Merge remote-tracking branch 'lass/master'

40 files changed, 355 insertions, 206 deletions

diff --git a/krebs/2configs/exim-smarthost.nix b/krebs/2configs/exim-smarthost.nix
index 224a38ac3..82f8ec942 100644
--- a/krebs/2configs/exim-smarthost.nix
+++ b/krebs/2configs/exim-smarthost.nix
@@ -22,13 +22,11 @@ in {
         tv
       ];
     in {
-      "anmeldung@eloop.org" = eloop-ml;
       "brain@krebsco.de" = brain-ml;
-      "cfp2019@eloop.org" = eloop-ml;
-      "eloop2019@krebsco.de" = eloop-ml;
-      "kontakt@eloop.org" = eloop-ml;
-      "root@eloop.org" = eloop-ml;
-      "youtube@eloop.org" = eloop-ml;
+      "eloop2022@krebsco.de" = eloop-ml;
+      "root@eloop.org" = eloop-ml; # obsolete, use spam@eloop.org instead
+      "spam@eloop.org" = eloop-ml;
+      "youtube@eloop.org" = eloop-ml; # obsolete, use spam@eloop.org instead
       "postmaster@krebsco.de" = spam-ml; # RFC 822
       "lass@krebsco.de" = lass;
       "makefu@krebsco.de" = makefu;
diff --git a/krebs/2configs/reaktor2.nix b/krebs/2configs/reaktor2.nix
index 205cc96f4..2ed0b08fb 100644
--- a/krebs/2configs/reaktor2.nix
+++ b/krebs/2configs/reaktor2.nix
@@ -71,12 +71,12 @@ let
               ${pkgs.hledger}/bin/hledger -f $state_file bal -N -O csv \
                 | ${pkgs.coreutils}/bin/tail +2 \
                 | ${pkgs.miller}/bin/mlr --icsv --opprint cat \
-                | ${pkgs.gnused}/bin/sed 's/^/the_/'
+                | ${pkgs.gnused}/bin/sed 's/^\(.\)/\1‍/'
             '';
           };
         }
         {
-          pattern = ''^([\H-]*):?\s+([+-][1-9][0-9]*)\s+(\S+)$'';
+          pattern = ''^([\H-]*?):?\s+([+-][1-9][0-9]*)\s+(\S+)$'';
           activate = "match";
           arguments = [1 2 3];
           command = {
diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index 2d73da884..8ea727dc7 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -102,6 +102,7 @@ let
 
   imp = lib.mkMerge [
     { krebs = import ./external { inherit config; }; }
+    { krebs = import ./external/dbalan.nix { inherit config; }; }
     { krebs = import ./external/kmein.nix { inherit config; }; }
     { krebs = import ./external/mic92.nix { inherit config; }; }
     { krebs = import ./external/palo.nix { inherit config; }; }
diff --git a/krebs/3modules/external/dbalan.nix b/krebs/3modules/external/dbalan.nix
new file mode 100644
index 000000000..301f010d3
--- /dev/null
+++ b/krebs/3modules/external/dbalan.nix
@@ -0,0 +1,50 @@
+with import <stockholm/lib>;
+{ config, ... }:
+let
+  hostDefaults = hostName: host: flip recursiveUpdate host ({
+    ci = false;
+    external = true;
+    monitoring = false;
+    owner = config.krebs.users.dbalan;
+  } // optionalAttrs (host.nets?retiolum) {
+    nets.retiolum = {
+      ip6.addr = (krebs.genipv6 "retiolum" "external" { inherit hostName; }).address;
+    };
+  } // optionalAttrs (host.nets?wiregrill) {
+    nets.wiregrill = {
+      ip6.addr = (krebs.genipv6 "wiregrill" "external" { inherit hostName; }).address;
