Merge remote-tracking branch 'prism/master'

33 files changed, 592 insertions, 133 deletions

diff --git a/krebs/2configs/ircd.nix b/krebs/2configs/ircd.nix
index 3ef2e7d2b..d4ac9e42a 100644
--- a/krebs/2configs/ircd.nix
+++ b/krebs/2configs/ircd.nix
@@ -5,9 +5,9 @@
     6667 6669
   ];
 
-  systemd.services.charybdis.serviceConfig.LimitNOFILE = 16384;
+  systemd.services.solanum.serviceConfig.LimitNOFILE = 16384;
 
-  krebs.charybdis = {
+  krebs.solanum = {
     enable = true;
     motd = ''
       hello
diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index 85d27459b..e75afad1d 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -17,7 +17,6 @@ let
       ./buildbot/slave.nix
       ./build.nix
       ./cachecache.nix
-      ./charybdis.nix
       ./ci.nix
       ./current.nix
       ./dns.nix
@@ -52,6 +51,7 @@ let
       ./secret.nix
       ./setuid.nix
       ./shadow.nix
+      ./solanum.nix
       ./sync-containers.nix
       ./tinc.nix
       ./tinc_graphs.nix
diff --git a/krebs/3modules/charybdis.nix b/krebs/3modules/solanum.nix
index 038d79dd0..00aefce85 100644
--- a/krebs/3modules/charybdis.nix
+++ b/krebs/3modules/solanum.nix
@@ -2,10 +2,10 @@
 
 let
   inherit (lib) mkEnableOption mkIf mkOption singleton types;
-  inherit (pkgs) coreutils charybdis;
-  cfg = config.krebs.charybdis;
+  inherit (pkgs) coreutils solanum;
+  cfg = config.krebs.solanum;
 
-  configFile = pkgs.writeText "charybdis.conf" ''
+  configFile = pkgs.writeText "solanum.conf" ''
     ${cfg.config}
   '';
 in
@@ -16,22 +16,22 @@ in
 
   options = {
 
-    krebs.charybdis = {
+    krebs.solanum = {
 
-      enable = mkEnableOption "Charybdis IRC daemon";
+      enable = mkEnableOption "Solanum IRC daemon";
 
       config = mkOption {
         type = types.str;
         description = ''
-          Charybdis IRC daemon configuration file.
+          Solanum IRC daemon configuration file.
         '';
       };
 
       statedir = mkOption {
-        type = types.str;
-        default = "/var/lib/charybdis";
+        type = types.path;
+        default = "/var/lib/solanum";
         description = ''
-          Location of the state directory of charybdis.
+          Location of the state directory of solanum.
         '';
       };
 
@@ -39,7 +39,7 @@ in
         type = types.str;
         default = "ircd";
         description = ''
-          Charybdis IRC daemon user.
+          Solanum IRC daemon user.
         '';
       };
 
@@ -47,7 +47,7 @@ in
         type = types.str;
         default = "ircd";
         description = ''
-          Charybdis IRC daemon group.
+          Solanum IRC daemon group.
         '';
       };
 
@@ -55,9 +55,9 @@ in
         type = types.nullOr types.lines;
         default = null;
         description = ''
-          Charybdis MOTD text.
+          Solanum MOTD text.
 
-          Charybdis will read its MOTD from /etc/charybdis/ircd.motd .
+          Solanum will read its MOTD from /etc/solanum/ircd.motd .
           If set, the value of this option will be written to this path.
         '';
       };
@@ -72,38 +72,36 @@ in
   config = mkIf cfg.enable (lib.mkMerge [
     {
       users.users.${cfg.user} = {
-        description = "Charybdis IRC daemon user";
+        description = "Solanum IRC daemon user";
         uid = config.ids.uids.ircd;
         group = cfg.group;
       };
 
       users.groups.${cfg.group} = {
-        name = cfg.group;
         gid = config.ids.gids.ircd;
       };
 
