diff --git a/host-registry.nix b/host-registry.nix
index f8135a4f..779b8d8b 100644
--- a/host-registry.nix
+++ b/host-registry.nix
@@ -5,8 +5,8 @@ rec {
     adc = { };
     grafana.publicKey =
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPFB9fo01jzr2upEBEXiR7sSmeQoq9ll5Cf5/hjq5e4Y";
-    scrape = {};
-    ledstripes = {};
+    scrape = { };
+    ledstripes = { };
 
     glotzbert.publicKey =
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAnEWn/8CKIiCtehh6Ha3XUQqjODj0ygyo3aGAsFWgfG";
@@ -59,7 +59,8 @@ rec {
         ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBKQCZ7f7bqRC6B72oMu7BCItZxZnWsqx9Th/2iBRvtIFggr4YNi7Pbw3cc68NVbm0u7feUUgH5LDiXVpig3b7Gw=
       '';
     };
-    storage.publicKey = "storage.ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBbjG4uY8A0IJHRKjiQwt9JbuLDNVaTcwNJN8J4z6mgX";
+    storage.publicKey =
+      "storage.ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBbjG4uY8A0IJHRKjiQwt9JbuLDNVaTcwNJN8J4z6mgX";
 
   };
 
diff --git a/hosts/containers/deployer/configuration.nix b/hosts/containers/deployer/configuration.nix
index 3f73d06a..760a3274 100644
--- a/hosts/containers/deployer/configuration.nix
+++ b/hosts/containers/deployer/configuration.nix
@@ -5,14 +5,14 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
+  imports = [
+    ../../../lib/lxc-container.nix
     ../../../lib/shared.nix
     ../../../lib/admins.nix
   ];
 
   environment.systemPackages = with pkgs; [
-    nixops 
+    nixops
     pass
     gnupg
     ansible
@@ -25,7 +25,10 @@
     htop
   ];
 
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.16"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.16";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
 
   networking = {
@@ -50,9 +53,7 @@
     #  address = "fe80::a800:42ff:fe7a:3246";
     #  interface = "ens18";
     #};
-    firewall.allowedTCPPorts = [ 
-      22
-    ];
+    firewall.allowedTCPPorts = [ 22 ];
   };
 
   services.openssh = {
@@ -67,8 +68,8 @@
   };
 
   users.extraUsers.k-ot = {
-     isNormalUser = true;
-     uid = 1000;
+    isNormalUser = true;
+    uid = 1000;
     extraGroups = [ "wheel" ];
   };
 
diff --git a/hosts/containers/dhcp/configuration.nix b/hosts/containers/dhcp/configuration.nix
index 1aaa5400..9e46d63f 100644
--- a/hosts/containers/dhcp/configuration.nix
+++ b/hosts/containers/dhcp/configuration.nix
@@ -1,29 +1,28 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
-      ../../../lib/shared.nix
-      ../../../lib/admins.nix
-    ];
+  imports = [
+    ../../../lib/lxc-container.nix
+    ../../../lib/shared.nix
+    ../../../lib/admins.nix
+  ];
 
   networking.hostName = "dhcp";
   networking.defaultGateway = "172.22.99.1";
-  networking.nameservers = [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
+  networking.nameservers =
+    [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
   networking.useDHCP = false;
   networking.interfaces.eth0 = {
-    ipv4.addresses = [ {
+    ipv4.addresses = [{
       address = "172.22.99.254";
       prefixLength = 24;
-    } ];
+    }];
     useDHCP = lib.mkForce false;
   };
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    vim
-  ];
+  environment.systemPackages = with pkgs; [ vim ];
 
   # dhcp
   networking.firewall.allowedUDPPorts = [ 67 68 ];
diff --git a/hosts/containers/dn42/configuration.nix b/hosts/containers/dn42/configuration.nix
index eb52ddf6..774c1a35 100644
--- a/hosts/containers/dn42/configuration.nix
+++ b/hosts/containers/dn42/configuration.nix
@@ -5,12 +5,12 @@ let
   address6 = "fe80::deca:fbad";
   neighbors = import ../../../secrets/hosts/dn42/neighbors.nix;
 in {
-  imports =
-    [ ../../../lib/lxc-container.nix
-      ../../../lib/shared.nix
-      ../../../lib/admins.nix
-      ../../../lib/default-gateway.nix
-    ];
+  imports = [
+    ../../../lib/lxc-container.nix
+    ../../../lib/shared.nix
+    ../../../lib/admins.nix
+    ../../../lib/default-gateway.nix
+  ];
 
   networking.hostName = "dn42";
   # networking.defaultGateway6 = {
@@ -19,18 +19,16 @@ in {
   # };
   networking.nameservers = [ "172.20.72.6" "172.20.72.10" ];
   networking.interfaces.eth0 = {
-    ipv4.addresses = [ {
+    ipv4.addresses = [{
       address = address4;
       prefixLength = 24;
-    } ];
+    }];
   };
   networking.useDHCP = false;
   networking.useNetworkd = true;
   services.resolved.enable = false;
 
-  environment.systemPackages = with pkgs; [
-    vim
-  ];
+  environment.systemPackages = with pkgs; [ vim ];
 
   # SSH for nixops
   services.openssh.enable = true;
@@ -45,161 +43,154 @@ in {
       mknod -m 666 /dev/net/tun c 10 200
     fi
   '';
-  services.openvpn =
-    let
-      openvpnNeighbors = lib.filterAttrs (_: conf: conf ? openvpn) neighbors;
-      keyfile = name:
-        builtins.toFile "${name}.key"
-        (builtins.readFile (../../../secrets/hosts/dn42/openvpn + "/${name}.key"));
-      mkServer = name: conf: {
-        config = ''
-          dev ${name}
-          dev-type tun
-          ifconfig ${address4} ${conf.address4}
-          user nobody
-          group nogroup
-          persist-tun
-          persist-key
-          ping 30
-          ping-restart 45
-          verb 1
-          ${conf.openvpn}
-          secret ${keyfile name}
-        '';
-        up = ''
-          ${pkgs.iproute}/bin/ip addr flush dev $1
-          ${pkgs.iproute}/bin/ip addr add ${address4} dev ${name} peer ${conf.address4}/32
-          ${pkgs.iproute}/bin/ip addr add ${address6}/64 dev $1
-        '';
-      };
-    in {
-      servers = builtins.mapAttrs (name: conf: mkServer name conf) openvpnNeighbors;
+  services.openvpn = let
+    openvpnNeighbors = lib.filterAttrs (_: conf: conf ? openvpn) neighbors;
+    keyfile = name:
+      builtins.toFile "${name}.key" (builtins.readFile
+        (../../../secrets/hosts/dn42/openvpn + "/${name}.key"));
+    mkServer = name: conf: {
+      config = ''
+        dev ${name}
+        dev-type tun
+        ifconfig ${address4} ${conf.address4}
+        user nobody
+        group nogroup
+        persist-tun
+        persist-key
+        ping 30
+        ping-restart 45
+        verb 1
+        ${conf.openvpn}
+        secret ${keyfile name}
+      '';
+      up = ''
+        ${pkgs.iproute}/bin/ip addr flush dev $1
+        ${pkgs.iproute}/bin/ip addr add ${address4} dev ${name} peer ${conf.address4}/32
+        ${pkgs.iproute}/bin/ip addr add ${address6}/64 dev $1
+      '';
     };
+  in {
+    servers =
+      builtins.mapAttrs (name: conf: mkServer name conf) openvpnNeighbors;
+  };
 
   networking.wireguard = {
     enable = true;
-    interfaces =
-      let
-        wireguardNeighbors = lib.filterAttrs (_: conf: conf ? wireguard) neighbors;
-      in
-        builtins.mapAttrs (name: conf: {
-          inherit (conf.wireguard) listenPort privateKey;
-          ips = [ "${address4}/32" "${address6}/64" ];
-          allowedIPsAsRoutes = false;
-          postSetup = ''
-            ${pkgs.iproute}/bin/ip addr del ${address4}/32 dev ${name}
-            ${pkgs.iproute}/bin/ip addr add ${address4} dev ${name} peer ${conf.address4}/32
-          '';
-          peers = [ ({
-            inherit (conf.wireguard) publicKey;
-            allowedIPs = [ "0.0.0.0/0" "::0/0" ];
-            persistentKeepalive = 30;
-          } // (lib.optionalAttrs (conf.wireguard ? endpoint) {
-            inherit (conf.wireguard) endpoint;
-          })) ];
-        }) wireguardNeighbors;
+    interfaces = let
+      wireguardNeighbors =
+        lib.filterAttrs (_: conf: conf ? wireguard) neighbors;
+    in builtins.mapAttrs (name: conf: {
+      inherit (conf.wireguard) listenPort privateKey;
+      ips = [ "${address4}/32" "${address6}/64" ];
+      allowedIPsAsRoutes = false;
+      postSetup = ''
+        ${pkgs.iproute}/bin/ip addr del ${address4}/32 dev ${name}
+        ${pkgs.iproute}/bin/ip addr add ${address4} dev ${name} peer ${conf.address4}/32
+      '';
+      peers = [
+        ({
+          inherit (conf.wireguard) publicKey;
+          allowedIPs = [ "0.0.0.0/0" "::0/0" ];
+          persistentKeepalive = 30;
+        } // (lib.optionalAttrs (conf.wireguard ? endpoint) {
+          inherit (conf.wireguard) endpoint;
+        }))
+      ];
+    }) wireguardNeighbors;
   };
 