+    };
+  });
+in
+{
+  users = rec {
+    dbalan = {
+      mail = "dbalan@thaum.space";
+      pubkey = "sk-ssh-ed25519@openssh.com AAAAGnNrLXNzaC1lZDI1NTE5QG9wZW5zc2guY29tAAAAIAiWF+U3VHNfp1IPU0/TWhMioxJvmoyG1AMZMvnQjy5QAAAABHNzaDo= dj@v60";
+    };
+  };
+  hosts = mapAttrs hostDefaults {
+    v60 = {
+      nets.retiolum = {
+        aliases = [ "v60.dbalan.r" ];
+        ip4.addr = "10.243.42.12";
+        tinc.pubkey = ''
+          -----BEGIN RSA PUBLIC KEY-----
+          MIICCgKCAgEAxVRxcCWfjLu9cNo5ELfXyuwhpJBSfod5f9JkclSpydVHaQBfeVC6
+          RKfdknQVL6RXiCMFsSAvCvmnIohmpUCbiQWu29P/g0jzQZZ7zNx5L7JHy18x9qAr
+          1scu7FRdVErVuWKXXNt0+j45dA+u5HE6RLsjAHGYtQbAr21VLyLF3qq11IWNrFYU
+          uqSnM/ZPbOPPHLS8XtsQRdJ2cOkccSCO4W6xBar92aPFuDImH60VuxMFEKYWY2bz
+          p6q0K0rtRqW1qANTV62SUDeA1wMPlSmvnMFY7qesSLk6tJjJ02HwwiOvK2ov1/Rm
+          bpwcrqrrbUxbCaZC6t7pBBxUOZlGfnO3woZQm63+4TEw/YDHhxD0HbhH88Wc+eHy
+          I73tuL1oc01JxL131bJV6jcHG7LrG7wTsTdDaZpjbH54adJP47QpTMb0ggsx2WkD
+          mpxFFSnTZL7ghZO5NGPvidTBp+wJiSOv5igAjA72CvjR3tOF4d5Lsq4JsQeCStjA
+          OPrIrN0AnJRg2IFDXZEGwTS9AbLWX147O9VrNimLzezOylH4Eihn7GUJ5KLIPjLy
+          AvsgIYljoJuhGbM8QoWlakwqOndMeoqhz52ORZ5CDgfybJJEbyrYF8gYFVNJOzds
+          9gy/F+27TwfjMgcheN2+ogJp+lD754aCF0EJMwaK8ElzQLqAzbBRGAsCAwEAAQ==
+          -----END RSA PUBLIC KEY-----
+        '';
+        tinc.pubkey_ed25519 = "dcPFpCG94cq1KHD4TH9WgOl9fpc1589YvWkmnkEZcSC";
+      };
+    };
+  };
+}
diff --git a/krebs/3modules/external/mic92.nix b/krebs/3modules/external/mic92.nix
index d63a6b306..3bd2c1b7b 100644
--- a/krebs/3modules/external/mic92.nix
+++ b/krebs/3modules/external/mic92.nix
@@ -681,27 +681,6 @@ in {
         };
       };
     };
-    jarvis = {
-      owner = config.krebs.users.mic92;
-      nets = rec {
-        internet.addrs = [ "jarvis.thalheim.io" ];
-        retiolum = {
-          via = internet;
-          aliases = [ "jarvis.r" ];
-          tinc.pubkey = ''
-            -----BEGIN RSA PUBLIC KEY-----
-            MIIBCgKCAQEA7PtJlYBpBr2TK5CAvAukkGvj+esC+sMPKd3mO9iDwdViBrqKdf+D
-            yEy8SI80Y02dpkL97NjvnzepKpyGQWpG1ZQflJLhCTj7oFyVpWd4XsbIuzYp5ES6
-            r8qKWs2xcItc1pbW0ZmrCBzdWsC1B0VAHlYkiz+7vM6pCTvg6hNQugP4c1TRCtJC
-            Sr+n+EjTXN/NTaKl+f7eoHJGnT5liDO3/xZVxm8AuLnron1xPPDghXClVHfDj5mt
-            f66f+CLwZhq3BrZuptwXp7TerMfrNtPyTx96b+EyuLPjrYxKeKL/+Nbr3VmmiDIV
-            tsraNc+0a8OBpVsYh4MQLp55NYwqxAoetQIDAQAB
-            -----END RSA PUBLIC KEY-----
-          '';
-          tinc.pubkey_ed25519 = "RRkMnGSg+nMkz4L2iqmdFf2fIf4wIfcTM0TlTWLLNCE";
-        };
-      };
-    };
     bernie = {
       owner = config.krebs.users.mic92;
       nets = rec {
diff --git a/krebs/3modules/github-known-hosts.nix b/krebs/3modules/github-known-hosts.nix
index 7bdf5bb7c..eec719f27 100644
--- a/krebs/3modules/github-known-hosts.nix
+++ b/krebs/3modules/github-known-hosts.nix
@@ -57,6 +57,7 @@
       "20.201.28.151"
