.git-blame-ignore-revs

@@ -1,5 +0,0 @@
-# Run this command to always ignore formatting commits in `git blame`
-# git config blame.ignoreRevsFile .git-blame-ignore-revs
-
-# Switch to nixpkgs-fmt formatting
-fd138d45e6a2cad89fead6e9f246ba282070d6b7

configuration/default.nix

@@ -1,9 +1,10 @@
-{ config
+{
-, pkgs
+  config,
-, lib
+  pkgs,
-, modulesPath
+  lib,
-, flake-inputs
+  modulesPath,
-, ...
+  flake-inputs,
+  ...
 }: {
   imports = [
     flake-inputs.disko.nixosModules.disko
@@ -46,15 +47,15 @@
     '';
 
     # Enable remote builds from tlater
-    settings.trusted-users = [ "@wheel" ];
+    settings.trusted-users = ["@wheel"];
   };
 
   nixpkgs.config.allowUnfreePredicate = pkg:
-    builtins.elem (lib.getName pkg) [ "steam-original" "steam-runtime" "steam-run" "steamcmd" ];
+    builtins.elem (lib.getName pkg) ["steam-original" "steam-runtime" "steam-run" "steamcmd"];
 
   # Optimization for minecraft servers, see:
   # https://bugs.mojang.com/browse/MC-183518
-  boot.kernelParams = [ "highres=off" "nohz=off" ];
+  boot.kernelParams = ["highres=off" "nohz=off"];
 
   networking = {
     usePredictableInterfaceNames = false;
@@ -105,15 +106,15 @@
 
   users.users.tlater = {
     isNormalUser = true;
-    extraGroups = [ "wheel" ];
+    extraGroups = ["wheel"];
-    openssh.authorizedKeys.keyFiles = [ ../keys/tlater.pub ];
+    openssh.authorizedKeys.keyFiles = [../keys/tlater.pub];
   };
 
   services = {
     openssh = {
       enable = true;
       allowSFTP = false;
-      ports = [ 2222 ];
+      ports = [2222];
       startWhenNeeded = true;
 
       settings = {
@@ -132,14 +133,14 @@
     pam = {
       sshAgentAuth = {
         enable = true;
-        authorizedKeysFiles = [ "/etc/ssh/authorized_keys.d/%u" ];
+        authorizedKeysFiles = ["/etc/ssh/authorized_keys.d/%u"];
       };
       services.sudo.sshAgentAuth = true;
     };
   };
 
   # Remove some unneeded packages
-  environment.defaultPackages = [ ];
+  environment.defaultPackages = [];
 
   system.stateVersion = "20.09";
 }

configuration/hardware-specific/hetzner/default.nix

@@ -8,7 +8,7 @@
   # disables it by default.
   #
   # TODO(tlater): See if would be useful for anything?
-  boot.kernelParams = [ "nosgx" ];
+  boot.kernelParams = ["nosgx"];
 
   networking.hostName = "hetzner-1";
   services.nginx.domain = "tlater.net";

configuration/hardware-specific/hetzner/disko.nix

@@ -1,84 +1,82 @@
 {
-  disko.devices.disk =
+  disko.devices.disk = let
-    let
+    bootPartition = {
-      bootPartition = {
+      size = "1M";
-        size = "1M";
+      type = "EF02";
-        type = "EF02";
+    };
+
+    swapPartition = {
+      # 8G is apparently recommended for this much RAM, but we set up
+      # 4G on both disks for mirroring purposes.
+      #
+      # That'll still be 8G during normal operation, and it's probably
+      # not too bad to have slightly less swap if a disk dies.
+      size = "4G";
+      content = {
+        type = "swap";
+        randomEncryption = true;
       };
+    };
 
-      swapPartition = {
+    mountOptions = ["compress=zstd" "noatime"];
-        # 8G is apparently recommended for this much RAM, but we set up
+  in {
-        # 4G on both disks for mirroring purposes.
+    sda = {
-        #
+      type = "disk";
-        # That'll still be 8G during normal operation, and it's probably
+      device = "/dev/sda";
-        # not too bad to have slightly less swap if a disk dies.
+      content = {
-        size = "4G";
+        type = "gpt";
-        content = {
+        partitions = {
-          type = "swap";
+          boot = bootPartition;
-          randomEncryption = true;
+          swap = swapPartition;
-        };
-      };
 
-      mountOptions = [ "compress=zstd" "noatime" ];
+          disk1 = {
-    in
+            size = "100%";
-    {
+            # Empty partition to combine in RAID0 with the other disk
-      sda = {
-        type = "disk";
-        device = "/dev/sda";
-        content = {
-          type = "gpt";
-          partitions = {
-            boot = bootPartition;
-            swap = swapPartition;
-
-            disk1 = {
-              size = "100%";
-              # Empty partition to combine in RAID0 with the other disk
-            };
           };
         };
       };
+    };
 
-      sdb = {
+    sdb = {
-        type = "disk";
+      type = "disk";
-        device = "/dev/sdb";
+      device = "/dev/sdb";
-        content = {
+      content = {
-          type = "gpt";
+        type = "gpt";
-          partitions = {
+        partitions = {
-            boot = bootPartition;
+          boot = bootPartition;
-            swap = swapPartition;
+          swap = swapPartition;
 
-            disk2 = {
+          disk2 = {
-              size = "100%";
+            size = "100%";
-              content = {
+            content = {
-                type = "btrfs";
+              type = "btrfs";
-                # Hack to get multi-device btrfs going
+              # Hack to get multi-device btrfs going
-                # See https://github.com/nix-community/disko/issues/99
+              # See https://github.com/nix-community/disko/issues/99
-                extraArgs = [ "-d" "raid1" "-m" "raid1" "--runtime-features" "quota" "/dev/sda3" ];
+              extraArgs = ["-d" "raid1" "-m" "raid1" "--runtime-features" "quota" "/dev/sda3"];
-                subvolumes = {
+              subvolumes = {
-                  "/volume" = { };
+                "/volume" = {};
-                  "/volume/root" = {
+                "/volume/root" = {
-                    inherit mountOptions;
+                  inherit mountOptions;
-                    mountpoint = "/";
+                  mountpoint = "/";
-                  };
-                  "/volume/home" = {
-                    inherit mountOptions;
-                    mountpoint = "/home";
-                  };
-                  "/volume/var" = {
-                    inherit mountOptions;
-                    mountpoint = "/var";
-                  };
-                  "/volume/nix-store" = {
-                    inherit mountOptions;
-                    mountpoint = "/nix";
-                  };
-                  "/snapshots" = { };
                 };
+                "/volume/home" = {
+                  inherit mountOptions;
+                  mountpoint = "/home";
+                };
+                "/volume/var" = {
+                  inherit mountOptions;
+                  mountpoint = "/var";
+                };
+                "/volume/nix-store" = {
+                  inherit mountOptions;
+                  mountpoint = "/nix";
+                };
+                "/snapshots" = {};
               };
             };
           };
         };
       };
     };
+  };
 }

configuration/hardware-specific/vm.nix

@@ -1,8 +1,8 @@
-{ lib, ... }: {
+{lib, ...}: {
   users.users.tlater.password = "insecure";
 
   # Disable graphical tty so -curses works
-  boot.kernelParams = [ "nomodeset" ];
+  boot.kernelParams = ["nomodeset"];
 
   networking.hostName = "testvm";
   # Sets the base domain for nginx to a local domain so that we can

configuration/nginx.nix

@@ -1,6 +1,7 @@
-{ config
+{
-, lib
+  config,
-, ...
+  lib,
+  ...
 }: {
   services.nginx = {
     enable = true;
@@ -26,33 +27,31 @@
       # Override the default, just keep fewer logs
       nginx.rotate = 6;
     }
-    // lib.mapAttrs'
+    // lib.mapAttrs' (virtualHost: _:
-      (virtualHost: _:
+      lib.nameValuePair "/var/log/nginx/${virtualHost}/access.log" {
-        lib.nameValuePair "/var/log/nginx/${virtualHost}/access.log" {
+        frequency = "daily";
-          frequency = "daily";
+        rotate = 2;
-          rotate = 2;
+        compress = true;
-          compress = true;
+        delaycompress = true;
-          delaycompress = true;
+        su = "${config.services.nginx.user} ${config.services.nginx.group}";
-          su = "${config.services.nginx.user} ${config.services.nginx.group}";
+        postrotate = "[ ! -f /var/run/nginx/nginx.pid ] || kill -USR1 `cat /var/run/nginx/nginx.pid`";
-          postrotate = "[ ! -f /var/run/nginx/nginx.pid ] || kill -USR1 `cat /var/run/nginx/nginx.pid`";
+      })
-        })
+    config.services.nginx.virtualHosts;
-      config.services.nginx.virtualHosts;
 
