merge shared into krebs

20 files changed, 915 insertions, 0 deletions

diff --git a/krebs/2configs/central-stats-client.nix b/krebs/2configs/central-stats-client.nix
new file mode 100644
index 00000000..0412eba9
--- /dev/null
+++ b/krebs/2configs/central-stats-client.nix
@@ -0,0 +1,68 @@
+{pkgs, config, ...}:
+{
+  services.collectd = {
+    enable = true;
+    autoLoadPlugin = true;
+    extraConfig = ''
+      Hostname ${config.krebs.build.host.name}
+      LoadPlugin load
+      LoadPlugin disk
+      LoadPlugin memory
+      LoadPlugin df
+      Interval 30.0
+
+      LoadPlugin interface
+      <Plugin "interface">
+        Interface "*Link"
+        Interface "lo"
+        Interface "vboxnet*"
+        Interface "virbr*"
+        IgnoreSelected true
+      </Plugin>
+
+      LoadPlugin df
+      <Plugin "df">
+        MountPoint "/nix/store"
+        # MountPoint "/run*"
+        # MountPoint "/sys*"
+        # MountPoint "/dev"
+        # MountPoint "/dev/shm"
+        # MountPoint "/tmp"
+        FSType "tmpfs"
+        FSType "binfmt_misc"
+        FSType "debugfs"
+        FSType "mqueue"
+        FSType "hugetlbfs"
+        FSType "systemd-1"
+        FSType "cgroup"
+        FSType "securityfs"
+        FSType "ramfs"
+        FSType "proc"
+        FSType "devpts"
+        FSType "devtmpfs"
+        MountPoint "/var/lib/docker/devicemapper"
+        IgnoreSelected true
+      </Plugin>
+
+      LoadPlugin cpu
+      <Plugin cpu>
+        ReportByCpu true
+        ReportByState true
+        ValuesPercentage true
+      </Plugin>
+
+      LoadPlugin network
+      <Plugin "network">
+          Server "stats.makefu.r" "25826"
+      </Plugin>
+
+      LoadPlugin curl
+      <Plugin curl>
+        <Page "smarthome">
+          URL "http://smarthome.shack/";
+          MeasureResponseTime true
+        </Page>
+      </Plugin>
+    '';
+  };
+}
diff --git a/krebs/2configs/cgit-mirror.nix b/krebs/2configs/cgit-mirror.nix
new file mode 100644
index 00000000..c2326a5c
--- /dev/null
+++ b/krebs/2configs/cgit-mirror.nix
@@ -0,0 +1,45 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  rules = with git; singleton {
+    user = [ wolf-repo-sync ];
+    repo = [ stockholm-mirror ];
+    perm = push ''refs/*'' [ non-fast-forward create delete merge ];
+  };
+
+  stockholm-mirror = {
+    public = true;
+    name = "stockholm-mirror";
+    cgit.desc = "mirror for all stockholm branches";
+    hooks = {
+      post-receive = pkgs.git-hooks.irc-announce {
+        nick = config.networking.hostName;
+        verbose = false;
+        channel = "#retiolum";
+        server = "ni.r";
+      };
+    };
+  };
+
+  wolf-repo-sync = {
+    name = "wolf-repo-sync";
+    mail = "spam@krebsco.de";
+    # TODO put git-sync pubkey somewhere more appropriate
+    pubkey = ''ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCwuAZB3wtAvBJFYh+gWdyGaZU4mtqM2dFXmh2rORlbXeh02msu1uv07ck1VKkQ4LgvCBcBsAOeVa1NTz99eLqutwgcqMCytvRNUCibcoEWwHObsK53KhDJj+zotwlFhnPPeK9+EpOP4ngh/tprJikttos5BwBwe2K+lfiid3fmVPZcTTYa77nCwijimMvWEx6CEjq1wiXMUc4+qcEn8Swbwomz/EEQdNE2hgoC3iMW9RqduTFdIJWnjVi0KaxenX9CvQRGbVK5SSu2gwzN59D/okQOCP6+p1gL5r3QRHSLSSRiEHctVQTkpKOifrtLZGSr5zArEmLd/cOVyssHQPCX repo-sync@wolf'';
+  };
+
+in {
+  krebs.users.wolf-repo-sync = wolf-repo-sync;
+  krebs.git = {
+    enable = true;
+    cgit = {
+      settings = {
+        root-title = "Shared Repos";
+        root-desc = "keep on krebsing";
+      };
+    };
+    inherit rules;
+    repos.stockholm-mirror = stockholm-mirror;
+  };
+}
diff --git a/krebs/2configs/collectd-base.nix b/krebs/2configs/collectd-base.nix
new file mode 100644
index 00000000..440f83fc
--- /dev/null
+++ b/krebs/2configs/collectd-base.nix
