Set WOODPECKER_LIMIT_MEM to 6 GB for woodpecker

so pipelines don't get killed by OOM.

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) CCCHH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -73,3 +73,7 @@ Build a new NixOS Proxmox VE Template for the chaosknoten:
 ```shell
 nix build .#proxmox-chaosknoten-nixos-template
 ```
+
+## License
+
+This CCCHH nix-infra repository is licensed under the [MIT License](./LICENSE).

config/common/users.nix

@@ -6,14 +6,9 @@
 # - https://git.grzb.de/yuri/nix-infra/-/blob/342a2f732da042d04e579d98e9f834418b7ebf25/users/colmena-deploy/default.nix
 # - https://nixos.org/manual/nix/stable/command-ref/conf-file.html?highlight=nix.conf#available-settings
 
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, authorizedKeysRepo, ... }:
 
 let
-  authorizedKeysRepo = pkgs.fetchgit {
-    url = "https://git.hamburg.ccc.de/CCCHH/infrastructure-authorized-keys";
-    rev = "b6a29dc7af0a45a8c0b4904290c7cb0c5bc51413";
-    hash = "sha256-c0aH0wQeJtfXJG5wAbS6aO8yILLI1NNkFAHAeOm8RXA=";
-  };
   authorizedKeys = builtins.filter (item: item != "") (lib.strings.splitString "\n" (builtins.readFile "${authorizedKeysRepo}/authorized_keys"));
 in
 {

config/hosts/eh22-wiki/dokuwiki.nix

@@ -21,7 +21,8 @@ let
   app = "dokuwiki";
   domain = "eh22.easterhegg.eu";
   dataDir = "/srv/www/${domain}";
-in {
+in
+{
   systemd.tmpfiles.rules = [
     "d ${dataDir} 0755 ${app} ${app}"
   ];

config/hosts/mqtt/configuration.nix

@@ -1,10 +1,10 @@
 { ... }:
 
 {
-	networking = {
+  networking = {
-        hostName = "mqtt";
+    hostName = "mqtt";
-        domain = "z9.ccchh.net";
+    domain = "z9.ccchh.net";
-	};
+  };
 
-	system.stateVersion = "23.11";
+  system.stateVersion = "23.11";
 }

config/hosts/mqtt/default.nix

@@ -1,9 +1,9 @@
 { pkgs, ... }:
 
 {
-	imports = [
+  imports = [
-		./configuration.nix
+    ./configuration.nix
-		./networking.nix
+    ./networking.nix
-		./mosquitto.nix
+    ./mosquitto.nix
-	];
+  ];
 }

config/hosts/mqtt/mosquitto.nix

@@ -5,29 +5,29 @@
 { ... }:
 
 {
-    services.mosquitto = {
+  services.mosquitto = {
-        enable = true;
+    enable = true;
-        persistence = true;
+    persistence = true;
 
-        # set config for all listeners
+    # set config for all listeners
-        listeners = [ {
+    listeners = [{
-            settings.allow_anonymous = true;
+      settings.allow_anonymous = true;
-            omitPasswordAuth = true;
+      omitPasswordAuth = true;
-            acl = ["topic readwrite #"];
+      acl = [ "topic readwrite #" ];
-        } ];
+    }];
 
-        bridges.winkekatz = {
+    bridges.winkekatz = {
-            addresses = [
+      addresses = [
-                { address = "mqtt.winkekatze24.de"; }
+        { address = "mqtt.winkekatze24.de"; }
-            ];
+      ];
-            topics = [
+      topics = [
-                "winkekatze/allcats/eye/set in 2"
+        "winkekatze/allcats/eye/set in 2"
-                "winkekatze/allcats in 2"
+        "winkekatze/allcats in 2"
-                "+/status out 2 winkekatze/ \"\""
+        "+/status out 2 winkekatze/ \"\""
-                "+/connected out 2 winkekatze/ \"\""
+        "+/connected out 2 winkekatze/ \"\""
-            ];
+      ];
-        };
     };
+  };
 