   services.bird2 = {
     enable = true;
-    config =
-      let
-        bgpNeighbors =
-          builtins.concatStringsSep "\n"
-          (builtins.attrValues (builtins.mapAttrs (name: conf:
-            let
-              neighbor4 =
-                if conf ? address4
-                then ''
-                  protocol bgp ${name}_4 from dnpeers {
-                    neighbor ${conf.address4} as ${builtins.toString conf.asn};
-                  }
-                ''
-                else "";
-              neighbor6 =
-                if conf ? address6
-                then ''
-                  protocol bgp ${name}_6 from dnpeers {
-                    neighbor ${conf.address6}%${interface} as ${builtins.toString conf.asn};
-                  }
-                ''
-                else "";
-              interface =
-                if conf ? interface
-                then conf.interface
-                else name;
-            in "${neighbor4}${neighbor6}"
-          ) neighbors));
-      in ''
-        protocol kernel {
-          ipv4 {
-            export all;
-          };
-        }
-        protocol kernel {
-          ipv6 {
-            export all;
-          };
-        }
-        protocol device {
-          scan time 10;
-        }
-
-        protocol static {
-          ipv4;
-          route 10.0.0.0/8 unreachable;
-          route 172.16.0.0/12 unreachable;
-          route 192.168.0.0/16 unreachable;
-        }
-
-        protocol static {
-          ipv6;
-          route 2000::/3 via 2a02:8106:208:5201::c3d2:4;
-          route fd00::/8 unreachable;
-        }
-
-
-        protocol static hq4 {
-          ipv4;
-          route 172.22.99.0/24 via "eth0";
-        }
-
-        protocol static hq6 {
-          ipv6;
-          route fd23:42:c3d2:500::/56 unreachable;
-        }
-
-        template bgp dnpeers {
-          local as 64699;
-          ipv4 {
-            import all;
-            export filter {
-              if source = RTS_BGP then {
-                accept;
+    config = let
+      bgpNeighbors = builtins.concatStringsSep "\n" (builtins.attrValues
+        (builtins.mapAttrs (name: conf:
+          let
+            neighbor4 = if conf ? address4 then ''
+              protocol bgp ${name}_4 from dnpeers {
+                neighbor ${conf.address4} as ${builtins.toString conf.asn};
               }
-              if proto = "hq4" then {
-                accept;
+            '' else
+              "";
+            neighbor6 = if conf ? address6 then ''
+              protocol bgp ${name}_6 from dnpeers {
+                neighbor ${conf.address6}%${interface} as ${
+                  builtins.toString conf.asn
+                };
               }
-              reject;
-            };
-          };
-          ipv6 {
-            import all;
-            export filter {
-              if source = RTS_BGP then {
-                accept;
-              }
-              if proto = "hq6" then {
-                accept;
-              }
-              reject;
-            };
-          };
-        }
-        ${bgpNeighbors}
+            '' else
+              "";
+            interface = if conf ? interface then conf.interface else name;
+          in "${neighbor4}${neighbor6}") neighbors));
+    in ''
+      protocol kernel {
+        ipv4 {
+          export all;
+        };
+      }
+      protocol kernel {
+        ipv6 {
+          export all;
+        };
+      }
+      protocol device {
+        scan time 10;
+      }
 
-        router id ${address4};
-      '';
+      protocol static {
+        ipv4;
+        route 10.0.0.0/8 unreachable;
+        route 172.16.0.0/12 unreachable;
+        route 192.168.0.0/16 unreachable;
+      }
+
+      protocol static {
+        ipv6;
+        route 2000::/3 via 2a02:8106:208:5201::c3d2:4;
+        route fd00::/8 unreachable;
+      }
+
+
+      protocol static hq4 {
+        ipv4;
+        route 172.22.99.0/24 via "eth0";
+      }
+
+      protocol static hq6 {
+        ipv6;
+        route fd23:42:c3d2:500::/56 unreachable;
+      }
+
+      template bgp dnpeers {
+        local as 64699;
+        ipv4 {
+          import all;
+          export filter {
+            if source = RTS_BGP then {
+              accept;
+            }
+            if proto = "hq4" then {
+              accept;
+            }
+            reject;
+          };
+        };
+        ipv6 {
+          import all;
+          export filter {
+            if source = RTS_BGP then {
+              accept;
+            }
+            if proto = "hq6" then {
+              accept;
+            }
+            reject;
+          };
+        };
+      }
+      ${bgpNeighbors}
+
+      router id ${address4};
+    '';
   };
 
   # This value determines the NixOS release with which your system is to be
diff --git a/hosts/containers/dnscache/configuration.nix b/hosts/containers/dnscache/configuration.nix
index 8986091d..bd449d45 100644
--- a/hosts/containers/dnscache/configuration.nix
+++ b/hosts/containers/dnscache/configuration.nix
@@ -1,9 +1,7 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ <nixpkgs/nixos/modules/profiles/minimal.nix>
-    ];
+  imports = [ <nixpkgs/nixos/modules/profiles/minimal.nix> ];
   nix.useSandbox = false;
   nix.maxJobs = lib.mkDefault 4;
 
@@ -13,16 +11,23 @@
   boot.loader.grub.enable = false;
   #boot.supportedFilesystems = ["zfs" "ext2" "ext3" "vfat" "fat32" "bcache" "bcachefs"];
 
-  fileSystems."/" = { fsType = "rootfs"; device = "rootfs"; };
+  fileSystems."/" = {
+    fsType = "rootfs";
+    device = "rootfs";
+  };
 
   networking.hostName = "dnscache"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
   networking.useNetworkd = true;
   networking.useDHCP = false;
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.8"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.8";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
   services.resolved.enable = false;
-  networking.nameservers = [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
+  networking.nameservers =
+    [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
 
   # Set your time zone.
   time.timeZone = "Europe/Berlin";
@@ -34,20 +39,16 @@
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    wget vim
-    traceroute tcpdump bind
-  ];
+  environment.systemPackages = with pkgs; [ wget vim traceroute tcpdump bind ];
 
   # Create a few files early before packing tarball for Proxmox
   # architecture/OS detection.
-  system.extraSystemBuilderCmds =
-      ''
-          mkdir -m 0755 -p $out/bin
-          ln -s ${pkgs.bash}/bin/bash $out/bin/sh
-          mkdir -m 0755 -p $out/sbin
-          ln -s ../init $out/sbin/init
-      '';
+  system.extraSystemBuilderCmds = ''
+    mkdir -m 0755 -p $out/bin
+    ln -s ${pkgs.bash}/bin/bash $out/bin/sh
+    mkdir -m 0755 -p $out/sbin
+    ln -s ../init $out/sbin/init
+  '';
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
@@ -79,107 +80,109 @@
       "127.0.0.0/8"
     ];
     forwardAddresses = [
-        # Quad9
-        "9.9.9.9@853" #dns.quad9.net
-        "2620:fe::fe@853" #dns.quad9.net
-        "149.112.112.112@853" #dns.quad9.net
-        "2620:fe::9@853" #dns.quad9.net
-        # Cloudflare DNS
-        "1.1.1.1@853" #cloudflare-dns.com
-        "2606:4700:4700::1111@853" #cloudflare-dns.com
-        "1.0.0.1@853" #cloudflare-dns.com
-        "2606:4700:4700::1001@853\n    forward-ssl-upstream: yes" #cloudflare-dns.com
+      # Quad9
+      "9.9.9.9@853" # dns.quad9.net
+      "2620:fe::fe@853" # dns.quad9.net
+      "149.112.112.112@853" # dns.quad9.net
+      "2620:fe::9@853" # dns.quad9.net
+      # Cloudflare DNS
+      "1.1.1.1@853" # cloudflare-dns.com
+      "2606:4700:4700::1111@853" # cloudflare-dns.com
+      "1.0.0.1@853" # cloudflare-dns.com
+      ''
+        2606:4700:4700::1001@853
+            forward-ssl-upstream: yes'' # cloudflare-dns.com
     ];
     extraConfig = ''
-      server:
-        domain-insecure: "dn42"
-        domain-insecure: "20.172.in-addr.arpa"
-        domain-insecure: "21.172.in-addr.arpa"
-        domain-insecure: "22.172.in-addr.arpa"
-        domain-insecure: "23.172.in-addr.arpa"
-        domain-insecure: "d.f.ip6.arpa"
-        domain-insecure: "ffdd"
-        domain-insecure: "200.10.in-addr.arpa"
-        local-zone: "20.172.in-addr.arpa." nodefault
-        local-zone: "21.172.in-addr.arpa." nodefault
-        local-zone: "22.172.in-addr.arpa." nodefault
-        local-zone: "23.172.in-addr.arpa." nodefault
-        local-zone: "d.f.ip6.arpa." nodefault
-        local-zone: "ffdd." nodefault
-        local-zone: "200.10.in-addr.arpa." nodefault
+        server:
+          domain-insecure: "dn42"
+          domain-insecure: "20.172.in-addr.arpa"
+          domain-insecure: "21.172.in-addr.arpa"
+          domain-insecure: "22.172.in-addr.arpa"
+          domain-insecure: "23.172.in-addr.arpa"
+          domain-insecure: "d.f.ip6.arpa"
+          domain-insecure: "ffdd"
+          domain-insecure: "200.10.in-addr.arpa"
+          local-zone: "20.172.in-addr.arpa." nodefault
+          local-zone: "21.172.in-addr.arpa." nodefault
+          local-zone: "22.172.in-addr.arpa." nodefault
+          local-zone: "23.172.in-addr.arpa." nodefault
+          local-zone: "d.f.ip6.arpa." nodefault
+          local-zone: "ffdd." nodefault
+          local-zone: "200.10.in-addr.arpa." nodefault
 
-      remote-control:
-        control-enable: yes
-        server-key-file: /var/lib/unbound/unbound_server.key
-        server-cert-file: /var/lib/unbound/unbound_server.pem
-        control-key-file: /var/lib/unbound/unbound_control.key
-        control-cert-file: /var/lib/unbound/unbound_control.pem
+        remote-control:
+          control-enable: yes
+          server-key-file: /var/lib/unbound/unbound_server.key
+          server-cert-file: /var/lib/unbound/unbound_server.pem
+          control-key-file: /var/lib/unbound/unbound_control.key
+          control-cert-file: /var/lib/unbound/unbound_control.pem
 
-    forward-zone:
-        name: "99.22.172.in-addr.arpa"
-        forward-host: "ns.c3d2.de"
+      forward-zone:
+          name: "99.22.172.in-addr.arpa"
+          forward-host: "ns.c3d2.de"
 
-    forward-zone:
-        name: "zentralwerk.dn42"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "zentralwerk.dn42"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "72.20.172.in-addr.arpa"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "72.20.172.in-addr.arpa"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "73.20.172.in-addr.arpa"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "73.20.172.in-addr.arpa"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "74.20.172.in-addr.arpa"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "74.20.172.in-addr.arpa"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "75.20.172.in-addr.arpa"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "75.20.172.in-addr.arpa"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "76.20.172.in-addr.arpa"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "76.20.172.in-addr.arpa"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "77.20.172.in-addr.arpa"
-        forward-host: "dns.serv.zentralwerk.org"
+      forward-zone:
+          name: "77.20.172.in-addr.arpa"
+          forward-host: "dns.serv.zentralwerk.org"
 
-    forward-zone:
-        name: "dn42"
-        forward-addr: 172.23.0.53
+      forward-zone:
+          name: "dn42"
+          forward-addr: 172.23.0.53
 