@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+# TODO: krebs.collectd.plugins
+with import <stockholm/lib>;
+let
+  connect-time-cfg = with pkgs; writeText "collectd-connect-time.conf" ''
+    LoadPlugin python
+    <Plugin python>
+      ModulePath "${collectd-connect-time}/lib/${python.libPrefix}/site-packages/"
+      Import "collectd_connect_time"
+      <Module collectd_connect_time>
+        target "localhost:22" "google.com" "google.de" "gum.r:22" "gum.krebsco.de" "heidi.shack:22" "10.42.0.1:22" "heise.de" "t-online.de"
+        interval 10
+      </Module>
+    </Plugin>
+  '';
+  graphite-cfg = pkgs.writeText "collectd-graphite.conf" ''
+    LoadPlugin write_graphite
+    <Plugin "write_graphite">
+      <Carbon>
+        Host "heidi.shack"
+        Port "2003"
+        Prefix "retiolum."
+        EscapeCharacter "_"
+        StoreRates false
+        AlwaysAppendDS false
+      </Carbon>
+    </Plugin>
+  '';
+in {
+  imports = [ ];
+
+  nixpkgs.config.packageOverrides = pkgs: with pkgs; {
+    collectd = pkgs.collectd.override { python= pkgs.python; };
+  };
+  services.collectd = {
+    enable = true;
+    include = [ (toString connect-time-cfg) (toString graphite-cfg) ];
+  };
+
+}
diff --git a/krebs/2configs/default.nix b/krebs/2configs/default.nix
new file mode 100644
index 00000000..53ad56d6
--- /dev/null
+++ b/krebs/2configs/default.nix
@@ -0,0 +1,51 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+{
+  krebs.enable = true;
+  krebs.tinc.retiolum.enable = true;
+
+  krebs.build.user = mkDefault config.krebs.users.krebs;
+
+  networking.hostName = config.krebs.build.host.name;
+
+  nix.maxJobs = 1;
+  nix.trustedBinaryCaches = [
+    "https://cache.nixos.org"
+    "http://cache.nixos.org"
+    "http://hydra.nixos.org"
+  ];
+  nix.useSandbox = true;
+
+  environment.systemPackages = with pkgs; [
+    git
+    rxvt_unicode.terminfo
+  ];
+
+  programs.ssh.startAgent = false;
+
+  services.openssh = {
+    enable = true;
+    hostKeys = [
+      { type = "ed25519"; path = "/etc/ssh/ssh_host_ed25519_key"; }
+    ];
+  };
+  services.cron.enable = false;
+  services.nscd.enable = false;
+  services.ntp.enable = false;
+
+  users.mutableUsers = false;
+  users.extraUsers.root.openssh.authorizedKeys.keys = [
+    # TODO
+    config.krebs.users.lass.pubkey
+    config.krebs.users.makefu.pubkey
+    # TODO HARDER:
+    config.krebs.users.makefu-omo.pubkey
+    config.krebs.users.tv.pubkey
+  ];
+
+
+  # The NixOS release to be compatible with for stateful data such as databases.
+  system.stateVersion = "15.09";
+
+}
diff --git a/krebs/2configs/graphite.nix b/krebs/2configs/graphite.nix
new file mode 100644
index 00000000..64222e43
--- /dev/null
+++ b/krebs/2configs/graphite.nix
@@ -0,0 +1,93 @@
+{ config, lib, pkgs, ... }:
+
+# graphite-web on port 8080
+# carbon cache on port 2003 (tcp/udp)
+
+# TODO: krebs.graphite.minimal.enable
+# TODO: configure firewall
+with import <stockholm/lib>;
+{
+  imports = [ ];
+
+  services.graphite = {
+    api = {
+      enable = true;
+      listenAddress = "0.0.0.0";
+    };
+    carbon = {
+      enableCache = true;
+      # save disk usage by restricting to 1 bulk update per second
+      config = ''
+        [cache]
+        MAX_CACHE_SIZE = inf
+        MAX_UPDATES_PER_SECOND = 1
+        MAX_CREATES_PER_MINUTE = 50
+        MAX_UPDATES_PER_SECOND_ONSHUTDOWN = 9001
+
+        LOG_CACHE_HITS = False
+        LOG_CACHE_QUEUE_SORTS = False
+        LOG_UPDATES = False
+        LOG_LISTENER_CONNECTIONS = False
+        LOG_CREATES = True
+        '';
+      storageAggregation = ''
+      '';
+      storageSchemas = ''
+        [carbon]
+        pattern = ^carbon\.