   systemd.tmpfiles.rules =
-    lib.mapAttrsToList
+    lib.mapAttrsToList (
-      (
+      virtualHost: _:
-        virtualHost: _:
+      #
-          #
+      "d /var/log/nginx/${virtualHost} 0750 ${config.services.nginx.user} ${config.services.nginx.group}"
-          "d /var/log/nginx/${virtualHost} 0750 ${config.services.nginx.user} ${config.services.nginx.group}"
+    )
-      )
+    config.services.nginx.virtualHosts;
-      config.services.nginx.virtualHosts;
 
   security.acme = {
     defaults.email = "tm@tlater.net";
     acceptTerms = true;
 
     certs."tlater.net" = {
-      extraDomainNames = [ "*.tlater.net" ];
+      extraDomainNames = ["*.tlater.net"];
       dnsProvider = "hetzner";
       group = "nginx";
       credentialFiles."HETZNER_API_KEY_FILE" = config.sops.secrets."hetzner-api".path;
@@ -63,6 +62,6 @@
     user = "acme";
     paths =
       lib.mapAttrsToList (virtualHost: _: "/var/lib/acme/${virtualHost}")
-        config.services.nginx.virtualHosts;
+      config.services.nginx.virtualHosts;
   };
 }

configuration/services/afvalcalendar.nix

@@ -1,11 +1,12 @@
-{ pkgs
+{
-, config
+  pkgs,
-, ...
+  config,
+  ...
 }: {
   systemd.services.afvalcalendar = {
     description = "Enschede afvalcalendar -> ical converter";
-    wantedBy = [ "multi-user.target" ];
+    wantedBy = ["multi-user.target"];
-    after = [ "network.target" ];
+    after = ["network.target"];
 
     script = ''
       ${pkgs.local.afvalcalendar}/bin/afvalcalendar > /srv/afvalcalendar/afvalcalendar.ical
@@ -25,14 +26,14 @@
       ProtectKernelModules = true;
       ProtectKernelLogs = true;
       ProtectControlGroups = true;
-      RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
+      RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6"];
       RestrictNamespaces = true;
       LockPersonality = true;
       MemoryDenyWriteExecute = true;
       RestrictRealtime = true;
       RestrictSUIDSGID = true;
       SystemCallArchitectures = "native";
-      SystemCallFilter = [ "@system-service" "~@privileged @resources @setuid @keyring" ];
+      SystemCallFilter = ["@system-service" "~@privileged @resources @setuid @keyring"];
 
       Umask = 0002;
       SupplementaryGroups = "afvalcalendar-hosting";
@@ -49,7 +50,7 @@
     root = "/srv/afvalcalendar";
   };
 
-  users.groups.afvalcalendar-hosting = { };
+  users.groups.afvalcalendar-hosting = {};
   systemd.tmpfiles.settings."10-afvalcalendar" = {
     "/srv/afvalcalendar".d = {
       user = "nginx";

configuration/services/backups.nix

@@ -1,9 +1,9 @@
-{ config
+{
-, pkgs
+  config,
-, lib
+  pkgs,
-, ...
+  lib,
-}:
+  ...
-let
+}: let
   inherit (lib) types optional singleton;
   mkShutdownScript = service:
     pkgs.writeShellScript "backup-${service}-shutdown" ''
@@ -42,17 +42,17 @@ let
     RESTIC_REPOSITORY = "rclone:storagebox:backups";
     RCLONE_CONFIG = rcloneConfig;
   };
-in
+in {
-{
   options = {
     services.backups = lib.mkOption {
       description = lib.mdDoc ''
         Configure restic backups with a specific tag.
       '';
-      type = types.attrsOf (types.submodule ({ config
+      type = types.attrsOf (types.submodule ({
-                                             , name
+        config,
-                                             , ...
+        name,
-                                             }: {
+        ...
+      }: {
         options = {
           user = lib.mkOption {
             type = types.str;
@@ -76,7 +76,7 @@ in
           preparation = {
             packages = lib.mkOption {
               type = types.listOf types.package;
-              default = [ ];
+              default = [];
               description = ''
                 The list of packages to make available in the
                 preparation script.
@@ -97,7 +97,7 @@ in
           cleanup = {
             packages = lib.mkOption {
               type = types.listOf types.package;
-              default = [ ];
+              default = [];
               description = ''
                 The list of packages to make available in the
                 cleanup script.
@@ -116,7 +116,7 @@ in
           };
           pauseServices = lib.mkOption {
             type = types.listOf types.str;
-            default = [ ];
+            default = [];
             description = ''
               The systemd services that need to be shut down before
               the backup can run. Services will be restarted after the
@@ -131,7 +131,7 @@ in
     };
   };
 
-  config = lib.mkIf (config.services.backups != { }) {
+  config = lib.mkIf (config.services.backups != {}) {
     systemd.services =
       {
         restic-prune = {
@@ -164,81 +164,79 @@ in
           };
         };
       }
-      // lib.mapAttrs'
+      // lib.mapAttrs' (name: backup:
-        (name: backup:
+        lib.nameValuePair "backup-${name}" {
-          lib.nameValuePair "backup-${name}" {
+          # Don't want to restart mid-backup
-            # Don't want to restart mid-backup
+          restartIfChanged = false;
-            restartIfChanged = false;
 
-            environment =
+          environment =
-              resticEnv
+            resticEnv
-              // {
+            // {
-                RESTIC_CACHE_DIR = "%C/backup-${name}";
+              RESTIC_CACHE_DIR = "%C/backup-${name}";
-              };
+            };
 
-            path = with pkgs; [
+          path = with pkgs; [
-              coreutils
+            coreutils
-              openssh
+            openssh
-              rclone
+            rclone
-              restic
+            restic
+          ];
+
+          # TODO(tlater): If I ever add more than one repo, service
+          # shutdown/restarting will potentially break if multiple
+          # backups for the same service overlap. A more clever
+          # sentinel file with reference counts would probably solve
+          # this.
+          serviceConfig = {
+            User = backup.user;
+            Group = "backup";
+            RuntimeDirectory = "backup-${name}";
+            CacheDirectory = "backup-${name}";
+            CacheDirectoryMode = "0700";
+            PrivateTmp = true;
+
+            ExecStart = [
+              (lib.concatStringsSep " " (["${pkgs.restic}/bin/restic" "backup" "--tag" name] ++ backup.paths))
             ];
 
-            # TODO(tlater): If I ever add more than one repo, service
+            ExecStartPre =
-            # shutdown/restarting will potentially break if multiple
+              map (service: "+${mkShutdownScript service}") backup.pauseServices
-            # backups for the same service overlap. A more clever
+              ++ singleton (writeScript "backup-${name}-repo-init" [] ''
-            # sentinel file with reference counts would probably solve
+                restic snapshots || restic init
-            # this.
+              '')
-            serviceConfig = {
+              ++ optional (backup.preparation.text != null)
-              User = backup.user;
+              (writeScript "backup-${name}-prepare" backup.preparation.packages backup.preparation.text);
-              Group = "backup";
-              RuntimeDirectory = "backup-${name}";
-              CacheDirectory = "backup-${name}";
-              CacheDirectoryMode = "0700";
-              PrivateTmp = true;
 