-    forward-zone:
-        name: "20.172.in-addr.arpa"
-        forward-addr: 172.23.0.53
+      forward-zone:
+          name: "20.172.in-addr.arpa"
+          forward-addr: 172.23.0.53
 
-    forward-zone:
-        name: "21.172.in-addr.arpa"
-        forward-addr: 172.23.0.53
+      forward-zone:
+          name: "21.172.in-addr.arpa"
+          forward-addr: 172.23.0.53
 
-    forward-zone:
-        name: "22.172.in-addr.arpa"
-        forward-addr: 172.23.0.53
+      forward-zone:
+          name: "22.172.in-addr.arpa"
+          forward-addr: 172.23.0.53
 
-    forward-zone:
-        name: "23.172.in-addr.arpa"
-        forward-addr: 172.23.0.53
+      forward-zone:
+          name: "23.172.in-addr.arpa"
+          forward-addr: 172.23.0.53
 
-    forward-zone:
-        name: "d.f.ip6.arpa"
-        forward-addr: 172.23.0.53
+      forward-zone:
+          name: "d.f.ip6.arpa"
+          forward-addr: 172.23.0.53
 
-    forward-zone:
-        name: "ffdd"
-        forward-addr: 10.200.0.4
-        forward-addr: 10.200.0.16
+      forward-zone:
+          name: "ffdd"
+          forward-addr: 10.200.0.4
+          forward-addr: 10.200.0.16
 
-    forward-zone:
-        name: "200.10.in-addr.arpa"
-        forward-addr: 10.200.0.4
-        forward-addr: 10.200.0.16
+      forward-zone:
+          name: "200.10.in-addr.arpa"
+          forward-addr: 10.200.0.4
+          forward-addr: 10.200.0.16
     '';
   };
 
@@ -191,33 +194,32 @@
       memory = "";
       interface = "";
       load = "";
-      exec =
-        let
-          unboundScript = builtins.toFile "unbound.rb" ''
-            loop do
-              `/run/current-system/sw/bin/unbound-control -c /var/lib/unbound/unbound.conf stats_noreset`
-                .lines
-                .filter { |l| l =~ /^total\./ }
-                .each { |l|
-                  if l =~ /total\.(.+?)=([\d\.]+)/
-                    name = $1
-                    value = $2.to_f
-                    if name =~ /\.avg$/ || name =~ /\.median$/ || name =~ /\.max$/ || name =~ /\.min$/
-                      ty = "gauge"
-                    else
-                      ty = "derive"
-                      value = value.to_i
-                    end
-                    puts "PUTVAL dnscache/unbound/#{ty}-#{name} N:#{value}"
+      exec = let
+        unboundScript = builtins.toFile "unbound.rb" ''
+          loop do
+            `/run/current-system/sw/bin/unbound-control -c /var/lib/unbound/unbound.conf stats_noreset`
+              .lines
+              .filter { |l| l =~ /^total\./ }
+              .each { |l|
+                if l =~ /total\.(.+?)=([\d\.]+)/
+                  name = $1
+                  value = $2.to_f
+                  if name =~ /\.avg$/ || name =~ /\.median$/ || name =~ /\.max$/ || name =~ /\.min$/
+                    ty = "gauge"
+                  else
+                    ty = "derive"
+                    value = value.to_i
                   end
-                }
+                  puts "PUTVAL dnscache/unbound/#{ty}-#{name} N:#{value}"
+                end
+              }
 
-              sleep 10
-            end
-          '';
-        in ''
-          Exec "collectd" "${pkgs.ruby}/bin/ruby" "${unboundScript}"
+            sleep 10
+          end
         '';
+      in ''
+        Exec "collectd" "${pkgs.ruby}/bin/ruby" "${unboundScript}"
+      '';
       network = ''
         Server "grafana.serv.zentralwerk.dn42" "25826"
       '';
diff --git a/hosts/containers/elastic/configuration.nix b/hosts/containers/elastic/configuration.nix
index bb16f1d0..6b1195a0 100644
--- a/hosts/containers/elastic/configuration.nix
+++ b/hosts/containers/elastic/configuration.nix
@@ -5,31 +5,28 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
+  imports = [
+    ../../../lib/lxc-container.nix
     ../../../lib/shared.nix
     ../../../lib/admins.nix
   ];
 
-  environment.systemPackages = with pkgs; [
-    vim
-  ];
+  environment.systemPackages = with pkgs; [ vim ];
 
   networking = {
     hostName = "elastic1";
-    interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.15"; prefixLength = 26; } ];
+    interfaces.eth0.ipv4.addresses = [{
+      address = "172.20.73.15";
+      prefixLength = 26;
+    }];
     defaultGateway = "172.20.73.1";
     firewall = {
-      allowedTCPPorts = [ 
-        22
-        9200
-        9300
-      ];
+      allowedTCPPorts = [ 22 9200 9300 ];
       enable = true;
     };
   };
 
-  nixpkgs.config.allowUnfree = true; 
+  nixpkgs.config.allowUnfree = true;
 
   services.openssh = {
     enable = true;
@@ -46,35 +43,33 @@
   systemd.services.elasticsearch.serviceConfig.Restart = "always";
 
   # does not work, needs to be set on hv (done through ansible)
-  boot.kernel.sysctl = {
-    "vm.max_map_count"="262144";
-  };
+  boot.kernel.sysctl = { "vm.max_map_count" = "262144"; };
 
   services.elasticsearch-curator = {
     enable = true;
     actionYAML = ''
-  ---
-  actions:
-    1:
-      action: delete_indices
-      description: >-
-        Delete indices older than 45 days (based on index name), for logstash-
-        prefixed indices. Ignore the error if the filter does not result in an
-        actionable list of indices (ignore_empty_list) and exit cleanly.
-      options:
-        ignore_empty_list: True
-        disable_action: False
-      filters:
-      - filtertype: pattern
-        kind: prefix
-        value: logstash-
-      - filtertype: age
-        source: name
-        direction: older
-        timestring: '%Y.%m.%d'
-        unit: days
-        unit_count: 45
-    '';
+      ---
+      actions:
+        1:
+          action: delete_indices
+          description: >-
+            Delete indices older than 45 days (based on index name), for logstash-
+            prefixed indices. Ignore the error if the filter does not result in an
+            actionable list of indices (ignore_empty_list) and exit cleanly.
+          options:
+            ignore_empty_list: True
+            disable_action: False
+          filters:
+          - filtertype: pattern
+            kind: prefix
+            value: logstash-
+          - filtertype: age
+            source: name
+            direction: older
+            timestring: '%Y.%m.%d'
+            unit: days
+            unit_count: 45
+        '';
   };
 
   system.stateVersion = "20.09"; # Did you read the comment?
diff --git a/hosts/containers/freifunk/configuration.nix b/hosts/containers/freifunk/configuration.nix
index f526e6d5..8616691b 100644
--- a/hosts/containers/freifunk/configuration.nix
+++ b/hosts/containers/freifunk/configuration.nix
@@ -12,9 +12,8 @@ let
   ddmeshAddrPart = "200.74";
   rt_table = 7;
   bmxd = import (toString <lib/pkgs/bmxd.nix>) { inherit pkgs; };
-  sysinfo-json = import <this-host/sysinfo-json.nix> {
-    inherit pkgs bmxd ddmeshNode;
-  };
+  sysinfo-json =
+    import <this-host/sysinfo-json.nix> { inherit pkgs bmxd ddmeshNode; };
 in {
   imports = [
     <nixpkgs/nixos/modules/profiles/minimal.nix>
@@ -78,23 +77,23 @@ in {
       "10-bmx" = {
         enable = true;
         matchConfig = { Name = meshInterface; };
-        addresses = [ {
+        addresses = [{
           addressConfig = {
             Address = "10.201.${ddmeshAddrPart}/16";
             Broadcast = "10.255.255.255";
           };
-        } ];
+        }];
       };
       # Dummy interface for primary (10.200) address
       "11-bmx-loopback" = {
         enable = true;
         matchConfig = { Name = meshLoopback; };
-        addresses = [ {
+        addresses = [{
           addressConfig = {
             Address = "10.200.${ddmeshAddrPart}/32";
             Broadcast = "10.255.255.255";
           };
-        } ];
+        }];
       };
       # ZW
       "20-core" = {
@@ -131,7 +130,7 @@ in {
           -g 500000/50000 \
           dev=bmx_prime /linklayer 0 \
           dev=${meshInterface} /linklayer 1
-        '';
+      '';
       Restart = "always";
     };
   };
@@ -141,7 +140,9 @@ in {
     script = ''
       ${pkgs.curl}/bin/curl \
         -o /tmp/ddmesh-registration.json \
-        '${ddmeshRegisterUrl}?registerkey=${ddmeshRegisterKey}&node=${toString ddmeshNode}'
+        '${ddmeshRegisterUrl}?registerkey=${ddmeshRegisterKey}&node=${
+          toString ddmeshNode
+        }'
     '';
     serviceConfig = {
       User = "nobody";
@@ -149,8 +150,8 @@ in {
     };
   };
   systemd.timers.ddmesh-register-node = {
-    partOf      = [ "ddmesh-register-node.service" ];
-    wantedBy    = [ "timers.target" ];
+    partOf = [ "ddmesh-register-node.service" ];
+    wantedBy = [ "timers.target" ];
     timerConfig.OnCalendar = "daily";
   };
 
@@ -162,8 +163,8 @@ in {
     '';
   };
   systemd.timers.sysinfo-json = {
-    partOf      = [ "sysinfo-json.service" ];
-    wantedBy    = [ "timers.target" ];
+    partOf = [ "sysinfo-json.service" ];
+    wantedBy = [ "timers.target" ];
     timerConfig.OnCalendar = "minutely";
   };
 
@@ -171,49 +172,49 @@ in {
   services.bird2 = {
     enable = true;
     config = ''
-        protocol kernel K4 {
-          ipv4 {
-            export all;
-          };
-        }
-        protocol kernel K6 {
-          ipv6 {
-            export all;
-          };
-        }
-        protocol device {
-          scan time 10;
-        }
+      protocol kernel K4 {
+        ipv4 {
+          export all;
+        };
+      }
+      protocol kernel K6 {
+        ipv6 {
+          export all;
+        };
+      }
+      protocol device {
+        scan time 10;
+      }
 
