Merge remote-tracking branch 'prism/master' into master

32 files changed, 314 insertions, 239 deletions

diff --git a/krebs/0tests/data/secrets/initrd/host_ecdsa.pub b/krebs/0tests/data/secrets/initrd/host_ecdsa.pub
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/krebs/0tests/data/secrets/initrd/host_ecdsa.pub
diff --git a/krebs/0tests/data/secrets/initrd/host_ecdsa_key b/krebs/0tests/data/secrets/initrd/host_ecdsa_key
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/krebs/0tests/data/secrets/initrd/host_ecdsa_key
diff --git a/krebs/0tests/data/secrets/initrd/hostname b/krebs/0tests/data/secrets/initrd/hostname
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/krebs/0tests/data/secrets/initrd/hostname
diff --git a/krebs/0tests/data/secrets/initrd/hs_ed25519_public_key b/krebs/0tests/data/secrets/initrd/hs_ed25519_public_key
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/krebs/0tests/data/secrets/initrd/hs_ed25519_public_key
diff --git a/krebs/0tests/data/secrets/initrd/hs_ed25519_secret_key b/krebs/0tests/data/secrets/initrd/hs_ed25519_secret_key
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/krebs/0tests/data/secrets/initrd/hs_ed25519_secret_key
diff --git a/krebs/0tests/data/secrets/initrd/openssh_host_ecdsa_key b/krebs/0tests/data/secrets/initrd/openssh_host_ecdsa_key
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/krebs/0tests/data/secrets/initrd/openssh_host_ecdsa_key
diff --git a/krebs/1systems/filebitch/hardware-configuration.nix b/krebs/1systems/filebitch/hardware-configuration.nix
index 574618e39..1e7fa7872 100644
--- a/krebs/1systems/filebitch/hardware-configuration.nix
+++ b/krebs/1systems/filebitch/hardware-configuration.nix
@@ -1,7 +1,7 @@
 { config, lib, pkgs, ... }:
 let
   byid = dev: "/dev/disk/by-id/" + dev;
-  keyFile = byid "usb-SMI_USB_DISK_AA08061700009650-0:0"; 
+  keyFile = byid "usb-SMI_USB_DISK_AA08061700009650-0:0";
 in
 {
   imports =
@@ -19,7 +19,7 @@ in
   boot.tmpOnTmpfs = true;
 
 
-  boot.initrd.availableKernelModules = [ 
+  boot.initrd.availableKernelModules = [
     "xhci_pci" "ahci" "ohci_pci" "ehci_pci" "usb_storage" "usbhid" "sd_mod"
     "raid456"
     "usbhid"
@@ -77,20 +77,18 @@ in
 
   networking.hostId = "54d97450"; # required for zfs use
   boot.initrd.luks.devices = let
-        usbkey = name: device: {
-          inherit name device keyFile;
+        usbkey = device: {
+          inherit device keyFile;
           keyFileSize = 2048;
           preLVM = true;
         };
-  in [
-    ((usbkey "swap" (byid "ata-INTEL_SSDSA2M080G2GC_CVPO013300WD080BGN-part2"))
-    // { allowDiscards = true; } )
-    ((usbkey "root" (byid "ata-INTEL_SSDSA2M080G2GC_CVPO013300WD080BGN-part3"))
-    // { allowDiscards = true; } )
-    (usbkey "125" "/dev/md125")
-    (usbkey "126" "/dev/md126")
-    (usbkey "127" "/dev/md127")
-  ];
-
-
+  in {
+    swap = ((usbkey (byid "ata-INTEL_SSDSA2M080G2GC_CVPO013300WD080BGN-part2"))
+      // { allowDiscards = true; } );
+    root = ((usbkey (byid "ata-INTEL_SSDSA2M080G2GC_CVPO013300WD080BGN-part3"))
+      // { allowDiscards = true; } );
+    md125 = usbkey "/dev/md125";
