WIP: deploy pvv-doorbell-bot

Reviewed-on: https://git.pvv.ntnu.no/Drift/pvv-nixos-config/pulls/64
Reviewed-by: Oystein Kristoffer Tveit <oysteikt@pvv.ntnu.no>

.gitignore

@@ -1,3 +1,4 @@
 result*
 /configuration.nix
 /.direnv/
+*.qcow2

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

@@ -194,11 +194,11 @@
         ]
       },
       "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"
       },
@@ -207,6 +207,25 @@
         "url": "https://git.pvv.ntnu.no/Projects/calendar-bot.git"
       }
     },
+    "pvv-doorbell-bot": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "dirtyRev": "cec320746bbf5b5bc6618a145c1a997ebd0b5196-dirty",
+        "dirtyShortRev": "cec3207-dirty",
+        "lastModified": 1724515328,
+        "narHash": "sha256-Vj3ZJkCaLq+6d1LJtl7Hg5f7XV4NDPeNC1xEyu9QkOI=",
+        "type": "git",
+        "url": "file:///home/felixalb/doorbell-matrix-bot"
+      },
+      "original": {
+        "type": "git",
+        "url": "file:///home/felixalb/doorbell-matrix-bot"
+      }
+    },
     "pvv-nettsiden": {
       "inputs": {
         "nixpkgs": [
@@ -237,6 +256,7 @@
         "nixpkgs": "nixpkgs",
         "nixpkgs-unstable": "nixpkgs-unstable",
         "pvv-calendar-bot": "pvv-calendar-bot",
+        "pvv-doorbell-bot": "pvv-doorbell-bot",
         "pvv-nettsiden": "pvv-nettsiden",
         "sops-nix": "sops-nix"
       }

flake.nix

@@ -17,6 +17,10 @@
     pvv-calendar-bot.url = "git+https://git.pvv.ntnu.no/Projects/calendar-bot.git";
     pvv-calendar-bot.inputs.nixpkgs.follows = "nixpkgs";
 
+    pvv-doorbell-bot.url = "git+https://git.pvv.ntnu.no/Projects/doorbell-matrix-bot.git";
+    #pvv-doorbell-bot.url = "git+file:///home/felixalb/doorbell-matrix-bot";
+    pvv-doorbell-bot.inputs.nixpkgs.follows = "nixpkgs";
+
     matrix-next.url = "github:dali99/nixos-matrix-modules/v0.6.0";
     matrix-next.inputs.nixpkgs.follows = "nixpkgs";
 
@@ -38,7 +42,7 @@
       "aarch64-darwin"
     ];
     forAllSystems = f: nixlib.genAttrs systems f;
-    allMachines = nixlib.mapAttrsToList (name: _: name) self.nixosConfigurations;
+    allMachines = builtins.attrNames self.nixosConfigurations;
     importantMachines = [
       "bekkalokk"
       "bicep"
@@ -47,6 +51,8 @@
       "ildkule"
     ];
   in {
+    inherit inputs;
+
     nixosConfigurations = let
       unstablePkgs = nixpkgs-unstable.legacyPackages.x86_64-linux;
       nixosConfig = nixpkgs: name: config: nixpkgs.lib.nixosSystem (nixpkgs.lib.recursiveUpdate
@@ -79,9 +85,11 @@
         modules = [
           inputs.matrix-next.nixosModules.default
           inputs.pvv-calendar-bot.nixosModules.default
+          inputs.pvv-doorbell-bot.nixosModules.default
         ];
         overlays = [
           inputs.pvv-calendar-bot.overlays.x86_64-linux.default
+          inputs.pvv-doorbell-bot.overlays.x86_64-linux.default
         ];
       };
       bekkalokk = stableNixosConfig "bekkalokk" {
@@ -124,6 +132,11 @@
       buskerud = stableNixosConfig "buskerud" { };
     };
 
+    nixosModules = {
+      snakeoil-certs = ./modules/snakeoil-certs.nix;
+      snappymail = ./modules/snappymail.nix;
+    };
+
     devShells = forAllSystems (system: {
       default = nixpkgs.legacyPackages.${system}.callPackage ./shell.nix { };
     });

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

@@ -9,11 +9,11 @@
 
     ./acmeCert.nix
 
+    ./services/calendar-bot.nix
+    ./services/doorbell-bot.nix
+    ./services/mysql.nix
     ./services/mysql.nix
     ./services/postgres.nix
-    ./services/mysql.nix
-    # TODO: fix the calendar bot
-    # ./services/calendar-bot.nix
 