-      systemd.services.charybdis = {
-        description = "Charybdis IRC daemon";
+      systemd.tmpfiles.rules = [
+        "d ${cfg.statedir} - ${cfg.user} ${cfg.group} - -"
+      ];
+
+      systemd.services.solanum = {
+        description = "Solanum IRC daemon";
         wantedBy = [ "multi-user.target" ];
         environment = {
           BANDB_DBPATH = "${cfg.statedir}/ban.db";
         };
         serviceConfig = {
-          ExecStart   = "${charybdis}/bin/charybdis -foreground -logfile /dev/stdout -configfile ${configFile}";
+          ExecStart   = "${solanum}/bin/solanum -foreground -logfile /dev/stdout -configfile ${configFile} -pidfile ${cfg.statedir}/ircd.pid";
           Group = cfg.group;
           User = cfg.user;
-          PermissionsStartOnly = true; # preStart needs to run with root permissions
         };
-        preStart = ''
-          ${coreutils}/bin/mkdir -p ${cfg.statedir}
-          ${coreutils}/bin/chown ${cfg.user}:${cfg.group} ${cfg.statedir}
-        '';
       };
 
     }
 
     (mkIf (cfg.motd != null) {
-      environment.etc."charybdis/ircd.motd".text = cfg.motd;
+      environment.etc."solanum/ircd.motd".text = cfg.motd;
     })
   ]);
 }
diff --git a/krebs/5pkgs/simple/solanum/bandb.patch b/krebs/5pkgs/simple/solanum/bandb.patch
new file mode 100644
index 000000000..7d204398b
--- /dev/null
+++ b/krebs/5pkgs/simple/solanum/bandb.patch
@@ -0,0 +1,12 @@
+diff --git a/ircd/bandbi.c b/ircd/bandbi.c
+index 29a3bfa2..16a40f17 100644
+--- a/ircd/bandbi.c
++++ b/ircd/bandbi.c
+@@ -83,7 +83,6 @@ start_bandb(void)
+ 	const char *suffix = "";
+ #endif
+ 
+-	rb_setenv("BANDB_DBPATH", ircd_paths[IRCD_PATH_BANDB], 1);
+ 	if(bandb_path == NULL)
+ 	{
+ 		snprintf(fullpath, sizeof(fullpath), "%s%cbandb%s", ircd_paths[IRCD_PATH_LIBEXEC], RB_PATH_SEPARATOR, suffix);
diff --git a/krebs/5pkgs/simple/solanum/default.nix b/krebs/5pkgs/simple/solanum/default.nix
new file mode 100644
index 000000000..279cccbcc
--- /dev/null
+++ b/krebs/5pkgs/simple/solanum/default.nix
@@ -0,0 +1,63 @@
+{ lib, stdenv
+, fetchFromGitHub
+, autoreconfHook
+, pkg-config
+, bison
+, flex
+, openssl
+, sqlite
+, lksctp-tools
+}:
+
+stdenv.mkDerivation rec {
+  pname = "solanum";
+  version = "unstable-2021-04-27";
+
+  src = fetchFromGitHub {
+    owner = "solanum-ircd";
+    repo = pname;
+    rev = "3ff5a12e75662e9a642f2a4364797bd361eb0925";
+    sha256 = "14ywmfdv8cncbyg08y2qdis00kwg8lvhkcgj185is67smh0qf88f";
+  };
+
+  patches = [
+    ./dont-create-logdir.patch
+    ./bandb.patch # https://github.com/solanum-ircd/solanum/issues/156
+  ];
+
+  configureFlags = [
+    "--enable-epoll"
+    "--enable-ipv6"
+    "--enable-openssl=${openssl.dev}"
+    "--with-program-prefix=solanum-"
+    "--localstatedir=/var/lib"
+    "--with-rundir=/run"
+    "--with-logdir=/var/log"
+  ] ++ lib.optionals (stdenv.isLinux) [
+    "--enable-sctp=${lksctp-tools.out}/lib"
+  ];
+
+  nativeBuildInputs = [
+    autoreconfHook
+    bison
+    flex
+    pkg-config
+  ];
+
+  buildInputs = [
+    openssl
+    sqlite
+  ];
+
+  doCheck = !stdenv.isDarwin;
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "An IRCd for unified networks";