+    md126 = usbkey "/dev/md126";
+    md127 = usbkey "/dev/md127";
+  };
 }
diff --git a/krebs/1systems/hotdog/config.nix b/krebs/1systems/hotdog/config.nix
index bb84b1873..c0fa38284 100644
--- a/krebs/1systems/hotdog/config.nix
+++ b/krebs/1systems/hotdog/config.nix
@@ -12,7 +12,6 @@
     <stockholm/krebs/2configs/buildbot-stockholm.nix>
     <stockholm/krebs/2configs/binary-cache/nixos.nix>
     <stockholm/krebs/2configs/ircd.nix>
-    <stockholm/krebs/2configs/nscd-fix.nix>
     <stockholm/krebs/2configs/reaktor2.nix>
     <stockholm/krebs/2configs/wiki.nix>
   ];
diff --git a/krebs/1systems/puyak/config.nix b/krebs/1systems/puyak/config.nix
index 08a3392bd..9ee61c6f8 100644
--- a/krebs/1systems/puyak/config.nix
+++ b/krebs/1systems/puyak/config.nix
@@ -7,19 +7,109 @@
     <stockholm/krebs/2configs/secret-passwords.nix>
     <stockholm/krebs/2configs/hw/x220.nix>
 
+
+    ## initrd unlocking
+    # (brain hosts/puyak/luks-ssd;echo)  | ssh root@$(brain krebs-secrets/puyak/initrd/hostname) 'cat > /crypt-ramfs/passphrase'
+    <stockholm/krebs/2configs/tor/initrd.nix>
+
     <stockholm/krebs/2configs/binary-cache/nixos.nix>
     <stockholm/krebs/2configs/binary-cache/prism.nix>
+
+    ### Krebs ###
     <stockholm/krebs/2configs/go.nix>
+
+    #### NEWS ####
     <stockholm/krebs/2configs/ircd.nix>
-    <stockholm/krebs/2configs/news.nix>
-    <stockholm/krebs/2configs/news-spam.nix>
+    #<stockholm/krebs/2configs/news.nix>
+    #<stockholm/krebs/2configs/news-spam.nix>
+
+
+    ### shackspace ###
+    # handle the worlddomination map via coap
+    <stockholm/krebs/2configs/shack/worlddomination.nix>
     <stockholm/krebs/2configs/shack/ssh-keys.nix>
+
+    # drivedroid.shack for shackphone
+    <stockholm/krebs/2configs/shack/drivedroid.nix>
+    # <stockholm/krebs/2configs/shack/nix-cacher.nix>
+
+    # Say if muell will be collected
+    <stockholm/krebs/2configs/shack/muell_caller.nix>
+    # provide muellshack api: muell.shack
+    <stockholm/krebs/2configs/shack/muellshack.nix>
+    # send mail if muell was not handled
+    <stockholm/krebs/2configs/shack/muell_mail.nix>
+
+    # provide light control api
+    <stockholm/krebs/2configs/shack/node-light.nix> # light.shack lounge.light.shack power.light.shack openhab.shack lightapi.shack
+    # light.shack web-ui
+    <stockholm/krebs/2configs/shack/light.shack.nix> #light.shack
+
+    # powerraw usb serial to mqtt and raw socket
+    <stockholm/krebs/2configs/shack/powerraw.nix> # powerraw.shack standby.shack
+    # send power stats to s3
+    <stockholm/krebs/2configs/shack/s3-power.nix> # powerraw.shack must be available
+
+
+    { # do not log to /var/spool/log
+      services.nginx.appendHttpConfig = ''
+          map $request_method $loggable {
+            default 1;
+            GET 0;
+          }
+          log_format vhost '$host $remote_addr - $remote_user '
+                     '[$time_local] "$request" $status '
+                     '$body_bytes_sent "$http_referer" '
+                     '"$http_user_agent"';
+          error_log stderr;
+          access_log syslog:server=unix:/dev/log vhost;