     ./services/matrix
   ];

hosts/bicep/services/calendar-bot.nix

@@ -2,11 +2,19 @@
 let
   cfg = config.services.pvv-calendar-bot;
 in {
-  sops.secrets."calendar-bot/matrix_token" = {
-    sopsFile = ../../../secrets/bicep/bicep.yaml;
-    key = "calendar-bot/matrix_token";
-    owner = cfg.user;
-    group = cfg.group;
+  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 = {
@@ -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/bicep/services/doorbell-bot.nix

@@ -0,0 +1,16 @@
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.pvv-doorbell-bot;
+in {
+  sops.secrets."doorbell-bot/config-json" = {
+    owner = cfg.user;
+    group = cfg.group;
+  };
+
+  services.pvv-doorbell-bot = {
+    enable = true;
+    settings = {
+      configFile = config.sops.secrets."doorbell-bot/config-json".path;
+    };
+  };
+}

justfile

@@ -0,0 +1,25 @@
+export GUM_FILTER_HEIGHT := "15"
+nom := `if command -v nom >/dev/null; then echo nom; else echo nix; fi`
+
+@_default:
+  just "$(gum choose --ordered --header "Pick a recipie..." $(just --summary --unsorted))"
+
+check:
+  nix flake check --keep-going
+
+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 \
+    | gum choose --no-limit --height=15 \
+    | xargs nix flake update --commit-lock-file
+
+
+_a_machine:
+  nix eval .#nixosConfigurations --apply builtins.attrNames --json | jq .[] -r | gum filter

secrets/bicep/bicep.yaml

@@ -1,5 +1,8 @@
 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]
+doorbell-bot:
+    config-json: ENC[AES256_GCM,data:QNFHiUqaBWfW9ZRAkZo9M18AMbn/oSxvEMq1N1NsDcBjxJMo/OE36fz1Uf4TagGccCDkWy56wSVSFZm8KZnXVaQ/X0EgJkUK1JZyR7i5yiEW8ByLaVzThMWBwxQoj2cz48z53krzfddyl250rLFQRa7Fco74yTFfBWruf/1clN5O/iHFspeW7uJtQh/oyFIVb87YisjKU2+jpU3IeDNsO6VFWOoOJd+ACmfwsAY0wOz5lzBEIrdU2k/PMgSVzECMV4S5ipwIUmVUpGzbvgAWZQGtsUeVevAbvZ1QgyH6bhDIUheeUrOKN0cbgEMc/xIi7yZ+VWHOMBqb8LkyBvunG2TjK31B1HAGL/krBS+gvvQnW0ZN,iv:K0djdxNOGaHBkE4vyh/22fruAHVsZYVT68cdVoMmogw=,tag:3fjjzD3bghvGy3aZ7/Ienw==,type:str]
 mysql:
     password: ENC[AES256_GCM,data:KqEe0TVdeMIzPKsmFg9x0X9xWijnOk306ycyXTm2Tpqo/O0F,iv:Y+hlQ8n1ZIP9ncXBzd2kCSs/DWVTWhiEluFVwZFKRCA=,tag:xlaUk0Wftk62LpYE5pKNQw==,type:str]
 sops:
@@ -62,8 +65,8 @@ 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: "2024-08-24T16:49:06Z"
+    mac: ENC[AES256_GCM,data:A5pYM3yNt5GdlvpdDbRXxQwUccC/dr5JZwPBMjjx4ZRaJMbewpmGL/ySITnsCEuxOG1cagc1S28ti8k3z0bR4rfFlt/fZ93K8uwI9rT6KW5pSEAa1vPEz8Jq+7asfJIBMCpxFxN704JDSeOnBMaSHwQdICdmG4jfN/F+YbXTPIA=,iv:Y6gloFlYtnJZ3kzcUtZZZmJQ8KowQ29pwZaqo/ePrm8=,tag:r8XFLU5PGMr3U3K0N0cmlQ==,type:str]
     pgp:
         - created_at: "2024-08-04T00:03:40Z"
           enc: |-
@@ -86,4 +89,4 @@ sops:
             -----END PGP MESSAGE-----
           fp: F7D37890228A907440E1FD4846B9228E814A2AAC
     unencrypted_suffix: _unencrypted
-    version: 3.7.3
+    version: 3.9.0

shell.nix

@@ -1,6 +1,9 @@
 { pkgs ? import <nixpkgs> {} }:
 pkgs.mkShellNoCC {
   packages = with pkgs; [
+    just
+    jq
+    gum
     sops
     gnupg
     statix