       "20.205.243.166"
       "102.133.202.242"
+      "20.248.137.48"
       "18.181.13.223"
       "54.238.117.237"
       "54.168.17.15"
@@ -70,6 +71,7 @@
       "20.201.28.152"
       "20.205.243.160"
       "102.133.202.246"
+      "20.248.137.50"
     ];
     publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==";
   };
diff --git a/krebs/3modules/iana-etc.nix b/krebs/3modules/iana-etc.nix
index e8037128d..9ed5f29c5 100644
--- a/krebs/3modules/iana-etc.nix
+++ b/krebs/3modules/iana-etc.nix
@@ -34,7 +34,7 @@ with import <stockholm/lib>;
             '')
             (filter (proto: entry.${proto} != null) ["tcp" "udp"])}
           '') (attrValues config.krebs.iana-etc.services)}
-        cat ${pkgs.iana_etc}/etc/services
+        cat ${pkgs.iana-etc}/etc/services
       } |
       sort -b -k 2,2 -u > $out
     '');
diff --git a/krebs/5pkgs/haskell/reaktor2/default.nix b/krebs/5pkgs/haskell/reaktor2/default.nix
index 9ff2bd883..7f89c0b1f 100644
--- a/krebs/5pkgs/haskell/reaktor2/default.nix
+++ b/krebs/5pkgs/haskell/reaktor2/default.nix
@@ -1,18 +1,18 @@
 { mkDerivation, aeson, async, attoparsec, base, blessings
-, bytestring, containers, data-default, fetchgit, filepath
-, hashable, lens, lens-aeson, network, network-simple
-, network-simple-tls, network-uri, pcre-light, process, random
-, servant-server, lib, string-conversions, stringsearch, text
-, time, transformers, unagi-chan, unix, unordered-containers
-, vector, wai, warp
+, bytestring, containers, data-default, filepath, hashable, lens
+, lens-aeson, lib, network, network-simple, network-simple-tls
+, network-uri, pcre-light, process, random, servant-server
+, string-conversions, stringsearch, text, time, transformers
+, unagi-chan, unix, unordered-containers, vector, wai, warp
+, fetchgit
 }:
-mkDerivation rec {
+mkDerivation {
   pname = "reaktor2";
-  version = "0.4.0a";
+  version = "0.4.2";
   src = fetchgit {
-    url = "https://cgit.lassul.us/reaktor2";
-    sha256 = "sha256-x1i2TWcycYVFij6832xaBiQa1RQ1VmSfu5Qt1QrUtds=";
-    rev = "6d3eb6de5e770ee26874bb7449934f0c55bd1efa";
+    url = "https://cgit.krebsco.de/reaktor2";
+    hash = "sha256-JPQyy0hDSH5JqQGjwoO5BNsD4qk+GKP1VH+j4/2cqes";
+    rev = "53a11f421fb18e8687fa06e5511cea8bd9defc36";
     fetchSubmodules = true;
   };
   isLibrary = false;
diff --git a/krebs/5pkgs/override/default.nix b/krebs/5pkgs/override/default.nix
index fe13b4309..ae42bc1a3 100644
--- a/krebs/5pkgs/override/default.nix
+++ b/krebs/5pkgs/override/default.nix
@@ -10,20 +10,17 @@ self: super: {
   });
 
   flameshot = super.flameshot.overrideAttrs (old: rec {
-    patches = old.patches or [] ++ {
-      "0.6.0" = [
-        ./flameshot/flameshot_imgur_0.6.0.patch
-      ];
-      "0.9.0" = [
-        ./flameshot/flameshot_imgur_0.9.0.patch
-      ];
-      "0.10.1" = [
-        ./flameshot/flameshot_imgur_0.9.0.patch
-      ];
-      "0.10.2" = [
-        ./flameshot/flameshot_imgur_0.9.0.patch
-      ];
-    }.${old.version} or [];
