WIP

Reviewed-on: #64
Reviewed-by: Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>

.gitignore

@@ -1,4 +1,4 @@
 result*
 /configuration.nix
 /.direnv/
-/.remote.toml
+*.qcow2

.remoteenv

@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-# used by the `remote-exec` package
-eval "$(nix print-dev-env .#default)"
-# echo Entered "$(hostname --fqdn)" # just why systemd-networkd...
-echo Entered "$(hostname)"

.remoteignore.toml

@@ -1,15 +0,0 @@
-# used by the `remote-exec` package
-[push]
-exclude = []
-include = []
-
-[pull]
-exclude = ["*"]
-
-[both]
-exclude = [
-    ".remote.toml",
-    ".direnv",
-    "result*",
-]
-include = []

base.nix

@@ -76,10 +76,19 @@
   # Trusted users on the nix builder machines
   users.groups."nix-builder-users".name = "nix-builder-users";
 
+  # Let's not thermal throttle
+  services.thermald.enable = lib.mkIf (lib.all (x: x) [
+      (config.nixpkgs.system == "x86_64-linux")
+      (!config.boot.isContainer or false)
+    ]) true;
+
   services.openssh = {
     enable = true;
     extraConfig = ''
       PubkeyAcceptedAlgorithms=+ssh-rsa
+      Match Group wheel
+        PasswordAuthentication no
+      Match All
     '';
     settings.PermitRootLogin = "yes";
   };
@@ -130,4 +139,12 @@
     acceptTerms = true;
     defaults.email = "drift@pvv.ntnu.no";
   };
+  # Let's not spam LetsEncrypt in `nixos-rebuild build-vm` mode:
+  virtualisation.vmVariant = {
+    security.acme.defaults.server = "https://127.0.0.1";
+    security.acme.preliminarySelfsigned = true;
+
+    users.users.root.initialPassword = "root";
+  };
+
 }

flake.lock

@@ -1,5 +1,26 @@
 {
   "nodes": {
+    "dibbler": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1693682284,
+        "narHash": "sha256-FvVCkHH80YyUiqQlnGNr49rZRBniihF6YRpytguEkFQ=",
+        "ref": "refs/heads/master",
+        "rev": "8a6a0c12ba37e239684d2de1be12fd73903cfb2c",
+        "revCount": 193,
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.pvv.ntnu.no/Projects/dibbler.git"
+      }
+    },
     "disko": {
       "inputs": {
         "nixpkgs": [
@@ -22,7 +43,7 @@
     },
     "fix-python": {
       "inputs": {
-        "flake-utils": "flake-utils",
+        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "grzegorz",
           "nixpkgs"
@@ -46,6 +67,24 @@
       "inputs": {
         "systems": "systems"
       },
+      "locked": {
+        "lastModified": 1692799911,
+        "narHash": "sha256-3eihraek4qL744EvQXsK1Ha6C3CR7nnT8X2qWap4RNk=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "f9e7cf818399d17d347f847525c5a5a8032e4e44",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
       "locked": {
         "lastModified": 1689068808,
         "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
@@ -194,11 +233,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1693136143,
-        "narHash": "sha256-amHprjftc3y/bg8yf4hITCLa+ez5HIi0yGfR7TU6UIc=",
+        "lastModified": 1723850344,
+        "narHash": "sha256-aT37O9l9eclWEnqxASVNBL1dKwDHZUOqdbA4VO9DJvw=",
         "ref": "refs/heads/main",
-        "rev": "a32894b305f042d561500f5799226afd1faf5abb",
-        "revCount": 9,
+        "rev": "38b66677ab8c01aee10cd59e745af9ce3ea88092",
+        "revCount": 19,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/calendar-bot.git"
       },
@@ -229,6 +268,7 @@
     },
     "root": {
       "inputs": {
+        "dibbler": "dibbler",
         "disko": "disko",
         "grzegorz": "grzegorz",
         "grzegorz-clients": "grzegorz-clients",
@@ -276,6 +316,21 @@
         "repo": "default",
         "type": "github"
       }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

flake.nix

@@ -17,6 +17,9 @@
     pvv-calendar-bot.url = "git+https://git.pvv.ntnu.no/Projects/calendar-bot.git";
     pvv-calendar-bot.inputs.nixpkgs.follows = "nixpkgs";
 
