Set WOODPECKER_LIMIT_MEM to 6 GB for woodpecker

so pipelines don't get killed by OOM.

.editorconfig

@@ -0,0 +1,23 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+charset = utf-8
+
+[*.nix]
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.md]
+indent_size = 2
+trim_trailing_whitespace = false
+
+[*.json]
+indent_size = 2
+trim_trailing_whitespace = true
+
+[*.yaml]
+indent_size = 2
+trim_trailing_whitespace = true

.sops.yaml

@@ -15,6 +15,9 @@ keys:
   - &host_age_matrix age1f7ams0n2zy994pzt0u30h8tex6xdcernj59t4d70z4kjsyzrr3wsy87xzk
   - &host_age_netbox age13fqs76z2vl5l84dvmmlqjj5xkfsfe85xls8uueul7re9j3ksjs0sw2xc9e
   - &host_age_public_web_static age19s7r8sf7j6zk24x9vumawgxpd2q8epyv7p9qsjntw7v9s3v045mqhmsfp0
+  - &host_age_mjolnir age1ej52kwuj8xraxdq685eejj4dmxpfmpgt4d8jka98rtpal6xcueqq9a6wae
+  - &host_age_woodpecker age1klxtcr23hers0lh4f5zdd53tyrtg0jud35rhydstyjq9fjymf9hsn2a8ch
+  - &host_age_penpot age10ku5rphtsf2lcxg78za7f2dad5cx5x9urgkce0d7tyqwq2enva9sqf7g8r
 creation_rules:
   - path_regex: config/hosts/git/.*
     key_groups:
@@ -96,6 +99,54 @@ creation_rules:
           - *admin_gpg_dante
         age:
           - *host_age_public_web_static
+  - path_regex: config/hosts/mjolnir/.*
+    key_groups:
+      - pgp:
+          - *admin_gpg_djerun
+          - *admin_gpg_stb
+          - *admin_gpg_jtbx
+          - *admin_gpg_yuri
+          - *admin_gpg_june
+          - *admin_gpg_haegar
+          - *admin_gpg_dario
+          - *admin_gpg_echtnurich
+          - *admin_gpg_max
+          - *admin_gpg_c6ristian
+          - *admin_gpg_dante
+        age:
+          - *host_age_mjolnir
+  - path_regex: config/hosts/woodpecker/.*
+    key_groups:
+      - pgp:
+          - *admin_gpg_djerun
+          - *admin_gpg_stb
+          - *admin_gpg_jtbx
+          - *admin_gpg_yuri
+          - *admin_gpg_june
+          - *admin_gpg_haegar
+          - *admin_gpg_dario
+          - *admin_gpg_echtnurich
+          - *admin_gpg_max
+          - *admin_gpg_c6ristian
+          - *admin_gpg_dante
+        age:
+          - *host_age_woodpecker
+  - path_regex: config/hosts/penpot/.*
+    key_groups:
+      - pgp:
+          - *admin_gpg_djerun
+          - *admin_gpg_stb
+          - *admin_gpg_jtbx
+          - *admin_gpg_yuri
+          - *admin_gpg_june
+          - *admin_gpg_haegar
+          - *admin_gpg_dario
+          - *admin_gpg_echtnurich
+          - *admin_gpg_max
+          - *admin_gpg_c6ristian
+          - *admin_gpg_dante
+        age:
+          - *host_age_penpot
   - key_groups:
       - pgp:
           - *admin_gpg_djerun

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

@@ -18,3 +18,62 @@ infra-rebuild switch git matrix
 By default infra-rebuild tries to use the FQDN from the nixosConfiguration of the host for deployment.
 However to override individual parts of the deployment target, a [`deployment_configuration.json`](./deployment_configuration.json) can be used.
 This is exactly what we're doing to set the default deployment user to `colmena-deploy` and have custom target hostnames for Chaosknoten hosts, since they don't have an FQDN defined in their nixosConfiguration.
+
+## Setting up secrets with sops-nix for a host
+
+1. Convert the hosts SSH host public key to an age public key.
+   This can be done by connecting to the host and running:
+   ```
+   cat /etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age
+   ``` 
+2. Add the resulting age public key to the `.sops.yaml` as a YAML anchor in keys.
+   It should be named something like: `host_age_hostname`
+3. Add a new creation rule for the hosts config directory.
+   It should probably have all admin keys and the hosts age key. \
+   You can use existing creation rules as a reference.
+4. Create a file containing the relevant secrets in the hosts config directory.
+   This can be accomplished with a command similar to this:
+   ```
+   sops config/hosts/hostname/secrets.yaml
+   ```
+   Note: Nested keys don't seem to be compatible with sops-nix.
+5. Add the following entry to the modules of the hosts `nixosConfiguration`:
+   ```nix
+   sops-nix.nixosModules.sops
+   ```
+6. Create a `sops.nix` in the hosts config directory containing the following content to include the `secrets.yaml`:
+   ```nix
+   { ... }:
+
+   {
+     sops = {
+       defaultSopsFile = ./secrets.yaml;
+     };
+   }
+   ```
+7. Make sure the `sops.nix` gets imported. For example in the `default.nix`.
+8. To use a secret stored under e.g. `forgejo_git_smtp_password`, you can then do something like the following:
+   ```nix
+   sops.secrets."forgejo_git_smtp_password" = {
+     mode = "0440";
+     owner = "forgejo";
+     group = "forgejo";
+     restartUnits = [ "forgejo.service" ];
+   };
+   ```
+   This secret would then be available under `/run/secrets/forgejo_git_smtp_password` on the host.
+
+## Build NixOS Proxmox VE Template
+
+Build a new NixOS Proxmox VE Template for the thinkcccore's:
+```shell
+nix build .#proxmox-nixos-template
+```
+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/admin-environment.nix

@@ -13,6 +13,7 @@
     git
     curl
     rsync
+    ssh-to-age
     usbutils
     nix-tree
     # For kitty terminfo.

config/common/default-state-version.nix

@@ -13,5 +13,5 @@
   # this value at the release version of the first install of this system.
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = lib.mkDefault "23.05";
+  system.stateVersion = lib.mkDefault "24.05";
 }

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 = builtins.fetchGit {
-    url = "forgejo@git.hamburg.ccc.de:CCCHH/infrastructure-authorized-keys.git";
-    ref = "trunk";
-    rev = "da9d3ead9d97ce0fef7538638326264957e2f1b4";
-  };
   authorizedKeys = builtins.filter (item: item != "") (lib.strings.splitString "\n" (builtins.readFile "${authorizedKeysRepo}/authorized_keys"));
 in
 {

config/extra/prometheus-exporter.nix

@@ -0,0 +1,8 @@
+{ ... }:
+
+{
+  services.prometheus.exporters.node = {
+    enable = true;
+    openFirewall = true;
+  };
+}

config/hosts/audio-hauptraum-kueche/networking.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ ... }:
 
 {
   networking = {
@@ -11,10 +11,9 @@
       ];
     };
     defaultGateway = "10.31.210.1";
-    nameservers = [
+    nameservers = [ "10.31.210.1" ];
-      "10.31.210.1"
-    ];
   };
+
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "1E:EF:2D:92:81:DA";
     linkConfig.Name = "net0";

config/hosts/audio-hauptraum-tafel/networking.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ ... }:
 
 {
   networking = {
@@ -11,10 +11,9 @@
       ];
     };
     defaultGateway = "10.31.210.1";
-    nameservers = [
+    nameservers = [ "10.31.210.1" ];
-      "10.31.210.1"
-    ];
   };
+
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "D2:10:33:B1:72:C3";
     linkConfig.Name = "net0";

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}"
   ];
@@ -57,16 +58,16 @@ in {
       ; Checked with NixOS 23.11 on 2024-05-02.
       extension = ${pkgs.phpExtensions.bz2}/lib/php/extensions/bz2.so
     '';
-    extraConfig = ''
+    settings = {
-      listen.owner = ${config.services.nginx.user};
+      "listen.owner" = "${config.services.nginx.user}";
-      listen.group = ${config.services.nginx.group};
+      "listen.group" = "${config.services.nginx.group}";
-      pm = dynamic
+      "pm" = "dynamic";
-      pm.max_children = 32
+      "pm.max_children" = 32;
-      pm.start_servers = 2
+      "pm.start_servers" = 2;
-      pm.min_spare_servers = 2
+      "pm.min_spare_servers" = 2;
-      pm.max_spare_servers = 4
+      "pm.max_spare_servers" = 4;
-      pm.max_requests = 500
+      "pm.max_requests" = 500;
-    '';
+    };
   };
 
   services.nginx = {
@@ -76,7 +77,7 @@ in {
       default = true;
       enableACME = true;
       serverName = "${domain}";
-      
+
       listen = [
         {
           addr = "0.0.0.0";

config/hosts/eh22-wiki/networking.nix

@@ -1,20 +1,19 @@
-# Sources for this configuration:
-# - https://nixos.wiki/wiki/Networking
-
 { ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "172.31.17.159";
+        {
-        prefixLength = 25;
+          address = "172.31.17.159";
-      }
+          prefixLength = 25;
-    ];
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "172.31.17.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "BC:24:11:37:F0:AB";

config/hosts/esphome/default.nix

@@ -3,6 +3,7 @@
   imports = [
     ./configuration.nix
     ./esphome.nix
+    ./networking.nix
     ./nginx.nix
   ];
 }

config/hosts/esphome/networking.nix

@@ -0,0 +1,29 @@
+{ ... }:
+
+{
+  networking = {
+    interfaces.net0 = {
+      ipv4.addresses = [
+        {
+          address = "10.31.208.24";
+          prefixLength = 23;
+        }
+      ];
+      ipv6.addresses = [
+        {
+          address = "2a07:c480:0:1d0::66";
+          prefixLength = 64;
+        }
+      ];
+    };
+    defaultGateway = "10.31.208.1";
+    defaultGateway6 = "2a07:c480:0:1d0::1";
+    nameservers = [ "10.31.208.1" "2a07:c480:0:1d0::1" ];
+    search = [ "z9.ccchh.net" ];
+  };
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "7E:3C:F0:77:8A:F4";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/esphome/nginx.nix