-    networking.firewall.allowedTCPPorts = [ 1883 ];
+  networking.firewall.allowedTCPPorts = [ 1883 ];
 }

config/hosts/public-web-static/spaceapid-config/ccchh-response.json

@@ -27,7 +27,7 @@
       },
       "calendar": {
         "type": "ical",
-        "url": "https://cloud.hamburg.ccc.de/remote.php/dav/public-calendars/QJAdExziSnNJEz5g/?export"
+        "url": "webcal://cloud.hamburg.ccc.de/remote.php/dav/public-calendars/QJAdExziSnNJEz5g/?export"
       }
     },
     "links": [

config/hosts/public-web-static/virtualHosts/c3cat.de.nix

@@ -1,10 +1,19 @@
 { pkgs, ... }:
 
-{
+let
+  domain = "c3cat.de";
+  dataDir = "/var/www/${domain}";
+  deployUser = "c3cat-website-deploy";
+in {
+  security.acme.certs."${domain}".extraDomainNames = [ "www.${domain}" ];
+
   services.nginx.virtualHosts = {
-    "acme-c3cat.de" = {
+    "acme-${domain}" = {
       enableACME = true;
-      serverName = "c3cat.de";
+      serverName = "${domain}";
+      serverAliases = [
+        "www.${domain}"
+      ];
 
       listen = [
         {
@@ -14,9 +23,9 @@
       ];
     };
 
-    "c3cat.de" = {
+    "$www.${domain}" = {
       forceSSL = true;
-      useACMEHost = "c3cat.de";
+      useACMEHost = "${domain}";
 
       listen = [
         {
@@ -28,7 +37,7 @@
       ];
 
       locations."/" = {
-        return = "302 https://wiki.hamburg.ccc.de/club:c3cat:start";
+        return = "302 https://c3cat.de$request_uri";
       };
 
       extraConfig = ''
@@ -42,5 +51,45 @@
         real_ip_header proxy_protocol;
       '';
     };
+
+    "${domain}" = {
+      forceSSL = true;
+      useACMEHost = "${domain}";
+
+      listen = [
+        {
+          addr = "0.0.0.0";
+          port = 8443;
+          ssl = true;
+          proxyProtocol = true;
+        }
+      ];
+
+      root = "${dataDir}";
+
+      extraConfig = ''
+        # Make use of the ngx_http_realip_module to set the $remote_addr and
+        # $remote_port to the client address and client port, when using proxy
+        # protocol.
+        # First set our proxy protocol proxy as trusted.
+        set_real_ip_from 172.31.17.140;
+        # Then tell the realip_module to get the addreses from the proxy protocol
+        # header.
+        real_ip_header proxy_protocol;
+      '';
+    };
   };
+
+  systemd.tmpfiles.rules = [
+    "d ${dataDir} 0755 ${deployUser} ${deployUser}"
+  ];
+
+  users.users."${deployUser}" = {
+    isNormalUser = true;
+    group = "${deployUser}";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIcZJzQO4RYinJm6YDUgCELe8OJA/DYOss+8xp7TtxM0 deploy key for c3cat.de"
+    ];
+  };
+  users.groups."${deployUser}" = { };
 }

config/hosts/public-web-static/virtualHosts/default.nix

@@ -9,6 +9,7 @@
     ./hackertours.hamburg.ccc.de.nix
     ./hamburg.ccc.de.nix
     ./spaceapi.hamburg.ccc.de.nix
+    ./staging.c3cat.de.nix
     ./staging.hacker.tours.nix
     ./staging.hackertours.hamburg.ccc.de.nix
     ./staging.hamburg.ccc.de.nix

config/hosts/public-web-static/virtualHosts/element.hamburg.ccc.de.nix

@@ -1,10 +1,10 @@
 { pkgs, ... }:
 
 let
-  elementWebVersion = "1.11.80";
+  elementWebVersion = "1.11.84";
   element-web = pkgs.fetchzip {
     url = "https://github.com/vector-im/element-web/releases/download/v${elementWebVersion}/element-v${elementWebVersion}.tar.gz";
-    sha256 = "sha256-sudWmNehxGsbZTNirTkoWQ/Bln1DC1CI30wocw9VoH8=";
+    sha256 = "sha256-z2qaKKyUq2S/r3xUUU3ym0FgFbiQr6bcltuKvUMPbH4=";
   };
   elementSecurityHeaders = ''
     # Configuration best practices

