU_QEMU_HARDDISK_9233346-part1" =
+  fileSystems."/boot/efis/scsi-0QEMU_QEMU_HARDDISK_9233346-part1" = {
-    { device = "/dev/disk/by-uuid/B6D7-D52E";
+    device = "/dev/disk/by-uuid/B6D7-D52E";
     fsType = "vfat";
   };
 

krops.nix

@@ -15,11 +15,12 @@ let
       };
     }
   ];
-
 in {
   hel1a = pkgs.krops.writeDeploy "deploy-hel1a" {
     source = source;
-    target = lib.mkTarget "motiejus@hel1-a.jakstys.lt" // {
+    target =
+      lib.mkTarget "motiejus@hel1-a.jakstys.lt"
+      // {
         sudo = true;
       };
   };

zfs.nix

@@ -1,6 +1,9 @@
-{ config, pkgs, ... }:
+{
-
+  config,
-{ boot.supportedFilesystems = [ "zfs" ];
+  pkgs,
+  ...
+}: {
+  boot.supportedFilesystems = ["zfs"];
   networking.hostId = "cd1a441c";
   boot.kernelPackages = config.boot.zfs.package.latestCompatibleLinuxPackages;
   boot.loader.efi.efiSysMountPoint = "/boot/efi";