+        retentions = 60:90d
+
+
+        [radiation_sensor]
+        pattern = ^sensors\.radiation\.
+        retentions = 1m:30d,5m:180d,10m:3y
+
+        [motion_sensors]
+        pattern = ^sensors\.motion\.
+        retentions = 1s:1h,60s:30d,300s:1y
+
+        [motion_sensors]
+        pattern = ^retiolum\.
+        retentions = 10s:1h,30s:30d,300s:1y
+
+        [homeassistant]
+        pattern = ^homeassistant\.
+        retentions = 10s:24h,30s:30d,300s:1y,3600s:5y
+
+        [ara]
+        pattern = ^ara\.
+        retentions = 60s:30d,300s:1y
+
+        [openweathermap]
+        pattern = ^weather\.openweathermap
+        retentions = 30m:30d,1h:5y
+
+        [stadtklima]
+        pattern = ^weather\.stadtklima-stuttgart
+        retentions = 15m:30d,30m:5y
+
+        [sensebox]
+        pattern = ^weather\.sensebox
+        retentions = 1m:90d,30m:5y
+
+        [elchos]
+        pattern = ^elchos\.
+        retentions = 10s:14d,1m:90d,10m:5y
+
+        [icinga_default]
+        pattern = ^icinga
+        retentions = 10s:14d,5m:90d,10m:5y
+
+        [icinga_internals]
+        pattern = ^icinga.*\.(max_check_attempts|reachable|current_attempt|execution_time|latency|state|state_type)
+        retentions = 5m:7d
+
+        [default]
+        pattern = .*
+        retentions = 60s:30d,300s:1y
+        '';
+    };
+  };
+  systemd.services.carbonCache.serviceConfig.Restart="always";
+  systemd.services.graphiteApi.serviceConfig.Restart="always";
+}
diff --git a/krebs/2configs/os-templates/CAC-CentOS-6.5-64bit.nix b/krebs/2configs/os-templates/CAC-CentOS-6.5-64bit.nix
new file mode 100644
index 00000000..b5ec722a
--- /dev/null
+++ b/krebs/2configs/os-templates/CAC-CentOS-6.5-64bit.nix
@@ -0,0 +1,47 @@
+_:
+
+{
+  boot.loader.grub = {
+    device = "/dev/sda";
+    splashImage = null;
+  };
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "vmw_pvscsi"
+  ];
+
+  fileSystems."/" = {
+    device = "/dev/VolGroup/lv_root";
+    fsType = "ext4";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/sda1";
+    fsType = "ext4";
+  };
+
+  swapDevices = [
+    { device = "/dev/VolGroup/lv_swap"; }
+  ];
+
+  users.extraGroups = {
+    # ● systemd-tmpfiles-setup.service - Create Volatile Files and Directories
+    #    Loaded: loaded (/nix/store/2l33gg7nmncqkpysq9f5fxyhlw6ncm2j-systemd-217/example/systemd/system/systemd-tmpfiles-setup.service)
+    #    Active: failed (Result: exit-code) since Mon 2015-03-16 10:29:18 UTC; 4s ago
+    #      Docs: man:tmpfiles.d(5)
+    #            man:systemd-tmpfiles(8)
+    #   Process: 19272 ExecStart=/nix/store/2l33gg7nmncqkpysq9f5fxyhlw6ncm2j-systemd-217/bin/systemd-tmpfiles --create --remove --boot --exclude-prefix=/dev (code=exited, status=1/FAILURE)
+    #  Main PID: 19272 (code=exited, status=1/FAILURE)
+    #
+    # Mar 16 10:29:17 cd systemd-tmpfiles[19272]: [/usr/lib/tmpfiles.d/legacy.conf:26] Unknown group 'lock'.