+    dibbler.url = "git+https://git.pvv.ntnu.no/Projects/dibbler.git";
+    dibbler.inputs.nixpkgs.follows = "nixpkgs";
+
     matrix-next.url = "github:dali99/nixos-matrix-modules/v0.6.0";
     matrix-next.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -124,6 +127,13 @@
         ];
       };
       buskerud = stableNixosConfig "buskerud" { };
+      skrott = stableNixosConfig "skrott" {
+        system = "aarch64-linux";
+        modules = [
+          (nixpkgs + "/nixos/modules/installer/sd-card/sd-image-aarch64.nix")
+          inputs.dibbler.nixosModules.default
+        ];
+      };
     };
 
     nixosModules = {
@@ -147,6 +157,7 @@
 
         simplesamlphp = pkgs.callPackage ./packages/simplesamlphp { };
 
+        skrot = self.nixosConfigurations.skrott.config.system.build.sdImage;
       } //
       (nixlib.pipe null [
         (_: pkgs.callPackage ./packages/mediawiki-extensions { })

hosts/bekkalokk/services/gitea/default.nix

@@ -135,10 +135,16 @@ in {
     script = let
       logo-svg = ../../../../assets/logo_blue_regular.svg;
       logo-png = ../../../../assets/logo_blue_regular.png;
+      extraLinks = pkgs.writeText "gitea-extra-links.tmpl" ''
+        <a class="item" href="https://www.pvv.ntnu.no/">PVV</a>
+        <a class="item" href="https://wiki.pvv.ntnu.no/">Wiki</a>
+        <a class="item" href="https://git.pvv.ntnu.no/Drift/-/projects/4">Tokyo Drift Issues</a>
+      '';
     in ''
       install -Dm444 ${logo-svg} ${cfg.customDir}/public/assets/img/logo.svg
       install -Dm444 ${logo-png} ${cfg.customDir}/public/assets/img/logo.png
       install -Dm444 ${./loading.apng} ${cfg.customDir}/public/assets/img/loading.png
+      install -Dm444 ${extraLinks} ${cfg.customDir}/templates/custom/extra_links.tmpl
     '';
   };
 }

hosts/bicep/configuration.nix

@@ -12,8 +12,7 @@
     ./services/mysql.nix
     ./services/postgres.nix
     ./services/mysql.nix
-    # TODO: fix the calendar bot
-    # ./services/calendar-bot.nix
+    ./services/calendar-bot.nix
 
     ./services/matrix
   ];

hosts/bicep/services/calendar-bot.nix

@@ -2,12 +2,20 @@
 let
   cfg = config.services.pvv-calendar-bot;
 in {
-  sops.secrets."calendar-bot/matrix_token" = {
+  sops.secrets = {
+    "calendar-bot/matrix_token" = {
       sopsFile = ../../../secrets/bicep/bicep.yaml;
       key = "calendar-bot/matrix_token";
       owner = cfg.user;
       group = cfg.group;
     };
+    "calendar-bot/mysql_password" = {
+      sopsFile = ../../../secrets/bicep/bicep.yaml;
+      key = "calendar-bot/mysql_password";
+      owner = cfg.user;
+      group = cfg.group;
+    };
+  };
 
   services.pvv-calendar-bot = {
     enable = true;
@@ -18,6 +26,11 @@ in {
         user = "@bot_calendar:pvv.ntnu.no";
         channel = "!gkNLUIhYVpEyLatcRz:pvv.ntnu.no";
       };
+      database = {
+        host = "mysql.pvv.ntnu.no";
+        user = "calendar-bot";
+        passwordFile = config.sops.secrets."calendar-bot/mysql_password".path;
+      };
       secretsFile = config.sops.secrets."calendar-bot/matrix_token".path;
       onCalendar = "*-*-* 09:00:00";
     };

hosts/skrott/configuration.nix

@@ -0,0 +1,10 @@
+{ lib, values, ... }: {
+  system.stateVersion = "22.05";
+
+  systemd.network.networks."30-all" = values.defaultNetworkConfig // {
+    matchConfig.Name = "eth0";
+    address = with values.hosts.skrott; [ (ipv4 + "/25") (ipv6 + "/64") ];
+  };
+
+  networking.hostName = lib.mkForce "skrot";
+}

justfile

@@ -10,6 +10,10 @@ check:
 build-machine machine=`just _a_machine`:
   {{nom}} build .#nixosConfigurations.{{ machine }}.config.system.build.toplevel
 