config/hosts/public-web-static/virtualHosts/hacker.tours.nix

@@ -4,7 +4,8 @@ let
   domain = "hacker.tours";
   dataDir = "/var/www/${domain}";
   deployUser = "hackertours-website-deploy";
-in {
+in
+{
   services.nginx.virtualHosts = {
     "acme-${domain}" = {
       enableACME = true;

config/hosts/public-web-static/virtualHosts/hackertours.hamburg.ccc.de.nix

@@ -4,7 +4,8 @@ let
   domain = "hackertours.hamburg.ccc.de";
   dataDir = "/var/www/${domain}";
   deployUser = "ht-ccchh-website-deploy";
-in {
+in
+{
   services.nginx.virtualHosts = {
     "acme-${domain}" = {
       enableACME = true;

config/hosts/public-web-static/virtualHosts/historic-easterhegg/default.nix

@@ -1,4 +1,4 @@
-{...}:
+{ ... }:
 
 {
   imports = [

config/hosts/public-web-static/virtualHosts/staging.c3cat.de.nix

@@ -0,0 +1,60 @@
+{ pkgs, ... }:
+
+let
+  domain = "staging.c3cat.de";
+  dataDir = "/var/www/${domain}";
+  deployUser = "c3cat-website-deploy";
+in {
+  services.nginx.virtualHosts = {
+    "acme-${domain}" = {
+      enableACME = true;
+      serverName = "${domain}";
+
+      listen = [
+        {
+          addr = "0.0.0.0";
+          port = 31820;
+        }
+      ];
+    };
+
+    "${domain}" = {
+      forceSSL = true;
+      useACMEHost = "${domain}";
+
+      listen = [
+        {
+          addr = "0.0.0.0";
+          port = 8443;
+          ssl = true;
+          proxyProtocol = true;
+        }
+      ];
+
+      root = "${dataDir}";
+
+      # Disallow *, since this is staging and doesn't need to be in any search
+      # results.
+      locations."/robots.txt" = {
+        return = "200 \"User-agent: *\\nDisallow: *\\n\"";
+      };
+
+      extraConfig = ''
+        # Make use of the ngx_http_realip_module to set the $remote_addr and
+        # $remote_port to the client address and client port, when using proxy
+        # protocol.
+        # First set our proxy protocol proxy as trusted.
+        set_real_ip_from 172.31.17.140;
+        # Then tell the realip_module to get the addreses from the proxy protocol
+        # header.
+        real_ip_header proxy_protocol;
+      '';
+    };
+  };
+
+  systemd.tmpfiles.rules = [
+    "d ${dataDir} 0755 ${deployUser} ${deployUser}"
+  ];
+
+  # c3cat deploy user already defined in c3cat.de.nix.
+}

config/hosts/public-web-static/virtualHosts/staging.hacker.tours.nix

@@ -4,7 +4,8 @@ let
   domain = "staging.hacker.tours";
   dataDir = "/var/www/${domain}";
   deployUser = "hackertours-website-deploy";
-in {
+in
+{
   services.nginx.virtualHosts = {
     "acme-${domain}" = {
       enableACME = true;

config/hosts/public-web-static/virtualHosts/staging.hackertours.hamburg.ccc.de.nix

@@ -4,7 +4,8 @@ let
   domain = "staging.hackertours.hamburg.ccc.de";
   dataDir = "/var/www/${domain}";
   deployUser = "ht-ccchh-website-deploy";
-in {
+in
+{
   services.nginx.virtualHosts = {
     "acme-${domain}" = {
       enableACME = true;

config/hosts/woodpecker/woodpecker-agent/woodpecker-agent.nix

@@ -3,13 +3,12 @@
 # - https://woodpecker-ci.org/docs/administration/agent-config
 # - https://woodpecker-ci.org/docs/administration/backends/docker
 
-{ config, pkgs, pkgs-unstable, ... }:
+{ config, pkgs, ... }:
 
 {
   services.woodpecker-agents.agents."docker" = {
     enable = true;
-    # Since we use woodpecker-server from unstable, use the agent from unstable as well.
+    package = pkgs.woodpecker-agent;
-    package = pkgs-unstable.woodpecker-agent;
     extraGroups = [ "docker" ];
     environment = {
       WOODPECKER_SERVER = "localhost${config.services.woodpecker-server.environment.WOODPECKER_GRPC_ADDR}";

config/hosts/woodpecker/woodpecker-server/woodpecker-server.nix

@@ -5,14 +5,12 @@
 # - https://woodpecker-ci.org/docs/administration/forges/forgejo
 # - https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING
 