-        protocol ospf v2 ZW4 {
-          area 0 {
-            networks {
-              172.20.72.0/21;
-            };
-            stubnet 10.200.0.0/15;
-            interface "core" {
-              authentication cryptographic;
-              password "${import <secrets/shared/ospf/message-digest-key.nix>}";
-            };
+      protocol ospf v2 ZW4 {
+        area 0 {
+          networks {
+            172.20.72.0/21;
           };
-        }
-
-        protocol ospf v3 ZW6 {
-          area 0 {
-            networks {
-              fd23:42:c3d2:500::/56;
-              2a02:8106:208:5200::/56;
-              2a02:8106:211:e900::/56;
-            };
-            interface "core" {
-              #authentication cryptographic;
-              #password "${import <secrets/shared/ospf/message-digest-key.nix>}";
-            };
+          stubnet 10.200.0.0/15;
+          interface "core" {
+            authentication cryptographic;
+            password "${import <secrets/shared/ospf/message-digest-key.nix>}";
           };
-        }
+        };
+      }
 
-        router id ${coreAddress};
-      '';
+      protocol ospf v3 ZW6 {
+        area 0 {
+          networks {
+            fd23:42:c3d2:500::/56;
+            2a02:8106:208:5200::/56;
+            2a02:8106:211:e900::/56;
+          };
+          interface "core" {
+            #authentication cryptographic;
+            #password "${import <secrets/shared/ospf/message-digest-key.nix>}";
+          };
+        };
+      }
+
+      router id ${coreAddress};
+    '';
   };
 
   # HTTP Reverse Proxy to provide services into Freifunk
@@ -229,34 +230,37 @@ in {
       "c3d2.ffdd" = {
         default = true;
         root = <this-host/assets>;
-        locations =
-          let
-            sysinfo-json = {
-              alias = "/run/nginx/sysinfo.json";
-              extraConfig = ''
-                add_header Content-Type "application/json;charset=UTF-8";
-              '';
-            };
-          in {
-            "/" = {
-              index = "index.html";
-              extraConfig = ''
-                etag off;
-                add_header etag "\"${builtins.substring 11 32 (<this-host> + "/assets")}\"";
-              '';
-            };
-            "=/sysinfo-json.cgi" = sysinfo-json;
-            "=/sysinfo.json" = sysinfo-json;
+        locations = let
+          sysinfo-json = {
+            alias = "/run/nginx/sysinfo.json";
+            extraConfig = ''
+              add_header Content-Type "application/json;charset=UTF-8";
+            '';
           };
+        in {
+          "/" = {
+            index = "index.html";
+            extraConfig = ''
+              etag off;
+              add_header etag "\"${
+                builtins.substring 11 32 (<this-host> + "/assets")
+              }\"";
+            '';
+          };
+          "=/sysinfo-json.cgi" = sysinfo-json;
+          "=/sysinfo.json" = sysinfo-json;
+        };
       };
-      "storage.hq.c3d2.ffdd".locations."/".proxyPass = "http://storage.hq.c3d2.de/";
+      "storage.hq.c3d2.ffdd".locations."/".proxyPass =
+        "http://storage.hq.c3d2.de/";
       "grafana.hq.c3d2.ffdd".locations."/" = {
         proxyPass = "https://grafana.hq.c3d2.de/";
         extraConfig = ''
           proxy_ssl_server_name on;
         '';
       };
-      "influxdb.hq.c3d2.ffdd".locations."/".proxyPass = "http://grafana.hq.c3d2.de:8086/";
+      "influxdb.hq.c3d2.ffdd".locations."/".proxyPass =
+        "http://grafana.hq.c3d2.de:8086/";
     };
   };
 
diff --git a/hosts/containers/freifunk/sysinfo-json.nix b/hosts/containers/freifunk/sysinfo-json.nix
index d374b5a0..9b3bf94e 100644
--- a/hosts/containers/freifunk/sysinfo-json.nix
+++ b/hosts/containers/freifunk/sysinfo-json.nix
@@ -1,8 +1,6 @@
-{ pkgs ? import <nixpkgs> {},
-  ffdd-server ? builtins.fetchGit "https://github.com/Freifunk-Dresden/ffdd-server.git",
-  bmxd,
-  ddmeshNode,
-  ... }:
+{ pkgs ? import <nixpkgs> { }, ffdd-server ?
+  builtins.fetchGit "https://github.com/Freifunk-Dresden/ffdd-server.git", bmxd
+, ddmeshNode, ... }:
 
 with pkgs;
 let
@@ -18,8 +16,7 @@ let
     gps_longitude = "13.7285866";
     gps_altitude = "100";
   };
-in
-stdenv.mkDerivation {
+in stdenv.mkDerivation {
   name = "sysinfo-json";
   src = "${ffdd-server}/salt/freifunk/base/ddmesh/";
   buildPhase = ''
@@ -50,14 +47,21 @@ stdenv.mkDerivation {
       --replace '"node_type":"server"' '"node_type":"node"' \
       --replace ddmesh-ipcalc.sh $out/bin/ddmesh-ipcalc.sh \
       --replace lsb_release $out/bin/lsb_release \
-      --replace ${lib.strings.escapeShellArg "$(sudo /sbin/iptables -w -xvn -L stat_from_ovpn | awk '/RETURN/{print $2}')"} 0 \
-      --replace ${lib.strings.escapeShellArg "$(sudo /sbin/iptables -w -xvn -L stat_to_ovpn | awk '/RETURN/{print $2}')"} 0 \
+      --replace ${
+        lib.strings.escapeShellArg
+        "$(sudo /sbin/iptables -w -xvn -L stat_from_ovpn | awk '/RETURN/{print $2}')"
+      } 0 \
+      --replace ${
+        lib.strings.escapeShellArg
+        "$(sudo /sbin/iptables -w -xvn -L stat_to_ovpn | awk '/RETURN/{print $2}')"
+      } 0 \
       --replace 'nettype_lookup[$2]' '"lan"' \
       --replace awk ${gawk}/bin/awk
-  '' +
-  lib.strings.concatStrings (lib.attrsets.mapAttrsToList (
-    var: value: "substituteInPlace sysinfo-json.cgi --replace ${lib.strings.escapeShellArg "$(uci -qX get ffdd.sys.${var})"} '${value}'\n"
-  ) nvram);
+  '' + lib.strings.concatStrings (lib.attrsets.mapAttrsToList (var: value: ''
+    substituteInPlace sysinfo-json.cgi --replace ${
+      lib.strings.escapeShellArg "$(uci -qX get ffdd.sys.${var})"
+    } '${value}'
+  '') nvram);
   installPhase = ''
     pwd
     mkdir -p $out/bin
diff --git a/hosts/containers/grafana/configuration.nix b/hosts/containers/grafana/configuration.nix
index ad061778..d6f3daf9 100644
--- a/hosts/containers/grafana/configuration.nix
+++ b/hosts/containers/grafana/configuration.nix
@@ -15,7 +15,10 @@
 
   networking.hostName = "grafana";
   networking.useNetworkd = true;
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.43"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.43";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
 
   # http https influxdb
diff --git a/hosts/containers/kibana/configuration.nix b/hosts/containers/kibana/configuration.nix
index ce543d4c..1a0e8150 100644
--- a/hosts/containers/kibana/configuration.nix
+++ b/hosts/containers/kibana/configuration.nix
@@ -9,7 +9,10 @@
   ];
 
   networking.hostName = "kibana";
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.44"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.44";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
@@ -31,32 +34,30 @@
     acceptTerms = true;
     email = "mail@c3d2.de";
   };
-  services.nginx =
-    let
-      authFile = pkgs.writeText "htpasswd" "k-ot:sawCOTsl/fIUY";
-      vhost = url: {
-        forceSSL = true;
-        enableACME = true;
-        locations."/" = {
-          proxyPass = url;
-          extraConfig = ''
-            auth_basic "Chaos";
-            auth_basic_user_file ${authFile};
-          '';
-        };
-      };
-    in
-    {
-      enable = true;
-      recommendedGzipSettings = true;
-      recommendedProxySettings = true;
-      virtualHosts = {
-        "kibana.hq.c3d2.de" =
-          vhost "http://127.0.0.1:${toString config.services.kibana.port}";
-        "kibana-es.hq.c3d2.de" =
-          vhost "http://127.0.0.1:${toString config.services.elasticsearch.port}";
+  services.nginx = let
+    authFile = pkgs.writeText "htpasswd" "k-ot:sawCOTsl/fIUY";
+    vhost = url: {
+      forceSSL = true;
+      enableACME = true;
+      locations."/" = {
+        proxyPass = url;
+        extraConfig = ''
+          auth_basic "Chaos";
+          auth_basic_user_file ${authFile};
+        '';
       };
     };
+  in {
+    enable = true;
+    recommendedGzipSettings = true;
+    recommendedProxySettings = true;
+    virtualHosts = {
+      "kibana.hq.c3d2.de" =
+        vhost "http://127.0.0.1:${toString config.services.kibana.port}";
+      "kibana-es.hq.c3d2.de" =
+        vhost "http://127.0.0.1:${toString config.services.elasticsearch.port}";
+    };
+  };
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
diff --git a/hosts/containers/logging/configuration.nix b/hosts/containers/logging/configuration.nix
index badcdae2..3ba5599a 100644
--- a/hosts/containers/logging/configuration.nix
+++ b/hosts/containers/logging/configuration.nix
@@ -5,33 +5,24 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
+  imports = [
+    ../../../lib/lxc-container.nix
     ../../../lib/shared.nix
     ../../../lib/admins.nix
   ];
 