-              ExecStart = [
+            # TODO(tlater): Add repo pruning/checking
-                (lib.concatStringsSep " " ([ "${pkgs.restic}/bin/restic" "backup" "--tag" name ] ++ backup.paths))
+            ExecStopPost =
-              ];
+              map (service: "+${mkRestartScript service}") backup.pauseServices
-
+              ++ optional (backup.cleanup.text != null)
-              ExecStartPre =
+              (writeScript "backup-${name}-cleanup" backup.cleanup.packages backup.cleanup.text);
-                map (service: "+${mkShutdownScript service}") backup.pauseServices
+          };
-                ++ singleton (writeScript "backup-${name}-repo-init" [ ] ''
+        })
-                  restic snapshots || restic init
+      config.services.backups;
-                '')
-                ++ optional (backup.preparation.text != null)
-                  (writeScript "backup-${name}-prepare" backup.preparation.packages backup.preparation.text);
-
-              # TODO(tlater): Add repo pruning/checking
-              ExecStopPost =
-                map (service: "+${mkRestartScript service}") backup.pauseServices
-                ++ optional (backup.cleanup.text != null)
-                  (writeScript "backup-${name}-cleanup" backup.cleanup.packages backup.cleanup.text);
-            };
-          })
-        config.services.backups;
 
     systemd.timers =
       {
         restic-prune = {
-          wantedBy = [ "timers.target" ];
+          wantedBy = ["timers.target"];
           timerConfig.OnCalendar = "Thursday 03:00:00 UTC";
           # Don't make this persistent, in case the server was offline
           # for a while. This job cannot run at the same time as any
           # of the backup jobs.
         };
       }
-      // lib.mapAttrs'
+      // lib.mapAttrs' (name: backup:
-        (name: backup:
+        lib.nameValuePair "backup-${name}" {
-          lib.nameValuePair "backup-${name}" {
+          wantedBy = ["timers.target"];
-            wantedBy = [ "timers.target" ];
+          timerConfig = {
-            timerConfig = {
+            OnCalendar = "Wednesday 02:30:00 UTC";
-              OnCalendar = "Wednesday 02:30:00 UTC";
+            RandomizedDelaySec = "1h";
-              RandomizedDelaySec = "1h";
+            FixedRandomDelay = true;
-              FixedRandomDelay = true;
+            Persistent = true;
-              Persistent = true;
+          };
-            };
+        })
-          })
+      config.services.backups;
-        config.services.backups;
 
     users = {
       # This user is only used to own the ssh key, because apparently
@@ -247,7 +245,7 @@ in
         group = "backup";
         isSystemUser = true;
       };
-      groups.backup = { };
+      groups.backup = {};
     };
   };
 }

configuration/services/battery-manager.nix

@@ -1,6 +1,7 @@
-{ config
+{
-, flake-inputs
+  config,
-, ...
+  flake-inputs,
+  ...
 }: {
   imports = [
     flake-inputs.sonnenshift.nixosModules.default

configuration/services/conduit.nix

@@ -1,16 +1,15 @@
-{ pkgs
+{
-, config
+  pkgs,
-, lib
+  config,
-, ...
+  lib,
-}:
+  ...
-let
+}: let
   inherit (lib.strings) concatMapStringsSep;
 
   cfg = config.services.matrix-conduit;
   domain = "matrix.${config.services.nginx.domain}";
   turn-realm = "turn.${config.services.nginx.domain}";
-in
+in {
-{
   services.matrix-conduit = {
     enable = true;
     settings.global = {
@@ -18,102 +17,98 @@ in
       server_name = domain;
       database_backend = "rocksdb";
 
-      turn_uris =
+      turn_uris = let
-        let
+        address = "${config.services.coturn.realm}:${toString config.services.coturn.listening-port}";
-          address = "${config.services.coturn.realm}:${toString config.services.coturn.listening-port}";
+        tls-address = "${config.services.coturn.realm}:${toString config.services.coturn.tls-listening-port}";
-          tls-address = "${config.services.coturn.realm}:${toString config.services.coturn.tls-listening-port}";
+      in [
-        in
+        "turn:${address}?transport=udp"
-        [
+        "turn:${address}?transport=tcp"
-          "turn:${address}?transport=udp"
+        "turns:${tls-address}?transport=udp"
-          "turn:${address}?transport=tcp"
+        "turns:${tls-address}?transport=tcp"
-          "turns:${tls-address}?transport=udp"
+      ];
-          "turns:${tls-address}?transport=tcp"
-        ];
     };
   };
 
-  systemd.services.heisenbridge =
+  systemd.services.heisenbridge = let
-    let
+    replaceSecretBin = "${pkgs.replace-secret}/bin/replace-secret";
-      replaceSecretBin = "${pkgs.replace-secret}/bin/replace-secret";
+    registrationFile = builtins.toFile "heisenbridge-registration.yaml" (builtins.toJSON {
-      registrationFile = builtins.toFile "heisenbridge-registration.yaml" (builtins.toJSON {
+      id = "heisenbridge";
-        id = "heisenbridge";
+      url = "http://127.0.0.1:9898";
-        url = "http://127.0.0.1:9898";
+      as_token = "@AS_TOKEN@";
-        as_token = "@AS_TOKEN@";
+      hs_token = "@HS_TOKEN@";
-        hs_token = "@HS_TOKEN@";
+      rate_limited = false;
-        rate_limited = false;
+      sender_localpart = "heisenbridge";
-        sender_localpart = "heisenbridge";
+      namespaces = {
-        namespaces = {
+        users = [
-          users = [
+          {
-            {
+            regex = "@irc_.*";
-              regex = "@irc_.*";
+            exclusive = true;
-              exclusive = true;
+          }
-            }
+          {
-            {
+            regex = "@heisenbridge:.*";
-              regex = "@heisenbridge:.*";
+            exclusive = true;
-              exclusive = true;
+          }
-            }
+        ];
-          ];
+        aliases = [];
-          aliases = [ ];
+        rooms = [];
-          rooms = [ ];
-        };
-      });
-
-      # TODO(tlater): Starting with systemd 253 it will become possible
-      # to do the credential setup as part of ExecStartPre/preStart
-      # instead.
-      #
-      # This will also make it possible to actually set caps on the
-      # heisenbridge process using systemd, so that we can run the
-      # identd process.
-      execScript = pkgs.writeShellScript "heisenbridge" ''
-        cp ${registrationFile} "$RUNTIME_DIRECTORY/heisenbridge-registration.yaml"
-        chmod 600 $RUNTIME_DIRECTORY/heisenbridge-registration.yaml
-        ${replaceSecretBin} '@AS_TOKEN@' "$CREDENTIALS_DIRECTORY/heisenbridge_as-token" "$RUNTIME_DIRECTORY/heisenbridge-registration.yaml"
-        ${replaceSecretBin} '@HS_TOKEN@' "$CREDENTIALS_DIRECTORY/heisenbridge_hs-token" "$RUNTIME_DIRECTORY/heisenbridge-registration.yaml"
-        chmod 400 $RUNTIME_DIRECTORY/heisenbridge-registration.yaml
-
-        ${pkgs.heisenbridge}/bin/heisenbridge \
-            --config $RUNTIME_DIRECTORY/heisenbridge-registration.yaml \
-            --owner @tlater:matrix.tlater.net \
-            'http://localhost:${toString cfg.settings.global.port}'
-      '';
-    in
-    {
-      description = "Matrix<->IRC bridge";
-      wantedBy = [ "multi-user.target" ];
-      after = [ "conduit.service" ];
-
-      serviceConfig = {
-        Type = "simple";
-
-        LoadCredential = "heisenbridge:/run/secrets/heisenbridge";
-
-        ExecStart = execScript;
-
-        DynamicUser = true;
-        RuntimeDirectory = "heisenbridge";
-        RuntimeDirectoryMode = "0700";
-
-        RestrictNamespaces = true;
-        PrivateUsers = true;
-        ProtectHostname = true;
-        ProtectClock = true;
-        ProtectKernelTunables = true;
-        ProtectKernelModules = true;
-        ProtectKernelLogs = true;
-        ProtectControlGroups = true;
-        RestrictAddressFamilies = [ "AF_INET AF_INET6" ];
-        LockPersonality = true;
-        RestrictRealtime = true;
-        ProtectProc = "invisible";
-        ProcSubset = "pid";
-        UMask = 0077;
-
-        # For the identd port
-        # CapabilityBoundingSet = ["CAP_NET_BIND_SERVICE"];
-        # AmbientCapabilities = ["CAP_NET_BIND_SERVICE"];
       };
+    });
+
+    # TODO(tlater): Starting with systemd 253 it will become possible
+    # to do the credential setup as part of ExecStartPre/preStart
+    # instead.
+    #
+    # This will also make it possible to actually set caps on the
+    # heisenbridge process using systemd, so that we can run the
+    # identd process.
+    execScript = pkgs.writeShellScript "heisenbridge" ''
+      cp ${registrationFile} "$RUNTIME_DIRECTORY/heisenbridge-registration.yaml"
+      chmod 600 $RUNTIME_DIRECTORY/heisenbridge-registration.yaml
+      ${replaceSecretBin} '@AS_TOKEN@' "$CREDENTIALS_DIRECTORY/heisenbridge_as-token" "$RUNTIME_DIRECTORY/heisenbridge-registration.yaml"
+      ${replaceSecretBin} '@HS_TOKEN@' "$CREDENTIALS_DIRECTORY/heisenbridge_hs-token" "$RUNTIME_DIRECTORY/heisenbridge-registration.yaml"
+      chmod 400 $RUNTIME_DIRECTORY/heisenbridge-registration.yaml
+
+      ${pkgs.heisenbridge}/bin/heisenbridge \
+          --config $RUNTIME_DIRECTORY/heisenbridge-registration.yaml \
+          --owner @tlater:matrix.tlater.net \
+          'http://localhost:${toString cfg.settings.global.port}'
+    '';
+  in {
+    description = "Matrix<->IRC bridge";
+    wantedBy = ["multi-user.target"];
+    after = ["conduit.service"];
+
+    serviceConfig = {
+      Type = "simple";
+
+      LoadCredential = "heisenbridge:/run/secrets/heisenbridge";
+
+      ExecStart = execScript;
+
+      DynamicUser = true;
+      RuntimeDirectory = "heisenbridge";
+      RuntimeDirectoryMode = "0700";
+
+      RestrictNamespaces = true;
+      PrivateUsers = true;
+      ProtectHostname = true;
+      ProtectClock = true;
+      ProtectKernelTunables = true;
+      ProtectKernelModules = true;
+      ProtectKernelLogs = true;
+      ProtectControlGroups = true;
+      RestrictAddressFamilies = ["AF_INET AF_INET6"];
+      LockPersonality = true;
+      RestrictRealtime = true;
+      ProtectProc = "invisible";
+      ProcSubset = "pid";
+      UMask = 0077;
+
+      # For the identd port
+      # CapabilityBoundingSet = ["CAP_NET_BIND_SERVICE"];
+      # AmbientCapabilities = ["CAP_NET_BIND_SERVICE"];
     };
+  };
 