-{ config, pkgs, pkgs-unstable, ... }:
+{ config, pkgs, ... }:
 
 {
   services.woodpecker-server = {
     enable = true;
-    # Use package from unstable to get at least version 2.6.0 for native Forgejo support.
+    package = pkgs.woodpecker-server;
-    # https://github.com/woodpecker-ci/woodpecker/releases/tag/v2.6.0
-    package = pkgs-unstable.woodpecker-server;
     environment = {
       WOODPECKER_HOST = "https://woodpecker.hamburg.ccc.de";
       WOODPECKER_SERVER_ADDR = ":8001";
@@ -24,6 +22,7 @@
       WOODPECKER_DATABASE_DATASOURCE = "postgresql://woodpecker-server@/woodpecker-server?host=/run/postgresql";
       WOODPECKER_FORGEJO = "true";
       WOODPECKER_FORGEJO_URL = "https://git.hamburg.ccc.de";
+      WOODPECKER_LIMIT_MEM = "6442450944"; # 6GB
       # Set via enviornmentFile:
       # WOODPECKER_FORGEJO_CLIENT
       # WOODPECKER_FORGEJO_SECRET

config/hosts/yate/service.nix

@@ -6,12 +6,12 @@
     description = "Yate telehony engine";
     unitConfig = {
       Type = "simple";
-      After="network.target";
+      After = "network.target";
     };
     serviceConfig = {
       ExecStart = "${pkgs.yate}/bin/yate -c /yate -e /yate/share -Do";
-      Type="simple";
+      Type = "simple";
-      Restart="always";
+      Restart = "always";
       # ...
     };
     wantedBy = [ "default.target" ];