+    homepage = "https://github.com/solanum-ircd/solanum";
+    license = licenses.gpl2Only;
+    maintainers = with maintainers; [ hexa ];
+    platforms = platforms.unix;
+  };
+}
diff --git a/krebs/5pkgs/simple/solanum/dont-create-logdir.patch b/krebs/5pkgs/simple/solanum/dont-create-logdir.patch
new file mode 100644
index 000000000..e348dd7b8
--- /dev/null
+++ b/krebs/5pkgs/simple/solanum/dont-create-logdir.patch
@@ -0,0 +1,14 @@
+diff --git a/Makefile.am b/Makefile.am
+index 19e7b396..21093521 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -35,9 +35,6 @@ include/serno.h:
+ 		echo '#define DATECODE 0UL' >>include/serno.h; \
+ 	fi
+ 
+-install-data-hook:
+-	test -d ${DESTDIR}${logdir} || mkdir -p ${DESTDIR}${logdir}
+-
+ install-exec-hook:
+ 	rm -f ${DESTDIR}${libdir}/*.la
+ 	rm -f ${DESTDIR}${moduledir}/*.la
diff --git a/krebs/nixpkgs-unstable.json b/krebs/nixpkgs-unstable.json
index 83ae57a6f..fe46ec022 100644
--- a/krebs/nixpkgs-unstable.json
+++ b/krebs/nixpkgs-unstable.json
@@ -1,9 +1,9 @@
 {
   "url": "https://github.com/NixOS/nixpkgs",
-  "rev": "39e6bf76474ce742eb027a88c4da6331f0a1526f",
-  "date": "2021-05-04T23:07:42+02:00",
-  "path": "/nix/store/9zbih9x2pfi782vv73v0vjxscmzyf4da-nixpkgs",
-  "sha256": "1pxigbywdq4yf7smas6zq4vhakbkvm1vhj443qjikh77fc8hy17b",
+  "rev": "7a1fbc38a4b538450ac0d42aec8a3e513b4d723e",
+  "date": "2021-05-16T12:16:31+02:00",
+  "path": "/nix/store/iq2sy65gmwad2prm8lcdh6k5f7ywxci5-nixpkgs",
+  "sha256": "0jg8dilsw0gr4jfshkk3wd50gddd11hvd836fxkw43m6m47885p7",
   "fetchSubmodules": false,
   "deepClone": false,
   "leaveDotGit": false
diff --git a/krebs/nixpkgs.json b/krebs/nixpkgs.json
index 1d1dee220..06b865cc8 100644
--- a/krebs/nixpkgs.json
+++ b/krebs/nixpkgs.json
@@ -1,9 +1,9 @@
 {
   "url": "https://github.com/NixOS/nixpkgs",
-  "rev": "d90df566caff6ef84f7bfccc2a2c95496f221d62",
-  "date": "2021-05-04T18:59:22-04:00",
-  "path": "/nix/store/3jr3hwykb05r9m5g3phpx6f7k2956ny3-nixpkgs",
-  "sha256": "0f1im9c83kyc465k5lsqyhb5saki3dgh5bb1gyyh7gmqlhyvqcax",
+  "rev": "33824cdf8e4fec30c5b9ddc91b18991c3c375227",
+  "date": "2021-05-18T19:08:44-04:00",
+  "path": "/nix/store/s3f1q2a5hn60jdnz8h66z7yahrmzifin-nixpkgs",
+  "sha256": "1sad0x998k3iid2vp57kv4skvf90yh4gbs61dv3p45c2qi3sql46",
   "fetchSubmodules": false,
   "deepClone": false,
   "leaveDotGit": false
diff --git a/makefu/0tests/data/secrets/signal/messenger.nix b/makefu/0tests/data/secrets/signal/messenger.nix
new file mode 100644
index 000000000..b43bb3897
--- /dev/null
+++ b/makefu/0tests/data/secrets/signal/messenger.nix
@@ -0,0 +1,6 @@
+{
+  number = "+1dotdotdot";
+  home = "group.ABCDE";
+  felix = "group.ABCDE";
+
+}
diff --git a/makefu/1systems/gum/config.nix b/makefu/1systems/gum/config.nix
index 862dfb53e..763d36841 100644
--- a/makefu/1systems/gum/config.nix
+++ b/makefu/1systems/gum/config.nix
@@ -160,7 +160,7 @@ in {
       <stockholm/makefu/2configs/bgt/download.binaergewitter.de.nix>
       <stockholm/makefu/2configs/bgt/hidden_service.nix>
       <stockholm/makefu/2configs/bgt/backup.nix>
-      <stockholm/makefu/2configs/bgt/social-to-irc.nix>
+      # <stockholm/makefu/2configs/bgt/social-to-irc.nix>
 