   # Pass in the TURN secret via EnvironmentFile, not supported by
   # upstream module currently.
@@ -254,6 +249,6 @@ in
     ];
     # Other services store their data in conduit, so no other services
     # need to be shut down currently.
-    pauseServices = [ "conduit.service" ];
+    pauseServices = ["conduit.service"];
   };
 }

configuration/services/fail2ban.nix

@@ -1,7 +1,7 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   services.fail2ban = {
     enable = true;
-    extraPackages = [ pkgs.ipset ];
+    extraPackages = [pkgs.ipset];
     banaction = "iptables-ipset-proto6-allports";
     bantime-increment.enable = true;
 
@@ -21,7 +21,7 @@
   };
 
   # Allow metrics services to connect to the socket as well
-  users.groups.fail2ban = { };
+  users.groups.fail2ban = {};
   systemd.services.fail2ban.serviceConfig = {
     ExecStartPost =
       "+"

configuration/services/foundryvtt.nix

@@ -1,13 +1,12 @@
-{ lib
-, config
-, flake-inputs
-, ...
-}:
-let
-  domain = "foundryvtt.${config.services.nginx.domain}";
-in
 {
-  imports = [ flake-inputs.foundryvtt.nixosModules.foundryvtt ];
+  lib,
+  config,
+  flake-inputs,
+  ...
+}: let
+  domain = "foundryvtt.${config.services.nginx.domain}";
+in {
+  imports = [flake-inputs.foundryvtt.nixosModules.foundryvtt];
 
   services.foundryvtt = {
     enable = true;
@@ -19,28 +18,26 @@ in
 
   # Want to start it manually when I need it, not have it constantly
   # running
-  systemd.services.foundryvtt.wantedBy = lib.mkForce [ ];
+  systemd.services.foundryvtt.wantedBy = lib.mkForce [];
 
-  services.nginx.virtualHosts."${domain}" =
+  services.nginx.virtualHosts."${domain}" = let
-    let
+    inherit (config.services.foundryvtt) port;
-      inherit (config.services.foundryvtt) port;
+  in {
-    in
+    forceSSL = true;
-    {
+    useACMEHost = "tlater.net";
-      forceSSL = true;
+    enableHSTS = true;
-      useACMEHost = "tlater.net";
-      enableHSTS = true;
 
-      locations."/" = {
+    locations."/" = {
-        proxyWebsockets = true;
+      proxyWebsockets = true;
-        proxyPass = "http://localhost:${toString port}";
+      proxyPass = "http://localhost:${toString port}";
-      };
     };
+  };
 
   services.backups.foundryvtt = {
     user = "foundryvtt";
     paths = [
       config.services.foundryvtt.dataDir
     ];
-    pauseServices = [ "foundryvtt.service" ];
+    pauseServices = ["foundryvtt.service"];
   };
 }

configuration/services/gitea.nix

@@ -1,12 +1,11 @@
-{ pkgs
-, config
-, lib
-, ...
-}:
-let
-  domain = "gitea.${config.services.nginx.domain}";
-in
 {
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  domain = "gitea.${config.services.nginx.domain}";
+in {
   services.forgejo = {
     enable = true;
     database.type = "postgres";
@@ -28,37 +27,33 @@ in
     };
   };
 
-  systemd.services.forgejo.serviceConfig.ExecStartPre =
+  systemd.services.forgejo.serviceConfig.ExecStartPre = let
-    let
+    replaceSecretBin = "${pkgs.replace-secret}/bin/replace-secret";
-      replaceSecretBin = "${pkgs.replace-secret}/bin/replace-secret";
+    secretPath = config.sops.secrets."forgejo/metrics-token".path;
-      secretPath = config.sops.secrets."forgejo/metrics-token".path;
+    runConfig = "${config.services.forgejo.customDir}/conf/app.ini";
-      runConfig = "${config.services.forgejo.customDir}/conf/app.ini";
+  in [
-    in
+    "+${replaceSecretBin} '#metricstoken#' '${secretPath}' '${runConfig}'"
-    [
+  ];
-      "+${replaceSecretBin} '#metricstoken#' '${secretPath}' '${runConfig}'"
-    ];
 
   # Set up SSL
-  services.nginx.virtualHosts."${domain}" =
+  services.nginx.virtualHosts."${domain}" = let
-    let
+    httpAddress = config.services.forgejo.settings.server.HTTP_ADDR;
-      httpAddress = config.services.forgejo.settings.server.HTTP_ADDR;
+    httpPort = config.services.forgejo.settings.server.HTTP_PORT;
-      httpPort = config.services.forgejo.settings.server.HTTP_PORT;
+  in {
-    in
+    forceSSL = true;
-    {
+    useACMEHost = "tlater.net";
-      forceSSL = true;
+    enableHSTS = true;
-      useACMEHost = "tlater.net";
-      enableHSTS = true;
 
-      locations."/".proxyPass = "http://${httpAddress}:${toString httpPort}";
+    locations."/".proxyPass = "http://${httpAddress}:${toString httpPort}";
-      locations."/metrics" = {
+    locations."/metrics" = {
-        extraConfig = ''
+      extraConfig = ''
-          access_log off;
+        access_log off;
-          allow 127.0.0.1;
+        allow 127.0.0.1;
-          ${lib.optionalString config.networking.enableIPv6 "allow ::1;"}
+        ${lib.optionalString config.networking.enableIPv6 "allow ::1;"}
-          deny all;
+        deny all;
-        '';
+      '';
-      };
     };
+  };
 
   # Block repeated failed login attempts
   #
@@ -88,13 +83,13 @@ in
       # Conf is backed up via nix
     ];
     preparation = {
-      packages = [ config.services.postgresql.package ];
+      packages = [config.services.postgresql.package];
       text = "pg_dump ${config.services.forgejo.database.name} --file=/var/lib/forgejo/forgejo-db.sql";
     };
     cleanup = {
-      packages = [ pkgs.coreutils ];
+      packages = [pkgs.coreutils];
       text = "rm /var/lib/forgejo/forgejo-db.sql";
     };
-    pauseServices = [ "forgejo.service" ];
+    pauseServices = ["forgejo.service"];
   };
 }

configuration/services/metrics/exporters.nix

@@ -1,28 +1,25 @@
-{ config
-, pkgs
-, lib
-, ...
-}:
-let
-  yaml = pkgs.formats.yaml { };
-in
 {
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  yaml = pkgs.formats.yaml {};
+in {
   services.prometheus = {
     exporters = {
       # Periodically check domain registration status
       domain = {
         enable = true;
         listenAddress = "127.0.0.1";
-        extraFlags =
+        extraFlags = let
-          let
+          conf.domains = [
-            conf.domains = [
+            "tlater.net"
-              "tlater.net"
+            "tlater.com"
-              "tlater.com"
-            ];
-          in
-          [
-            "--config=${yaml.generate "domains.yml" conf}"
           ];
+        in [
+          "--config=${yaml.generate "domains.yml" conf}"
+        ];
       };
 
       # System statistics
@@ -52,50 +49,47 @@ in
         group = "nginx";
 
         settings.namespaces =
-          lib.mapAttrsToList
+          lib.mapAttrsToList (name: virtualHost: {
-            (name: virtualHost: {
+            inherit name;
-              inherit name;
+            metrics_override.prefix = "nginxlog";
-              metrics_override.prefix = "nginxlog";
+            namespace_label = "vhost";
-              namespace_label = "vhost";
 