+    # Mar 16 10:29:18 cd systemd-tmpfiles[19272]: Two or more conflicting lines for /var/log/journal configured, ignoring.
+    # Mar 16 10:29:18 cd systemd-tmpfiles[19272]: Two or more conflicting lines for /var/log/journal/7b35116927d74ea58785e00b47ac0f0d configured, ignoring.
+    # Mar 16 10:29:18 cd systemd[1]: systemd-tmpfiles-setup.service: main process exited, code=exited, status=1/FAILURE
+    # Mar 16 10:29:18 cd systemd[1]: Failed to start Create Volatile Files and Directories.
+    # Mar 16 10:29:18 cd systemd[1]: Unit systemd-tmpfiles-setup.service entered failed state.
+    # Mar 16 10:29:18 cd systemd[1]: systemd-tmpfiles-setup.service failed.
+    # warning: error(s) occured while switching to the new configuration
+    lock.gid = 10001;
+  };
+}
diff --git a/krebs/2configs/os-templates/CAC-CentOS-7-64bit.nix b/krebs/2configs/os-templates/CAC-CentOS-7-64bit.nix
new file mode 100644
index 00000000..168d1d97
--- /dev/null
+++ b/krebs/2configs/os-templates/CAC-CentOS-7-64bit.nix
@@ -0,0 +1,47 @@
+_:
+
+{
+  boot.loader.grub = {
+    device = "/dev/sda";
+    splashImage = null;
+  };
+
+  boot.initrd.availableKernelModules = [
+    "ata_piix"
+    "vmw_pvscsi"
+  ];
+
+  fileSystems."/" = {
+    device = "/dev/centos/root";
+    fsType = "xfs";
+  };
+
+  fileSystems."/boot" = {
+    device = "/dev/sda1";
+    fsType = "xfs";
+  };
+
+  swapDevices = [
+    { device = "/dev/centos/swap"; }
+  ];
+
+  users.extraGroups = {
+    # ● systemd-tmpfiles-setup.service - Create Volatile Files and Directories
+    #    Loaded: loaded (/nix/store/2l33gg7nmncqkpysq9f5fxyhlw6ncm2j-systemd-217/example/systemd/system/systemd-tmpfiles-setup.service)
+    #    Active: failed (Result: exit-code) since Mon 2015-03-16 10:29:18 UTC; 4s ago
+    #      Docs: man:tmpfiles.d(5)
+    #            man:systemd-tmpfiles(8)
+    #   Process: 19272 ExecStart=/nix/store/2l33gg7nmncqkpysq9f5fxyhlw6ncm2j-systemd-217/bin/systemd-tmpfiles --create --remove --boot --exclude-prefix=/dev (code=exited, status=1/FAILURE)
+    #  Main PID: 19272 (code=exited, status=1/FAILURE)
+    #
+    # Mar 16 10:29:17 cd systemd-tmpfiles[19272]: [/usr/lib/tmpfiles.d/legacy.conf:26] Unknown group 'lock'.
+    # Mar 16 10:29:18 cd systemd-tmpfiles[19272]: Two or more conflicting lines for /var/log/journal configured, ignoring.
+    # Mar 16 10:29:18 cd systemd-tmpfiles[19272]: Two or more conflicting lines for /var/log/journal/7b35116927d74ea58785e00b47ac0f0d configured, ignoring.
+    # Mar 16 10:29:18 cd systemd[1]: systemd-tmpfiles-setup.service: main process exited, code=exited, status=1/FAILURE
+    # Mar 16 10:29:18 cd systemd[1]: Failed to start Create Volatile Files and Directories.
+    # Mar 16 10:29:18 cd systemd[1]: Unit systemd-tmpfiles-setup.service entered failed state.
+    # Mar 16 10:29:18 cd systemd[1]: systemd-tmpfiles-setup.service failed.