flake.lock

@@ -1,12 +1,26 @@
 {
   "nodes": {
+    "authorizedKeysRepo": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1731276342,
+        "narHash": "sha256-plTYjM6zPzoBE/dp6EUrk9mCqmab278p8FqBCTX8Grc=",
+        "rev": "686a6af22f6696f0c0595c56f463c078550049fc",
+        "type": "tarball",
+        "url": "https://git.hamburg.ccc.de/api/v1/repos/CCCHH/infrastructure-authorized-keys/archive/686a6af22f6696f0c0595c56f463c078550049fc.tar.gz?rev=686a6af22f6696f0c0595c56f463c078550049fc"
+      },
+      "original": {
+        "type": "tarball",
+        "url": "https://git.hamburg.ccc.de/CCCHH/infrastructure-authorized-keys/archive/686a6af22f6696f0c0595c56f463c078550049fc.tar.gz"
+      }
+    },
     "nixlib": {
       "locked": {
-        "lastModified": 1729386149,
+        "lastModified": 1731200463,
-        "narHash": "sha256-hUP9oxmnOmNnKcDOf5Y55HQ+NnoT0+bLWHLQWLLw9Ks=",
+        "narHash": "sha256-qDaAweJjdFbVExqs8aG27urUgcgKufkIngHW3Rzustg=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "cce4521b6df014e79a7b7afc58c703ed683c916e",
+        "rev": "e04234d263750db01c78a412690363dc2226e68a",
         "type": "github"
       },
       "original": {
@@ -18,16 +32,14 @@
     "nixos-generators": {
       "inputs": {
         "nixlib": "nixlib",
-        "nixpkgs": [
+        "nixpkgs": "nixpkgs"
-          "nixpkgs"
-        ]
       },
       "locked": {
-        "lastModified": 1729472750,
+        "lastModified": 1731546190,
-        "narHash": "sha256-s93LPHi5BN7I2xSGNAFWiYb8WRsPvT1LE9ZjZBrpFlg=",
+        "narHash": "sha256-kJix8nLyFIJ3EC7VtoXK/85C4ZN2dC5oWoS8+ErehqI=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "7c60ba4bc8d6aa2ba3e5b0f6ceb9fc07bc261565",
+        "rev": "06ffce1a8d95e95c06a4bcfa117dd960b14a7101",
         "type": "github"
       },
       "original": {
@@ -38,11 +50,27 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1730428893,
+        "lastModified": 1731245184,
-        "narHash": "sha256-fLLUd2dO/Vnf96UDr8YPzerYi+n99l3S5yIUDnmcPBE=",
+        "narHash": "sha256-vmLS8+x+gHRv1yzj3n+GTAEObwmhxmkkukB2DwtJRdU=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "aebe249544837ce42588aa4b2e7972222ba12e8f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1731842749,
+        "narHash": "sha256-aNc8irVBH7sM5cGDvqdOueg8S+fGakf0rEMRGfGwWZw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "38edd08881ce4dc24056eec173b43587a93c990f",
+        "rev": "bf6132dc791dbdff8b6894c3a85eb27ad8255682",
         "type": "github"
       },
       "original": {
@@ -52,43 +80,11 @@
         "type": "github"
       }
     },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1729973466,
-        "narHash": "sha256-knnVBGfTCZlQgxY1SgH0vn2OyehH9ykfF8geZgS95bk=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "cd3e8833d70618c4eea8df06f95b364b016d4950",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "release-24.05",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-unstable": {
-      "locked": {
-        "lastModified": 1730449684,
-        "narHash": "sha256-Hlv3rTPxnO+DpKRXw9yjzERLdk05h7+fEbZxWM2taCw=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "ab464abbeb3a2833288c6e907488c49c2e599f88",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable-small",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
     "root": {
       "inputs": {
+        "authorizedKeysRepo": "authorizedKeysRepo",
         "nixos-generators": "nixos-generators",
-        "nixpkgs": "nixpkgs",
+        "nixpkgs": "nixpkgs_2",
-        "nixpkgs-unstable": "nixpkgs-unstable",
         "sops-nix": "sops-nix"
       }
     },
@@ -96,15 +92,14 @@
       "inputs": {
         "nixpkgs": [
           "nixpkgs"
-        ],
+        ]
-        "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
-        "lastModified": 1729999681,
+        "lastModified": 1731862312,
-        "narHash": "sha256-qm0uCtM9bg97LeJTKQ8dqV/FvqRN+ompyW4GIJruLuw=",
+        "narHash": "sha256-NVUTFxKrJp/hjehlF1IvkPnlRYg/O9HFVutbxOM8zNM=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "1666d16426abe79af5c47b7c0efa82fd31bf4c56",
+        "rev": "472741cf3fee089241ac9ea705bb2b9e0bfa2978",
         "type": "github"
       },
       "original": {

flake.nix

@@ -6,13 +6,12 @@
     # https://nixos.org/manual/nixos/stable/#sec-upgrading
     # https://github.com/NixOS/nixpkgs
     nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05-small";
-    nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable-small";
 
     # Add nixos-generators as an input.
     # See here: https://github.com/nix-community/nixos-generators#using-in-a-flake
     nixos-generators = {
       url = "github:nix-community/nixos-generators";
-      inputs.nixpkgs.follows = "nixpkgs";
+      #inputs.nixpkgs.follows = "nixpkgs";
     };
 
     # Add sops-nix as an input for secret management.
@@ -21,214 +20,225 @@
       url = "github:Mic92/sops-nix";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    authorizedKeysRepo = {
+      url = "https://git.hamburg.ccc.de/CCCHH/infrastructure-authorized-keys/archive/686a6af22f6696f0c0595c56f463c078550049fc.tar.gz";
+      flake = false;
+    };
   };
 