-  environment.systemPackages = with pkgs; [
-    vim
-  ];
+  environment.systemPackages = with pkgs; [ vim ];
 
   networking = {
     hostName = "logging";
-    interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.13"; prefixLength = 26; } ];
+    interfaces.eth0.ipv4.addresses = [{
+      address = "172.20.73.13";
+      prefixLength = 26;
+    }];
     defaultGateway = "172.20.73.1";
     firewall = {
-      allowedTCPPorts = [ 
-        22
-        9000
-        80
-        443
-        5044
-        12201
-        514
-      ];
-      allowedUDPPorts = [ 
-        514
-      ];
+      allowedTCPPorts = [ 22 9000 80 443 5044 12201 514 ];
+      allowedUDPPorts = [ 514 ];
       enable = false;
     };
     dhcpcd.denyInterfaces = [ "eth1" ];
@@ -53,28 +44,26 @@
   services.nginx = {
     enable = true;
     virtualHosts = {
-      default = {
-        locations = {
-          "/".proxyPass = "http://127.0.0.1:9000/";
-        };
-      };
+      default = { locations = { "/".proxyPass = "http://127.0.0.1:9000/"; }; };
     };
   };
 
   services.graylog = {
     enable = true;
-    passwordSecret = "SDwK3ug9U4gYSVtj3h22i0l57QO6p5RE58sNehAgU3vXgqGa2HuNyhL19vhoUKFqy28rqGfDQkRD5834NqPi5wLsy8H1hz5V";
+    passwordSecret =
+      "SDwK3ug9U4gYSVtj3h22i0l57QO6p5RE58sNehAgU3vXgqGa2HuNyhL19vhoUKFqy28rqGfDQkRD5834NqPi5wLsy8H1hz5V";
     # mongo.serv.zentralwerk. ?
     elasticsearchHosts = [ "http://elastic1.serv.zentralwerk.org:9200" ];
-    rootPasswordSha2 = "3e784172684dcd89d66175b8719cd7894cc96b454ef1d5aa74bd92b3c57da7cd";
+    rootPasswordSha2 =
+      "3e784172684dcd89d66175b8719cd7894cc96b454ef1d5aa74bd92b3c57da7cd";
     # mongo.serv.zentralwerk. ?
     mongodbUri = "mongodb://mongo.serv.zentralwerk.org/graylog";
     extraConfig = ''
-    http_bind_address = 0.0.0.0:9000
-    http_publish_uri = http://logging.serv.zentralwerk.org/
-    elasticsearch_shards = 1
-    allow_highlighting = true
-    allow_leading_wildcard_searches = true
+      http_bind_address = 0.0.0.0:9000
+      http_publish_uri = http://logging.serv.zentralwerk.org/
+      elasticsearch_shards = 1
+      allow_highlighting = true
+      allow_leading_wildcard_searches = true
     '';
     user = "root";
   };
diff --git a/hosts/containers/lxc-template.nix b/hosts/containers/lxc-template.nix
index dbb6ba58..e1c9f070 100644
--- a/hosts/containers/lxc-template.nix
+++ b/hosts/containers/lxc-template.nix
@@ -22,9 +22,7 @@
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    wget vim
-  ];
+  environment.systemPackages = with pkgs; [ wget vim ];
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
diff --git a/hosts/containers/mongo/configuration.nix b/hosts/containers/mongo/configuration.nix
index 8a0e334e..1e69833e 100644
--- a/hosts/containers/mongo/configuration.nix
+++ b/hosts/containers/mongo/configuration.nix
@@ -5,26 +5,23 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
+  imports = [
+    ../../../lib/lxc-container.nix
     ../../../lib/shared.nix
     ../../../lib/admins.nix
   ];
 
-  environment.systemPackages = with pkgs; [
-    vim
-    mongodb-tools
-  ];
+  environment.systemPackages = with pkgs; [ vim mongodb-tools ];
 
   networking = {
     hostName = "mongo";
-    interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.21"; prefixLength = 26; } ];
+    interfaces.eth0.ipv4.addresses = [{
+      address = "172.20.73.21";
+      prefixLength = 26;
+    }];
     defaultGateway = "172.20.73.1";
     firewall = {
-      allowedTCPPorts = [ 
-        22
-        27017
-      ];
+      allowedTCPPorts = [ 22 27017 ];
       enable = true;
     };
   };
diff --git a/hosts/containers/mucbot/configuration.nix b/hosts/containers/mucbot/configuration.nix
index 32b073e0..0aa29266 100644
--- a/hosts/containers/mucbot/configuration.nix
+++ b/hosts/containers/mucbot/configuration.nix
@@ -1,34 +1,39 @@
 { config, pkgs, lib, ... }:
 
 let
-  tiggerGit = builtins.fetchTarball https://github.com/astro/tigger/archive/master.tar.gz;
-in
-{
-  imports =
-    [ ../../../lib/lxc-container.nix
-      ../../../lib/shared.nix
-      ../../../lib/admins.nix
-      "${tiggerGit}/module.nix"
-    ];
+  tiggerGit = builtins.fetchTarball
+    "https://github.com/astro/tigger/archive/master.tar.gz";
+in {
+  imports = [
+    ../../../lib/lxc-container.nix
+    ../../../lib/shared.nix
+    ../../../lib/admins.nix
+    "${tiggerGit}/module.nix"
+  ];
 
   networking.hostName = "mucbot";
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.27"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.27";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
-  networking.nameservers = [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
+  networking.nameservers =
+    [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
 
   users.users.tigger = {
     createHome = true;
     isNormalUser = true;
     group = "tigger";
   };
-  users.groups.tigger = {};
+  users.groups.tigger = { };
   services.tigger = {
     enable = true;
     user = "tigger";
     group = "tigger";
     jid = import ../../../secrets/hosts/mucbot/jabber-jid.nix;
     password = import ../../../secrets/hosts/mucbot/jabber-password.nix;
-    mucs = [ "c3d2@chat.c3d2.de/Astrobot" "international@chat.c3d2.de/Astrobot" ];
+    mucs =
+      [ "c3d2@chat.c3d2.de/Astrobot" "international@chat.c3d2.de/Astrobot" ];
   };
 
   # This value determines the NixOS release with which your system is to be
diff --git a/hosts/containers/prometheus/configuration.nix b/hosts/containers/prometheus/configuration.nix
index bbf693a3..fd1f0068 100644
--- a/hosts/containers/prometheus/configuration.nix
+++ b/hosts/containers/prometheus/configuration.nix
@@ -5,28 +5,18 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
+  imports = [
+    ../../../lib/lxc-container.nix
     ../../../lib/shared.nix
     ../../../lib/admins.nix
   ];
 
-  environment.systemPackages = with pkgs; [
-    vim
-  ];
+  environment.systemPackages = with pkgs; [ vim ];
 
   networking = {
     hostName = "prometheus";
     firewall = {
-      allowedTCPPorts = [ 
-        22
-        80
-        443
-        9090
-        9091
-        9093
-        9094
-      ];
+      allowedTCPPorts = [ 22 80 443 9090 9091 9093 9094 ];
       enable = true;
     };
   };
@@ -51,23 +41,21 @@
           "repeat_interval" = "4h";
           "receiver" = "team-admins";
         };
-        "receivers" = [
-          {
-            "name" = "team-admins";
-            # "email_configs" = [
-            #   {
-            #     "to" = "devnull@example.com";
-            #     "send_resolved" = true;
-            #   }
-            # ];
-            # "webhook_configs" = [
-            #   {
-            #     "url" = "https://example.com/prometheus-alerts";
-            #     "send_resolved" = true;
-            #   }
-            # ];
-          }
-        ];
+        "receivers" = [{
+          "name" = "team-admins";
+          # "email_configs" = [
+          #   {
+          #     "to" = "devnull@example.com";
+          #     "send_resolved" = true;
+          #   }
+          # ];
+          # "webhook_configs" = [
+          #   {
+          #     "url" = "https://example.com/prometheus-alerts";
+          #     "send_resolved" = true;
+          #   }
+          # ];
+        }];
       };
     };
 
@@ -75,12 +63,12 @@
 
     pushgateway = {
       enable = true;
-      web.external-url =  "http://prometheus.serv.zentralwerk.org/push/";
+      web.external-url = "http://prometheus.serv.zentralwerk.org/push/";
     };
 
     exporters.collectd.enable = true;
     exporters.collectd.openFirewall = true;
-    
+
     exporters.nginx.enable = true;
     exporters.nginx.openFirewall = true;
 
diff --git a/hosts/containers/public-access-proxy/configuration.nix b/hosts/containers/public-access-proxy/configuration.nix
index 8d75a5c1..d99de8cb 100644
--- a/hosts/containers/public-access-proxy/configuration.nix
+++ b/hosts/containers/public-access-proxy/configuration.nix
@@ -5,17 +5,20 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
-      ../../../lib/shared.nix
-      ../../../lib/admins.nix
-      ./proxy.nix
-    ];
+  imports = [
+    ../../../lib/lxc-container.nix
+    ../../../lib/shared.nix
+    ../../../lib/admins.nix
+    ./proxy.nix
+  ];
 
   networking.hostName = "public-access-proxy";
   networking.useNetworkd = true;
   networking.interfaces.eth0 = {
-    ipv4.addresses = [ { address = "172.20.73.45"; prefixLength = 26; } ];
+    ipv4.addresses = [{
+      address = "172.20.73.45";
+      prefixLength = 26;
+    }];
   };
   networking.defaultGateway = "172.20.73.1";
 
@@ -24,35 +27,55 @@
     proxyHosts = [
       {
         hostNames = [ "cloud.bombenverleih.de" "unifi.arkom.men" ];
-        proxyTo = { host = "172.22.99.192"; httpPort = 80; httpsPort = 443; };
+        proxyTo = {
+          host = "172.22.99.192";
+          httpPort = 80;
+          httpsPort = 443;
+        };
       }
       {
         hostNames = [ "grafana.hq.c3d2.de" ];
-        proxyTo = { host = "grafana.serv.zentralwerk.dn42"; httpPort = 80; httpsPort = 443; };
+        proxyTo = {
+          host = "grafana.serv.zentralwerk.dn42";
+          httpPort = 80;
+          httpsPort = 443;
+        };
       }
       {
         hostNames = [ "kibana.hq.c3d2.de" "kibana-es.hq.c3d2.de" ];
-        proxyTo = { host = "kibana.serv.zentralwerk.dn42"; httpPort = 80; httpsPort = 443; };
+        proxyTo = {
+          host = "kibana.serv.zentralwerk.dn42";
+          httpPort = 80;
+          httpsPort = 443;
+        };
       }
       {
         hostNames = [ "robo1.hq.c3d2.de" ];
-        proxyTo = { host = "172.20.79.62"; httpPort = 80; };
+        proxyTo = {
+          host = "172.20.79.62";
+          httpPort = 80;
+        };
       }
       {
         hostNames = [ "robots.datenspuren.de" ];
-        proxyTo = { host = "172.22.99.170"; httpPort = 80; httpsPort = 443; };
+        proxyTo = {
+          host = "172.22.99.170";
+          httpPort = 80;
+          httpsPort = 443;
+        };
       }
       {
         hostNames = [ "error.hq.c3d2.de" ];
-        proxyTo = { host = "172.20.73.47"; httpPort = 80; httpsPort = 443; };
+        proxyTo = {
+          host = "172.20.73.47";
+          httpPort = 80;
+          httpsPort = 443;
+        };
       }
     ];
   };
 