+    name = "flameshot-${version}";
+    version = "0.10.2";
+    src = self.fetchFromGitHub {
+      owner = "flameshot-org";
+      repo = "flameshot";
+      rev = "v${version}";
+      sha256 = "sha256-rZUiaS32C77tFJmEkw/9MGbVTVscb6LOCyWaWO5FyR4=";
+    };
+    patches = old.patches or [] ++ [
+      ./flameshot/flameshot_imgur_0.10.2.patch
+    ];
   });
 
   # https://github.com/proot-me/PRoot/issues/106
diff --git a/krebs/5pkgs/override/flameshot/flameshot_imgur_0.9.0.patch b/krebs/5pkgs/override/flameshot/flameshot_imgur_0.10.2.patch
index c4c0bf38a..c4c0bf38a 100644
--- a/krebs/5pkgs/override/flameshot/flameshot_imgur_0.9.0.patch
+++ b/krebs/5pkgs/override/flameshot/flameshot_imgur_0.10.2.patch
diff --git a/krebs/5pkgs/override/flameshot/flameshot_imgur_0.6.0.patch b/krebs/5pkgs/override/flameshot/flameshot_imgur_0.6.0.patch
deleted file mode 100644
index 92023554a..000000000
--- a/krebs/5pkgs/override/flameshot/flameshot_imgur_0.6.0.patch
+++ /dev/null
@@ -1,34 +0,0 @@
---- a/src/tools/imgur/imguruploader.cpp
-+++ b/src/tools/imgur/imguruploader.cpp
-@@ -40,6 +40,7 @@
- #include <QTimer>
- #include <QJsonDocument>
- #include <QJsonObject>
-+#include <stdlib.h>
- 
- ImgurUploader::ImgurUploader(const QPixmap &capture, QWidget *parent) :
-     QWidget(parent), m_pixmap(capture)
-@@ -74,7 +75,10 @@ void ImgurUploader::handleReply(QNetworkReply *reply) {
-         QJsonObject json = response.object();
-         QJsonObject data = json["data"].toObject();
-         m_imageURL.setUrl(data["link"].toString());
--        m_deleteImageURL.setUrl(QString("https://imgur.com/delete/%1").arg(
-+        char *deleteImageURLPattern = secure_getenv("IMGUR_DELETE_URL");
-+        if (deleteImageURLPattern == NULL)
-+            deleteImageURLPattern = "https://imgur.com/delete/%1";
-+        m_deleteImageURL.setUrl(QString(deleteImageURLPattern).arg(
-                                     data["deletehash"].toString()));
-         onUploadOk();
-     } else {
-@@ -105,7 +109,10 @@ void ImgurUploader::upload() {
-     QString description = FileNameHandler().parsedPattern();
-     urlQuery.addQueryItem("description", description);
- 
--    QUrl url("https://api.imgur.com/3/image");
-+    char *createImageURLPattern = secure_getenv("IMGUR_CREATE_URL");
-+    if (createImageURLPattern == NULL)
-+        createImageURLPattern = "https://api.imgur.com/3/image";
-+    QUrl url(createImageURLPattern);
-     url.setQuery(urlQuery);
-     QNetworkRequest request(url);
-     request.setHeader(QNetworkRequest::ContentTypeHeader,
diff --git a/krebs/5pkgs/simple/cidr2glob.nix b/krebs/5pkgs/simple/cidr2glob.nix
index 9b0b3f86b..47a75ea41 100644
--- a/krebs/5pkgs/simple/cidr2glob.nix
+++ b/krebs/5pkgs/simple/cidr2glob.nix
@@ -1,6 +1,7 @@
-{ python, writeScriptBin, ... }:
+{ python3, writeScriptBin, ... }:
 
 let
+  python = python3;
   pythonEnv = python.withPackages (ps: [ ps.netaddr ]);
 in
   writeScriptBin "cidr2glob" ''
@@ -25,6 +26,6 @@ in