@@ -1,35 +1,34 @@
 { config, ... }:
+
 {
   services.nginx = {
     enable = true;
 
     virtualHosts = {
-      "acme-esphome.ccchh.net" = {
-        enableACME = true;
-        serverName = "esphome.ccchh.net";
-
-        listen = [
-          {
-            addr = "0.0.0.0";
-            port = 31820;
-          }
-        ];
-      };
-
       "esphome.ccchh.net" = {
         forceSSL = true;
-        useACMEHost = "esphome.ccchh.net";
+        enableACME = true;
+        serverName = "esphome.ccchh.net";
 
         listen = [
           {
             addr = "0.0.0.0";
             port = 80;
           }
+          {
+            addr = "[::]";
+            port = 80;
+          }
           {
             addr = "0.0.0.0";
             port = 443;
             ssl = true;
           }
+          {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }
         ];
 
         locations."/" = {
@@ -37,9 +36,38 @@
           proxyWebsockets = true;
         };
       };
+      "esphome.z9.ccchh.net" = {
+        forceSSL = true;
+        useACMEHost = "esphome.ccchh.net";
+        serverName = "esphome.z9.ccchh.net";
 
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 80;
+          }
+          {
+            addr = "[::]";
+            port = 80;
+          }
+          {
+            addr = "0.0.0.0";
+            port = 443;
+            ssl = true;
+          }
+          {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }
+        ];
+
+        globalRedirect = "esphome.ccchh.net";
+        redirectCode = 307;
+      };
     };
   };
+  security.acme.certs."esphome.ccchh.net".extraDomainNames = [ "esphome.z9.ccchh.net" ];
 
-  networking.firewall.allowedTCPPorts = [ 80 443 31820 ];
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
 }

config/hosts/forgejo-actions-runner/networking.nix

@@ -1,17 +1,19 @@
-{ config, pkgs, ... }:
+{ ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "172.31.17.155";
+        {
-        prefixLength = 25;
+          address = "172.31.17.155";
-      }
+          prefixLength = 25;
-    ];
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "172.31.17.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "1E:E0:4E:D0:DA:BE";

config/hosts/git/forgejo.nix

@@ -12,7 +12,6 @@
 {
   services.forgejo = {
     enable = true;
-    package = pkgs-unstable.forgejo;
     database.type = "postgres";
     mailerPasswordFile = "/run/secrets/forgejo_git_smtp_password";
 
@@ -46,6 +45,9 @@
         DEFAULT_USER_VISIBILITY = "limited";
         DEFAULT_KEEP_EMAIL_PRIVATE = true;
         ENABLE_BASIC_AUTHENTICATION = false;
+        ENABLE_NOTIFY_MAIL = true;
+        AUTO_WATCH_NEW_REPOS = false;
+        AUTO_WATCH_ON_CHANGES = false;
       };
       repo = {
         DEFAULT_REPO_UNITS = "repo.code,repo.issues,repo.pulls";

config/hosts/git/networking.nix

@@ -4,27 +4,30 @@
 { ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "212.12.51.136";
+        {
-        prefixLength = 28;
+          address = "212.12.51.136";
-      }
+          prefixLength = 28;
-    ];
+        }
+        {
+          address = "172.31.17.154";
+          prefixLength = 25;
+        }
+      ];
+      ipv6.addresses = [
+        {
+          address = "2a00:14b0:f000:23:51:136::1";
+          prefixLength = 64;
+        }
+      ];
+    };
+    defaultGateway = "212.12.51.129";
+    defaultGateway6 = "2a00:14b0:f000:23::1";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "212.12.51.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
-
-  networking.interfaces.net0 = {
-    ipv6.addresses = [
-      {
-        address = "2a00:14b0:f000:23:51:136::1";
-        prefixLength = 64;
-      }
-    ];
-  };
-  networking.defaultGateway6 = "2a00:14b0:f000:23::1";
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "92:7B:E6:12:A4:FA";

config/hosts/git/nginx.nix

@@ -34,6 +34,10 @@
         return = "200 \"User-agent: *\\nDisallow: /*/*/archive/\\n\"";
       };
     };
+
+    # Disable checking of client request body size to make container registry
+    # image uploads work.
+    clientMaxBodySize = "0";
   };
 
   networking.firewall.allowedTCPPorts = [ 80 443 ];

config/hosts/hydra/configuration.nix

@@ -0,0 +1,9 @@
+{ ... }:
+
+{
+  networking = {
+    hostName = "hydra";
+  };
+
+  system.stateVersion = "24.05";
+}

config/hosts/hydra/default.nix

@@ -0,0 +1,11 @@
+{ ... }:
+
+{
+  imports = [
+    ./configuration.nix
+    ./hydra.nix
+    ./networking.nix
+    ./nginx.nix
+    ./nix.nix
+  ];
+}

config/hosts/hydra/hydra.nix

@@ -0,0 +1,15 @@
+{ ... }:
+
+{
+  services.hydra = {
+    enable = true;
+    listenHost = "localhost";
+    port = 3000;
+    hydraURL = "https://hydra.hamburg.ccc.de/";
+    # E-Mail configuration requires some work/investigation still.
+    notificationSender = "no-reply@hydra.hamburg.ccc.de";
+    useSubstitutes = true;
+    minimumDiskFree = 8;
+    minimumDiskFreeEvaluator = 2;
+  };
+}

config/hosts/hydra/networking.nix

@@ -0,0 +1,22 @@
+{ ... }:
+
+{
+  networking = {
+    interfaces.net0 = {
+      ipv4.addresses = [
+        {
+          address = "172.31.17.163";
+          prefixLength = 25;
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
+  };
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:45:7C:D6";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/hydra/nginx.nix

@@ -0,0 +1,58 @@
+{ config, pkgs, ... }:
+
+let
+  domain = "hydra.hamburg.ccc.de";
+in
+{
+  services.nginx = {
+    enable = true;
+
+    virtualHosts = {
+      "acme-${domain}" = {
+        default = true;
+        enableACME = true;
+        serverName = "${domain}";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 31820;
+          }
+        ];
+      };
+
+      "${domain}" = {
+        default = true;
+        forceSSL = true;
+        useACMEHost = "${domain}";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 8443;
+            ssl = true;
+            proxyProtocol = true;
+          }
+        ];
+
+        locations."/" = {
+          proxyPass = "http://${config.services.hydra.listenHost}:${builtins.toString config.services.hydra.port}";
+        };
+
+        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;
+        '';
+      };
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 8443 31820 ];
+  networking.firewall.allowedUDPPorts = [ 8443 ];
+}

config/hosts/hydra/nix.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  # Allow Hydra to fetch flake inputs.
+  nix.settings.allowed-uris = [
+    "github:"
+    "https://github.com/"
+    "https://git.hamburg.ccc.de/"
+  ];
+}

config/hosts/matrix/networking.nix

@@ -1,17 +1,19 @@
 { ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "172.31.17.150";
+        {
-        prefixLength = 25;
+          address = "172.31.17.150";
-      }
+          prefixLength = 25;
-    ];
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "172.31.17.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "2A:A5:80:C3:8E:32";

config/hosts/mjolnir/configuration.nix

@@ -0,0 +1,9 @@
+{ ... }:
+
+{
+  networking = {
+    hostName = "mjolnir";
+  };
+
+  system.stateVersion = "24.05";
+}

config/hosts/mjolnir/default.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  imports = [
+    ./configuration.nix
+    ./mjolnir.nix
+    ./networking.nix
+    ./sops.nix
+  ];
+}

config/hosts/mjolnir/mjolnir.nix

@@ -0,0 +1,36 @@
+# Sources for this configuration:
+# - https://github.com/matrix-org/mjolnir/blob/main/docs/setup.md
+# - https://github.com/matrix-org/mjolnir/blob/main/config/default.yaml
+
+{ ... }:
+
+{
+  # Allow deprecated, apparently somewhat insecure libolm to be able to update
+  # the moderation bot.
+  # The security issues aren't real world exploitable apparently:
+  # https://matrix.org/blog/2024/08/libolm-deprecation/
+  nixpkgs.config.permittedInsecurePackages = [ "olm-3.2.16" ];
+  services.mjolnir = {
+    enable = true;
+    homeserverUrl = "https://matrix.hamburg.ccc.de";
+    managementRoom = "#moderation-management:hamburg.ccc.de";
+    settings = {
+      verboseLogging = false;
+    };
+    pantalaimon = {
+      enable = true;
+      username = "moderation";
+      passwordFile = "/run/secrets/matrix_moderation_user_password";
+      options = {
+        ssl = true;
+      };
+    };
+  };
+
+  sops.secrets."matrix_moderation_user_password" = {
+    mode = "0440";
+    owner = "mjolnir";
+    group = "mjolnir";
+    restartUnits = [ "mjolnir.service" ];
+  };
+}

config/hosts/mjolnir/networking.nix

@@ -0,0 +1,22 @@
+{ ... }:
+
+{
+  networking = {
+    interfaces.net0 = {
+      ipv4.addresses = [
+        {
+          address = "172.31.17.161";
+          prefixLength = 25;
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
+  };
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:C9:F8:C5";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/mjolnir/secrets.yaml

@@ -0,0 +1,233 @@
+matrix_moderation_user_password: ENC[AES256_GCM,data:NXJrbRh0A+NQh6Jy9iVAfYhsGR1BSOSuk1LjmArSiVF6jnuJAP9f750cRP7bu7Ai8xgxTlhjAtv9ck6SqlJ6Vw==,iv:IN/siIPCFKE+Nfl/aogYRYAHVgEGhMtTbmEZKZWQYgM=,tag:xxlnl5GU+uusSeh1OvoU1g==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1ej52kwuj8xraxdq685eejj4dmxpfmpgt4d8jka98rtpal6xcueqq9a6wae
+          enc: |
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+            rXpKW5fjxyT0Sh2u3FM2ET/9U0TUfpBVYBJojAJBFs1ntI8kFmqSYg==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-06-20T20:02:16Z"
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+    pgp:
+        - created_at: "2024-06-20T20:01:32Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
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+          fp: 3D70F61E07F64EC4E4EF417BEFCD9D20F58784EF
+    unencrypted_suffix: _unencrypted
+    version: 3.8.1

config/hosts/mjolnir/sops.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+{
+  sops = {
+    defaultSopsFile = ./secrets.yaml;
+  };
+}

config/hosts/mqtt/configuration.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  networking = {
+    hostName = "mqtt";
+    domain = "z9.ccchh.net";
+  };
+
+  system.stateVersion = "23.11";
+}

config/hosts/mqtt/default.nix

@@ -0,0 +1,9 @@
+{ pkgs, ... }:
+
+{
+  imports = [
+    ./configuration.nix
+    ./networking.nix
+    ./mosquitto.nix
+  ];
+}

config/hosts/mqtt/mosquitto.nix

@@ -0,0 +1,33 @@
+# Sources for this configuration:
+# - https://search.nixos.org/options?sort=relevance&type=packages&query=services.mosquitto
+# - https://mosquitto.org/man/mosquitto-conf-5.html
+# - https://winkekatze24.de
+{ ... }:
+
+{
+  services.mosquitto = {
+    enable = true;
+    persistence = true;
+
+    # set config for all listeners
+    listeners = [{
+      settings.allow_anonymous = true;
+      omitPasswordAuth = true;
+      acl = [ "topic readwrite #" ];
+    }];
+
+    bridges.winkekatz = {
+      addresses = [
+        { address = "mqtt.winkekatze24.de"; }
+      ];
+      topics = [
+        "winkekatze/allcats/eye/set in 2"
+        "winkekatze/allcats in 2"
+        "+/status out 2 winkekatze/ \"\""
+        "+/connected out 2 winkekatze/ \"\""
+      ];
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 1883 ];
+}

config/hosts/mqtt/networking.nix

@@ -0,0 +1,21 @@
+{ ... }:
+
+{
+  networking = {
+    interfaces.net0 = {
+      ipv4.addresses = [
+        {
+          address = "10.31.208.14";
+          prefixLength = 23;
+        }
+      ];
+    };
+    defaultGateway = "10.31.208.1";
+    nameservers = [ "10.31.210.1" ];
+  };
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:48:85:73";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/netbox/netbox.nix