+    # warning: error(s) occured while switching to the new configuration
+    lock.gid = 10001;
+  };
+}
diff --git a/krebs/2configs/repo-sync.nix b/krebs/2configs/repo-sync.nix
new file mode 100644
index 00000000..637a26e3
--- /dev/null
+++ b/krebs/2configs/repo-sync.nix
@@ -0,0 +1,31 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+{
+  krebs.repo-sync = let
+    # TODO addMirrorURL function
+    mirror = "git@wolf:stockholm-mirror";
+  in {
+    enable = true;
+    repos.stockholm = {
+      branches = {
+        makefu = {
+          origin.url = http://cgit.gum/stockholm ;
+          mirror.url = mirror;
+        };
+        tv = {
+          origin.url = http://cgit.ni.r/stockholm;
+          mirror.url = mirror;
+        };
+        lassulus = {
+          origin.url = http://cgit.prism/stockholm ;
+          mirror.url = mirror;
+        };
+      };
+      latest = {
+        url = mirror;
+        ref = "heads/master";
+      };
+    };
+  };
+}
diff --git a/krebs/2configs/save-diskspace.nix b/krebs/2configs/save-diskspace.nix
new file mode 100644
index 00000000..ab074c75
--- /dev/null
+++ b/krebs/2configs/save-diskspace.nix
@@ -0,0 +1,11 @@
+{lib, ... }:
+# TODO: do not check out nixpkgs master but fetch revision from github
+{
+  environment.noXlibs = true;
+  nix.gc.automatic = true;
+  nix.gc.dates = lib.mkDefault "03:10";
+  programs.info.enable = false;
+  programs.man.enable = false;
+  services.journald.extraConfig = "SystemMaxUse=50M";
+  services.nixosManual.enable = false;
+}
diff --git a/krebs/2configs/shack/bincache.nix b/krebs/2configs/shack/bincache.nix
new file mode 100644
index 00000000..9cd7fae2
--- /dev/null
+++ b/krebs/2configs/shack/bincache.nix
@@ -0,0 +1,6 @@
+{...}:
+{
+  nix.binaryCaches = [
+      "http://wolf.shack:3142/nixos"
+  ];
+}
diff --git a/krebs/2configs/shack/drivedroid.nix b/krebs/2configs/shack/drivedroid.nix
new file mode 100644
index 00000000..12e4a39c
--- /dev/null
+++ b/krebs/2configs/shack/drivedroid.nix
@@ -0,0 +1,49 @@
+{ config, pkgs, ... }:
+with import <stockholm/lib>;
+let
+  root = "/var/srv/drivedroid";
+in
+{
+  environment.systemPackages = [ pkgs.drivedroid-gen-repo ];
+
+  services.nginx = {
+    enable = mkDefault true;
+    virtualHosts.shack-drivedroid = {
+      serverAliases = [
+        "drivedroid.shack"
+      ];
+      # TODO: prepare this somehow
+      locations."/".extraConfig = ''
+        root ${root};
+        index main.json;
+      '';
+    };
+  };
+
+  systemd.services.drivedroid-gen-repo = {
+    description = "generates drivedroid repo file";
+    path = [
+      pkgs.coreutils
+      pkgs.drivedroid-gen-repo
+      pkgs.inotify-tools
+    ];
+    wantedBy = [ "multi-user.target" ];
+
+    serviceConfig = {
+      Type = "simple";
+      Restart = "always";
+      ExecStartPre = pkgs.writeDash "prepare-drivedroid-gen-repo" ''
+        mkdir -p ${root}/repos
+      '';
+      ExecStart = pkgs.writeDash "start-drivedroid-gen-repo" ''
+        set -efu
+        cd ${root}
+        while sleep 60; do
+          if inotifywait -r .; then
+            drivedroid-gen-repo repos > main.json
+          fi
+        done
+      '';
+    };
+  };
+}
diff --git a/krebs/2configs/shack/mqtt_sub.nix b/krebs/2configs/shack/mqtt_sub.nix
new file mode 100644
index 00000000..a8427dde
--- /dev/null
+++ b/krebs/2configs/shack/mqtt_sub.nix
@@ -0,0 +1,34 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  pkg = pkgs.stdenv.mkDerivation {
+    name = "mqtt2graphite-2017-05-29";
+    src = pkgs.fetchgit {
+      url = "https://github.com/shackspace/mqtt2graphite/";
+      rev = "117179d";
+      sha256 = "1334jbbzlqizyp7zcn4hdswhhrnkj1p4p435n5nph82lzffrsi44";
+    };
+    buildInputs = [
+      (pkgs.python35.withPackages (pythonPackages: with pythonPackages; [
+        docopt
+        paho-mqtt
+      ]))
+    ];
+    installPhase = ''
+      install -m755 -D sub.py  $out/bin/sub