     if __name__ == "__main__":
         for cidr in sys.stdin:
             for glob in cidr2glob(cidr):
-                print glob
+                print(glob)
 
   ''
diff --git a/krebs/5pkgs/simple/veroroute.nix b/krebs/5pkgs/simple/veroroute.nix
new file mode 100644
index 000000000..e40c98e75
--- /dev/null
+++ b/krebs/5pkgs/simple/veroroute.nix
@@ -0,0 +1,28 @@
+{ pkgs }:
+
+pkgs.stdenv.mkDerivation rec {
+  pname = "veroroute";
+  version = "2.28";
+
+  src = pkgs.fetchurl {
+    url = "mirror://sourceforge/${pname}/${pname}-${version}.tar.gz";
+    sha256 = "04dig0g4v1rz50mjj1k6jk99rqbg24hdx8kzrlwv0dlxm567lvc7";
+  };
+
+  buildInputs = [
+    pkgs.qt5.qtbase
+  ];
+  nativeBuildInputs = [
+    pkgs.qt5.wrapQtAppsHook
+  ];
+
+  buildPhase = ''
+    qmake Src/veroroute.pro
+    make
+  '';
+
+  installPhase = ''
+    sed -i 's;/usr;;g' veroroute-install.sh
+    pkgdir=$out bash ./veroroute-install.sh
+  '';
+}
diff --git a/krebs/nixpkgs-unstable.json b/krebs/nixpkgs-unstable.json
index 49d65160d..9c50f9709 100644
--- a/krebs/nixpkgs-unstable.json
+++ b/krebs/nixpkgs-unstable.json
@@ -1,9 +1,9 @@
 {
   "url": "https://github.com/NixOS/nixpkgs",
-  "rev": "5ce6597eca7d7b518c03ecda57d45f9404b5e060",
-  "date": "2022-05-24T17:55:48+02:00",
-  "path": "/nix/store/glvcj0zmqq9z5wf6bppnppbpf8w85iwf-nixpkgs",
-  "sha256": "1hs1lnnbp1dky3nfp7xlricpp5c63sr46jyrnvykci8bl8jnxnl3",
+  "rev": "e4d49de45a3b5dbcb881656b4e3986e666141ea9",
+  "date": "2022-07-18T18:21:45+02:00",
+  "path": "/nix/store/665hb1ysmaadwh4axp7f9inhczq08xay-nixpkgs",
+  "sha256": "0y0c9ybkcfmjgrl93wzzlk7ii95kh2fb4v5ac5w6rmcsq2ff3yaz",
   "fetchLFS": false,
   "fetchSubmodules": false,
   "deepClone": false,
diff --git a/krebs/nixpkgs.json b/krebs/nixpkgs.json
index e6dbcf37b..799399ea7 100644
--- a/krebs/nixpkgs.json
+++ b/krebs/nixpkgs.json
@@ -1,9 +1,9 @@
 {
   "url": "https://github.com/NixOS/nixpkgs",
-  "rev": "8b538fcb329a7bc3d153962f17c509ee49166973",
-  "date": "2022-06-15T15:30:32+08:00",
-  "path": "/nix/store/7r9xwvy1qc2m88cpx8sz494ad08whgqg-nixpkgs",
-  "sha256": "08797zlq57i8bi8f89j38ymi8nwp5hp0vh62162k526qf6v3paqz",
+  "rev": "e732e1fdbf79bec59f7ade4a3675b091b4a9f6d6",
+  "date": "2022-07-19T15:32:15+02:00",
+  "path": "/nix/store/4dcxnk4xplx79xrwxg2m6pqh8b5k6ya0-nixpkgs",
+  "sha256": "1j73j17g852zfc75b7ll4avp30pnyvm37pgm66cz844phkv5ywfg",
   "fetchLFS": false,
   "fetchSubmodules": false,
   "deepClone": false,
diff --git a/lass/2configs/fysiirc.nix b/lass/2configs/fysiirc.nix
index e12eda42e..809298df4 100644
--- a/lass/2configs/fysiirc.nix
+++ b/lass/2configs/fysiirc.nix
@@ -10,8 +10,7 @@
       ${write_to_irc} "$(echo "$INPUT" | jq -r '
         "\(.action): " +
         "[\(.issue.title // .pull_request.title)] " +
-        "\(.comment.html_url // .issue.html_url // .pull_request.html_url) " +
-        "by \(.comment.user.login // .issue.user.login // .pull_request.user.login)"
+        "\(.comment.html_url // .issue.html_url // .pull_request.html_url) "