@@ -11,9 +11,19 @@
     enable = true;
     package = pkgs.netbox;
     secretKeyFile = "/run/secrets/netbox_secret_key";
+    keycloakClientSecret = "/run/secrets/netbox_keycloak_secret";
     settings = {
       ALLOWED_HOSTS = [ "netbox.hamburg.ccc.de" ];
       SESSION_COOKIE_SECURE = true;
+      # CCCHH ID (Keycloak) integration.
+      # https://github.com/python-social-auth/social-core/blob/0925304a9e437f8b729862687d3a808c7fb88a95/social_core/backends/keycloak.py#L7
+      # https://python-social-auth.readthedocs.io/en/latest/backends/keycloak.html
+      REMOTE_AUTH_BACKEND = "social_core.backends.keycloak.KeycloakOAuth2";
+      SOCIAL_AUTH_KEYCLOAK_KEY = "netbox";
+      # SOCIAL_AUTH_KEYCLOAK_SECRET set via keycloakClientSecret option.
+      SOCIAL_AUTH_KEYCLOAK_PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAi/Shi+b2OyYNGVFPsa6qf9SesEpRl5U5rpwgmt8H7NawMvwpPUYVW9o46QW0ulYcDmysT3BzpP3tagO/SFNoOjZdYe0D9nJ7vEp8KHbzR09KCfkyQIi0wLssKnDotVHL5JeUY+iKk+gjiwF9FSFSHPBqsST7hXVAut9LkOvs2aDod9AzbTH/uYbt4wfUm5l/1Ii8D+K7YcsFGUIqxv4XS/ylKqObqN4M2dac69iIwapoh6reaBQEm66vrOzJ+3yi4DZuPrkShJqi2hddtoyZihyCkF+eJJKEI5LrBf1KZB3Ec2YUrqk93ZGUGs/XY6R87QSfR3hJ82B1wnF+c2pw+QIDAQAB";
+      SOCIAL_AUTH_KEYCLOAK_AUTHORIZATION_URL = "https://id.hamburg.ccc.de/realms/ccchh/protocol/openid-connect/auth";
+      SOCIAL_AUTH_KEYCLOAK_ACCESS_TOKEN_URL = "https://id.hamburg.ccc.de/realms/ccchh/protocol/openid-connect/token";
     };
   };
 
@@ -21,6 +31,12 @@
     mode = "0440";
     owner = "netbox";
     group = "netbox";
-    restartUnits = [ "netbox.service" ];
+    restartUnits = [ "netbox.service" "netbox-rq.service" ];
+  };
+  sops.secrets."netbox_keycloak_secret" = {
+    mode = "0440";
+    owner = "netbox";
+    group = "netbox";
+    restartUnits = [ "netbox.service" "netbox-rq.service" ];
   };
 }

config/hosts/netbox/networking.nix

@@ -1,23 +1,19 @@
-# Networking configuration for the host.
+{ ... }:
-# Sources for this configuration:
-# - https://nixos.org/manual/nixos/stable/#sec-networking
-# - https://nixos.wiki/wiki/Systemd-networkd
-# - https://wiki.archlinux.org/title/Systemd-networkd
-
-{ config, pkgs, ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "172.31.17.149";
+        {
-        prefixLength = 25;
+          address = "172.31.17.149";
-      }
+          prefixLength = 25;
-    ];
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "172.31.17.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "62:ED:44:20:7C:C1";

config/hosts/netbox/secrets.yaml

@@ -1,4 +1,5 @@
 netbox_secret_key: ENC[AES256_GCM,data:7cVGSlrCo3MEjeLjfeZrL0VZi3+yZqsC3qI+rx+xadic78H0egWCCNaYEHIgtilgFjw=,iv:gnearzPduWcrVLU/FuzS05eNPZ5srX0hqZyElq+19ek=,tag:9MKgFb4eVYE6a5ncx9sgpw==,type:str]
+netbox_keycloak_secret: ENC[AES256_GCM,data:WLPCwl6KmHhyGwpqchZUmTr0XwA1T9asAEXNOSQMfGU=,iv:fsO+Ho18Uz6+y2iohbve1bUKhCR/c2zNrbODR2Jrh3Q=,tag:MWeh7GhdyUJnSzrndA3l3Q==,type:str]
 sops:
     kms: []
     gcp_kms: []
@@ -14,8 +15,8 @@ sops:
             V1lQK3YzTWI5ZGdyeGtFQ0E3QXQ3YnMK8sBStC8xBKwpeWkF/HrryWi0hZA69nuw
             a73HiZuED8KEp5OPME3yC6Ode71uEEaE/av2zp7WUYbCqVpWnwcjSg==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2024-05-26T01:07:35Z"
+    lastmodified: "2024-10-08T23:54:23Z"
-    mac: ENC[AES256_GCM,data:0zWNPrUqpuC/qXOaTE8ayrTbnZdg9VA2NqxSNnV0bogqxVkg8zhbx8OKYfNQ0DswjxKNEnKsqjp62gA678VfRfGHJU5ZoHfAC7kBbrkDy+pMzS6LRwT+7n0C1AbaaG7hienGJQsx2gUUYqu7OSQuS722lXAw65deFvZGtL6lt8E=,iv:mOLkzF5pJFazmH9XX94Hjd04FcgSh0hY4juEO3vKNBc=,tag:lSk0lnVONQCmuO0KmxlL0Q==,type:str]
+    mac: ENC[AES256_GCM,data:6KwBwJ1uTuOaCTcBs9sgvX+E/bV37ylJmDqYupa3545ba5Y3VMuF2Hx72zzRYPmh5/DmwzDxc/f7TZUheO5jwwwMGGNCYuX2c+nkzLgtovT/yCXTo8vPHNf03fQRHlOq28ztQIG8Ug1s/t4XkA+iuqPdbvyNKLbsJfJBqg4SF44=,iv:SUXPFtW3/pSTBnjAh77G6pJTucHy4VEhUVkELiMJ4JU=,tag:SfLCwPpJuvL7RrIRmN5PGg==,type:str]
     pgp:
         - created_at: "2024-05-26T01:07:22Z"
           enc: |-

config/hosts/nix-box-june/networking.nix

@@ -1,19 +1,19 @@
-# Networking configuration for the host.
+{ ... }:
-
-{ config, pkgs, ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "172.31.17.158";
+        {
-        prefixLength = 25;
+          address = "172.31.17.158";
-      }
+          prefixLength = 25;
-    ];
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "172.31.17.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "BC:24:11:6A:33:5F";

config/hosts/nix-box-june/users.nix

@@ -26,7 +26,7 @@
     };
     yuri = {
       isNormalUser = true;
-      openssh.authorizedKeys.keys = [ 
+      openssh.authorizedKeys.keys = [
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDdk3FLQRoCWxdOxg4kHcPqAu3QQOs/rY9na2Al2ilGl yuri@violet"
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJEvM35w+UaSpDTuaG5pGPgfHcfwscr+wSZN9Z5Jle82 yuri@kiara"
       ];

config/hosts/penpot/configuration.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  networking.hostName = "penpot";
+
+  system.stateVersion = "24.05";
+}

config/hosts/penpot/default.nix

@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./configuration.nix
+    ./networking.nix
+    ./nginx.nix
+    ./penpot.nix
+    ./sops.nix
+  ];
+}

config/hosts/penpot/networking.nix

@@ -0,0 +1,20 @@
+{ ... }:
+
+{
+  networking.interfaces.net0 = {
+    ipv4.addresses = [
+      {
+        address = "172.31.17.162";
+        prefixLength = 25;
+      }
+    ];
+  };
+  networking.defaultGateway = "172.31.17.129";
+  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
+  networking.search = [ "hamburg.ccc.de" ];
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:26:1C:8A";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/penpot/nginx.nix