       # <stockholm/makefu/2configs/logging/client.nix>
 
diff --git a/makefu/2configs/bgt/etherpad.euer.krebsco.de.nix b/makefu/2configs/bgt/etherpad.euer.krebsco.de.nix
index 48b947c58..cf5b22bae 100644
--- a/makefu/2configs/bgt/etherpad.euer.krebsco.de.nix
+++ b/makefu/2configs/bgt/etherpad.euer.krebsco.de.nix
@@ -30,8 +30,12 @@ in {
         proxy_read_timeout 1799s;
     '';
   };
-  docker-containers."etherpad-lite" = {
-    image = "makefoo/bgt-etherpad:2020-05-02.6";
+  state = [ "/var/lib/docker/volumes/etherpad_data/_data/" ];
+  virtualisation.oci-containers.containers."etherpad-lite" = {
+    image = "makefoo/bgt-etherpad:2021-04-16.3"; # --build-arg ETHERPAD_PLUGINS="ep_markdown"
+    # ep_codepad does not work anymore
+
+    #image = "etherpad/etherpad:1.8.13";
     ports = [ "127.0.0.1:${toString port}:9001" ];
     volumes = [
       "/var/src/secrets/etherpad/apikey:/opt/etherpad-lite/APIKEY.txt"
@@ -46,7 +50,10 @@ in {
   #DB_PASS=mypassword
     environment = {
       # ADMIN_PASSWORD = "auf jeden fall nicht das echte admin passwort";
+      # LOGLEVEL = "DEBUG";
+
       SUPPRESS_ERRORS_IN_PAD_TEXT = "true";
+      TRUST_PROXY =  "true";
       TITLE = "Binärgewitter Etherpad";
       SKIN_NAME = "no-skin";
       DEFAULT_PAD_TEXT = builtins.replaceStrings ["\n"] ["\\n"] (builtins.readFile ./template.md);
diff --git a/makefu/2configs/bgt/social-to-irc.nix b/makefu/2configs/bgt/social-to-irc.nix
index dc975c359..8e81f9b50 100644
--- a/makefu/2configs/bgt/social-to-irc.nix
+++ b/makefu/2configs/bgt/social-to-irc.nix
@@ -1,10 +1,17 @@
+{ pkgs, ... }:
 {
-  # systemd.services.brockman.environment."BROCKMAN_LOG_LEVEL" = "DEBUG";
+  systemd.services.brockman.environment."BROCKMAN_LOG_LEVEL" = "DEBUG";
+  systemd.services.restart-brockman = {
+    after = [ "brockman.service" ];
+    wantedBy = [ "multi-user.target" ];
+    startAt = "daily";
+    script = "${pkgs.systemd}/bin/systemctl try-restart brockman.service";
+  };
   krebs.brockman = {
     enable = true;
     config = {
       channel = "#binaergewitter";
-      notifyErrors =  false;
+      notifyErrors = false;
       irc = {
         host = "irc.freenode.net";
         port = 6667;
diff --git a/makefu/2configs/bgt/template.md b/makefu/2configs/bgt/template.md
index d30cb49eb..af5de0697 100644
--- a/makefu/2configs/bgt/template.md
+++ b/makefu/2configs/bgt/template.md
@@ -21,6 +21,7 @@
 ## Vorschläge
 ### Backlog von Picks und Lesefoo aus der letzten Woche
 