-              format = lib.concatStringsSep " " [
+            format = lib.concatStringsSep " " [
-                "$remote_addr - $remote_user [$time_local]"
+              "$remote_addr - $remote_user [$time_local]"
-                ''"$request" $status $body_bytes_sent''
+              ''"$request" $status $body_bytes_sent''
-                ''"$http_referer" "$http_user_agent"''
+              ''"$http_referer" "$http_user_agent"''
-                ''rt=$request_time uct="$upstream_connect_time"''
+              ''rt=$request_time uct="$upstream_connect_time"''
-                ''uht="$upstream_header_time" urt="$upstream_response_time"''
+              ''uht="$upstream_header_time" urt="$upstream_response_time"''
-              ];
+            ];
 
-              source.files = [
+            source.files = [
-                "/var/log/nginx/${name}/access.log"
+              "/var/log/nginx/${name}/access.log"
-              ];
+            ];
-            })
+          })
-            config.services.nginx.virtualHosts;
+          config.services.nginx.virtualHosts;
       };
     };
 
     extraExporters = {
-      fail2ban =
+      fail2ban = let
-        let
+        cfg = config.services.prometheus.extraExporters.fail2ban;
-          cfg = config.services.prometheus.extraExporters.fail2ban;
+      in {
-        in
+        port = 9191;
-        {
+        serviceOpts = {
-          port = 9191;
+          after = ["fail2ban.service"];
-          serviceOpts = {
+          requires = ["fail2ban.service"];
-            after = [ "fail2ban.service" ];
+          serviceConfig = {
-            requires = [ "fail2ban.service" ];
+            Group = "fail2ban";
-            serviceConfig = {
+            RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6"];
-              Group = "fail2ban";
+            ExecStart = lib.concatStringsSep " " [
-              RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" ];
+              "${pkgs.local.prometheus-fail2ban-exporter}/bin/fail2ban-prometheus-exporter"
-              ExecStart = lib.concatStringsSep " " [
+              "--collector.f2b.socket=/var/run/fail2ban/fail2ban.sock"
-                "${pkgs.local.prometheus-fail2ban-exporter}/bin/fail2ban-prometheus-exporter"
+              "--web.listen-address='${cfg.listenAddress}:${toString cfg.port}'"
-                "--collector.f2b.socket=/var/run/fail2ban/fail2ban.sock"
+              "--collector.f2b.exit-on-socket-connection-error=true"
-                "--web.listen-address='${cfg.listenAddress}:${toString cfg.port}'"
+            ];
-                "--collector.f2b.exit-on-socket-connection-error=true"
-              ];
-            };
           };
         };
+      };
     };
 
     # TODO(tlater):

configuration/services/metrics/grafana.nix

@@ -1,8 +1,6 @@
-{ config, ... }:
+{config, ...}: let
-let
   domain = "metrics.${config.services.nginx.domain}";
-in
+in {
-{
   services.grafana = {
     enable = true;
     settings = {

configuration/services/metrics/options.nix

@@ -1,13 +1,12 @@
-{ pkgs
-, config
-, lib
-, ...
-}:
-let
-  inherit (lib) types mkOption mkDefault;
-  yaml = pkgs.formats.yaml { };
-in
 {
+  pkgs,
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) types mkOption mkDefault;
+  yaml = pkgs.formats.yaml {};
+in {
   options = {
     services.prometheus = {
       extraExporters = mkOption {
@@ -32,10 +31,11 @@ in
     };
 
     services.victoriametrics.scrapeConfigs = mkOption {
-      type = types.attrsOf (types.submodule ({ name
+      type = types.attrsOf (types.submodule ({
-                                             , self
+        name,
-                                             , ...
+        self,
-                                             }: {
+        ...
+      }: {
         options = {
           job_name = mkOption {
             type = types.str;
@@ -47,7 +47,7 @@ in
             description = ''
               Other settings to set for this scrape config.
             '';
-            default = { };
+            default = {};
           };
 
           targets = mkOption {
@@ -57,11 +57,11 @@ in
 
               Shortcut for `static_configs = lib.singleton {targets = [<targets>];}`
             '';
-            default = [ ];
+            default = [];
           };
 
           static_configs = mkOption {
-            default = [ ];
+            default = [];
             type = types.listOf (types.submodule {
               options = {
                 targets = mkOption {
@@ -77,7 +77,7 @@ in
                   description = lib.mdDoc ''
                     Labels to apply to all targets defined for this static config.
                   '';
-                  default = { };
+                  default = {};
                 };
               };
             });
@@ -89,125 +89,116 @@ in
 
   config = {
     systemd.services = lib.mkMerge [
-      (lib.mapAttrs'
+      (lib.mapAttrs' (name: exporter:
-        (name: exporter:
+        lib.nameValuePair "prometheus-${name}-exporter" (lib.mkMerge [
-          lib.nameValuePair "prometheus-${name}-exporter" (lib.mkMerge [
+          {
-            {
+            # Shamelessly copied from upstream because the upstream
-              # Shamelessly copied from upstream because the upstream
+            # module is an intractable mess
-              # module is an intractable mess
+            wantedBy = ["multi-user.target"];
-              wantedBy = [ "multi-user.target" ];
+            after = ["network.target"];
-              after = [ "network.target" ];
+            serviceConfig.Restart = mkDefault "always";
-              serviceConfig.Restart = mkDefault "always";
+            serviceConfig.PrivateTmp = mkDefault true;
-              serviceConfig.PrivateTmp = mkDefault true;
+            serviceConfig.WorkingDirectory = mkDefault /tmp;
-              serviceConfig.WorkingDirectory = mkDefault /tmp;
+            serviceConfig.DynamicUser = mkDefault true;
-              serviceConfig.DynamicUser = mkDefault true;
+            # Hardening
-              # Hardening
+            serviceConfig.CapabilityBoundingSet = mkDefault [""];
-              serviceConfig.CapabilityBoundingSet = mkDefault [ "" ];
+            serviceConfig.DeviceAllow = [""];
-              serviceConfig.DeviceAllow = [ "" ];
+            serviceConfig.LockPersonality = true;
-              serviceConfig.LockPersonality = true;
+            serviceConfig.MemoryDenyWriteExecute = true;
-              serviceConfig.MemoryDenyWriteExecute = true;
+            serviceConfig.NoNewPrivileges = true;
-              serviceConfig.NoNewPrivileges = true;
+            serviceConfig.PrivateDevices = mkDefault true;
-              serviceConfig.PrivateDevices = mkDefault true;
+            serviceConfig.ProtectClock = mkDefault true;
-              serviceConfig.ProtectClock = mkDefault true;
+            serviceConfig.ProtectControlGroups = true;
-              serviceConfig.ProtectControlGroups = true;
+            serviceConfig.ProtectHome = true;
-              serviceConfig.ProtectHome = true;
+            serviceConfig.ProtectHostname = true;
-              serviceConfig.ProtectHostname = true;
+            serviceConfig.ProtectKernelLogs = true;
-              serviceConfig.ProtectKernelLogs = true;
+            serviceConfig.ProtectKernelModules = true;
-              serviceConfig.ProtectKernelModules = true;
+            serviceConfig.ProtectKernelTunables = true;
-              serviceConfig.ProtectKernelTunables = true;
+            serviceConfig.ProtectSystem = mkDefault "strict";
-              serviceConfig.ProtectSystem = mkDefault "strict";
+            serviceConfig.RemoveIPC = true;
-              serviceConfig.RemoveIPC = true;
+            serviceConfig.RestrictAddressFamilies = ["AF_INET" "AF_INET6"];
-              serviceConfig.RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
+            serviceConfig.RestrictNamespaces = true;
-              serviceConfig.RestrictNamespaces = true;
+            serviceConfig.RestrictRealtime = true;
-              serviceConfig.RestrictRealtime = true;
+            serviceConfig.RestrictSUIDSGID = true;
-              serviceConfig.RestrictSUIDSGID = true;
+            serviceConfig.SystemCallArchitectures = "native";
-              serviceConfig.SystemCallArchitectures = "native";
+            serviceConfig.UMask = "0077";
-              serviceConfig.UMask = "0077";
+          }
-            }
+          exporter.serviceOpts
-            exporter.serviceOpts
+        ]))
-          ]))
+      config.services.prometheus.extraExporters)
-        config.services.prometheus.extraExporters)
 