+      install -m755 -D sub2.py  $out/bin/sub-new
+    '';
+  };
+in {
+  systemd.services.mqtt_sub  = {
+    description = "subscribe to mqtt, send to graphite";
+    # after = [ (lib.optional config.services.mosqitto.enable "mosquitto.service") ];
+    wantedBy = [ "multi-user.target"  ];
+    serviceConfig = {
+      User = "nobody";
+      ExecStart = "${pkg}/bin/sub-new";
+      PrivateTmp = true;
+    };
+  };
+}
diff --git a/krebs/2configs/shack/muell_caller.nix b/krebs/2configs/shack/muell_caller.nix
new file mode 100644
index 00000000..2d8d78e3
--- /dev/null
+++ b/krebs/2configs/shack/muell_caller.nix
@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  pkg = pkgs.stdenv.mkDerivation {
+    name = "muell_caller-2017-06-01";
+    src = pkgs.fetchgit {
+      url = "https://github.com/shackspace/muell_caller/";
+      rev = "bbd4009";
+      sha256 = "1bfnfl2vdh0p5wzyz5p48qh04vvsg2445avg86fzhzragx25fqv0";
+    };
+    buildInputs = [
+      (pkgs.python3.withPackages (pythonPackages: with pythonPackages; [
+        docopt
+        requests2
+        paramiko
+        python
+      ]))
+    ];
+    installPhase = ''
+      install -m755 -D call.py  $out/bin/call-muell
+    '';
+  };
+  cfg = "${toString <secrets>}/tell.json";
+in {
+  systemd.services.call_muell = {
+    description = "call muell";
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      User = "nobody"; # TODO separate user
+      ExecStartPre = pkgs.writeDash "call-muell-pre" ''
+        cp ${cfg} /tmp/tell.json
+        chown nobody /tmp/tell.json
+      '';
+      ExecStart = "${pkg}/bin/call-muell --cfg /tmp/tell.json --mode mpd loop 60";
+      Restart = "always";
+      PrivateTmp = true;
+      PermissionsStartOnly = true;
+    };
+  };
+}
diff --git a/krebs/2configs/shack/nix-cacher.nix b/krebs/2configs/shack/nix-cacher.nix
new file mode 100644
index 00000000..8feeca9a
--- /dev/null
+++ b/krebs/2configs/shack/nix-cacher.nix
@@ -0,0 +1,31 @@
+{ config, pkgs, ... }:
+with import <stockholm/lib>;
+let
+  cfg = config.krebs.apt-cacher-ng;
+in
+{
+  imports = [
+    ./bincache.nix
+  ];
+  krebs.apt-cacher-ng = {
+    enable = true;
+    port = 3142;
+    bindAddress = "localhost";
+    cacheExpiration = 30;
+  };
+
+  services.nginx = {
+    enable = mkDefault true;
+    virtualHosts.shack-nix-cacher = {
+      serverAliases = [
+        "acng.shack"
+      ];
+      locations."/".extraConfig = ''
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_pass http://localhost:${toString cfg.port}/;
+      '';
+    };
+  };
+}
diff --git a/krebs/2configs/shack/radioactive.nix b/krebs/2configs/shack/radioactive.nix
new file mode 100644
index 00000000..378b5405
--- /dev/null
+++ b/krebs/2configs/shack/radioactive.nix
@@ -0,0 +1,35 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  pkg = pkgs.stdenv.mkDerivation {
+    name = "radioactive-2017-06-01";
+    src = pkgs.fetchgit {
+      url = "https://github.com/makefu/nagios-radioactiveathome-plugins/";
+      rev = "955f614";
+      sha256 = "0ql6npl3n6shvij0ly6a52yjmf7dc31c5x29y927k9lvp8ygin20";
+    };
+    buildInputs = [
+      (pkgs.python3.withPackages (pythonPackages: with pythonPackages; [
+        docopt
+        requests2
+        python
+      ]))
+    ];
+    installPhase = ''
+      install -m755 -D add_many_points.py  $out/bin/radioactive-add-many
+    '';
+  };
+in {
+  systemd.services.radioactive = {
+    description = "radioactive";
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      User = "nobody"; # TODO separate user
+      ExecStart = "${pkg}/bin/radioactive-add-many loop 60";
+      Restart = "always";
+      PrivateTmp = true;
+      PermissionsStartOnly = true;
+    };
+  };
+}
diff --git a/krebs/2configs/shack/share.nix b/krebs/2configs/shack/share.nix
new file mode 100644
index 00000000..247b9ee7
--- /dev/null
+++ b/krebs/2configs/shack/share.nix
@@ -0,0 +1,38 @@
+{config, ... }:{