+      '';
+      services.journald.rateLimitBurst = 10000;
+    }
+
+    # create samba share for anonymous usage with the laser and 3d printer pc
+    <stockholm/krebs/2configs/shack/share.nix>
+
+    # mobile.lounge.mpd.shack
+    <stockholm/krebs/2configs/shack/mobile.mpd.nix>
+
+    # hass.shack
+    <stockholm/krebs/2configs/shack/glados>
+
+    # connect to git.shackspace.de as group runner for rz
+    <stockholm/krebs/2configs/shack/gitlab-runner.nix>
+
+    # Statistics collection and visualization
+    # <stockholm/krebs/2configs/shack/graphite.nix> # graphiteApi is broken and unused(hopefully)
+    ## Collect data from mqtt.shack and store in graphite database
+    <stockholm/krebs/2configs/shack/mqtt_sub.nix>
+    ## Collect radioactive data and put into graphite
+    <stockholm/krebs/2configs/shack/radioactive.nix>
+    ## mqtt.shack
+    <stockholm/krebs/2configs/shack/mqtt.nix>
+    ## influx.shack
+    <stockholm/krebs/2configs/shack/influx.nix>
+
+    ## Collect local statistics via collectd and send to collectd
+    <stockholm/krebs/2configs/stats/shack-client.nix>
+    <stockholm/krebs/2configs/stats/shack-debugging.nix>
+
+    ## netbox.shack: Netbox is disabled as nobody seems to be using it anyway
+    # <stockholm/krebs/2configs/shack/netbox.nix>
+
+    # grafana.shack
+    <stockholm/krebs/2configs/shack/grafana.nix>
+
+    # shackdns.shack
+    # replacement for leases.shack and shackles.shack
+    <stockholm/krebs/2configs/shack/shackDNS.nix>
+
+    # monitoring: prometheus.shack
     <stockholm/krebs/2configs/shack/prometheus/node.nix>
     <stockholm/krebs/2configs/shack/prometheus/server.nix>
     <stockholm/krebs/2configs/shack/prometheus/blackbox.nix>
     <stockholm/krebs/2configs/shack/prometheus/unifi.nix>
     <stockholm/krebs/2configs/shack/prometheus/alertmanager-telegram.nix>
-    <stockholm/krebs/2configs/shack/gitlab-runner.nix>
 
     ## Collect local statistics via collectd and send to collectd
     <stockholm/krebs/2configs/stats/shack-client.nix>
diff --git a/krebs/1systems/wolf/config.nix b/krebs/1systems/wolf/config.nix
index 0160f9ebb..25e7c5f06 100644
--- a/krebs/1systems/wolf/config.nix
+++ b/krebs/1systems/wolf/config.nix
@@ -14,85 +14,15 @@ in
     <stockholm/krebs/2configs/binary-cache/nixos.nix>
     <stockholm/krebs/2configs/binary-cache/prism.nix>
 
-    # handle the worlddomination map via coap
-    <stockholm/krebs/2configs/shack/worlddomination.nix>
-    <stockholm/krebs/2configs/shack/ssh-keys.nix>
+    #### shackspace services
+    <stockholm/krebs/2configs/shack/share.nix> # wolf.shack
 
-    # drivedroid.shack for shackphone
-    <stockholm/krebs/2configs/shack/drivedroid.nix>
-    # <stockholm/krebs/2configs/shack/nix-cacher.nix>
-    # Say if muell will be collected
-    <stockholm/krebs/2configs/shack/muell_caller.nix>
-    # provide muellshack api
-    <stockholm/krebs/2configs/shack/muellshack.nix>
-    # provide light control api
-    <stockholm/krebs/2configs/shack/node-light.nix>
-    # light.shack web-ui
-    <stockholm/krebs/2configs/shack/light.shack.nix>
-    # send mail if muell was not handled