       ')"
     fi
   '';
@@ -58,16 +57,16 @@ in {
       case "$Method $Request_URI" in
         "POST /")
           payload=$(head -c "$req_content_length")
-          echo "$payload" >&2
+          raw=$(printf '%s' "$payload" | ${pkgs.curl}/bin/curl --data-binary @- http://p.krebsco.de | tail -1)
           payload2=$payload
-          payload2=$(echo "$payload" | tr '\n' ' ' | tr -d '\r')
+          payload2=$(printf '%s' "$payload" | tr '\n' ' ' | tr -d '\r')
           if [ "$payload" != "$payload2" ]; then
             echo "payload has been mangled" >&2
           else
             echo "payload not mangled" >&2
           fi
-          echo "$payload2" > /tmp/last_fysi_payload
           echo "$payload2" | ${format-github-message}/bin/format-github-message
+          ${write_to_irc} "$raw"
           printf 'HTTP/1.1 200 OK\r\n'
           printf 'Connection: close\r\n'
           printf '\r\n'
diff --git a/lass/2configs/radio/default.nix b/lass/2configs/radio/default.nix
index b8d958865..2f503eae9 100644
--- a/lass/2configs/radio/default.nix
+++ b/lass/2configs/radio/default.nix
@@ -168,7 +168,7 @@ in {
     output.icecast(mount = '/music.mp3', password = 'hackme', %mp3.vbr(), source)
     output.icecast(mount = '/music.opus', password = 'hackme', %opus(bitrate = 96), source)
 
-    extra_input = audio_to_stereo(input.harbor("live", port=1338))
+    extra_input = amplify(1.4, audio_to_stereo(input.harbor("live", port=1338)))
 
     o = smooth_add(normal = source, special = extra_input)
     output.icecast(mount = '/radio.ogg', password = 'hackme', %vorbis(quality = 1), o)
diff --git a/lass/2configs/radio/weather_for_ips.py b/lass/2configs/radio/weather_for_ips.py
index f7cc2dace..587cc1f28 100644
--- a/lass/2configs/radio/weather_for_ips.py
+++ b/lass/2configs/radio/weather_for_ips.py
@@ -25,9 +25,9 @@ for ip in fileinput.input():
         output.append(
             f'Weather report for {location.city.name}, {location.country.name}. '
             f'Currently it is {weather["current"]["weather"][0]["description"]} outside '
-            f'with a temperature of {weather["current"]["temp"]} degrees, '
-            f'and a wind speed of {weather["current"]["wind_speed"]} meters per second. '
-            f'The probability of precipitation is {weather["hourly"][0]["pop"] * 100} percent. '
+            f'with a temperature of {weather["current"]["temp"]:.1f} degrees, '
+            f'and a wind speed of {weather["current"]["wind_speed"]:.1f} meters per second. '
+            f'The probability of precipitation is {weather["hourly"][0]["pop"] * 100:.0f} percent. '
         )
 
 print('\n'.join(output))
diff --git a/lass/2configs/websites/domsen.nix b/lass/2configs/websites/domsen.nix
index fe4d78a3b..90a0a5a72 100644
--- a/lass/2configs/websites/domsen.nix
+++ b/lass/2configs/websites/domsen.nix
@@ -104,7 +104,7 @@ in {
   services.nextcloud = {
     enable = true;
     hostName = "o.xanf.org";