@@ -0,0 +1,63 @@
+{ config, pkgs, ... }:
+
+let
+  domain = "design.hamburg.ccc.de";
+in
+{
+  services.nginx = {
+    enable = true;
+
+    virtualHosts = {
+      "acme-${domain}" = {
+        default = true;
+        enableACME = true;
+        serverName = "${domain}";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 31820;
+          }
+        ];
+      };
+
+      "${domain}" = {
+        default = true;
+        forceSSL = true;
+        useACMEHost = "${domain}";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 8443;
+            ssl = true;
+            proxyProtocol = true;
+          }
+        ];
+
+        locations."/" = {
+          proxyPass = "http://127.0.0.1:9001";
+        };
+
+        locations."/ws/notifications" = {
+          proxyPass = "http://127.0.0.1:9001";
+          proxyWebsockets = true;
+        };
+
+        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;
+        '';
+      };
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 8443 31820 ];
+  networking.firewall.allowedUDPPorts = [ 8443 ];
+}

config/hosts/penpot/penpot.nix

@@ -0,0 +1,198 @@
+# Sources used for this configuration:
+# - https://github.com/penpot/penpot/blob/2.1.0/docker/images/docker-compose.yaml
+# - https://raw.githubusercontent.com/penpot/penpot/2.1.0/docker/images/docker-compose.yaml
+# - https://help.penpot.app/technical-guide/configuration/
+# - https://medium.com/@social.iodols/managing-docker-containers-in-nixos-fbda0f666dd1
+# - https://madison-technologies.com/take-your-nixos-container-config-and-shove-it/
+
+{ config, pkgs, ... }:
+
+let
+  # Flags for both frontend and backend.
+  # https://help.penpot.app/technical-guide/configuration/#common
+  # https://github.com/penpot/penpot/commit/ea7ad2aaa096f8d190d740f693f22f3ed1f05088
+  commonPenpotFlags = "disable-registration enable-oidc-registration disable-login-with-password enable-login-with-oidc";
+  penpotVersion = "2.1.3";
+in
+{
+  virtualisation.docker.enable = true;
+  virtualisation.oci-containers = {
+    backend = "docker";
+    containers = {
+      "penpot-frontend" = {
+        autoStart = true;
+        image = "docker.io/penpotapp/frontend:${penpotVersion}";
+        extraOptions = [ "--network=penpot" ];
+        ports = [ "9001:80" ];
+        volumes = [ "penpot_assets:/opt/data/assets" ];
+        dependsOn = [
+          "penpot-backend"
+          "penpot-exporter"
+        ];
+        environment = {
+          # https://help.penpot.app/technical-guide/configuration/#frontend
+          # https://github.com/penpot/penpot/blob/develop/docker/images/docker-compose.yaml#L78
+
+          PENPOT_FLAGS = "${commonPenpotFlags} disable-onboarding";
+        };
+      };
+
+      "penpot-backend" = {
+        autoStart = true;
+        image = "docker.io/penpotapp/backend:${penpotVersion}";
+        extraOptions = [ "--network=penpot" ];
+        volumes = [ "penpot_assets:/opt/data/assets" ];
+        dependsOn = [
+          "penpot-postgres"
+          "penpot-redis"
+        ];
+        environment = {
+          # https://help.penpot.app/technical-guide/configuration/#backend
+          # https://github.com/penpot/penpot/blob/develop/docker/images/docker-compose.yaml#L112
+
+          PENPOT_FLAGS = "${commonPenpotFlags} enable-smtp";
+
+          # PENPOT_SECRET_KEY st via environmentFile.
+          PENPOT_TELEMETRY_ENABLED = "false";
+
+          # OpenID Connect configuration.
+          # https://help.penpot.app/technical-guide/configuration/#openid-connect
+          PENPOT_OIDC_CLIENT_ID = "penpot";
+          PENPOT_OIDC_BASE_URI = "https://id.hamburg.ccc.de/realms/ccchh/";
+          # PENPOT_OIDC_CLIENT_SECRET set via environmentFile.
+          PENPOT_OIDC_ROLES = "user";
+          PENPOT_OIDC_ROLES_ATTR = "roles";
+
+          # Database configuration.
+          # https://help.penpot.app/technical-guide/configuration/#database
+          PENPOT_DATABASE_USERNAME = "penpot";
+          # PENPOT_DATABASE_PASSWORD set via environmentFile.
+          PENPOT_DATABASE_URI = "postgresql://penpot-postgres/penpot";
+
+          # Email configuration.
+          # https://help.penpot.app/technical-guide/configuration/#email-(smtp)
+          PENPOT_SMTP_HOST = "cow.hamburg.ccc.de";
+          PENPOT_SMTP_PORT = "465";
+          PENPOT_SMTP_USERNAME = "no-reply@design.hamburg.ccc.de";
+          # PENPOT_SMTP_PASSWORD set via environmentFile.
+          PENPOT_SMTP_SSL = "true";
+          PENPOT_SMTP_DEFAULT_REPLY_TO = "Penpot <no-reply@design.hamburg.ccc.de>";
+          PENPOT_SMTP_DEFAULT_FROM = "Penpot <no-reply@design.hamburg.ccc.de>";
+
+          # Storage
+          # https://help.penpot.app/technical-guide/configuration/#storage
+          PENPOT_ASSETS_STORAGE_BACKEND = "assets-fs";
+          PENPOT_STORAGE_ASSETS_FS_DIRECTORY = "/opt/data/assets";
+
+          # Redis
+          # https://help.penpot.app/technical-guide/configuration/#redis
+          PENPOT_REDIS_URI = "redis://penpot-redis/0";
+
+          PENPOT_PUBLIC_URI = "https://design.hamburg.ccc.de";
+        };
+        environmentFiles = [ "/run/secrets/penpot_backend_environment_file" ];
+      };
+
+      "penpot-exporter" = {
+        autoStart = true;
+        image = "docker.io/penpotapp/exporter:${penpotVersion}";
+        extraOptions = [ "--network=penpot" ];
+        environment = {
+          # https://help.penpot.app/technical-guide/configuration/#exporter
+          # https://github.com/penpot/penpot/blob/develop/docker/images/docker-compose.yaml#L221
+          PENPOT_PUBLIC_URI = "http://penpot-frontend";
+          PENPOT_REDIS_URI = "redis://penpot-redis/0";
+        };
+      };
+
+      "penpot-postgres" = {
+        autoStart = true;
+        image = "docker.io/library/postgres:15";
+        extraOptions = [ "--stop-signal=SIGINT" "--network=penpot" ];
+        volumes = [ "penpot_postgres_v15:/var/lib/postgresql/data" ];
+        environment = {
+          # https://github.com/penpot/penpot/blob/develop/docker/images/docker-compose.yaml#L240
+
+          POSTGRES_INITDB_ARGS = "--data-checksums";
+          POSTGRES_DB = "penpot";
+          POSTGRES_USER = "penpot";
+          # POSTGRES_PASSWORD set via environmentFile.
+        };
+        environmentFiles = [ "/run/secrets/penpot_postgres_environment_file" ];
+      };
+
+      "penpot-redis" = {
+        autoStart = true;
+        image = "docker.io/library/redis:7";
+        extraOptions = [ "--network=penpot" ];
+      };
+    };
+  };
+
+  # Docker networks.
+  systemd.services."docker-network-penpot" = {
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+      ExecStop = "${pkgs.docker}/bin/docker network rm -f penpot";
+    };
+    script = "${pkgs.docker}/bin/docker network inspect penpot || ${pkgs.docker}/bin/docker network create penpot";
+    requiredBy = [
+      "docker-penpot-frontend.service"
+      "docker-penpot-backend.service"
+      "docker-penpot-exporter.service"
+      "docker-penpot-postgres.service"
+      "docker-penpot-redis.service"
+    ];
+    before = [
+      "docker-penpot-frontend.service"
+      "docker-penpot-backend.service"
+      "docker-penpot-exporter.service"
+      "docker-penpot-postgres.service"
+      "docker-penpot-redis.service"
+    ];
+  };
+
+  # Pull docker images prior to starting container services, so that a container
+  # service isn't considered up, if it actually is still just pulling the
+  # relevant image.
+  systemd.services."docker-images-penpot" = {
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = true;
+    };
+    script = ''
+      ${pkgs.docker}/bin/docker pull ${config.virtualisation.oci-containers.containers."penpot-frontend".image}
+      ${pkgs.docker}/bin/docker pull ${config.virtualisation.oci-containers.containers."penpot-backend".image}
+      ${pkgs.docker}/bin/docker pull ${config.virtualisation.oci-containers.containers."penpot-exporter".image}
+      ${pkgs.docker}/bin/docker pull ${config.virtualisation.oci-containers.containers."penpot-postgres".image}
+      ${pkgs.docker}/bin/docker pull ${config.virtualisation.oci-containers.containers."penpot-redis".image}
+    '';
+    requiredBy = [
+      "docker-penpot-frontend.service"
+      "docker-penpot-backend.service"
+      "docker-penpot-exporter.service"
+      "docker-penpot-postgres.service"
+      "docker-penpot-redis.service"
+    ];
+    before = [
+      "docker-penpot-frontend.service"
+      "docker-penpot-backend.service"
+      "docker-penpot-exporter.service"
+      "docker-penpot-postgres.service"
+      "docker-penpot-redis.service"
+    ];
+  };
+
+  sops.secrets."penpot_backend_environment_file" = {
+    mode = "0440";
+    owner = "root";
+    group = "root";
+  };
+
+  sops.secrets."penpot_postgres_environment_file" = {
+    mode = "0440";
+    owner = "root";
+    group = "root";
+  };
+}

config/hosts/penpot/secrets.yaml

@@ -0,0 +1,234 @@
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+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
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+            -----END AGE ENCRYPTED FILE-----
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+    pgp:
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+          enc: |-
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+            -----END PGP MESSAGE-----
+          fp: 3D70F61E07F64EC4E4EF417BEFCD9D20F58784EF
+    unencrypted_suffix: _unencrypted
+    version: 3.8.1

config/hosts/penpot/sops.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+{
+  sops = {
+    defaultSopsFile = ./secrets.yaml;
+  };
+}

config/hosts/ptouch-print-server/networking.nix

@@ -11,9 +11,7 @@
       ];
     };
     defaultGateway = "10.31.208.1";
-    nameservers = [
+    nameservers = [ "10.31.208.1" ];
-      "10.31.208.1"
-    ];
   };
 
   systemd.network.links."10-net0" = {

config/hosts/ptouch-print-server/printing.nix

@@ -90,9 +90,7 @@ in
   # pam_deny.so # deny (order 12400)" for pam.d/sshd, so enable
   # PasswordAuthentication to have it not do that.
   services.openssh.settings.PasswordAuthentication = lib.mkForce true;
-  # The following doesn't need to be set in order for empty passwords to work
+  security.pam.services.sshd.allowNullPassword = true;
-  # apparently:
-  # security.pam.services.sshd.allowNullPassword = true;
   services.openssh.extraConfig = ''
     Match User print
       PubkeyAuthentication no

config/hosts/public-reverse-proxy/nginx.nix

@@ -9,6 +9,7 @@
   services.nginx.streamConfig = ''
     map $ssl_preread_server_name $address {
         status.ccchh.net 10.31.206.15:8443;
+        status.hamburg.ccc.de 10.31.206.15:8443;
     }
 
     # Listen on port 443 as a reverse proxy and use PROXY Protocol for the

config/hosts/public-web-static/networking.nix

@@ -1,17 +1,19 @@
 { ... }:
 
 {
-  networking.interfaces.net0 = {
+  networking = {
-    ipv4.addresses = [
+    interfaces.net0 = {
-      {
+      ipv4.addresses = [
-        address = "172.31.17.151";
+        {
-        prefixLength = 25;
+          address = "172.31.17.151";
-      }
+          prefixLength = 25;
-    ];
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
   };
-  networking.defaultGateway = "172.31.17.129";
-  networking.nameservers = [ "212.12.50.158" "192.76.134.90" ];
-  networking.search = [ "hamburg.ccc.de" ];
 
   systemd.network.links."10-net0" = {
     matchConfig.MACAddress = "86:72:08:F6:C0:D6";