-    <stockholm/krebs/2configs/shack/muell_mail.nix>
-    # send mail if muell was not handled
-    <stockholm/krebs/2configs/shack/s3-power.nix>
-    # powerraw usb serial to mqtt and raw socket
-    <stockholm/krebs/2configs/shack/powerraw.nix>
-
-    { # do not log to /var/spool/log
-      services.nginx.appendHttpConfig = ''
-          map $request_method $loggable {
-            default 1;
-            GET 0;
-          }
-          log_format vhost '$host $remote_addr - $remote_user '
-                     '[$time_local] "$request" $status '
-                     '$body_bytes_sent "$http_referer" '
-                     '"$http_user_agent"';
-          error_log stderr;
-          access_log syslog:server=unix:/dev/log vhost;
-      '';
-      services.journald.rateLimitBurst = 10000;
-    }
-
-    # create samba share for anonymous usage with the laser and 3d printer pc
-    <stockholm/krebs/2configs/shack/share.nix>
-
-    # mobile.lounge.mpd.shack
-    <stockholm/krebs/2configs/shack/mobile.mpd.nix>
-
-    # hass.shack
-    <stockholm/krebs/2configs/shack/glados>
-
-    # connect to git.shackspace.de as group runner for rz
+    # gitlab runner
     <stockholm/krebs/2configs/shack/gitlab-runner.nix>
-
-    # Statistics collection and visualization
-    # <stockholm/krebs/2configs/shack/graphite.nix> # graphiteApi is broken and unused(hopefully)
-    ## Collect data from mqtt.shack and store in graphite database
-    <stockholm/krebs/2configs/shack/mqtt_sub.nix>
-    ## Collect radioactive data and put into graphite
-    <stockholm/krebs/2configs/shack/radioactive.nix>
-    ## mqtt.shack
-    <stockholm/krebs/2configs/shack/mqtt.nix>
-    ## influx.shack
-    <stockholm/krebs/2configs/shack/influx.nix>
-
-    ## Collect local statistics via collectd and send to collectd
-    <stockholm/krebs/2configs/stats/shack-client.nix>
-    <stockholm/krebs/2configs/stats/shack-debugging.nix>
-
-    <stockholm/krebs/2configs/shack/netbox.nix>
-    # prometheus.shack
-    #<stockholm/krebs/2configs/shack/prometheus/server.nix>
-    <stockholm/krebs/2configs/shack/prometheus/node.nix>
-    #<stockholm/krebs/2configs/shack/prometheus/unifi.nix>
-    # grafana.shack
-    <stockholm/krebs/2configs/shack/grafana.nix>
-
-    # shackdns.shack
-    # replacement for leases.shack and shackles.shack
-    <stockholm/krebs/2configs/shack/shackDNS.nix>
-
     # misc
+    <stockholm/krebs/2configs/shack/ssh-keys.nix>
     <stockholm/krebs/2configs/save-diskspace.nix>
+    <stockholm/krebs/2configs/shack/prometheus/node.nix>
 
   ];
   # use your own binary cache, fallback use cache.nixos.org (which is used by
diff --git a/krebs/2configs/default.nix b/krebs/2configs/default.nix
index 3442272ec..f56f6045a 100644
--- a/krebs/2configs/default.nix
+++ b/krebs/2configs/default.nix
@@ -43,7 +43,6 @@ with import <stockholm/lib>;
     ];
   };
   services.cron.enable = false;
-  services.nscd.enable = false;
   services.ntp.enable = false;
 
   users.mutableUsers = false;
diff --git a/krebs/2configs/gitlab-runner-shackspace.nix b/krebs/2configs/gitlab-runner-shackspace.nix
deleted file mode 100644