       {
-        vmagent-scrape-exporters =
+        vmagent-scrape-exporters = let
-          let
+          listenAddress = config.services.victoriametrics.listenAddress;
-            listenAddress = config.services.victoriametrics.listenAddress;
+          vmAddr = (lib.optionalString (lib.hasPrefix ":" listenAddress) "127.0.0.1") + listenAddress;
-            vmAddr = (lib.optionalString (lib.hasPrefix ":" listenAddress) "127.0.0.1") + listenAddress;
+          promscrape = yaml.generate "prometheus.yml" {
-            promscrape = yaml.generate "prometheus.yml" {
+            scrape_configs = lib.mapAttrsToList (_: scrape:
-              scrape_configs = lib.mapAttrsToList
+              lib.recursiveUpdate {
-                (_: scrape:
+                inherit (scrape) job_name;
-                  lib.recursiveUpdate
+                static_configs =
-                    {
+                  scrape.static_configs
-                      inherit (scrape) job_name;
+                  ++ lib.optional (scrape.targets != []) {targets = scrape.targets;};
-                      static_configs =
+              }
-                        scrape.static_configs
+              scrape.extraSettings)
-                        ++ lib.optional (scrape.targets != [ ]) { targets = scrape.targets; };
+            config.services.victoriametrics.scrapeConfigs;
-                    }
-                    scrape.extraSettings)
-                config.services.victoriametrics.scrapeConfigs;
-            };
-          in
-          {
-            enable = true;
-            path = [ pkgs.victoriametrics ];
-            wantedBy = [ "multi-user.target" ];
-            after = [ "network.target" "victoriametrics.service" ];
-            serviceConfig = {
-              ExecStart = [
-                (lib.concatStringsSep " " [
-                  "${pkgs.victoriametrics}/bin/vmagent"
-                  "-promscrape.config=${promscrape}"
-                  "-remoteWrite.url=http://${vmAddr}/api/v1/write"
-                  "-remoteWrite.tmpDataPath=%t/vmagent"
-                ])
-              ];
-              SupplementaryGroups = "metrics";
-
-              DynamicUser = true;
-              RuntimeDirectory = "vmagent";
-              CapabilityBoundingSet = [ "" ];
-              DeviceAllow = [ "" ];
-              LockPersonality = true;
-              MemoryDenyWriteExecute = true;
-              NoNewPrivileges = true;
-              PrivateDevices = true;
-              ProtectClock = true;
-              ProtectControlGroups = true;
-              ProtectHome = true;
-              ProtectHostname = true;
-              ProtectKernelLogs = true;
-              ProtectKernelModules = true;
-              ProtectKernelTunables = true;
-              ProtectSystem = "strict";
-              RemoveIPC = true;
-              RestrictAddressFamilies = [ "AF_INET" "AF_INET6" ];
-              RestrictNamespaces = true;
-              RestrictRealtime = true;
-              RestrictSUIDSGID = true;
-              SystemCallArchitectures = "native";
-              UMask = "0077";
-            };
           };
+        in {
+          enable = true;
+          path = [pkgs.victoriametrics];
+          wantedBy = ["multi-user.target"];
+          after = ["network.target" "victoriametrics.service"];
+          serviceConfig = {
+            ExecStart = [
+              (lib.concatStringsSep " " [
+                "${pkgs.victoriametrics}/bin/vmagent"
+                "-promscrape.config=${promscrape}"
+                "-remoteWrite.url=http://${vmAddr}/api/v1/write"
+                "-remoteWrite.tmpDataPath=%t/vmagent"
+              ])
+            ];
+            SupplementaryGroups = "metrics";
+
+            DynamicUser = true;
+            RuntimeDirectory = "vmagent";
+            CapabilityBoundingSet = [""];
+            DeviceAllow = [""];
+            LockPersonality = true;
+            MemoryDenyWriteExecute = true;
+            NoNewPrivileges = true;
+            PrivateDevices = true;
+            ProtectClock = true;
+            ProtectControlGroups = true;
+            ProtectHome = true;
+            ProtectHostname = true;
+            ProtectKernelLogs = true;
+            ProtectKernelModules = true;
+            ProtectKernelTunables = true;
+            ProtectSystem = "strict";
+            RemoveIPC = true;
+            RestrictAddressFamilies = ["AF_INET" "AF_INET6"];
+            RestrictNamespaces = true;
+            RestrictRealtime = true;
+            RestrictSUIDSGID = true;
+            SystemCallArchitectures = "native";
+            UMask = "0077";
+          };
+        };
       }
     ];
 
-    users.groups.metrics = { };
+    users.groups.metrics = {};
 
-    services.victoriametrics.scrapeConfigs =
+    services.victoriametrics.scrapeConfigs = let
-      let
+      allExporters =
-        allExporters =
+        lib.mapAttrs (name: exporter: {
-          lib.mapAttrs
+          inherit (exporter) listenAddress port;
-            (name: exporter: {
+        }) ((lib.filterAttrs (_: exporter: builtins.isAttrs exporter && exporter.enable)
-              inherit (exporter) listenAddress port;
+          config.services.prometheus.exporters)
-            })
+        // config.services.prometheus.extraExporters);
-            ((lib.filterAttrs (_: exporter: builtins.isAttrs exporter && exporter.enable)
+    in
-              config.services.prometheus.exporters)
+      lib.mapAttrs (_: exporter: {
-            // config.services.prometheus.extraExporters);
+        targets = ["${exporter.listenAddress}:${toString exporter.port}"];
-      in
+      })
-      lib.mapAttrs
+      allExporters;
-        (_: exporter: {
-          targets = [ "${exporter.listenAddress}:${toString exporter.port}" ];
-        })
-        allExporters;
   };
 }

configuration/services/metrics/victoriametrics.nix

@@ -1,4 +1,4 @@
-{ config, ... }: {
+{config, ...}: {
   config.services.victoriametrics = {
     enable = true;
     extraOptions = [
@@ -7,10 +7,10 @@
 
     scrapeConfigs = {
       forgejo = {
-        targets = [ "127.0.0.1:${toString config.services.forgejo.settings.server.HTTP_PORT}" ];
+        targets = ["127.0.0.1:${toString config.services.forgejo.settings.server.HTTP_PORT}"];
         extraSettings.authorization.credentials_file = config.sops.secrets."forgejo/metrics-token".path;
       };
-      coturn.targets = [ "127.0.0.1:9641" ];
+      coturn.targets = ["127.0.0.1:9641"];
     };
   };
 }

configuration/services/nextcloud.nix

@@ -1,15 +1,14 @@
-{ pkgs
+{
-, config
+  pkgs,
-, ...
+  config,
-}:
+  ...
-let
+}: let
   # Update pending on rewrite of nextcloud news, though there is an
   # alpha to switch to if it becomes necessary:
   # https://github.com/nextcloud/news/issues/2610
   nextcloud = pkgs.nextcloud27;
   hostName = "nextcloud.${config.services.nginx.domain}";
-in
+in {
-{
   services.nextcloud = {
     inherit hostName;
 
@@ -43,7 +42,7 @@ in
   };
 
   # Ensure that this service doesn't start before postgres is ready
-  systemd.services.nextcloud-setup.after = [ "postgresql.service" ];
+  systemd.services.nextcloud-setup.after = ["postgresql.service"];
 
   # Set up SSL
   services.nginx.virtualHosts."${hostName}" = {

configuration/services/postgres.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }: {
+{pkgs, ...}: {
   services.postgresql = {
     package = pkgs.postgresql_14;
     enable = true;

configuration/services/starbound.nix

@@ -1,17 +1,16 @@
-{ pkgs
-, lib
-, ...
-}:
-let
-  inherit (lib) concatStringsSep;
-in
 {
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (lib) concatStringsSep;
+in {
   # Sadly, steam-run requires some X libs
   environment.noXlibs = false;
 
   systemd.services.starbound = {
     description = "Starbound";
-    after = [ "network.target" ];
+    after = ["network.target"];
 
     serviceConfig = {
       ExecStart = "${pkgs.local.starbound}/bin/launch-starbound ${./configs/starbound.json}";
@@ -68,7 +67,7 @@ in
       # Game servers shouldn't use cgroups themselves either
       ProtectControlGroups = true;
       # Most game servers will never need other socket types
-      RestrictAddressFamilies = [ "AF_UNIX AF_INET AF_INET6" ];
+      RestrictAddressFamilies = ["AF_UNIX AF_INET AF_INET6"];
       # Also a no-brainer, no game server should ever need this
       LockPersonality = true;
       # Some game servers will probably try to set this, but they
@@ -117,6 +116,6 @@ in
     paths = [
       "/var/lib/private/starbound/storage/universe/"
     ];
-    pauseServices = [ "starbound.service" ];
+    pauseServices = ["starbound.service"];
   };
 }

configuration/services/webserver.nix

@@ -1,8 +1,6 @@
-{ config, ... }:
+{config, ...}: let
-let
   domain = config.services.nginx.domain;
-in
+in {
-{
   services.tlaternet-webserver = {
     enable = true;
     listen = {
@@ -12,17 +10,15 @@ in
   };
 