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

@@ -2,26 +2,6 @@
   "dynamic": {
     "sensors": {
       "temperature": [
-        {
-          "sensor_data": {
-            "unit": "°C",
-            "location": "Hauptraum",
-            "description": "Sensor im Hauptraum"
-          },
-          "allowed_credentials": [
-            "club-assistant"
-          ]
-        },
-        {
-          "sensor_data": {
-            "unit": "°C",
-            "location": "Loetschlauch",
-            "description": "Sensor im Lötschlauch (Teil der Werkstatt)"
-          },
-          "allowed_credentials": [
-            "club-assistant"
-          ]
-        },
         {
           "sensor_data": {
             "unit": "°C",
@@ -34,26 +14,6 @@
         }
       ],
       "humidity": [
-        {
-          "sensor_data": {
-            "unit": "%",
-            "location": "Hauptraum",
-            "description": "Sensor im Hauptraum"
-          },
-          "allowed_credentials": [
-            "club-assistant"
-          ]
-        },
-        {
-          "sensor_data": {
-            "unit": "%",
-            "location": "Loetschlauch",
-            "description": "Sensor im Lötschlauch (Teil der Werkstatt)"
-          },
-          "allowed_credentials": [
-            "club-assistant"
-          ]
-        },
         {
           "sensor_data": {
             "unit": "%",
@@ -65,12 +25,13 @@
           ]
         }
       ],
-      "CO2": [
+      "ext_3d_printer_busy_state": [
         {
           "sensor_data": {
-            "unit": "ppm",
+            "unit": "bool",
-            "location": "Hauptraum",
+            "location": "Loetschlauch",
-            "description": "Sensor im Hauptraum (Typ: SCD41)"
+            "name": "mk4",
+            "description": "Prusa mk4 busy state"
           },
           "allowed_credentials": [
             "club-assistant"
@@ -78,9 +39,34 @@
         },
         {
           "sensor_data": {
-            "unit": "ppm",
+            "unit": "bool",
             "location": "Loetschlauch",
-            "description": "Sensor im Lötschlauch (Teil der Werkstatt, Typ: SCD41)"
+            "name": "mk3.5",
+            "description": "Prusa mk3.5 busy state"
+          },
+          "allowed_credentials": [
+            "club-assistant"
+          ]
+        }
+      ],
+      "ext_3d_printer_minutes_remaining": [
+        {
+          "sensor_data": {
+            "unit": "minutes_remaining",
+            "location": "Loetschlauch",
+            "name": "mk4",
+            "description": "Prusa mk4 minutes remaining"
+          },
+          "allowed_credentials": [
+            "club-assistant"
+          ]
+        },
+        {
+          "sensor_data": {
+            "unit": "minutes_remaining",
+            "location": "Loetschlauch",
+            "name": "mk3.5",
+            "description": "Prusa mk3.5 minutes remaining"
           },
           "allowed_credentials": [
             "club-assistant"

config/hosts/public-web-static/spaceapid.nix

@@ -1,19 +1,20 @@
 { pkgs, ... }:
 
 let
-  spaceapidSrc = builtins.fetchGit {
+  version = "v0.1.0";
+  spaceapidSrc = pkgs.fetchgit {
     url = "https://git.hamburg.ccc.de/CCCHH/spaceapid.git";
-    ref = "main";
+    rev = version;
-    rev = "17753f535c68157e80f30f50deb488133cc98258";
+    hash = "sha256-2SDhliltzyydPPZdNn/htDydiK/SHQcYyG/dQ0EyFrY=";
   };
   spaceapid = pkgs.buildGoModule rec {
     pname = "spaceapid";
-    version = "main";
+    inherit version;
 
     src = spaceapidSrc;
 
     ldflags = [
-      "-X main.version=${version}-${spaceapidSrc.rev}"
+      "-X main.version=${version}"
     ];
 
     # Since spaceapid doesn't have any dependencies, we can set this to null and

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

@@ -5,8 +5,13 @@
     ./branding-resources.hamburg.ccc.de.nix
     ./c3cat.de.nix
     ./element.hamburg.ccc.de.nix
+    ./hacker.tours.nix
+    ./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
     ./www.hamburg.ccc.de.nix
     ./historic-easterhegg

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

@@ -1,10 +1,10 @@
 { pkgs, ... }:
 
 let
-  elementWebVersion = "1.11.59";
+  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-iVTd5zWUJh9wkbKMh+5hq0ucQaLLY29w1xCLxDIdQ18=";
+    sha256 = "sha256-z2qaKKyUq2S/r3xUUU3ym0FgFbiQr6bcltuKvUMPbH4=";
   };
   elementSecurityHeaders = ''
     # Configuration best practices

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

@@ -0,0 +1,64 @@
+{ pkgs, ... }:
+
+let
+  domain = "hacker.tours";
+  dataDir = "/var/www/${domain}";
+  deployUser = "hackertours-website-deploy";
+in
+{
+  services.nginx.virtualHosts = {
+    "acme-${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}";
+
+      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;
+
+        error_page 404 /404.html;
+      '';
+    };
+  };
+
+  systemd.tmpfiles.rules = [
+    "d ${dataDir} 0755 ${deployUser} ${deployUser}"
+  ];
+
+  users.users."${deployUser}" = {
+    isNormalUser = true;
+    group = "${deployUser}";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOrDTANfPMkcf+V7zkypzaeX2fxkfStPHmZKqC29xyqy deploy key for hacker.tours"
+    ];
+  };
+  users.groups."${deployUser}" = { };
+}

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

@@ -0,0 +1,69 @@
+{ pkgs, ... }:
+
+let
+  domain = "hackertours.hamburg.ccc.de";
+  dataDir = "/var/www/${domain}";
+  deployUser = "ht-ccchh-website-deploy";
+in
+{
+  services.nginx.virtualHosts = {
+    "acme-${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}";
+
+      extraConfig = ''
+        # Make use of the ngx_http_realip_module to set the $remote_addr and
+        # $remote_port to the client address and client port, when using proxy
+        # protocol.
+        # First set our proxy protocol proxy as trusted.
+        set_real_ip_from 172.31.17.140;
+        # Then tell the realip_module to get the addreses from the proxy protocol
+        # header.
+        real_ip_header proxy_protocol;
+
+        error_page 404 /404.html;
+
+        port_in_redirect off;
+
+        rewrite ^/(de|en)/tours$ /$1/37c3 redirect;
+        rewrite ^/(de|en)/tours/(.*)$ /$1/37c3/$2 redirect;
+      '';
+    };
+  };
+
+  systemd.tmpfiles.rules = [
+    "d ${dataDir} 0755 ${deployUser} ${deployUser}"
+  ];
+
+  users.users."${deployUser}" = {
+    isNormalUser = true;
+    group = "${deployUser}";
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILxMnllgRD6W85IQ0WrVJSwr7dKM8PLNK4pmGaJRu0OR deploy key for hackertours.hamburg.ccc.de"
+    ];
+  };
+  users.groups."${deployUser}" = { };
+}

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

@@ -94,6 +94,8 @@
         real_ip_header proxy_protocol;
 
         error_page 404 /404.html;
+
+        port_in_redirect off;
       '';
     };
   };

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

@@ -1,4 +1,4 @@
-{...}:
+{ ... }:
 
 {
   imports = [
@@ -7,5 +7,6 @@
     ./eh07.nix
     ./eh09.nix
     ./eh11.nix
+    ./eh20.nix
   ];
-}
+}

config/hosts/public-web-static/virtualHosts/historic-easterhegg/eh03.nix

@@ -6,7 +6,7 @@ let
     rev = "74977c56486cd060566bf06678a936e801952f9e";
     hash = "sha256-ded/NO+Jex2Sa4yWAIRpqANsv8i0vKmJSkM5r9KxaVk=";
   };
-in 
+in
 {
   security.acme.certs."eh03.easterhegg.eu".extraDomainNames = [
     "eh2003.hamburg.ccc.de"
@@ -48,7 +48,7 @@ in
       }];
 
       locations."/".return = "302 https://eh03.easterhegg.eu";
-      
+
       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

config/hosts/public-web-static/virtualHosts/historic-easterhegg/eh05.nix

@@ -48,7 +48,7 @@ in
       }];
 
       locations."/".return = "302 https://eh05.easterhegg.eu";
-      
+
       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
@@ -60,7 +60,7 @@ in
         real_ip_header proxy_protocol;
       '';
     };
-    
+
     "eh05.easterhegg.eu" = {
       forceSSL = true;
       useACMEHost = "eh05.easterhegg.eu";
@@ -71,7 +71,7 @@ in
         ssl = true;
         proxyProtocol = true;
       }];
-      
+
       locations."/" = {
         index = "index.shtml";
         root = eh05;
@@ -80,7 +80,7 @@ in
           default_type text/html;
           # Enable SSI
           ssi on;
-        ''; 
+        '';
       };
 
       extraConfig = ''

config/hosts/public-web-static/virtualHosts/historic-easterhegg/eh07.nix

@@ -54,7 +54,7 @@ in
       }];
 
       locations."/".return = "302 https://eh07.easterhegg.eu";
-      
+
       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
@@ -86,7 +86,7 @@ in
           default_type text/html;
           # Enable SSI
           ssi on;
-        ''; 
+        '';
       };
 
       extraConfig = ''

config/hosts/public-web-static/virtualHosts/historic-easterhegg/eh09.nix

@@ -54,7 +54,7 @@ in
       }];
 
       locations."/".return = "302 https://eh09.easterhegg.eu";
-      
+
       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
@@ -86,7 +86,7 @@ in
           default_type text/html;
           # Enable SSI
           ssi on;
-        ''; 
+        '';
       };
       extraConfig = ''
         # Make use of the ngx_http_realip_module to set the $remote_addr and

config/hosts/public-web-static/virtualHosts/historic-easterhegg/eh11.nix

@@ -54,7 +54,7 @@ in
       }];
 
       locations."/".return = "302 https://eh11.easterhegg.eu";
-      
+
       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
@@ -86,7 +86,7 @@ in
           default_type text/html;
           # Enable SSI
           ssi on;
-        ''; 
+        '';
       };
 
       extraConfig = ''