index f4247b6da..000000000
--- a/krebs/2configs/gitlab-runner-shackspace.nix
+++ /dev/null
@@ -1,33 +0,0 @@
-{ config, pkgs, ... }:
-let
-  url = "https://git.shackspace.de/";
-  # generate token from CI-token via:
-  ## gitlab-runner register
-  ## cat /etc/gitlab-runner/config.toml
-  token = import <secrets/shackspace-gitlab-ci-token.nix> ;
-in {
-  systemd.services.gitlab-runner.path = [
-    "/run/wrappers" # /run/wrappers/bin/su
-    "/" # /bin/sh
-  ];
-  systemd.services.gitlab-runner.serviceConfig.PrivateTmp = true;
-  virtualisation.docker.enable = true;
-  services.gitlab-runner = {
-    enable = true;
-    # configFile, configOptions and gracefulTimeout not yet in stable
-    # gracefulTimeout = "120min";
-    configFile = pkgs.writeText "gitlab-runner.cfg" ''
-      concurrent = 1
-      check_interval = 0
-
-      [[runners]]
-        name = "krebs-shell"
-        url = "${url}"
-        token = "${token}"
-        executor = "shell"
-        shell = "sh"
-        environment = ["PATH=/bin:/run/wrappers/bin:/etc/per-user/gitlab-runner/bin:/etc/per-user-pkgs/gitlab-runner/bin:/nix/var/nix/profiles/default/bin:/run/current-system/sw/bin"]
-        [runners.cache]
-    '';
-  };
-}
diff --git a/krebs/2configs/nscd-fix.nix b/krebs/2configs/nscd-fix.nix
deleted file mode 100644
index 8e5909e72..000000000
--- a/krebs/2configs/nscd-fix.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-with import <stockholm/lib>;
-{ pkgs, ... }: let
-
-  enable = versionOlderThan "19.03";
-
-  versionOlderThan = v:
-    compareVersions
-      (versions.majorMinor version)
-      (versions.majorMinor v)
-      == -1;
-
-  warning = ''
-    Using custom services.nscd.config because
-    https://github.com/NixOS/nixpkgs/pull/50316
-  '';
-
-in
-  optionalAttrs enable (trace warning {
-    services.nscd.enable = mkForce true;
-    services.nscd.config = mkForce (readFile (pkgs.fetchurl {
-      url = https://raw.githubusercontent.com/arianvp/nixpkgs/1d5f4cb/nixos/modules/services/system/nscd.conf;
-      sha256 = "1jlddk38lyynjn51zx3xi1nc29ahajyh0qg48qbq6dqlsrn3wxqs";
-    }));
-  })
diff --git a/krebs/2configs/reaktor2.nix b/krebs/2configs/reaktor2.nix
index b80198b03..473028f95 100644
--- a/krebs/2configs/reaktor2.nix
+++ b/krebs/2configs/reaktor2.nix
@@ -95,7 +95,7 @@ let
         }
         hooks.sed
         (generators.command_hook {
-          inherit (commands) hello random-emoji nixos-version stockholm-issue;
+          inherit (commands) hello random-emoji nixos-version;
           tell = {
             filename =
               "${pkgs.Reaktor.src}/reaktor/commands/tell-on_privmsg";
diff --git a/krebs/2configs/shack/gitlab-runner.nix b/krebs/2configs/shack/gitlab-runner.nix
index bd391851a..ecb064579 100644
--- a/krebs/2configs/shack/gitlab-runner.nix
+++ b/krebs/2configs/shack/gitlab-runner.nix
@@ -1,24 +1,48 @@
-{ pkgs, ... }:
-let
-  runner-src = builtins.fetchTarball {
-    url = "https://gitlab.com/arianvp/nixos-gitlab-runner/-/archive/master/nixos-gitlab-runner-master.tar.gz";
-    sha256 = "1s0fy5ny2ygcfvx35xws8xz5ih4z4kdfqlq3r6byxpylw7r52fyi";
-  };
-in