+die Nachfolgenden 3 Striche sind sehr wichtig, bitte nicht löschen
 ---
 
 ## Blast from the Past
diff --git a/makefu/2configs/bureautomation/default.nix b/makefu/2configs/bureautomation/default.nix
index aa13b62b7..669754caf 100644
--- a/makefu/2configs/bureautomation/default.nix
+++ b/makefu/2configs/bureautomation/default.nix
@@ -59,7 +59,7 @@ in {
       extraPackages = p: [ 
         # TODO: put somewhere else
         (p.callPackage <stockholm/makefu/2configs/home/ham/deps/dwdwfsapi.nix> {})
-        (p.callPackage <stockholm/makefu/2configs/home/ham/deps/pykodi.nix> {})
+        # (p.callPackage <stockholm/makefu/2configs/home/ham/deps/pykodi.nix> {})
         p.APScheduler ];
     };
     autoExtraComponents = true;
@@ -147,7 +147,7 @@ in {
       frontend = { };
       http = {
         # TODO: https://github.com/home-assistant/home-assistant/issues/16149
-        base_url = "http://192.168.8.11:8123";
+        # base_url = "http://192.168.8.11:8123";
       };
       conversation = {};
       history = {};
diff --git a/makefu/2configs/home/ham/automation/fenster_auf.nix b/makefu/2configs/home/ham/automation/fenster_auf.nix
index ccebd5b00..871f248b9 100644
--- a/makefu/2configs/home/ham/automation/fenster_auf.nix
+++ b/makefu/2configs/home/ham/automation/fenster_auf.nix
@@ -1,3 +1,8 @@
+{ lib, ... }:
+#uses:
+# notify.signal
+# binary_sensor.badezimmer_fenster_contact
+# binary_sensor.dusche_fenster_contact
 let
   min = 20;
   fenster_offen = name: entity:
@@ -13,21 +18,57 @@ let
       action =
       [
         {
-          service = "notify.firetv_wohnzimmer";
+          service = "notify.signal_home";
           data = {
-            title = "${name} seit ${toString min} Minuten offen";
-            message = "Bitte einmal checken ob das ok ist :)";
-            data = {
-              interrupt = 1;
-              duration = 300;
-            };
+            message= "${name} seit ${toString min} Minuten offen\nBitte einmal checken ob das ok ist :)";
           };
         }
+        {
+          service = "input_boolean.turn_on";
+          target.entity_id = "input_boolean.${lib.toLower name}_lang_offen";
+        }
+      ];
+    };
+  fenster_geschlossen_lang = name: entity:
+    { alias = "${name} wieder geschlossen";
+      trigger = [
+          {
+            platform = "state";
+            entity_id = entity;
+            to = "off";
+          }
+        ];
+      condition = [
+        { condition = "state";
+          entity_id = "input_boolean.${lib.toLower name}_lang_offen";
+          state = "on";
+        }
+      ];
+      action =
+      [
+        {
+          service = "notify.signal_home";
+          data = {
+            message= "${name} ist wieder geschlossen, Danke!";
+          };
+        }
+        {
+          service = "input_boolean.turn_off";
+          target.entity_id = "input_boolean.${lib.toLower name}_lang_offen";
+        }
       ];
     };
 in {
-  services.home-assistant.config.automation = [
-    (fenster_offen "Badezimmerfenster" "binary_sensor.badezimmer_fenster_contact")
-    (fenster_offen "Duschfenster" "binary_sensor.dusche_fenster_contact")
-  ];
+  services.home-assistant.config = {
+    input_boolean = {
+      badezimmerfinester_lang_offen.name = "Badezimmer lange offen";
+      duschfenster_lang_offen.name = "Duschfenster lange offen";
+    };
+    automation = [
+      (fenster_geschlossen_lang "Badezimmerfenster" "binary_sensor.badezimmer_fenster_contact")
+      (fenster_geschlossen_lang "Duschfenster" "binary_sensor.badezimmer_fenster_contact")
+      (fenster_offen "Badezimmerfenster" "binary_sensor.badezimmer_fenster_contact")
+      (fenster_offen "Duschfenster" "binary_sensor.dusche_fenster_contact")
+    ];
+  };
 }
diff --git a/makefu/2configs/home/ham/automation/giesskanne.nix b/makefu/2configs/home/ham/automation/giesskanne.nix
index 4b0fb61dd..b11fd9d52 100644
--- a/makefu/2configs/home/ham/automation/giesskanne.nix
+++ b/makefu/2configs/home/ham/automation/giesskanne.nix
@@ -5,9 +5,9 @@ let
     name = "chilicam";
     camera = "camera.espcam_02";
     light = "light.espcam_02_light";
-    seconds = 60; # default shutoff to protect the LED from burning out
+    seconds = 90; # default shutoff to protect the LED from burning out
   };
-  seconds = 60;
+  seconds = 70; # time for giesskanne
   pump = "switch.arbeitszimmer_giesskanne_relay";