   # Set up SSL
-  services.nginx.virtualHosts."${domain}" =
+  services.nginx.virtualHosts."${domain}" = let
-    let
+    inherit (config.services.tlaternet-webserver.listen) addr port;
-      inherit (config.services.tlaternet-webserver.listen) addr port;
+  in {
-    in
+    serverAliases = ["www.${domain}"];
-    {
-      serverAliases = [ "www.${domain}" ];
 
-      forceSSL = true;
+    forceSSL = true;
-      useACMEHost = "tlater.net";
+    useACMEHost = "tlater.net";
-      enableHSTS = true;
+    enableHSTS = true;
 
-      locations."/".proxyPass = "http://${addr}:${toString port}";
+    locations."/".proxyPass = "http://${addr}:${toString port}";
-    };
+  };
 }

configuration/services/wireguard.nix

@@ -1,4 +1,4 @@
-{ config, ... }: {
+{config, ...}: {
   # iptables needs to permit forwarding from wg0 to wg0
   networking.firewall.extraCommands = ''
     iptables -A FORWARD -i wg0 -o wg0 -j ACCEPT
@@ -26,7 +26,7 @@
           {
             # yui
             wireguardPeerConfig = {
-              AllowedIPs = [ "10.45.249.2/32" ];
+              AllowedIPs = ["10.45.249.2/32"];
               PublicKey = "5mlnqEVJWks5OqgeFA2bLIrvST9TlCE81Btl+j4myz0=";
             };
           }
@@ -34,7 +34,7 @@
           {
             # yuanyuan
             wireguardPeerConfig = {
-              AllowedIPs = [ "10.45.249.10/32" ];
+              AllowedIPs = ["10.45.249.10/32"];
               PublicKey = "0UsFE2atz/O5P3OKQ8UHyyyGQNJbp1MeIWUJLuoerwE=";
             };
           }

configuration/sops.nix

@@ -31,8 +31,8 @@
       };
 
       # Heisenbridge
-      "heisenbridge/as-token" = { };
+      "heisenbridge/as-token" = {};
-      "heisenbridge/hs-token" = { };
+      "heisenbridge/hs-token" = {};
 
       "hetzner-api" = {
         owner = "acme";
@@ -62,10 +62,10 @@
       };
 
       # Steam
-      "steam/tlater" = { };
+      "steam/tlater" = {};
 
       # Turn
-      "turn/env" = { };
+      "turn/env" = {};
       "turn/secret" = {
         owner = "turnserver";
       };

flake.nix

@@ -32,130 +32,126 @@
     };
   };
 
-  outputs =
+  outputs = {
-    { self
+    self,
-    , nixpkgs
+    nixpkgs,
-    , sops-nix
+    sops-nix,
-    , nvfetcher
+    nvfetcher,
-    , deploy-rs
+    deploy-rs,
-    , ...
+    ...
-    } @ inputs:
+  } @ inputs: let
-    let
+    system = "x86_64-linux";
-      system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
-      pkgs = nixpkgs.legacyPackages.${system};
+  in {
-    in
+    ##################
-    {
+    # Configurations #
-      ##################
+    ##################
-      # Configurations #
+    nixosConfigurations = {
-      ##################
+      # The actual system definition
-      nixosConfigurations = {
+      hetzner-1 = nixpkgs.lib.nixosSystem {
-        # The actual system definition
+        inherit system;
-        hetzner-1 = nixpkgs.lib.nixosSystem {
+        specialArgs.flake-inputs = inputs;
-          inherit system;
-          specialArgs.flake-inputs = inputs;
 
-          modules = [
+        modules = [
-            ./configuration
+          ./configuration
-            ./configuration/hardware-specific/hetzner
+          ./configuration/hardware-specific/hetzner
-          ];
-        };
-      };
-
-      ############################
-      # Deployment configuration #
-      ############################
-      deploy.nodes = {
-        hetzner-1 = {
-          hostname = "116.202.158.55";
-
-          profiles.system = {
-            user = "root";
-            path = deploy-rs.lib.${system}.activate.nixos self.nixosConfigurations.hetzner-1;
-          };
-
-          sshUser = "tlater";
-          sshOpts = [ "-p" "2222" "-o" "ForwardAgent=yes" ];
-        };
-      };
-
-      #########
-      # Tests #
-      #########
-      checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
-
-      ###################
-      # Utility scripts #
-      ###################
-      apps.${system} = {
-        default = self.apps.${system}.run-vm;
-
-        run-vm = {
-          type = "app";
-          program =
-            let
-              vm = nixpkgs.lib.nixosSystem {
-                inherit system;
-                specialArgs.flake-inputs = inputs;
-
-                modules = [
-                  ./configuration
-                  ./configuration/hardware-specific/vm.nix
-                ];
-              };
-            in
-            (pkgs.writeShellScript "" ''
-              ${vm.config.system.build.vm.outPath}/bin/run-testvm-vm
-            '').outPath;
-        };
-
-        update-pkgs = {
-          type = "app";
-          program =
-            let
-              nvfetcher-bin = "${nvfetcher.packages.${system}.default}/bin/nvfetcher";
-            in
-            (pkgs.writeShellScript "update-pkgs" ''
-              cd "$(git rev-parse --show-toplevel)/pkgs"
-              ${nvfetcher-bin} -o _sources_pkgs -c nvfetcher.toml
-            '').outPath;
-        };
-
-        update-nextcloud-apps = {
-          type = "app";
-          program =
-            let
-              nvfetcher-bin = "${nvfetcher.packages.${system}.default}/bin/nvfetcher";
-            in
-            (pkgs.writeShellScript "update-nextcloud-apps" ''
-              cd "$(git rev-parse --show-toplevel)/pkgs"
-              ${nvfetcher-bin} -o _sources_nextcloud -c nextcloud-apps.toml
-            '').outPath;
-        };
-      };
-
-      ###########################
-      # Development environment #
-      ###########################
-      devShells.${system}.default = nixpkgs.legacyPackages.${system}.mkShell {
-        sopsPGPKeyDirs = [ "./keys/hosts/" "./keys/users/" ];
-        nativeBuildInputs = [
-          sops-nix.packages.${system}.sops-import-keys-hook
-        ];
-
-        packages = with pkgs; [
-          sops-nix.packages.${system}.sops-init-gpg-key
-          deploy-rs.packages.${system}.default
-
-          nixpkgs-fmt
-
-          cargo
-          clippy
-          rustc
-          rustfmt
-          rust-analyzer
-          pkg-config
-          openssl
         ];
       };
     };
+
+    ############################
+    # Deployment configuration #
+    ############################
+    deploy.nodes = {
+      hetzner-1 = {
+        hostname = "116.202.158.55";
+
+        profiles.system = {
+          user = "root";
+          path = deploy-rs.lib.${system}.activate.nixos self.nixosConfigurations.hetzner-1;
+        };
+
+        sshUser = "tlater";
+        sshOpts = ["-p" "2222" "-o" "ForwardAgent=yes"];
+      };
+    };
+
+    #########
+    # Tests #
+    #########
+    checks = builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) deploy-rs.lib;
+
+    ###################
+    # Utility scripts #
+    ###################
+    apps.${system} = {
+      default = self.apps.${system}.run-vm;
+
+      run-vm = {
+        type = "app";
+        program = let
+          vm = nixpkgs.lib.nixosSystem {
+            inherit system;
+            specialArgs.flake-inputs = inputs;
+
+            modules = [
+              ./configuration
+              ./configuration/hardware-specific/vm.nix
+            ];
+          };
+        in
+          (pkgs.writeShellScript "" ''
+            ${vm.config.system.build.vm.outPath}/bin/run-testvm-vm
+          '')
+          .outPath;
+      };
+
+      update-pkgs = {
+        type = "app";
+        program = let
+          nvfetcher-bin = "${nvfetcher.packages.${system}.default}/bin/nvfetcher";
+        in
+          (pkgs.writeShellScript "update-pkgs" ''
+            cd "$(git rev-parse --show-toplevel)/pkgs"
+            ${nvfetcher-bin} -o _sources_pkgs -c nvfetcher.toml
+          '')
+          .outPath;
+      };
+
+      update-nextcloud-apps = {
+        type = "app";
+        program = let
+          nvfetcher-bin = "${nvfetcher.packages.${system}.default}/bin/nvfetcher";
+        in
+          (pkgs.writeShellScript "update-nextcloud-apps" ''
+            cd "$(git rev-parse --show-toplevel)/pkgs"
+            ${nvfetcher-bin} -o _sources_nextcloud -c nextcloud-apps.toml
+          '')
+          .outPath;
+      };
+    };
+
+    ###########################
+    # Development environment #
+    ###########################
+    devShells.${system}.default = nixpkgs.legacyPackages.${system}.mkShell {
+      sopsPGPKeyDirs = ["./keys/hosts/" "./keys/users/"];
+      nativeBuildInputs = [
+        sops-nix.packages.${system}.sops-import-keys-hook
+      ];
+
+      packages = with pkgs; [
+        sops-nix.packages.${system}.sops-init-gpg-key
+        deploy-rs.packages.${system}.default
+
+        cargo
+        clippy
+        rustc
+        rustfmt
+        rust-analyzer
+        pkg-config
+        openssl
+      ];
+    };
+  };
 }