+  users.users.smbguest = {
+    name = "smbguest";
+    uid = config.ids.uids.smbguest;
+    group = "share";
+    description = "smb guest user";
+    home = "/home/share";
+    createHome = true;
+  };
+
+  networking.firewall.allowedTCPPorts = [
+    139 445 # samba
+  ];
+
+  networking.firewall.allowedUDPPorts = [
+    137 138
+  ];
+  services.samba = {
+    enable = true;
+    shares = {
+      share-home = {
+        path = "/home/share/";
+        "read only" = "no";
+        browseable = "yes";
+        "guest ok" = "yes";
+      };
+    };
+    extraConfig = ''
+      guest account = smbguest
+      map to guest = bad user
+      # disable printing
+      load printers = no
+      printing = bsd
+      printcap name = /dev/null
+      disable spoolss = yes
+    '';
+  };
+}
diff --git a/krebs/2configs/shack/worlddomination.nix b/krebs/2configs/shack/worlddomination.nix
new file mode 100644
index 00000000..d0f9f5fa
--- /dev/null
+++ b/krebs/2configs/shack/worlddomination.nix
@@ -0,0 +1,67 @@
+{ config, lib, pkgs, ... }:
+
+with import <stockholm/lib>;
+let
+  pythonPackages = pkgs.python3Packages;
+  # https://github.com/chrysn/aiocoap
+  aiocoap = pythonPackages.buildPythonPackage {
+      name = "aiocoap-0.3";
+      src = pkgs.fetchurl { url = "https://pypi.python.org/packages/9c/f6/d839e4b14258d76e74a39810829c13f8dd31de2bfe0915579b2a609d1bbe/aiocoap-0.3.tar.gz"; sha256 = "402d4151db6d8d0b1d66af5b6e10e0de1521decbf12140637e5b8d2aa9c5aef6"; };
+      propagatedBuildInputs = [ ];
+      doCheck = false; # 2 errors, dunnolol
+      meta = with pkgs.stdenv.lib; {
+        homepage = "";
+        license = licenses.mit;
+        description = "Python CoAP library";
+      };
+    };
+  LinkHeader = pythonPackages.buildPythonPackage {
+    name = "LinkHeader-0.4.3";
+    src = pkgs.fetchurl { url = "https://pypi.python.org/packages/27/d4/eb1da743b2dc825e936ef1d9e04356b5701e3a9ea022c7aaffdf4f6b0594/LinkHeader-0.4.3.tar.gz"; sha256 = "7fbbc35c0ba3fbbc530571db7e1c886e7db3d718b29b345848ac9686f21b50c3"; };
+    propagatedBuildInputs = [ ];
+    meta = with pkgs.stdenv.lib; {
+      homepage = "";
+      license = licenses.bsdOriginal;
+      description = "Parse and format link headers according to RFC 5988 \"Web Linking\"";
+    };
+  };
+  pkg = pkgs.stdenv.mkDerivation {
+    name = "worlddomination-2017-06-10";
+    src = pkgs.fetchgit {
+      url = "https://github.com/shackspace/worlddomination/";
+      rev = "72fc9b5";
+      sha256 = "05h500rswzypcxy4i22qc1vkc8izbzfqa9m86xg289hjxh133xyf";
+    };
+    buildInputs = [
+      (pkgs.python3.withPackages (pythonPackages: with pythonPackages; [
+        docopt
+        LinkHeader
+        aiocoap
+        requests2
+        paramiko
+        python
+      ]))
+    ];
+    installPhase = ''
+      install -m755 -D backend/push_led.py  $out/bin/push-led
+      install -m755 -D backend/loop_single.py  $out/bin/loop-single
+      # copy the provided file to the package
+      install -m755 -D backend/wd.lst  $out/${wdpath}
+    '';
+  };
+  wdpath = "/usr/worlddomination/wd.lst";
+  esphost = "10.42.24.7"; # esp8266
+  timeout = 10; # minutes
+in {
+  systemd.services.worlddomination = {
+    description = "run worlddomination";
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig = {
+      User = "nobody"; # TODO separate user
+      ExecStart = "${pkg}/bin/push-led ${esphost} ${pkg}/${wdpath} loop ${toString timeout}";
+      Restart = "always";
+      PrivateTmp = true;
+      PermissionsStartOnly = true;
+    };
+  };
+}
diff --git a/krebs/2configs/shared-buildbot.nix b/krebs/2configs/shared-buildbot.nix
new file mode 100644
index 00000000..efb41cc3
--- /dev/null
+++ b/krebs/2configs/shared-buildbot.nix
@@ -0,0 +1,178 @@
+{ lib, config, pkgs, ... }:
+# The buildbot config is self-contained and currently provides a way 
+# to test "krebs" configuration (infrastructure to be used by every krebsminister).