   # sensor = "sensor.statistics_for_sensor_crafting_brotbox_soil_moisture";
 in
diff --git a/makefu/2configs/home/ham/automation/lichter_dimmen.nix b/makefu/2configs/home/ham/automation/lichter_dimmen.nix
new file mode 100644
index 000000000..4303cdfa5
--- /dev/null
+++ b/makefu/2configs/home/ham/automation/lichter_dimmen.nix
@@ -0,0 +1,135 @@
+# This module maps the RF433 Remote Control to zigbee and wifi lights
+let
+  rf_turn_off = code: light:
+  {
+    alias = "Turn off ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      service = "light.turn_off";
+      data.entity_id = light;
+    };
+  };
+  rf_turn_on = code: light:
+  {
+    alias = "Turn on ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      service = "light.turn_on";
+      data.entity_id = light;
+    };
+  };
+  rf_state = code: light: halfbright:
+  let
+    maxbright = 255;
+    transition = 0.2; # seconds
+  in
+  # this function implements a simple state machine based on the state and brightness of the light (light must support brightness
+  {
+    alias = "Cycle through states of ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      choose = [
+        {
+          # state 0: off to half
+          conditions = {
+            condition = "template";
+            value_template = ''{{ states("${light}")  == "off" }}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_on";
+              data = {
+                entity_id = light;
+                brightness = halfbright;
+              };
+            }
+          ];
+        }
+        {
+          # state 1: half to full
+          conditions = {
+            condition = "template";
+            value_template = ''{{ states('${light}')  == 'on' and ( ${toString (halfbright - 1)} <= state_attr("${light}","brightness") <= ${toString (halfbright + 1)})}}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_on";
+              data = {
+                entity_id = light;
+                brightness = maxbright;
+              };
+            }
+          ];
+        }
+        {
+          # state 2: full to off
+          conditions =  {
+            condition = "template";
+            # TODO: it seems like the devices respond with brightness-1 , maybe off-by-one somewhere?
+            value_template = ''{{ states("${light}")  == "on" and state_attr("${light}","brightness") >= ${toString (maxbright - 1)}}}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_off";
+              data = {
+                entity_id = light;
+              };
+            }
+          ];
+        }
+      ];
+      # default: on to off
+      # this works because state 0 checks for "state == off"
+      default = [{
+        service = "light.turn_off";
+        data = {
+          entity_id = light;
+        };
+      }];
+    };
+  }
+;
+  rf_toggle = code: light:
+  {
+    alias = "Toggle ${light} via rf code ${code}";
+    trigger = {
+      platform = "event";
+      event_type = "esphome.rf_code_received";
+      event_data.code = code;
+    };
+    action = {
+      service = "light.toggle";
+      data.entity_id = light;
+    };
+  };
+in
+{
+  services.home-assistant.config.automation = [
+      (rf_toggle "400551" "light.wohnzimmer_fernseher_led_strip")        # A
+      (rf_state "401151" "light.wohnzimmer_stehlampe_osram" 128)            # B
+      (rf_state "401451" "light.wohnzimmer_komode_osram" 128)               # C
+      (rf_state "401511" "light.wohnzimmer_schrank_osram" 128)              # D
+
+                                                                        # OFF Lane
+      (rf_turn_off "400554" "all")                                       # A
+      (rf_toggle "401154" "light.wohnzimmer_fenster_lichterkette_licht") # B
+      (rf_toggle "401454" "light.wohnzimmer_fernsehwand_led")            # C
+      # (rf_toggle "401514" "")   # D
+  ];
+    # "400554" # A OFF
+    # "401154" # B OFF
+    # "401454" # C OFF
+    # "401514" # D OFF
+}
diff --git a/makefu/2configs/home/ham/automation/light_buttons.nix b/makefu/2configs/home/ham/automation/light_buttons.nix
index 32d134ecc..89caf1a41 100644
--- a/makefu/2configs/home/ham/automation/light_buttons.nix
+++ b/makefu/2configs/home/ham/automation/light_buttons.nix
@@ -1,22 +1,77 @@
-# light.wohnzimmerbeleuchtung
-# light.wohnzimmer_deko
-# light.arbeitszimmerbeleuchtung
-# light.arbeitszimmer_deko
-# light.schlafzimmerbeleuchtung
 