-  networking.firewall.allowedTCPPorts = [ 
-    80
-    443
-   ];
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
 
   system.stateVersion = "18.09"; # Did you read the comment?
 
diff --git a/hosts/containers/public-access-proxy/proxy.nix b/hosts/containers/public-access-proxy/proxy.nix
index f0caa18a..8f035fc4 100644
--- a/hosts/containers/public-access-proxy/proxy.nix
+++ b/hosts/containers/public-access-proxy/proxy.nix
@@ -1,8 +1,7 @@
 { config, lib, pkgs, ... }:
 
 with lib;
-let
-  cfg = config.my.services.proxy;
+let cfg = config.my.services.proxy;
 
 in {
 
@@ -15,58 +14,59 @@ in {
     };
 
     proxyHosts = mkOption {
-      type = types.listOf (types.submodule (
-        {
-          options = {
-            hostNames = mkOption {
-              type = types.listOf types.str;
-              default = [];
-              description = ''
-                Proxy these hostNames.
-              '';
-            };
-            proxyTo = mkOption {
-              type = types.submodule (
-                {
-                  options = {
-                    host = mkOption {
-                      type = types.nullOr types.string;
-                      default = null;
-                      description = ''
-                        Host to forward traffic to.
-                        Any hostname may only be used once
-                      '';
-                    };
-                    httpPort = mkOption {
-                      type = types.int;
-                      default = 80;
-                      description = ''
-                        Port to forward http to.
-                      '';
-                    };
-                    httpsPort = mkOption {
-                      type = types.int;
-                      default = 443;
-                      description = ''
-                        Port to forward http to.
-                      '';
-                    };
-                  };
-                });
-              description = ''
-                { host = /* ip or fqdn */; httpPort = 80; httpsPort = 443; } to proxy to
-              '';
-              default = {};
-            };
+      type = types.listOf (types.submodule ({
+        options = {
+          hostNames = mkOption {
+            type = types.listOf types.str;
+            default = [ ];
+            description = ''
+              Proxy these hostNames.
+            '';
           };
+          proxyTo = mkOption {
+            type = types.submodule ({
+              options = {
+                host = mkOption {
+                  type = types.nullOr types.string;
+                  default = null;
+                  description = ''
+                    Host to forward traffic to.
+                    Any hostname may only be used once
+                  '';
+                };
+                httpPort = mkOption {
+                  type = types.int;
+                  default = 80;
+                  description = ''
+                    Port to forward http to.
+                  '';
+                };
+                httpsPort = mkOption {
+                  type = types.int;
+                  default = 443;
+                  description = ''
+                    Port to forward http to.
+                  '';
+                };
+              };
+            });
+            description = ''
+              { host = /* ip or fqdn */; httpPort = 80; httpsPort = 443; } to proxy to
+            '';
+            default = { };
+          };
+        };
 
-        }));
-      default = [];
-      example = [
-        { hostNames = [ "test.hq.c3d2.de" "test.c3d2.de" ];
-          proxyTo = { host = "172.22.99.99"; httpPort = 80; httpsPort = 443; };
-        }
-      ];
+      }));
+      default = [ ];
+      example = [{
+        hostNames = [ "test.hq.c3d2.de" "test.c3d2.de" ];
+        proxyTo = {
+          host = "172.22.99.99";
+          httpPort = 80;
+          httpsPort = 443;
+        };
+      }];
     };
 
   };
@@ -81,7 +81,7 @@ in {
           timeout client 30000
           option http-keep-alive
           default_backend proxy-backend-http
-  
+
         backend proxy-backend-http
           timeout connect 5000
           timeout check 5000
@@ -91,15 +91,16 @@ in {
           option forwardfor
           http-request set-header X-Forwarded-Proto http
           http-request set-header X-Forwarded-Port 80
-          ${concatMapStringsSep "\n" (proxyHost:
-            optionalString (proxyHost.hostNames != [] && proxyHost.proxyTo.host != null) (
-              concatMapStringsSep "\n" (hostname: ''
+          ${
+            concatMapStringsSep "\n" (proxyHost:
+              optionalString
+              (proxyHost.hostNames != [ ] && proxyHost.proxyTo.host != null)
+              (concatMapStringsSep "\n" (hostname: ''
                 use-server ${hostname}-http if { req.hdr(host) -i ${hostname} }
-                server ${hostname}-http ${proxyHost.proxyTo.host}:${toString proxyHost.proxyTo.httpPort}
-              ''
-              ) (proxyHost.hostNames)
-            )
-          ) (cfg.proxyHosts)
+                server ${hostname}-http ${proxyHost.proxyTo.host}:${
+                  toString proxyHost.proxyTo.httpPort
+                }
+              '') (proxyHost.hostNames))) (cfg.proxyHosts)
           }
 
         frontend https-in
@@ -114,15 +115,16 @@ in {
           option http-server-close
           http-request set-header X-Forwarded-Proto https
           http-request set-header X-Forwarded-Port 443
-          ${concatMapStringsSep "\n" (proxyHost:
-            optionalString (proxyHost.hostNames != [] && proxyHost.proxyTo.host != null) (
-              concatMapStringsSep "\n" (hostname: ''
+          ${
+            concatMapStringsSep "\n" (proxyHost:
+              optionalString
+              (proxyHost.hostNames != [ ] && proxyHost.proxyTo.host != null)
+              (concatMapStringsSep "\n" (hostname: ''
                 use-server ${hostname}-https if { req.ssl_sni -i ${hostname} }
-                server ${hostname}-https ${proxyHost.proxyTo.host}:${toString proxyHost.proxyTo.httpsPort}
-              ''
-              ) (proxyHost.hostNames)
-            )
-          ) (cfg.proxyHosts)
+                server ${hostname}-https ${proxyHost.proxyTo.host}:${
+                  toString proxyHost.proxyTo.httpsPort
+                }
+              '') (proxyHost.hostNames))) (cfg.proxyHosts)
           }
       '';
     };
diff --git a/hosts/containers/registry/configuration.nix b/hosts/containers/registry/configuration.nix
index 650a4347..14d5bbf8 100644
--- a/hosts/containers/registry/configuration.nix
+++ b/hosts/containers/registry/configuration.nix
@@ -5,8 +5,8 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports =
-    [ ../../../lib/lxc-container.nix
+  imports = [
+    ../../../lib/lxc-container.nix
     ../../../lib/shared.nix
     ../../../lib/admins.nix
   ];
@@ -15,43 +15,34 @@
     hostName = "registry";
     # usePredictableInterfacenames = false;
     interfaces.eth0.ipv4.addresses = [{
-        address = "172.22.99.34";
-        prefixLength = 24;
+      address = "172.22.99.34";
+      prefixLength = 24;
     }];
     interfaces.eth0.ipv6.addresses = [{
-        address= "2a02:8106:208:5201::34";
-        prefixLength = 64;
+      address = "2a02:8106:208:5201::34";
+      prefixLength = 64;
     }];
 
     dhcpcd.denyInterfaces = [ "eth0" ];
 
     defaultGateway = {
-       address = "172.22.99.1";
-       interface = "eth0";
-       metric = 10;
+      address = "172.22.99.1";
+      interface = "eth0";
+      metric = 10;
     };
     #defaultGateway6 = {
     #  address = "fe80::a800:42ff:fe7a:3246";
     #  interface = "ens18";
     #};
   };
-  
-  # Open ports in the firewall.
-  networking.firewall.allowedTCPPorts = [
-    22
-    80
-    443
-    5000
-   ]; 
 
+  # Open ports in the firewall.
+  networking.firewall.allowedTCPPorts = [ 22 80 443 5000 ];
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    wget
-    vim
-  ];
-  
+  environment.systemPackages = with pkgs; [ wget vim ];
+
   services.dockerRegistry = {
     enable = true;
     storagePath = "/srv/docker-registry";
@@ -81,4 +72,3 @@
   system.stateVersion = "19.03"; # Did you read the comment?
 }
 
-
diff --git a/hosts/containers/scrape/configuration.nix b/hosts/containers/scrape/configuration.nix
index e1aa115e..f5d805c6 100644
--- a/hosts/containers/scrape/configuration.nix
+++ b/hosts/containers/scrape/configuration.nix
@@ -24,77 +24,77 @@ in {
     enableHail = false;
   };
 
-
   networking.hostName = "scrape";
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.32"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.32";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
 
   # Required for krops
   services.openssh.enable = true;
   environment.systemPackages = [ pkgs.git ];
 
-  systemd.services =
-    let
-      scrapers = import (
-        builtins.fetchGit { url = "https://gitea.c3d2.de/astro/scrapers.git"; }
-      ) {
-        inherit pkgs;
+  systemd.services = let
+    scrapers = import (builtins.fetchGit {
+      url = "https://gitea.c3d2.de/astro/scrapers.git";
+    }) { inherit pkgs; };
+    makeService = { script, host, user ? "", password ? "" }: {
+      script =
+        "${scrapers.${script}}/bin/${script} ${host} ${user} ${password}";
+    };
+    xeriLogin = import <secrets/hosts/scrape/xeri.nix>;
+    fhemLogin = import <secrets/hosts/scrape/fhem.nix>;
+    matematLogin = import <secrets/hosts/scrape/matemat.nix>;
+    makeNodeScraper = nodeId: {
+      name = "scrape-node${nodeId}";
+      value = makeService {
+        script = "freifunk_node";
+        host = freifunkNodes.${nodeId};
       };
-      makeService = { script, host, user ? "", password ? "" }: {
-        script = "${scrapers.${script}}/bin/${script} ${host} ${user} ${password}";
-      };
-      xeriLogin = import <secrets/hosts/scrape/xeri.nix>;
-      fhemLogin = import <secrets/hosts/scrape/fhem.nix>;
-      matematLogin = import <secrets/hosts/scrape/matemat.nix>;
-      makeNodeScraper = nodeId: {
-        name = "scrape-node${nodeId}";
-        value = makeService {
-          script = "freifunk_node";
-          host = freifunkNodes.${nodeId};
-        };
-      };
-    in {
-      scrape-xeri = makeService {
-        script = "xerox";
-        host = "xeri.hq.c3d2.de";
-        inherit (xeriLogin) user password;
-      };
-      scrape-roxi = makeService {
-        script = "xerox";
-        host = "roxi.hq.c3d2.de";
-      };
-      scrape-fhem = makeService {
-        script = "fhem";
-        host = "fhem.hq.c3d2.de";
-        inherit (fhemLogin) user password;
-      };
-      scrape-matemat = makeService {
-        script = "matemat";
-        host = "matemat.hq.c3d2.de";
-        inherit (matematLogin) user password;
-      };
-    } // builtins.listToAttrs (map makeNodeScraper (builtins.attrNames freifunkNodes));
+    };
+  in {
+    scrape-xeri = makeService {
+      script = "xerox";
+      host = "xeri.hq.c3d2.de";
+      inherit (xeriLogin) user password;
+    };
+    scrape-roxi = makeService {
+      script = "xerox";
+      host = "roxi.hq.c3d2.de";
+    };
+    scrape-fhem = makeService {
+      script = "fhem";
+      host = "fhem.hq.c3d2.de";
+      inherit (fhemLogin) user password;
+    };
+    scrape-matemat = makeService {
+      script = "matemat";
+      host = "matemat.hq.c3d2.de";
+      inherit (matematLogin) user password;
+    };
+  } // builtins.listToAttrs
+  (map makeNodeScraper (builtins.attrNames freifunkNodes));
 