modules/nginxExtensions.nix

@@ -1,7 +1,8 @@
-{ config
+{
-, pkgs
+  config,
-, lib
+  pkgs,
-, ...
+  lib,
+  ...
 }: {
   options = {
     services.nginx.domain = lib.mkOption {
@@ -9,37 +10,36 @@
       description = "The base domain name to append to virtual domain names";
     };
 
-    services.nginx.virtualHosts =
+    services.nginx.virtualHosts = let
-      let
+      extraVirtualHostOptions = {
-        extraVirtualHostOptions =
+        name,
-          { name
+        config,
-          , config
+        ...
-          , ...
+      }: {
-          }: {
+        options = {
-            options = {
+          enableHSTS = lib.mkEnableOption "Enable HSTS";
-              enableHSTS = lib.mkEnableOption "Enable HSTS";
 
-              addAccessLog = lib.mkOption {
+          addAccessLog = lib.mkOption {
-                type = lib.types.bool;
+            type = lib.types.bool;
-                default = true;
+            default = true;
-                description = ''
+            description = ''
-                  Add special logging to `/var/log/nginx/''${serverName}`
+              Add special logging to `/var/log/nginx/''${serverName}`
-                '';
+            '';
-              };
-            };
-
-            config = {
-              extraConfig = lib.concatStringsSep "\n" [
-                (lib.optionalString config.enableHSTS ''
-                  add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
-                '')
-                (lib.optionalString config.addAccessLog ''
-                  access_log /var/log/nginx/${name}/access.log upstream_time;
-                '')
-              ];
-            };
           };
-      in
+        };
+
+        config = {
+          extraConfig = lib.concatStringsSep "\n" [
+            (lib.optionalString config.enableHSTS ''
+              add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
+            '')
+            (lib.optionalString config.addAccessLog ''
+              access_log /var/log/nginx/${name}/access.log upstream_time;
+            '')
+          ];
+        };
+      };
+    in
       lib.mkOption {
         type = lib.types.attrsOf (lib.types.submodule extraVirtualHostOptions);
       };
@@ -47,15 +47,13 @@
 
   config = {
     # Don't attempt to run acme if the domain name is not tlater.net
-    systemd.services =
+    systemd.services = let
-      let
+      confirm = ''[[ "tlater.net" = ${config.services.nginx.domain} ]]'';
-        confirm = ''[[ "tlater.net" = ${config.services.nginx.domain} ]]'';
+    in
-      in
+      lib.mapAttrs' (cert: _:
-      lib.mapAttrs'
+        lib.nameValuePair "acme-${cert}" {
-        (cert: _:
+          serviceConfig.ExecCondition = ''${pkgs.runtimeShell} -c '${confirm}' '';
-          lib.nameValuePair "acme-${cert}" {
+        })
-            serviceConfig.ExecCondition = ''${pkgs.runtimeShell} -c '${confirm}' '';
+      config.security.acme.certs;
-          })
-        config.security.acme.certs;
   };
 }

pkgs/afvalcalendar/default.nix

@@ -1,6 +1,7 @@
-{ pkgs
+{
-, rustPlatform
+  pkgs,
-, ...
+  rustPlatform,
+  ...
 }:
 rustPlatform.buildRustPackage {
   pname = "afvalcalendar";

pkgs/default.nix

@@ -1,23 +1,22 @@
-{ pkgs
+{
-, lib
+  pkgs,
-,
+  lib,
-}:
+}: let
-let
   inherit (builtins) fromJSON mapAttrs readFile;
   inherit (pkgs) callPackage;
 in
-{
+  {
-  starbound = callPackage ./starbound { };
+    starbound = callPackage ./starbound {};
-  prometheus-fail2ban-exporter = callPackage ./prometheus/fail2ban-exporter.nix {
+    prometheus-fail2ban-exporter = callPackage ./prometheus/fail2ban-exporter.nix {
-    sources = pkgs.callPackage ./_sources_pkgs/generated.nix { };
+      sources = pkgs.callPackage ./_sources_pkgs/generated.nix {};
-  };
+    };
-  afvalcalendar = callPackage ./afvalcalendar { };
+    afvalcalendar = callPackage ./afvalcalendar {};
-}
+  }
   // (
-  # Add nextcloud apps
+    # Add nextcloud apps
-  let
+    let
-    mkNextcloudApp = pkgs.callPackage ./mkNextcloudApp.nix { };
+      mkNextcloudApp = pkgs.callPackage ./mkNextcloudApp.nix {};
-    sources = fromJSON (readFile ./_sources_nextcloud/generated.json);
+      sources = fromJSON (readFile ./_sources_nextcloud/generated.json);
-  in
+    in
-  mapAttrs (_: source: mkNextcloudApp source) sources
+      mapAttrs (_: source: mkNextcloudApp source) sources
-)
+  )

pkgs/mkNextcloudApp.nix

@@ -1,6 +1,6 @@
-{ fetchNextcloudApp
+{
-, lib
+  fetchNextcloudApp,
-,
+  lib,
 }: source:
 fetchNextcloudApp {
   url = source.src.url;

pkgs/prometheus/fail2ban-exporter.nix

@@ -1,6 +1,6 @@
-{ buildGoModule
+{
-, sources
+  buildGoModule,
-,
+  sources,
 }:
 buildGoModule {
   inherit (sources.prometheus-fail2ban-exporter) pname src version;

pkgs/starbound/default.nix

@@ -1,35 +1,34 @@
-{ stdenv
+{
-, lib
+  stdenv,
-, makeWrapper
+  lib,
-, patchelf
+  makeWrapper,
-, steamPackages
+  patchelf,
-, replace-secret
+  steamPackages,
-,
+  replace-secret,
-}:
+}: let
-let
   # Use the directory in which starbound is installed so steamcmd
   # doesn't have to be reinstalled constantly (we're using DynamicUser
   # with StateDirectory to persist this).
   steamcmd = steamPackages.steamcmd.override {
     steamRoot = "/var/lib/starbound/.steamcmd";
   };
-  wrapperPath = lib.makeBinPath [ patchelf steamcmd replace-secret ];
+  wrapperPath = lib.makeBinPath [patchelf steamcmd replace-secret];
 in
-stdenv.mkDerivation {
+  stdenv.mkDerivation {
-  name = "starbound-update-script";
+    name = "starbound-update-script";
-  nativeBuildInputs = [ makeWrapper ];
+    nativeBuildInputs = [makeWrapper];
-  dontUnpack = true;
+    dontUnpack = true;
-  patchPhase = ''
+    patchPhase = ''
-    interpreter="$(cat $NIX_CC/nix-support/dynamic-linker)"
+      interpreter="$(cat $NIX_CC/nix-support/dynamic-linker)"
-    substitute ${./launch-starbound.sh} launch-starbound --subst-var interpreter
+      substitute ${./launch-starbound.sh} launch-starbound --subst-var interpreter
-  '';
+    '';
-  installPhase = ''
+    installPhase = ''
-    mkdir -p $out/bin
+      mkdir -p $out/bin
-    cp launch-starbound $out/bin/launch-starbound
+      cp launch-starbound $out/bin/launch-starbound
-    chmod +x $out/bin/launch-starbound
+      chmod +x $out/bin/launch-starbound
-  '';
+    '';
-  postFixup = ''
+    postFixup = ''
-    wrapProgram $out/bin/launch-starbound \
+      wrapProgram $out/bin/launch-starbound \
-        --prefix PATH : "${wrapperPath}"
+          --prefix PATH : "${wrapperPath}"
-  '';
+    '';
-}
+  }