-    package = pkgs.nextcloud23;
+    package = pkgs.nextcloud24;
     config = {
       adminpassFile = "/run/nextcloud.pw";
       overwriteProtocol = "https";
diff --git a/lass/3modules/default.nix b/lass/3modules/default.nix
index 570bb45be..3a0b1306c 100644
--- a/lass/3modules/default.nix
+++ b/lass/3modules/default.nix
@@ -2,6 +2,7 @@ _:
 {
   imports = [
     ./dnsmasq.nix
+    ./drbd.nix
     ./folderPerms.nix
     ./hosts.nix
     ./klem.nix
diff --git a/lass/3modules/drbd.nix b/lass/3modules/drbd.nix
new file mode 100644
index 000000000..816e58f0a
--- /dev/null
+++ b/lass/3modules/drbd.nix
@@ -0,0 +1,118 @@
+{ config, lib, pkgs, ... }: let
+  cfg = config.lass.drbd;
+  slib = import <stockholm/lib>;
+in {
+  options = {
+    lass.drbd = lib.mkOption {
+      default = {};
+      type = lib.types.attrsOf (lib.types.submodule ({ config, ... }: {
+        options = {
+          name = lib.mkOption {
+            type = lib.types.str;
+            default = config._module.args.name;
+          };
+          blockMinor = lib.mkOption {
+            type = lib.types.int;
+            default = lib.mod (slib.genid config.name) 16000; # TODO get max_id fron drbd
+          };
+          port = lib.mkOption {
+            type = lib.types.int;
+            default = 20000 + config.blockMinor;
+          };
+          peers = lib.mkOption {
+            type = lib.types.listOf slib.types.host;
+          };
+          disk = lib.mkOption {
+            type = lib.types.str;
+            default = "/dev/loop${toString config.blockMinor}";
+          };
+          drbdConfig = lib.mkOption {
+            type = lib.types.path;
+            internal = true;
+            default = pkgs.writeText "drbd-${config.name}.conf" ''
+              resource ${config.name} {
+                net {
+                  protocol a;
+                  ping-int 10;
+                }
+                device minor ${toString config.blockMinor};
+                disk ${config.disk};
+                meta-disk internal;
+                ${slib.indent (lib.concatStrings (lib.imap1 (i: peer: /* shell */ ''
+                  on ${peer.name} {
+                    address ${peer.nets.retiolum.ip4.addr}:${toString config.port};
+                    node-id ${toString i};
+                  }
+                '') config.peers))}
+                connection-mesh {
+                  hosts ${lib.concatMapStringsSep " " (peer: peer.name) config.peers};
+                }
+              }
+            '';
+          };
+        };
+      }));
+    };
+  };
+  config = lib.mkIf (cfg != {}) {
+    boot.extraModulePackages = [
+      (pkgs.linuxPackages.callPackage ../5pkgs/drbd9/default.nix {})
+    ];
+    boot.extraModprobeConfig = ''
+      options drbd usermode_helper=/run/current-system/sw/bin/drbdadm
+    '';
+    services.udev.packages = [ pkgs.drbd ];
+    boot.kernelModules = [ "drbd" ];
+
+    environment.systemPackages = [ pkgs.drbd ];
+
+