config/hosts/public-web-static/virtualHosts/historic-easterhegg/eh20.nix

@@ -0,0 +1,91 @@
+{ pkgs, ... }:
+
+let
+  eh20 = pkgs.fetchgit {
+    url = "https://git.hamburg.ccc.de/CCCHH/easterhegg-eh20-website.git";
+    rev = "026932ef2f1fb85c99269e0fb547589a25d3687c";
+    hash = "sha256-YYxHhPYIioJgyHXNieoX6ibasHcNw/AFk+qCNSOxke4=";
+  };
+in
+{
+  security.acme.certs."eh20.easterhegg.eu".extraDomainNames = [
+    "www.eh20.easterhegg.eu"
+    "eh20.hamburg.ccc.de"
+  ];
+
+  services.nginx.virtualHosts = {
+    "acme-eh20.easterhegg.eu" = {
+      enableACME = true;
+      serverName = "eh20.easterhegg.eu";
+      serverAliases = [
+        "www.eh20.easterhegg.eu"
+        "eh20.hamburg.ccc.de"
+      ];
+      listen = [{
+        addr = "0.0.0.0";
+        port = 31820;
+      }];
+    };
+
+    "www.eh20.easterhegg.eu" = {
+      forceSSL = true;
+      useACMEHost = "eh20.easterhegg.eu";
+      serverAliases = [
+        "eh20.hamburg.ccc.de"
+      ];
+
+      listen = [{
+        addr = "0.0.0.0";
+        port = 8443;
+        ssl = true;
+        proxyProtocol = true;
+      }];
+
+      locations."/".return = "302 https://eh20.easterhegg.eu";
+
+      extraConfig = ''
+        # Make use of the ngx_http_realip_module to set the $remote_addr and
+        # $remote_port to the client address and client port, when using proxy
+        # protocol.
+        # First set our proxy protocol proxy as trusted.
+        set_real_ip_from 172.31.17.140;
+        # Then tell the realip_module to get the addreses from the proxy protocol
+        # header.
+        real_ip_header proxy_protocol;
+      '';
+    };
+
+    "eh20.easterhegg.eu" = {
+      forceSSL = true;
+      useACMEHost = "eh20.easterhegg.eu";
+
+      listen = [{
+        addr = "0.0.0.0";
+        port = 8443;
+        ssl = true;
+        proxyProtocol = true;
+      }];
+
+      locations."/" = {
+        index = "start.html";
+        root = "${eh20}/wiki_siteexport";
+      };
+
+      # redirect doku.php?id=$pagename to /$pagename.html
+      locations."/doku.php" = {
+        return = "301 $scheme://$host/$arg_id.html";
+      };
+
+      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;
+      '';
+    };
+  };
+}

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

@@ -0,0 +1,61 @@
+{ pkgs, ... }:
+
+let
+  domain = "staging.hacker.tours";
+  dataDir = "/var/www/${domain}";
+  deployUser = "hackertours-website-deploy";
+in
+{
+  services.nginx.virtualHosts = {
+    "acme-${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}"
+  ];
+
+  # Hackertours deploy user already defined in hacker.tours.nix.
+}

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

@@ -0,0 +1,63 @@
+{ pkgs, ... }:
+
+let
+  domain = "staging.hackertours.hamburg.ccc.de";
+  dataDir = "/var/www/${domain}";
+  deployUser = "ht-ccchh-website-deploy";
+in
+{
+  services.nginx.virtualHosts = {
+    "acme-${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;
+
+        error_page 404 /404.html;
+      '';
+    };
+  };
+
+  systemd.tmpfiles.rules = [
+    "d ${dataDir} 0755 ${deployUser} ${deployUser}"
+  ];
+
+  # Hackertours CCCHH deploy user already defined in hackertours.hamburg.ccc.de.nix.
+}

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

@@ -44,6 +44,8 @@
         # Then tell the realip_module to get the addreses from the proxy protocol
         # header.
         real_ip_header proxy_protocol;
+
+        port_in_redirect off;
       '';
     };
   };

config/hosts/status/configuration.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  networking = {
+    hostName = "status";
+    domain = "z9.ccchh.net";
+  };
+
+  system.stateVersion = "24.05";
+}

config/hosts/status/default.nix

@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+  imports = [
+    ./configuration.nix
+    ./networking.nix
+    ./nginx.nix
+    ./uptime-kuma.nix
+  ];
+}

config/hosts/status/networking.nix

@@ -0,0 +1,29 @@
+{ ... }:
+
+{
+  networking = {
+    interfaces.net0 = {
+      ipv4.addresses = [
+        {
+          address = "10.31.206.15";
+          prefixLength = 23;
+        }
+      ];
+      ipv6.addresses = [
+        {
+          address = "2a07:c480:0:1ce::f";
+          prefixLength = 64;
+        }
+      ];
+    };
+    defaultGateway = "10.31.206.1";
+    defaultGateway6 = "2a07:c480:0:1ce::1";
+    nameservers = [ "10.31.206.1" "2a07:c480:0:1ce::1" ];
+    search = [ "z9.ccchh.net" ];
+  };
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:79:D3:E1";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/status/nginx.nix

@@ -0,0 +1,149 @@
+# Sources for this configuration:
+# - https://github.com/louislam/uptime-kuma/wiki/Reverse-Proxy
+
+{ config, ... }:
+
+{
+  services.nginx = {
+    enable = true;
+
+    virtualHosts = {
+      "status.hamburg.ccc.de" = {
+        forceSSL = true;
+        enableACME = true;
+        serverName = "status.hamburg.ccc.de";
+
+        listen = [
+          {
+            addr = "[::]";
+            port = 80;
+          }
+          {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }
+        ];
+
+        locations."/" = {
+          proxyPass = "http://localhost:3001";
+          proxyWebsockets = true;
+        };
+      };
+      "status-proxyprotocol.hamburg.ccc.de" = {
+        forceSSL = true;
+        useACMEHost = "status.hamburg.ccc.de";
+        serverName = "status.hamburg.ccc.de";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 8443;
+            ssl = true;
+            proxyProtocol = true;
+          }
+        ];
+
+        locations."/" = {
+          proxyPass = "http://localhost:3001";
+          proxyWebsockets = true;
+        };
+
+        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 10.31.206.11;
+          # Then tell the realip_module to get the addreses from the proxy protocol
+          # header.
+          real_ip_header proxy_protocol;
+        '';
+      };
+      "status.ccchh.net" = {
+        forceSSL = true;
+        useACMEHost = "status.hamburg.ccc.de";
+        serverName = "status.ccchh.net";
+
+        listen = [
+          {
+            addr = "[::]";
+            port = 80;
+          }
+          {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }
+        ];
+
+        globalRedirect = "status.hamburg.ccc.de";
+        redirectCode = 307;
+      };
+      "status-proxyprotocol.ccchh.net" = {
+        forceSSL = true;
+        useACMEHost = "status.hamburg.ccc.de";
+        serverName = "status.ccchh.net";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 8443;
+            ssl = true;
+            proxyProtocol = true;
+          }
+        ];
+
+        globalRedirect = "status.hamburg.ccc.de";
+        redirectCode = 307;
+
+        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 10.31.206.11;
+          # Then tell the realip_module to get the addreses from the proxy protocol
+          # header.
+          real_ip_header proxy_protocol;
+        '';
+      };
+      "status.z9.ccchh.net" = {
+        forceSSL = true;
+        useACMEHost = "status.hamburg.ccc.de";
+        serverName = "status.z9.ccchh.net";
+
+        listen = [
+          {
+            addr = "0.0.0.0";
+            port = 80;
+          }
+          {
+            addr = "[::]";
+            port = 80;
+          }
+          {
+            addr = "0.0.0.0";
+            port = 443;
+            ssl = true;
+          }
+          {
+            addr = "[::]";
+            port = 443;
+            ssl = true;
+          }
+        ];
+
+        globalRedirect = "status.hamburg.ccc.de";
+        redirectCode = 307;
+      };
+    };
+  };
+
+  security.acme.certs."status.hamburg.ccc.de".extraDomainNames = [
+    "status.ccchh.net"
+    "status.z9.ccchh.net"
+  ];
+
+  networking.firewall.allowedTCPPorts = [ 80 443 8443 ];
+}

config/hosts/status/uptime-kuma.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+{
+  services.uptime-kuma = {
+    enable = true;
+  };
+}

config/hosts/woodpecker/configuration.nix

@@ -0,0 +1,7 @@
+{ config, pkgs, ... }:
+
+{
+  networking.hostName = "woodpecker";
+
+  system.stateVersion = "24.05";
+}

config/hosts/woodpecker/default.nix

@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./woodpecker-agent
+    ./woodpecker-server
+    ./configuration.nix
+    ./networking.nix
+    ./sops.nix
+  ];
+}

config/hosts/woodpecker/networking.nix

@@ -0,0 +1,22 @@
+{ ... }:
+
+{
+  networking = {
+    interfaces.net0 = {
+      ipv4.addresses = [
+        {
+          address = "172.31.17.160";
+          prefixLength = 25;
+        }
+      ];
+    };
+    defaultGateway = "172.31.17.129";
+    nameservers = [ "212.12.50.158" "192.76.134.90" ];
+    search = [ "hamburg.ccc.de" ];
+  };
+
+  systemd.network.links."10-net0" = {
+    matchConfig.MACAddress = "BC:24:11:5F:A9:B7";
+    linkConfig.Name = "net0";
+  };
+}