-  systemd.timers =
-    let
-      makeTimer = service: interval: {
-        partOf      = [ "${service}.service" ];
-        wantedBy    = [ "timers.target" ];
-        timerConfig.OnCalendar = interval;
+  systemd.timers = let
+    makeTimer = service: interval: {
+      partOf = [ "${service}.service" ];
+      wantedBy = [ "timers.target" ];
+      timerConfig.OnCalendar = interval;
+    };
+    makeNodeScraperTimer = nodeId:
+      let name = "scrape-node${nodeId}";
+      in {
+        inherit name;
+        value = makeTimer name "minutely";
       };
-      makeNodeScraperTimer = nodeId:
-        let
-          name = "scrape-node${nodeId}";
-        in {
-          inherit name;
-          value = makeTimer name "minutely";
-        };
-    in {
-      scrape-xeri = makeTimer "scrape-xeri.service" "minutely";
-      scrape-roxi = makeTimer "scrape-roxi.service" "minutely";
-      scrape-fhem = makeTimer "scrape-fhem.service" "minutely";
-      scrape-matemat = makeTimer "scrape-matemat.service" "minutely";
-    } // builtins.listToAttrs (map makeNodeScraperTimer (builtins.attrNames freifunkNodes));
+  in {
+    scrape-xeri = makeTimer "scrape-xeri.service" "minutely";
+    scrape-roxi = makeTimer "scrape-roxi.service" "minutely";
+    scrape-fhem = makeTimer "scrape-fhem.service" "minutely";
+    scrape-matemat = makeTimer "scrape-matemat.service" "minutely";
+  } // builtins.listToAttrs
+  (map makeNodeScraperTimer (builtins.attrNames freifunkNodes));
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
diff --git a/hosts/containers/spaceapi/configuration.nix b/hosts/containers/spaceapi/configuration.nix
index 9aa7b5e1..053f6e65 100644
--- a/hosts/containers/spaceapi/configuration.nix
+++ b/hosts/containers/spaceapi/configuration.nix
@@ -1,24 +1,23 @@
 { config, pkgs, lib, ... }:
 
-let
-  spacemsgGit = builtins.fetchGit https://github.com/astro/spacemsg.git;
-in
-{
-  imports =
-    [ ../../../lib/lxc-container.nix
-      ../../../lib/shared.nix
-      ../../../lib/admins.nix
-      "${spacemsgGit}/spaceapi/module.nix"
-    ];
+let spacemsgGit = builtins.fetchGit "https://github.com/astro/spacemsg.git";
+in {
+  imports = [
+    ../../../lib/lxc-container.nix
+    ../../../lib/shared.nix
+    ../../../lib/admins.nix
+    "${spacemsgGit}/spaceapi/module.nix"
+  ];
 
   networking.hostName = "spaceapi";
-  networking.interfaces.eth0.ipv4.addresses = [ { address = "172.20.73.25"; prefixLength = 26; } ];
+  networking.interfaces.eth0.ipv4.addresses = [{
+    address = "172.20.73.25";
+    prefixLength = 26;
+  }];
   networking.defaultGateway = "172.20.73.1";
   networking.firewall.enable = false;
 
-  services.spaceapi = {
-    enable = true;
-  };
+  services.spaceapi = { enable = true; };
 
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
diff --git a/hosts/glotzbert/configuration.nix b/hosts/glotzbert/configuration.nix
index daad353e..9ad04245 100644
--- a/hosts/glotzbert/configuration.nix
+++ b/hosts/glotzbert/configuration.nix
@@ -44,9 +44,15 @@
   # List packages installed in system profile. To search, run:
   # $ nix search wget
   environment.systemPackages = with pkgs; [
-    wget vim git tmux screen
-    chromium firefox
-    mpv kodi
+    wget
+    vim
+    git
+    tmux
+    screen
+    chromium
+    firefox
+    mpv
+    kodi
   ];
 
   systemd.user.services.x11vnc = {
@@ -108,9 +114,7 @@
   services.xserver.xkbOptions = "eurosign:e";
 
   services.xserver.displayManager = {
-    lightdm = {
-      enable = true;
-    };
+    lightdm = { enable = true; };
     autoLogin = {
       enable = true;
       user = "k-ot";
diff --git a/hosts/glotzbert/hardware-configuration.nix b/hosts/glotzbert/hardware-configuration.nix
index c61b5897..36ef9b1e 100644
--- a/hosts/glotzbert/hardware-configuration.nix
+++ b/hosts/glotzbert/hardware-configuration.nix
@@ -6,19 +6,20 @@
 {
   imports = [ (modulesPath + "/installer/scan/not-detected.nix") ];
 
-  boot.initrd.availableKernelModules = [ "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.availableKernelModules =
+    [ "ehci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
   boot.kernelModules = [ "kvm-intel" ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-uuid/3a8ddd25-0c5d-4fec-b957-bdcea1c52db4";
-      fsType = "ext4";
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/3a8ddd25-0c5d-4fec-b957-bdcea1c52db4";
+    fsType = "ext4";
+  };
 
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/6490-45A0";
-      fsType = "vfat";
-    };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/6490-45A0";
+    fsType = "vfat";
+  };
 
   swapDevices = [ ];
 
diff --git a/hosts/hydra/configuration.nix b/hosts/hydra/configuration.nix
index 4b7116cd..149603e1 100644
--- a/hosts/hydra/configuration.nix
+++ b/hosts/hydra/configuration.nix
@@ -1,11 +1,7 @@
 { config, pkgs, lib, ... }:
 
 {
-  imports = [
-    ./hydra.nix
-    ./cache.nix
-    ../../lib
-  ];
+  imports = [ ./hydra.nix ./cache.nix ../../lib ];
 
   c3d2 = {
     users = {
diff --git a/hosts/hydra/hydra.nix b/hosts/hydra/hydra.nix
index 7e4580bb..abb04a9d 100644
--- a/hosts/hydra/hydra.nix
+++ b/hosts/hydra/hydra.nix
@@ -2,10 +2,8 @@
 
 {
   nix = {
-    binaryCaches = [
-      "https://cache.nixos.org"
-      "https://genodepkgs.cachix.org"
-    ];
+    binaryCaches =
+      [ "https://cache.nixos.org" "https://genodepkgs.cachix.org" ];
     binaryCachePublicKeys = [
       "genodepkgs.cachix.org-1:j6xcYrUP9Q9c+WbS+MbkJR26cqeytOVdC4SmhOYj2Sw="
     ];
diff --git a/hosts/inbert-containers/ticker/configuration.nix b/hosts/inbert-containers/ticker/configuration.nix
index c9ff71f2..4f9b1a50 100644
--- a/hosts/inbert-containers/ticker/configuration.nix
+++ b/hosts/inbert-containers/ticker/configuration.nix
@@ -3,11 +3,10 @@
 with lib;
 
 let
-  tickerSrc = builtins.fetchGit {
-    url = "https://gitea.c3d2.de/astro/ticker.git";
-  };
-in
-{ boot.isContainer = true;
+  tickerSrc =
+    builtins.fetchGit { url = "https://gitea.c3d2.de/astro/ticker.git"; };
+in {
+  boot.isContainer = true;
   #boot.loader.initScript.enable = true;
   networking.hostName = mkDefault "ticker";
   networking.useDHCP = false;
@@ -38,7 +37,8 @@ in
       color = "#FF3F3F";
     };
     hicknhack = {
-      url = "https://www.google.com/calendar/ical/grhnk1uaotql6gv2dkf9ldmqjc%40group.calendar.google.com/public/basic.ics";
+      url =
+        "https://www.google.com/calendar/ical/grhnk1uaotql6gv2dkf9ldmqjc%40group.calendar.google.com/public/basic.ics";
       color = "#A700A7";
     };
     palaissommer = {
@@ -58,15 +58,18 @@ in
       color = "#FF7F00";
     };
     rosenwerk-home = {
-      url = "https://www.google.com/calendar/ical/bj85d742g31mgkblbaiusmk3s8%40group.calendar.google.com/public/basic.ics";
+      url =
+        "https://www.google.com/calendar/ical/bj85d742g31mgkblbaiusmk3s8%40group.calendar.google.com/public/basic.ics";
       color = "#BF003F";
     };
     rosenwerk-extern = {
-      url = "https://www.google.com/calendar/ical/ogo94kraeq5ckmu3jsr0uus2mo%40group.calendar.google.com/private-8d048bfa99cca84705ffa675aacfe22a/basic.ics";
+      url =
+        "https://www.google.com/calendar/ical/ogo94kraeq5ckmu3jsr0uus2mo%40group.calendar.google.com/private-8d048bfa99cca84705ffa675aacfe22a/basic.ics";
       color = "#BF002F";
     };
     rosenwerk-kultur = {
-      url = "https://www.google.com/calendar/ical/93enn926ddhgr79hnqp83ipj3g%40group.calendar.google.com/public/basic.ics";
+      url =
+        "https://www.google.com/calendar/ical/93enn926ddhgr79hnqp83ipj3g%40group.calendar.google.com/public/basic.ics";
       color = "#BF001F";
     };
     haengemathe = {
diff --git a/hosts/pulsebert/configuration.nix b/hosts/pulsebert/configuration.nix
index d43cd6cc..fc2afc4d 100644
--- a/hosts/pulsebert/configuration.nix
+++ b/hosts/pulsebert/configuration.nix
@@ -7,15 +7,18 @@
 let
   octoprintPort = 8080;
   espCam = "http://172.20.78.164:81";
-in
-{
+in {
   imports = [ # Include the results of the hardware scan.
     <this-host/hardware-configuration.nix>
   ];
 
   boot.loader.grub.enable = false;
   boot.loader.generic-extlinux-compatible.enable = false;
-  boot.loader.raspberryPi = { enable = true; version = 4; uboot.enable = false; };
+  boot.loader.raspberryPi = {
+    enable = true;
+    version = 4;
+    uboot.enable = false;
+  };
   #boot.kernelPackages = pkgs.linuxPackages_rpi4;
   boot.kernelPackages = pkgs.linuxPackages_latest;
 