+{ pkgs,lib, ... }:
 {
-  imports = [
-    "${runner-src}/gitlab-runner.nix"
-  ];
-  services.gitlab-runner2 = {
+  services.gitlab-runner = {
     enable = true;
-    ## registrationConfigurationFile contains:
-    # CI_SERVER_URL=<CI server URL>
-    # REGISTRATION_TOKEN=<registration secret>
-    # RUNNER_TAG_LIST=nix,shacklan
-    # RUNNER_NAME=stockholm-runner-$name
-    registrationConfigFile = <secrets/shackspace-gitlab-ci>;
-    #gracefulTermination = true;
+    services= {
+      # runner for building in docker via host's nix-daemon
+      # nix store will be readable in runner, might be insecure
+      nix = with lib;{
+        # File should contain at least these two variables:
+        # `CI_SERVER_URL`
+        # `REGISTRATION_TOKEN`
+        registrationConfigFile = toString <secrets/shackspace-gitlab-ci>;
+        dockerImage = "alpine";
+        dockerVolumes = [
+          "/nix/store:/nix/store:ro"
+          "/nix/var/nix/db:/nix/var/nix/db:ro"
+          "/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
+        ];
+        dockerDisableCache = true;
+        preBuildScript = pkgs.writeScript "setup-container" ''
+          mkdir -p -m 0755 /nix/var/log/nix/drvs
+          mkdir -p -m 0755 /nix/var/nix/gcroots
+          mkdir -p -m 0755 /nix/var/nix/profiles
+          mkdir -p -m 0755 /nix/var/nix/temproots
+          mkdir -p -m 0755 /nix/var/nix/userpool
+          mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
+          mkdir -p -m 1777 /nix/var/nix/profiles/per-user
+          mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
+          mkdir -p -m 0700 "$HOME/.nix-defexpr"
+          . ${pkgs.nix}/etc/profile.d/nix.sh
+          ${pkgs.nix}/bin/nix-env -i ${concatStringsSep " " (with pkgs; [ nix cacert git openssh ])}
+          ${pkgs.nix}/bin/nix-channel --add https://nixos.org/channels/nixpkgs-unstable
+          ${pkgs.nix}/bin/nix-channel --update nixpkgs
+        '';
+        environmentVariables = {
+          ENV = "/etc/profile";
+          USER = "root";
+          NIX_REMOTE = "daemon";
+          PATH = "/nix/var/nix/profiles/default/bin:/nix/var/nix/profiles/default/sbin:/bin:/sbin:/usr/bin:/usr/sbin";
+          NIX_SSL_CERT_FILE = "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt";
+        };
+        tagList = [ "nix" "shacklan" ];
+      };
+    };
   };
-  systemd.services.gitlab-runner2.restartIfChanged = false;
+  systemd.services.gitlab-runner.restartIfChanged = false;
   systemd.services.docker.restartIfChanged = false;
 }
diff --git a/krebs/2configs/shack/glados/default.nix b/krebs/2configs/shack/glados/default.nix
index f47bca2db..04843cb24 100644
--- a/krebs/2configs/shack/glados/default.nix
+++ b/krebs/2configs/shack/glados/default.nix
@@ -21,23 +21,10 @@ in {
         '';
     };
   };
-  services.home-assistant = let
-      dwd_pollen = pkgs.fetchFromGitHub {
-        owner = "marcschumacher";
-        repo = "dwd_pollen";
-        rev = "0.1";
-        sha256 = "1af2mx99gv2hk1ad53g21fwkdfdbymqcdl3jvzd1yg7dgxlkhbj1";
-      };
-    in {
+  services.home-assistant =
+    {
     enable = true;