 let
-  toggle = light: btn:
+  btn_state = light: btn: halfbright:
+  let
+    maxbright = 255;
+    transition = 0.2; # seconds
+  in
+  # this function implements a simple state machine based on the state and brightness of the light (light must support brightness
   {
-    alias = "Toggle Light ${light} via ${btn}";
+    alias = "Cycle through states of ${light} via button ${btn}";
     trigger = {
       platform = "state";
       entity_id = "sensor.${btn}_click";
       to = "single";
     };
     action = {
-      service = "light.toggle";
-      data.entity_id = light;
-      data.transition = 0;
+      choose = [
+        {
+          # state 0: off to half
+          conditions = {
+            condition = "template";
+            value_template = ''{{ states("${light}")  == "off" }}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_on";
+              data = {
+                entity_id = light;
+                brightness = halfbright;
+              };
+            }
+          ];
+        }
+        {
+          # state 1: half to full
+          conditions = {
+            condition = "template";
+            value_template = ''{{ states('${light}')  == 'on' and ( ${toString (halfbright - 1)} <= state_attr("${light}","brightness") <= ${toString (halfbright + 1)})}}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_on";
+              data = {
+                entity_id = light;
+                brightness = maxbright;
+              };
+            }
+          ];
+        }
+        {
+          # state 2: full to off
+          conditions =  {
+            condition = "template";
+            # TODO: it seems like the devices respond with brightness-1 , maybe off-by-one somewhere?
+            value_template = ''{{ states("${light}")  == "on" and state_attr("${light}","brightness") >= ${toString (maxbright - 1)}}}'';
+          };
+          sequence = [
+            {
+              service = "light.turn_off";
+              data = {
+                entity_id = light;
+              };
+            }
+          ];
+        }
+      ];
+      # default: on to off
+      # this works because state 0 checks for "state == off"
+      default = [{
+        service = "light.turn_off";
+        data = {
+          en