+    networking.firewall.allowedTCPPorts = map (device: device.port) (lib.attrValues cfg);
+    systemd.services = lib.mapAttrs' (_: device:
+      lib.nameValuePair "drbd-${device.name}" {
+        after = [ "systemd-udev.settle.service" "network.target" ];
+        wants = [ "systemd-udev.settle.service" ];
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig = {
+          RemainAfterExit = true;
+          ExecStart = pkgs.writers.writeDash "start-drbd-${device.name}" ''
+            set -efux
+            mkdir -p /var/lib/sync-containers2
+            ${lib.optionalString (device.disk == "/dev/loop${toString device.blockMinor}") ''
+              if ! test -e /var/lib/sync-containers2/${device.name}.disk; then
+                truncate -s 10G /var/lib/sync-containers2/${device.name}.disk
+              fi
+              if ! ${pkgs.util-linux}/bin/losetup /dev/loop${toString device.blockMinor}; then
+                ${pkgs.util-linux}/bin/losetup /dev/loop${toString device.blockMinor} /var/lib/sync-containers2/${device.name}.disk
+              fi
+            ''}
+            if ! ${pkgs.drbd}/bin/drbdadm adjust ${device.name}; then
+              ${pkgs.drbd}/bin/drbdadm down ${device.name}
+              ${pkgs.drbd}/bin/drbdadm create-md ${device.name}
+              ${pkgs.drbd}/bin/drbdadm up ${device.name}
+            fi
+          '';
+          ExecStop = pkgs.writers.writeDash "stop-drbd-${device.name}" ''
+            set -efux
+            ${pkgs.drbd}/bin/drbdadm -c ${device.drbdConfig} down ${device.name}
+            ${lib.optionalString (device.disk == "/dev/loop${toString device.blockMinor}") ''
+              ${pkgs.util-linux}/bin/losetup -d /dev/loop${toString device.blockMinor}
+            ''}
+          '';
+        };
+      }
+    ) cfg;
+
+
+    environment.etc."drbd.conf".text = ''
+      global {
+        usage-count yes;
+      }
+
+      ${lib.concatMapStrings (device: /* shell */ ''
+        include ${device.drbdConfig};
+      '') (lib.attrValues cfg)}
+    '';
+  };
+}
+
diff --git a/lass/5pkgs/default.nix b/lass/5pkgs/default.nix
index e4208f1c1..6fa93e146 100644
--- a/lass/5pkgs/default.nix
+++ b/lass/5pkgs/default.nix
@@ -1,24 +1,24 @@
-with import <stockholm/lib>;
 self: super: let
+  lib = super.lib;
 
   # This callPackage will try to detect obsolete overrides.
   callPackage = path: args: let
     override =  super.callPackage path args;
-    upstream = optionalAttrs (override ? "name")
-      (super.${(parseDrvName override.name).name} or {});
+    upstream = lib.optionalAttrs (override ? "name")
+      (super.${(builtins.parseDrvName override.name).name} or {});
   in if upstream ? "name" &&
         override ? "name" &&
-        compareVersions upstream.name override.name != -1
+        builtins.compareVersions upstream.name override.name != -1
     then
-      trace
+      builtins.trace
         "Upstream `${upstream.name}' gets overridden by `${override.name}'."
         override