-    package = (pkgs.home-assistant.overrideAttrs (old: { # TODO: find correct python package
-      installCheckPhase = ''
-        echo LOLLLLLLLLLLLLLL
-      '';
-      postInstall = ''
-        cp -r ${dwd_pollen} $out/lib/python3.7/site-packages/homeassistant/components/dwd_pollen
-      '';
-    })).override {
+    package = pkgs.home-assistant.override {
       extraPackages = ps: with ps; [
         python-forecastio jsonrpc-async jsonrpc-websocket mpd2 pkgs.picotts
       ];
diff --git a/krebs/2configs/shack/glados/deps/dwd_pollen.nix b/krebs/2configs/shack/glados/deps/dwd_pollen.nix
deleted file mode 100644
index 39d9c3069..000000000
--- a/krebs/2configs/shack/glados/deps/dwd_pollen.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{ lib
-, buildPythonPackage
-, fetchFromGitHub
-, python
-, voluptuous
-}:
-
-buildPythonPackage rec {
-  format = "other";
-  pname = "dwd_pollen";
-  version = "0.1";
-
-  src = fetchFromGitHub {
-    owner = "marcschumacher";
-    repo = "dwd_pollen";
-    rev = version;
-    sha256 = "1af2mx99gv2hk1ad53g21fwkdfdbymqcdl3jvzd1yg7dgxlkhbj1";
-  };
-  propagatedBuildInputs = [
-    voluptuous
-  ];
-  installPhase = ''
-     install -D -t $out/${python.sitePackages}/homeassistant/components/sensor/dwd_pollen *
-  '';
-
-  meta = with lib; {
-    description = "Home Assistant component to retrieve Pollen data from DWD (Germany)";
-    homepage = https://github.com/marcschumacher/dwd_pollen;
-    license = licenses.mit;
-    maintainers = [ maintainers.makefu ];
-  };
-}
diff --git a/krebs/2configs/shack/mqtt_sub.nix b/krebs/2configs/shack/mqtt_sub.nix
index bd0b6df85..af2bc1e66 100644
--- a/krebs/2configs/shack/mqtt_sub.nix
+++ b/krebs/2configs/shack/mqtt_sub.nix
@@ -10,7 +10,7 @@ let
       sha256 = "1334jbbzlqizyp7zcn4hdswhhrnkj1p4p435n5nph82lzffrsi44";
     };
     buildInputs = [
-      (pkgs.python35.withPackages (pythonPackages: with pythonPackages; [
+      (pkgs.python3.withPackages (pythonPackages: with pythonPackages; [
         docopt
         paho-mqtt
       ]))
diff --git a/krebs/2configs/shack/share.nix b/krebs/2configs/shack/share.nix
index 465d6ef69..d8d65d309 100644
--- a/krebs/2configs/shack/share.nix
+++ b/krebs/2configs/shack/share.nix
@@ -37,6 +37,9 @@
       # for legacy systems
       client min protocol = NT1
       server min protocol = NT1
+      workgroup = WORKGROUP
+      server string = ${config.networking.hostName}
+      netbios name = ${config.networking.hostName}
     '';
   };
 }
diff --git a/krebs/2configs/tor/initrd.nix b/krebs/2configs/tor/initrd.nix
new file mode 100644
index 000000000..98ed039b4
--- /dev/null
+++ b/krebs/2configs/tor/initrd.nix
@@ -0,0 +1,50 @@
+{config, pkgs, ... }:
+## unlock command:
+# (brain hosts/puyak/luks-ssd;echo)  | ssh root@$(brain krebs-secrets/puyak/initrd/hostname) 'cat > /crypt-ramfs/passphrase'
+{
+  boot.initrd.network.enable = true;
+  boot.initrd.network.ssh = {
+    enable = true;
+    port = 22;
+    authorizedKeys = [
+      config.krebs.users.jeschli-brauerei.pubkey
+      config.krebs.users.lass.pubkey
+      config.krebs.users.lass-mors.pubkey