+
+# You can add your own test, test steps as required. Deploy the config on a
+# krebs host like wolf and everything should be fine.
+
+# TODO for all users schedule a build for fast tests
+{
+  # due to the fact that we actually build stuff on the box via the daemon,
+  # /nix/store should be cleaned up automatically as well
+  services.nginx.virtualHosts.build = {
+    serverAliases = [ "build.wolf.r" ];
+    locations."/".extraConfig = ''
+      proxy_set_header Upgrade $http_upgrade;
+      proxy_set_header Connection "upgrade";
+      proxy_pass http://localhost:${toString config.krebs.buildbot.master.web.port};
+    '';
+  };
+
+  nix.gc.automatic = true;
+  nix.gc.dates = "05:23";
+  networking.firewall.allowedTCPPorts = [ 8010 9989 ];
+  krebs.buildbot.master = let
+    stockholm-mirror-url = http://cgit.wolf.r/stockholm-mirror ;
+  in {
+    secrets = [ "retiolum-ci.rsa_key.priv" "cac.json" ];
+    workers = {
+      testworker =  "krebspass";
+    };
+    change_source.stockholm = ''
+  stockholm_repo = '${stockholm-mirror-url}'
+  cs.append(changes.GitPoller(
+          stockholm_repo,
+          workdir='stockholm-poller', branches=True,
+          project='stockholm',
+          pollinterval=60))
+    '';
+    scheduler = {
+        force-scheduler = ''
+  sched.append(schedulers.ForceScheduler(
+                              name="force",
+                              builderNames=[
+                              #  "full-tests",
+                                "fast-tests",
+                                "build-local"
+                              ]))
+        '';
+        fast-tests-scheduler = ''
+  # test everything real quick
+  sched.append(schedulers.AnyBranchScheduler(
+                              treeStableTimer=10,
+                              name="fast-all-branches",
+                              builderNames=["fast-tests"]))
+        '';
+        test-cac-infest-master = ''
+  # files everyone depends on or are part of the share branch
+  def shared_files(change):
+    r =re.compile("^(krebs/.*|Makefile|default.nix|shell.nix)")
+    for file in change.files:
+      if r.match(file):
+        return True
+    return False
+
+  sched.append(schedulers.SingleBranchScheduler(
+                              change_filter=util.ChangeFilter(branch="master"),
+                              fileIsImportant=shared_files,
+                              treeStableTimer=60*60, # master was stable for the last hour
+                              name="full-master",
+                              builderNames=[
+                              #  "full-tests",
+                                "build-local"
+                              ]))
+        '';
+    };
+    builder_pre = ''
+  # prepare grab_repo step for stockholm
+  grab_repo = steps.Git(repourl=stockholm_repo, mode='incremental')
+
+  env = {
+    "LOGNAME": "krebs",
+    "NIX_REMOTE": "daemon",
+    "dummy_secrets": "true",
+  }
+
+  # prepare nix-shell
+  # the dependencies which are used by the test script
+  deps = [ "gnumake", "jq", "nix",
+            "(import <stockholm>).pkgs.populate",
+            "(import <stockholm>).pkgs.test.infest-cac-centos7" ]
+  # TODO: --pure , prepare ENV in nix-shell command:
+  #                   SSL_CERT_FILE,LOGNAME,NIX_REMOTE
+  nixshell = ["nix-shell",
+                "-I", "stockholm=.",
+