-  outputs = { self, nixpkgs, nixpkgs-unstable, nixos-generators, sops-nix, ... }:
+  outputs = { self, nixpkgs, nixos-generators, sops-nix, authorizedKeysRepo, ... }:
     let
-      system = "x86_64-linux";
+      specialArgs = {
-      shairportSync431ExtendedNixpkgsUnstableOverlay = final: prev: {
+        inherit authorizedKeysRepo;
-        shairport-sync = (prev.shairport-sync.override { enableMetadata = true; enableAirplay2 = true; }).overrideAttrs (finalAttr: previousAttr: {
-          # See: https://github.com/mikebrady/shairport-sync/blob/e78a88b64adfe7b5f88fd6faedf55c57445bb240/CONFIGURATION%20FLAGS.md
-          configureFlags = previousAttr.configureFlags ++ [ "--with-mqtt-client" ];
-          buildInputs = previousAttr.buildInputs ++ [ final.mosquitto ];
-        });
       };
-      pkgs-unstable = nixpkgs-unstable.legacyPackages."x86_64-linux";
+      system = "x86_64-linux";
     in
     {
+      overlays = {
+        shairportSyncAirplay2 = final: prev: {
+          shairport-sync = (prev.shairport-sync.override { enableMetadata = true; enableAirplay2 = true; }).overrideAttrs (finalAttr: previousAttr: {
+            # See: https://github.com/mikebrady/shairport-sync/blob/e78a88b64adfe7b5f88fd6faedf55c57445bb240/CONFIGURATION%20FLAGS.md
+            configureFlags = previousAttr.configureFlags ++ [ "--with-mqtt-client" ];
+            buildInputs = previousAttr.buildInputs ++ [ final.mosquitto ];
+          });
+        };
+      };
+      nixosModules = {
+        common = ./config/common;
+        proxmox-vm = ./config/proxmox-vm;
+        prometheus-exporter = ./config/extra/prometheus-exporter.nix;
+      };
       nixosConfigurations = {
         audio-hauptraum-kueche = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
-            { nixpkgs.overlays = [ shairportSync431ExtendedNixpkgsUnstableOverlay ]; }
+            { nixpkgs.overlays = [ self.overlays.shairportSyncAirplay2 ]; }
             ./config/hosts/audio-hauptraum-kueche
           ];
         };
 
         audio-hauptraum-tafel = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
-            { nixpkgs.overlays = [ shairportSync431ExtendedNixpkgsUnstableOverlay ]; }
+            { nixpkgs.overlays = [ self.overlays.shairportSyncAirplay2 ]; }
             ./config/hosts/audio-hauptraum-tafel
           ];
         };
 
         esphome = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             ./config/hosts/esphome
           ];
         };
 
         public-reverse-proxy = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             ./config/hosts/public-reverse-proxy
           ];
         };
 
         netbox = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/netbox
           ];
         };
 
         matrix = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/matrix
           ];
         };
 
         public-web-static = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/public-web-static
           ];
         };
 
         git = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/git
           ];
         };
 
         forgejo-actions-runner = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/forgejo-actions-runner
           ];
         };
 
         ptouch-print-server = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             ./config/hosts/ptouch-print-server
           ];
         };
 
         eh22-wiki = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/eh22-wiki
           ];
         };
 
         nix-box-june = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/nix-box-june
           ];
         };
 
         yate = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             ./config/hosts/yate
           ];
         };
 
         mqtt = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             ./config/hosts/mqtt
           ];
         };
 
         mjolnir = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/mjolnir
           ];
         };
 
         woodpecker = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/woodpecker
           ];
-          specialArgs = {
-            inherit pkgs-unstable;
-          };
         };
 
         status = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
             ./config/hosts/status
           ];
         };
 
         penpot = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
             sops-nix.nixosModules.sops
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/penpot
           ];
         };
 
         hydra = nixpkgs.lib.nixosSystem {
-          inherit system;
+          inherit system specialArgs;
           modules = [
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
-            ./config/extra/prometheus-exporter.nix
+            self.nixosModules.prometheus-exporter
             ./config/hosts/hydra
           ];
         };
@@ -236,22 +246,24 @@
 
       packages.x86_64-linux = {
         proxmox-nixos-template = nixos-generators.nixosGenerate {
+          inherit specialArgs;
           system = "x86_64-linux";
           modules = [
             ./config/nixos-generators/proxmox.nix
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
           ];
           format = "proxmox";
         };
 
         proxmox-chaosknoten-nixos-template = nixos-generators.nixosGenerate {
+          inherit specialArgs;
           system = "x86_64-linux";
           modules = [
             ./config/nixos-generators/proxmox-chaosknoten.nix
             ./config/proxmox-chaosknoten-additional-initial-config.nix
-            ./config/common
+            self.nixosModules.common
-            ./config/proxmox-vm
+            self.nixosModules.proxmox-vm
           ];
           format = "proxmox";
         };