+      config.krebs.users.makefu.pubkey
+      config.krebs.users.tv.pubkey
+    ];
+    hostKeys = [ <secrets/initrd/openssh_host_ecdsa_key> ];
+  };
+  boot.initrd.availableKernelModules = [ "e1000e" ];
+
+  boot.initrd.secrets = {
+    "/etc/tor/onion/bootup" = <secrets/initrd>;
+  };
+
+  boot.initrd.extraUtilsCommands = ''
+    copy_bin_and_libs ${pkgs.tor}/bin/tor
+  '';
+
+  # start tor during boot process
+  boot.initrd.network.postCommands = let
+    torRc = (pkgs.writeText "tor.rc" ''
+      DataDirectory /etc/tor
+      SOCKSPort 127.0.0.1:9050 IsolateDestAddr
+      SOCKSPort 127.0.0.1:9063
+      HiddenServiceDir /etc/tor/onion/bootup
+      HiddenServicePort 22 127.0.0.1:22
+    '');
+  in ''
+    echo "tor: preparing onion folder"
+    # have to do this otherwise tor does not want to start
+    chmod -R 700 /etc/tor
+
+    echo "make sure localhost is up"
+    ip a a 127.0.0.1/8 dev lo
+    ip link set lo up
+
+    echo "tor: starting tor"
+    tor -f ${torRc} --verify-config
+    tor -f ${torRc} &
+  '';
+}
diff --git a/krebs/3modules/external/default.nix b/krebs/3modules/external/default.nix
index d14526703..277169e11 100644
--- a/krebs/3modules/external/default.nix
+++ b/krebs/3modules/external/default.nix
@@ -608,6 +608,10 @@ in {
       mail = "joerg@thalheim.io";
       pubkey = ssh-for "mic92";
     };
+    shannan = {
+      mail = "shannan@lekwati.com";
+      pubkey = ssh-for "shannan";
+    };
     qubasa = {
       mail = "luis.nixos@gmail.com";
       pubkey = ssh-for "qubasa";
diff --git a/krebs/3modules/external/mic92.nix b/krebs/3modules/external/mic92.nix
index 39d738337..29d0b27fa 100644
--- a/krebs/3modules/external/mic92.nix
+++ b/krebs/3modules/external/mic92.nix
@@ -347,7 +347,10 @@ in {
       nets = {
         retiolum = {
           ip4.addr = "10.243.29.171";
-          aliases = [ "rock.r" ];
+          aliases = [
+            "rock.r"
+            "loki.r"
+          ];
           tinc.pubkey = ''
             -----BEGIN PUBLIC KEY-----
             MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0uhNk3XXVxQcIVhD1Ime
@@ -465,6 +468,7 @@ in {
           aliases = [
             "eva.r"
             "prometheus.r"
+            "alertmanager.r"
           ];
           tinc.pubkey = ''
             -----BEGIN PUBLIC KEY-----
@@ -508,5 +512,33 @@ in {
         };
       };
     };
+    bernie = {
+      owner = config.krebs.users.mic92;
+      nets = rec {
+        retiolum = {
+          addrs = [
+            config.krebs.hosts.bernie.nets.retiolum.ip4.addr
+            config.krebs.hosts.bernie.nets.retiolum.ip6.addr
+          ];
+          ip4.addr = "10.243.29.169";
+          aliases = [ "bernie.r" ];
+          tinc.pubkey = ''
+            -----BEGIN RSA PUBLIC KEY-----
+            MIICCgKCAgEApH5nG/Lwe/LiBkdL38vk1QcjOG/kf8dUqifouB56OQqe+MXASTSM
+            vhipszZqXVGgWRVrSH3WSZt0YAXTQQGEjtnAr6fSSnUek21omRGFgr47LiGJp9R8
+            OuhGPQs1sykIyl3HNSvDxj2EfWrXO73bKQPYdGIlfJWmsL69akWGlyYdEK1kloLC
+            ld5+eYICjiTtqAQ8snZQNaPIucW4cGOa0sATUP4H1jbDWtFCKE2/mR/gGo/W/opC
+            oOcJM7d5mb63blWVp9Zji/Gb64QltR50N3qvwc6W