config/hosts/woodpecker/secrets.yaml

@@ -0,0 +1,234 @@
+woodpecker_server_environment_file: ENC[AES256_GCM,data:68Wu0UOHBAGZHSJ0x4wbeDLm626jpumv9w6A65FNKsmzYp6P4/c4g1MF1agQd7l9nKMTRrgyJyfoEZYFQRX6lYSmcsQLfn++uh1JpFoClT5p/5hBkiDq4owUFU+NGUiyl6yjYlEiaxLwC4ZdyISHeEYpbrvGyIXLsFgdrQ0rVX3cCRwIMxFcyCG6d3MZVoqAw1A=,iv:y/+X02aRPBOoR57P9s7y/SijvXVLuiBBfFYqeJLvQEU=,tag:DNwK+M6s3moglkMkrWccyA==,type:str]
+woodpecker_agent_environment_file: ENC[AES256_GCM,data:rwp6TYYFJ/IZH+3pGhPxjdZMLoyPMr/W1RXm4IkUGn+SmIjHZcdFZ8nEhvOfnkfrXNPc2MR+X6NXUmVOcBjSCbcBjh9sC653UpKimt9I3/Ec,iv:X9JH7dmTayw8BaEsXYil3PrykCdd+/ANGHVfEyRvc7A=,tag:/ErkX1WnruanNgTTBUT6LA==,type:str]
+sops:
+    kms: []
+    gcp_kms: []
+    azure_kv: []
+    hc_vault: []
+    age:
+        - recipient: age1klxtcr23hers0lh4f5zdd53tyrtg0jud35rhydstyjq9fjymf9hsn2a8ch
+          enc: |
+            -----BEGIN AGE ENCRYPTED FILE-----
+            YWdlLWVuY3J5cHRpb24ub3JnL3YxCi0+IFgyNTUxOSBRQlN5NmlaUjR5dGJ3Y3BP
+            bW4rWm1KaVFsbytwZDQ1QjV1d1VEOEZlSTJ3Cmgxc1BmMnBmWjRyNmNDWmpWcnJt
+            Q3lBZUFOY3FtREFUYmhJNCtKcTUxY0kKLS0tIHhKbVVBYjN4WHRzdERNbkRQeHlS
+            UExiNFNCdkQ4YTNMdEdoWTdxOFZOZVEKZZbNpbyH31z5tyXeINqoNyqy8zvS3mp0
+            YFq6P8kO8CaqUG7KH6yWV0Vq4DryQ9vMcQBnboZOfPf9pZUvhacE/Q==
+            -----END AGE ENCRYPTED FILE-----
+    lastmodified: "2024-06-22T15:55:25Z"
+    mac: ENC[AES256_GCM,data:UmDbmxSRj8YfCkKEelQNMJ8mzbu5aQdB9yOr9JfUh5TB9r5Z5ttZ1wgJDJqHNtsII3JGXUvbgHbsmbPikkrj4Ege1rrgr4UttN1rtgeaAKlZIlqb9pOnV4//GJL8jbxCgFp2h2O80G05nAXG54DaY//4Y5hfTyPzgyDlGQ6jlhg=,iv:5e8lpFfGAJh8lTFcY4MlZG7PgnzM0UycsU0tB2KN+zQ=,tag:4xUEHg04wjDbhc9MOItzuQ==,type:str]
+    pgp:
+        - created_at: "2024-06-21T22:42:59Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
+            hQIMAxK/JaB2/SdtAQ//QR84p3zGjW2CtPcPxlmdYui5nx8FV3MHog4R24s4RKNK
+            y4n9993z8m3y2at4yIWDi4LBKrhm/6mSLBHfoxnuiptoaSXSWXfaXebXkYiinkyP
+            GMvwegN6KkRZh4stJMD7W0g7w/trkNEAvPDoInqCnvT4NomrKIV+ZrZuCBLd1tXn
+            JRd2tsH8yYzoZr/PJBBDTZtke/nbosb6drjgG6ow/eHyF++HxKNTWfjCiWn4AWSb
+            c/E1VWsigYdBs8XSTbBkfSLr/b5FcXYb8tyy4gpGe9zOrxc7cW5diK5+x4bM8FHz
+            85ShPA5S3PXXEnuifuk/ZK8+CEYWUS3MXUhuEFUo7F3Pt/Eb+5CtfTX6kvMe1xe9
+            iqFAsRce/qm9Evns4ygZ4+LoI2ro2HFwgQ2fu1gi7PyZsDyW5eRL5P+vfxPUOxYY
+            z9cXXo+U1NEzWMDEBWt4mgoW9URye6O3k+WLQmYbQIhDkftUYmvRrPYQvP282m4k
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+    version: 3.8.1

config/hosts/woodpecker/sops.nix

@@ -0,0 +1,7 @@
+{ ... }:
+
+{
+  sops = {
+    defaultSopsFile = ./secrets.yaml;
+  };
+}

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

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./docker.nix
+    ./woodpecker-agent.nix
+  ];
+}

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

@@ -0,0 +1,12 @@
+# Sources for this configuration:
+# - https://woodpecker-ci.org/docs/administration/deployment/nixos
+# - https://woodpecker-ci.org/docs/administration/backends/docker
+# - https://nixos.wiki/wiki/Docker
+
+{ config, pkgs, ... }:
+
+{
+  virtualisation.docker = {
+    enable = true;
+  };
+}

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

@@ -0,0 +1,29 @@
+# Sources for this configuration:
+# - https://woodpecker-ci.org/docs/administration/deployment/nixos
+# - https://woodpecker-ci.org/docs/administration/agent-config
+# - https://woodpecker-ci.org/docs/administration/backends/docker
+
+{ config, pkgs, ... }:
+
+{
+  services.woodpecker-agents.agents."docker" = {
+    enable = true;
+    package = pkgs.woodpecker-agent;
+    extraGroups = [ "docker" ];
+    environment = {
+      WOODPECKER_SERVER = "localhost${config.services.woodpecker-server.environment.WOODPECKER_GRPC_ADDR}";
+      WOODPECKER_MAX_WORKFLOWS = "4";
+      WOODPECKER_BACKEND = "docker";
+      # Set via enviornmentFile:
+      # WOODPECKER_AGENT_SECRET
+    };
+    environmentFile = [ "/run/secrets/woodpecker_agent_environment_file" ];
+  };
+
+  sops.secrets."woodpecker_agent_environment_file" = {
+    mode = "0440";
+    owner = "root";
+    group = "root";
+    restartUnits = [ "woodpecker-agent-docker.service" ];
+  };
+}

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

@@ -0,0 +1,9 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./nginx.nix
+    ./postgresql.nix
+    ./woodpecker-server.nix
+  ];
+}

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

@@ -0,0 +1,57 @@
+# Sources for this configuration:
+# - https://woodpecker-ci.org/docs/administration/deployment/nixos
+# - https://woodpecker-ci.org/docs/administration/proxy
+
+{ config, pkgs, ... }:
+
+{
+  services.nginx = {
+    enable = true;
+
+    virtualHosts."acme-woodpecker.hamburg.ccc.de" = {
+      default = true;
+      enableACME = true;
+      serverName = "woodpecker.hamburg.ccc.de";
+
+      listen = [
+        {
+          addr = "0.0.0.0";
+          port = 31820;
+        }
+      ];
+    };
+
+    virtualHosts."woodpecker.hamburg.ccc.de" = {
+      default = true;
+      forceSSL = true;
+      useACMEHost = "woodpecker.hamburg.ccc.de";
+
+      listen = [
+        {
+          addr = "0.0.0.0";
+          port = 8443;
+          ssl = true;
+          proxyProtocol = true;
+        }
+      ];
+
+      locations."/" = {
+        proxyPass = "http://localhost${config.services.woodpecker-server.environment.WOODPECKER_SERVER_ADDR}";
+      };
+
+      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;
+      '';
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 8443 31820 ];
+  networking.firewall.allowedUDPPorts = [ 8443 ];
+}

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

@@ -0,0 +1,18 @@
+# Sources for this configuration:
+# - https://github.com/NixOS/nixpkgs/blob/dce84c46d780b20c064d5dfb10d0686e0584a198/nixos/modules/services/web-apps/nextcloud.nix#L1069
+
+{ config, pkgs, ... }:
+
+{
+  services.postgresql = {
+    enable = true;
+    package = pkgs.postgresql_15;
+    ensureDatabases = [ "woodpecker-server" ];
+    ensureUsers = [
+      {
+        name = "woodpecker-server";
+        ensureDBOwnership = true;
+      }
+    ];
+  };
+}

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

@@ -0,0 +1,44 @@
+# Sources for this configuration:
+# - https://woodpecker-ci.org/docs/administration/deployment/nixos
+# - https://woodpecker-ci.org/docs/administration/server-config
+# - https://woodpecker-ci.org/docs/administration/database
+# - https://woodpecker-ci.org/docs/administration/forges/forgejo
+# - https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING
+
+{ config, pkgs, ... }:
+
+{
+  services.woodpecker-server = {
+    enable = true;
+    package = pkgs.woodpecker-server;
+    environment = {
+      WOODPECKER_HOST = "https://woodpecker.hamburg.ccc.de";
+      WOODPECKER_SERVER_ADDR = ":8001";
+      WOODPECKER_GRPC_ADDR = ":9000";
+      WOODPECKER_ADMIN = "june";
+      WOODPECKER_OPEN = "true";
+      WOODPECKER_ORGS = "CCCHH";
+      WOODPECKER_DATABASE_DRIVER = "postgres";
+      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
+    };
+    environmentFile = [ "/run/secrets/woodpecker_server_environment_file" ];
+  };
+
+  systemd.services.woodpecker-server.serviceConfig = {
+    User = "woodpecker-server";
+    Group = "woodpecker-server";
+  };
+
+  sops.secrets."woodpecker_server_environment_file" = {
+    mode = "0440";
+    owner = "root";
+    group = "root";
+    restartUnits = [ "woodpecker-server.service" ];
+  };
+}

config/hosts/yate/default.nix

@@ -5,5 +5,6 @@
     ./configuration.nix
     ./networking.nix
     ./yate.nix
+    ./service.nix
   ];
 }

config/hosts/yate/networking.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, ... }:
+{ ... }:
 
 {
   networking = {

config/hosts/yate/service.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }:
+
+{
+  systemd.services.yate = {
+    enable = true;
+    description = "Yate telehony engine";
+    unitConfig = {
+      Type = "simple";
+      After = "network.target";
+    };
+    serviceConfig = {
+      ExecStart = "${pkgs.yate}/bin/yate -c /yate -e /yate/share -Do";
+      Type = "simple";
+      Restart = "always";
+      # ...
+    };
+    wantedBy = [ "default.target" ];
+    requiredBy = [ "network.target" ];
+    # ...
+  };
+}

config/hosts/yate/yate.nix

@@ -3,6 +3,9 @@
 {
   environment.systemPackages = [
     pkgs.yate
+    pkgs.git
+    pkgs.tcpdump
+    pkgs.tmux
   ];
 
   # Just disable it for now.

deployment_configuration.json

@@ -23,6 +23,18 @@
     },
     "nix-box-june": {
       "targetHostname": "nix-box-june-intern.hamburg.ccc.de"
+    },
+    "mjolnir": {
+      "targetHostname": "mjolnir-intern.hamburg.ccc.de"
+    },
+    "woodpecker": {
+      "targetHostname": "woodpecker-intern.hamburg.ccc.de"
+    },
+    "penpot": {
+      "targetHostname": "penpot-intern.hamburg.ccc.de"
+    },
+    "hydra": {
+      "targetHostname": "hydra-intern.hamburg.ccc.de"
     }
   }
 }