+run-vm machine=`just _a_machine`:
+  nixos-rebuild build-vm --flake .#{{ machine }}
+  QEMU_NET_OPTS="hostfwd=tcp::8080-:80,hostfwd=tcp::8081-:443,hostfwd=tcp::2222-:22" ./result/bin/run-*-vm
+
 @update-inputs:
   nix eval .#inputs --apply builtins.attrNames --json \
     | jq '.[]' -r \

secrets/bicep/bicep.yaml

@@ -1,5 +1,6 @@
 calendar-bot:
     matrix_token: ENC[AES256_GCM,data:zJv9sw6pEzb9hxKT682wsD87HC9iejbps2wl2Z5QW1XZUSBHdcqyg1pxd+jFKTeKGQ==,iv:zDbvF1H98NsECjCtGXS+Y9HIhXowzz9HF9mltqnArog=,tag:/ftcOSQ13ElkVJBxYIMUGQ==,type:str]
+    mysql_password: ENC[AES256_GCM,data:Gqag8yOgPH3ntoT5TmaqJWv1j+si2qIyz5Ryfw5E2A==,iv:kQDcxnPfwJQcFovI4f87UDt18F8ah3z5xeY86KmdCyY=,tag:A1sCSNXJziAmtUWohqwJgg==,type:str]
 mysql:
     password: ENC[AES256_GCM,data:KqEe0TVdeMIzPKsmFg9x0X9xWijnOk306ycyXTm2Tpqo/O0F,iv:Y+hlQ8n1ZIP9ncXBzd2kCSs/DWVTWhiEluFVwZFKRCA=,tag:xlaUk0Wftk62LpYE5pKNQw==,type:str]
 sops:
@@ -62,8 +63,8 @@ sops:
             cTh5bnJ3WW90aXRCSUp6NHFYeU1tZ0kK4afdtJwGNu6wLRI0fuu+mBVeqVeB0rgX
             0q5hwyzjiRnHnyjF38CmcGgydSfDRmF6P+WIMbCwXC6LwfRhAmBGPg==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2023-09-05T23:28:56Z"
-    mac: ENC[AES256_GCM,data:pCWTkmCQgBOqhejK2sCLQ3H8bRXmXlToQxYmOG0IWDo2eGiZOLuIkZ1/1grYgfxAGiD4ysJod0nJuvo+eAsMeYAy6QJVtrOqO2d9V2NEdzLckXyYvwyJyZoFbNC5EW9471V0m4jLRSh5821ckNo/wtWFR11wfO15tI3MqtD1rtA=,iv:QDnckPl0LegaH0b7V4WAtmVXaL4LN+k3uKHQI2dkW7E=,tag:mScUQBR0ZHl1pi/YztrvFg==,type:str]
+    lastmodified: "2024-08-15T21:18:33Z"
+    mac: ENC[AES256_GCM,data:uR5HgeDAYqoqB9kk1V6p0T30+v6WpQJi4+qIeCDRnoUPnQKUVR10hvBhICck+E+Uh8p+tGhM6Uf3YrAJAV0ZCUiNJjtwDJQQLUDT53vdOAXN4xADCQqNuhgVwVMaruoTheEiwOswRuhFeEwy0gBj3Ze2pu47lueHYclmEzumLeQ=,iv:t0UyXN2YaR2m7M/pV2wTLJG5wVfqTIUs7wSQMmyeTVw=,tag:O7dIffzrDAXz3kGx5uazhw==,type:str]
     pgp:
         - created_at: "2024-08-04T00:03:40Z"
           enc: |-
@@ -86,4 +87,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.7.3
+    version: 3.9.0

values.nix

@@ -63,6 +63,10 @@ in rec {
       ipv4 = pvv-ipv4 231;
       ipv6 = pvv-ipv6 231;
     };
+    skrott = {
+      ipv4 = pvv-ipv4 235;
+      ipv6 = pvv-ipv6 235;
+    };
   };
 
   defaultNetworkConfig = {