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": 1712450863,
+        "lastModified": 1731200463,
-        "narHash": "sha256-K6IkdtMtq9xktmYPj0uaYc8NsIqHuaAoRBaMgu9Fvrw=",
+        "narHash": "sha256-qDaAweJjdFbVExqs8aG27urUgcgKufkIngHW3Rzustg=",
         "owner": "nix-community",
         "repo": "nixpkgs.lib",
-        "rev": "3c62b6a12571c9a7f65ab037173ee153d539905f",
+        "rev": "e04234d263750db01c78a412690363dc2226e68a",
         "type": "github"
       },
       "original": {
@@ -18,16 +32,14 @@
     "nixos-generators": {
       "inputs": {
         "nixlib": "nixlib",
-        "nixpkgs": [
+        "nixpkgs": "nixpkgs"
-          "nixpkgs"
-        ]
       },
       "locked": {
-        "lastModified": 1716210724,
+        "lastModified": 1731546190,
-        "narHash": "sha256-iqQa3omRcHGpWb1ds75jS9ruA5R39FTmAkeR3J+ve1w=",
+        "narHash": "sha256-kJix8nLyFIJ3EC7VtoXK/85C4ZN2dC5oWoS8+ErehqI=",
         "owner": "nix-community",
         "repo": "nixos-generators",
-        "rev": "d14b286322c7f4f897ca4b1726ce38cb68596c94",
+        "rev": "06ffce1a8d95e95c06a4bcfa117dd960b14a7101",
         "type": "github"
       },
       "original": {
@@ -38,57 +50,41 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1716408408,
+        "lastModified": 1731245184,
-        "narHash": "sha256-e4pjcLqe1Dexz7enk/+ui0aVdcoSiWnrTGjk7KLtAPw=",
+        "narHash": "sha256-vmLS8+x+gHRv1yzj3n+GTAEObwmhxmkkukB2DwtJRdU=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "dff68ababdd2c2616d03f26546ba632f5f09d3c6",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nixos",
-        "ref": "nixos-23.11-small",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1716061101,
-        "narHash": "sha256-H0eCta7ahEgloGIwE/ihkyGstOGu+kQwAiHvwVoXaA0=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e7cc61784ddf51c81487637b3031a6dd2d6673a2",
+        "rev": "aebe249544837ce42588aa4b2e7972222ba12e8f",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "release-23.11",
+        "ref": "nixpkgs-unstable",
         "repo": "nixpkgs",
         "type": "github"
       }
     },
-    "nixpkgs-unstable": {
+    "nixpkgs_2": {
       "locked": {
-        "lastModified": 1716479278,
+        "lastModified": 1731842749,
-        "narHash": "sha256-2eh7rYxQOntkUjFXtlPH7lBuUDd4isu/YHRjNJW7u1Q=",
+        "narHash": "sha256-aNc8irVBH7sM5cGDvqdOueg8S+fGakf0rEMRGfGwWZw=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "2ee89d5a0167a8aa0f2a5615d2b8aefb1f299cd4",
+        "rev": "bf6132dc791dbdff8b6894c3a85eb27ad8255682",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
-        "ref": "nixos-unstable-small",
+        "ref": "nixos-24.05-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": 1716400300,
+        "lastModified": 1731862312,
-        "narHash": "sha256-0lMkIk9h3AzOHs1dCL9RXvvN4PM8VBKb+cyGsqOKa4c=",
+        "narHash": "sha256-NVUTFxKrJp/hjehlF1IvkPnlRYg/O9HFVutbxOM8zNM=",
         "owner": "Mic92",
         "repo": "sops-nix",
-        "rev": "b549832718b8946e875c016a4785d204fcfc2e53",
+        "rev": "472741cf3fee089241ac9ea705bb2b9e0bfa2978",
         "type": "github"
       },
       "original": {

flake.nix

@@ -5,14 +5,13 @@
     # Use the NixOS small channels for nixpkgs.
     # https://nixos.org/manual/nixos/stable/#sec-upgrading
     # https://github.com/NixOS/nixpkgs
-    nixpkgs.url = "github:nixos/nixpkgs/nixos-23.11-small";
+    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.
@@ -21,205 +20,260 @@
       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 = { nixpkgs, nixpkgs-unstable, nixos-generators, sops-nix, ... }:
+  outputs = { self, nixpkgs, nixos-generators, sops-nix, authorizedKeysRepo, ... }:
     let
-      system = "x86_64-linux";
+      specialArgs = {
-      # Shairport Sync 4.3.1 (with nqptp 1.2.4) with metadata, MQTT and AirPlay 2 support.
+        inherit authorizedKeysRepo;
-      shairportSync431ExtendedNixpkgsUnstableOverlay = 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 ];
-          # Use specific Shairport Sync and nqptp versions, since with those the
-          # following error doesn't happen:
-          # fatal error: The nqptp service on this system, which is required for
-          # Shairport Sync to operate, does not seem to be initialised.
-          #
-          # Also use a more recent dev version to fix Pipewire stuttering issue.
-          # See:
-          # https://github.com/mikebrady/shairport-sync/issues/1736
-          # https://github.com/mikebrady/shairport-sync/blob/a65ec2d7f1f380bbae196d7f8f1cd6a88ef5777b/RELEASENOTES-DEVELOPMENT.md#version-432-dev-51-g98679bbb
-          src = final.fetchFromGitHub {
-            owner = "mikebrady";
-            repo = finalAttr.pname;
-            rev = "98679bbb54f5aaeda859e34aa28425647b8d179e";
-            hash = "sha256-k0kcgtWk2xlG34lP0ryEaqdskYMNM68YnIRLwFR3jaY=";
-          };
-        });
-        nqptp = prev.nqptp.overrideAttrs (finalAttr: previousAttr: {
-          # See Shairport Sync version note.
-          src = final.fetchFromGitHub {
-            owner = "mikebrady";
-            repo = finalAttr.pname;
-            rev = "1.2.4";
-            hash = "sha256-roTNcr3v2kzE6vQ5plAVtlw1+2yJplltOYsGGibtoZo=";
-          };
-          # Custom install phase to avoid setcap.
-          # See:
-          # https://github.com/mikebrady/nqptp/blob/1.2.4/Makefile.am#L23
-          installPhase = ''
-            mkdir -p $out/bin
-            cp nqptp $out/bin/
-          '';
-        });
       };
-      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-unstable.lib.nixosSystem {
+        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-unstable.lib.nixosSystem {
+        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
+            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
+            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
+            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
+            self.nixosModules.prometheus-exporter
             ./config/hosts/git
           ];
-          specialArgs = {
-            inherit pkgs-unstable;
-          };
         };
 
         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
+            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
+            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
+            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 specialArgs;
+          modules = [
+            self.nixosModules.common
+            self.nixosModules.proxmox-vm
+            ./config/hosts/mqtt
+          ];
+        };
+
+        mjolnir = nixpkgs.lib.nixosSystem {
+          inherit system specialArgs;
+          modules = [
+            self.nixosModules.common
+            self.nixosModules.proxmox-vm
+            sops-nix.nixosModules.sops
+            self.nixosModules.prometheus-exporter
+            ./config/hosts/mjolnir
+          ];
+        };
+
+        woodpecker = nixpkgs.lib.nixosSystem {
+          inherit system specialArgs;
+          modules = [
+            self.nixosModules.common
+            self.nixosModules.proxmox-vm
+            sops-nix.nixosModules.sops
+            self.nixosModules.prometheus-exporter
+            ./config/hosts/woodpecker
+          ];
+        };
+
+        status = nixpkgs.lib.nixosSystem {
+          inherit system specialArgs;
+          modules = [
+            self.nixosModules.common
+            self.nixosModules.proxmox-vm
+            sops-nix.nixosModules.sops
+            ./config/hosts/status
+          ];
+        };
+
+        penpot = nixpkgs.lib.nixosSystem {
+          inherit system specialArgs;
+          modules = [
+            self.nixosModules.common
+            self.nixosModules.proxmox-vm
+            sops-nix.nixosModules.sops
+            self.nixosModules.prometheus-exporter
+            ./config/hosts/penpot
+          ];
+        };
+
+        hydra = nixpkgs.lib.nixosSystem {
+          inherit system specialArgs;
+          modules = [
+            self.nixosModules.common
+            self.nixosModules.proxmox-vm
+            self.nixosModules.prometheus-exporter
+            ./config/hosts/hydra
+          ];
+        };
       };
 
       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";
         };
       };
 
       formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;
+
+      hydraJobs = {
+        inherit (self) packages;
+        nixosConfigurations = builtins.mapAttrs (name: value: value.config.system.build.toplevel) self.nixosConfigurations;
+      };
     };
 }

modules/services/audio/default.nix

@@ -12,7 +12,6 @@ in
   imports = [
     ./librespot.nix
     ./mpd.nix
-    ./networking.nix
     ./pipewire.nix
     ./shairport-sync.nix
   ];

modules/services/audio/librespot.nix

@@ -23,7 +23,7 @@ in
         After = [ "network-online.target" "pipewire.service" ];
       };
       serviceConfig = {
-        ExecStart = "${pkgs.librespot}/bin/librespot --name '${config.ccchh.services.audio.name}' --device-type speaker --bitrate 320 --enable-volume-normalisation --disable-audio-cache --disable-credential-cache --quiet";
+        ExecStart = "${pkgs.librespot}/bin/librespot --name '${config.ccchh.services.audio.name}' --device-type speaker --bitrate 320 --enable-volume-normalisation --disable-audio-cache --disable-credential-cache";
         User = "librespot";
         Group = "librespot";
       };
@@ -34,7 +34,7 @@ in
       users.librespot = {
         isSystemUser = true;
         group = "librespot";
-        extraGroups = [ "pipewire" ];
+        extraGroups = [ "pipewire" "audio" ];
       };
       groups.librespot = { };
     };

modules/services/audio/networking.nix

@@ -1,16 +0,0 @@
-{ config, pkgs, lib, ... }:
-
-with lib;
-
-let
-
-  cfg = config.ccchh.services.audio;
-
-in
-
-{
-  config = mkIf cfg.enable {
-    # Disable IPv6, since Shairport-Sync doesn't work with IPv6. Unclear why.
-    networking.enableIPv6 = false;
-  };
-}

modules/services/audio/shairport-sync.nix

@@ -20,7 +20,7 @@ in
       arguments = "-o pw -v";
     };
 
-    users.users.shairport.extraGroups = [ "pipewire" ];
+    users.users.shairport.extraGroups = [ "pipewire" "audio" ];
 
     environment.etc.shairport-sync-config = {
       enable = true;