@@ -49,10 +52,7 @@ in
 
   # List packages installed in system profile. To search, run:
   # $ nix search wget
-  environment.systemPackages = with pkgs; [
-    wget vim git
-    raspberrypi-tools
-  ];
+  environment.systemPackages = with pkgs; [ wget vim git raspberrypi-tools ];
 
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
@@ -83,7 +83,6 @@ in
     extraGroups = [ "wheel" "audio" ];
   };
 
-
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];
@@ -111,10 +110,13 @@ in
     systemWide = true;
     tcp.enable = true;
     tcp.anonymousClients.allowedIpRanges = [
-      "127.0.0.0/8" "::1/128"
+      "127.0.0.0/8"
+      "::1/128"
       "fd23:42:c3d2:500::/56"
-      "172.22.99.0/24" "2a02:8106:208:5200::/56"
-      "172.20.72.0/21" "2a02:8106:211:e900::/56"
+      "172.22.99.0/24"
+      "2a02:8106:208:5200::/56"
+      "172.20.72.0/21"
+      "2a02:8106:211:e900::/56"
     ];
     zeroconf.publish.enable = true;
     package = pkgs.pulseaudioFull;
@@ -190,11 +192,11 @@ in
   };
 
   # Allow access to printer serial port and GPIO
-  users.users.${config.services.octoprint.user}.extraGroups = [ "dialout" "gpio" ];
+  users.users.${config.services.octoprint.user}.extraGroups =
+    [ "dialout" "gpio" ];
 
   systemd.services.mjpeg-stream =
-    let
-      mjpeg-proxy = pkgs.callPackage <lib/pkgs/mjpeg-proxy.nix> {};
+    let mjpeg-proxy = pkgs.callPackage <lib/pkgs/mjpeg-proxy.nix> { };
     in {
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" ];
diff --git a/hosts/pulsebert/hardware-configuration.nix b/hosts/pulsebert/hardware-configuration.nix
index f6bbb311..f6c0d84f 100644
--- a/hosts/pulsebert/hardware-configuration.nix
+++ b/hosts/pulsebert/hardware-configuration.nix
@@ -12,19 +12,17 @@
   boot.initrd.kernelModules = [ ];
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
-  boot.kernelParams = [
-    "snd_bcm2835.enable_headphones=1"
-  ];
+  boot.kernelParams = [ "snd_bcm2835.enable_headphones=1" ];
 
-  fileSystems."/" =
-    { device = "/dev/disk/by-label/NIXOS_SD";
-      fsType = "ext4";
-    };
+  fileSystems."/" = {
+    device = "/dev/disk/by-label/NIXOS_SD";
+    fsType = "ext4";
+  };
 
-  fileSystems."/boot" =
-    { device = "/dev/disk/by-label/FIRMWARE";
-      fsType = "vfat";
-    };
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-label/FIRMWARE";
+    fsType = "vfat";
+  };
 
   swapDevices = [ ];
 
diff --git a/hosts/storage-ng/configuration.nix b/hosts/storage-ng/configuration.nix
index a6c3c378..3e6a450a 100644
--- a/hosts/storage-ng/configuration.nix
+++ b/hosts/storage-ng/configuration.nix
@@ -100,8 +100,8 @@ in {
 
   # Enable the OpenSSH daemon.
   services.openssh = {
-      enable = true;
-      allowSFTP = true;
+    enable = true;
+    allowSFTP = true;
   };
 
   services.atftpd = {
diff --git a/hosts/storage-ng/hardware-configuration.nix b/hosts/storage-ng/hardware-configuration.nix
index efaee99a..2ba0db25 100644
--- a/hosts/storage-ng/hardware-configuration.nix
+++ b/hosts/storage-ng/hardware-configuration.nix
@@ -4,27 +4,24 @@
 { config, lib, pkgs, ... }:
 
 {
-  imports =
-    [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix>
-    ];
+  imports = [ <nixpkgs/nixos/modules/profiles/qemu-guest.nix> ];
 
-  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "sr_mod" "virtio_blk" ];
+  boot.initrd.availableKernelModules =
+    [ "ata_piix" "uhci_hcd" "virtio_pci" "sr_mod" "virtio_blk" ];
   boot.kernelModules = [ ];
   boot.extraModulePackages = [ ];
 
-  fileSystems."/" =
-    { device = "/dev/vda1";
-      fsType = "ext4";
-    };
+  fileSystems."/" = {
+    device = "/dev/vda1";
+    fsType = "ext4";
+  };
 
-  fileSystems."/boot" =
-    { device = "/dev/vda3";
-      fsType = "vfat";
-    };
+  fileSystems."/boot" = {
+    device = "/dev/vda3";
+    fsType = "vfat";
+  };
 
-  swapDevices =
-    [ { device = "/dev/vda2"; }
-    ];
+  swapDevices = [{ device = "/dev/vda2"; }];
 
   nix.maxJobs = lib.mkDefault 4;
 }
diff --git a/krops.nix b/krops.nix
index db02e845..c45ce457 100644
--- a/krops.nix
+++ b/krops.nix
@@ -1,12 +1,10 @@
 let
-  krops = builtins.fetchGit {
-    url = "https://cgit.krebsco.de/krops/";
-  };
+  krops = builtins.fetchGit { url = "https://cgit.krebsco.de/krops/"; };
   lib = import "${krops}/lib";
-  pkgs = import "${krops}/pkgs" {};
+  pkgs = import "${krops}/pkgs" { };
 
   hostSource = path: nixos-branch:
-    lib.evalSource [ {
+    lib.evalSource [{
       nixpkgs.git = {
         ref = "origin/${nixos-branch}";
         url = "https://github.com/NixOS/nixpkgs.git";
@@ -16,7 +14,7 @@ let
       lib.file = toString ./lib;
       secrets.file = toString ./secrets;
       "host-registry.nix".file = toString ./host-registry.nix;
-    } ];
+    }];
 
   deployContainer = containerName: host:
     pkgs.krops.writeDeploy containerName {
@@ -31,14 +29,10 @@ in {
 
   glotzbert = pkgs.krops.writeDeploy "glotzbert" {
     source = hostSource "glotzbert" "nixos-20.09";
-    target = lib.mkTarget "k-ot@glotzbert.hq.c3d2.de" // {
-      sudo = true;
-    };
+    target = lib.mkTarget "k-ot@glotzbert.hq.c3d2.de" // { sudo = true; };
   };
   pulsebert = pkgs.krops.writeDeploy "pulsebert" {
     source = hostSource "pulsebert" "nixos-20.09";
-    target = lib.mkTarget "k-ot@pulsebert.hq.c3d2.de" // {
-      sudo = true;
-    };
+    target = lib.mkTarget "k-ot@pulsebert.hq.c3d2.de" // { sudo = true; };
   };
 }
diff --git a/lib/admins.nix b/lib/admins.nix
index 348fb947..d747e8e3 100644
--- a/lib/admins.nix
+++ b/lib/admins.nix
@@ -1,6 +1 @@
-{ config, ... }:
-{
-  imports = [
-    ../secrets/lib/authorized_keys
-  ];
-}
+{ config, ... }: { imports = [ ../secrets/lib/authorized_keys ]; }
diff --git a/lib/default.nix b/lib/default.nix
index 7b1b4961..6cdca427 100644
--- a/lib/default.nix
+++ b/lib/default.nix
@@ -162,12 +162,10 @@ in {
                 host.ip6
               else
                 toHqPrivateAddress hostName;
-            in [
-              {
-                name = ip6;
-                value = [ "${hostName}.hq" hostName ];
-              }
-            ] ++ lib.optional (hasAttr "ip4" host) {
+            in [{
+              name = ip6;
+              value = [ "${hostName}.hq" hostName ];
+            }] ++ lib.optional (hasAttr "ip4" host) {
               name = host.ip4;
               value = [ "${hostName}.hq" hostName ];
             };
diff --git a/lib/logging.nix b/lib/logging.nix
index 8a3c29ca..3bfb7ce8 100644
--- a/lib/logging.nix
+++ b/lib/logging.nix
@@ -20,10 +20,9 @@ let
     # replace the hostnames with the IP or hostname of your Graylog2 server
     access_log syslog:server=graylog.server.org:12301 graylog2_json;
     error_log syslog:server=graylog.server.org:12302;
-'';
-  
-in
-{
+  '';
+
+in {
 
   # add central logging
   services.journalbeat = {
diff --git a/lib/lxc-container.nix b/lib/lxc-container.nix
index a70daeda..c302876f 100644
--- a/lib/lxc-container.nix
+++ b/lib/lxc-container.nix
@@ -15,7 +15,8 @@
   networking.useNetworkd = true;
   networking.useDHCP = false;
   services.resolved.enable = false;
-  networking.nameservers = [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
+  networking.nameservers =
+    [ "172.20.73.8" "172.20.72.6" "172.20.72.10" "9.9.9.9" ];
 
   networking.interfaces.eth0 = {
     useDHCP = false;
@@ -36,15 +37,17 @@
 
   # Create a few files early before packing tarball for Proxmox
   # architecture/OS detection.
-  system.extraSystemBuilderCmds =
-      ''
-          mkdir -m 0755 -p $out/bin
-          ln -s ${pkgs.bash}/bin/bash $out/bin/sh
-          mkdir -m 0755 -p $out/sbin
-          ln -s ../init $out/sbin/init
-      '';
+  system.extraSystemBuilderCmds = ''
+    mkdir -m 0755 -p $out/bin
+    ln -s ${pkgs.bash}/bin/bash $out/bin/sh
+    mkdir -m 0755 -p $out/sbin
+    ln -s ../init $out/sbin/init
+  '';
 
-  fileSystems."/" = { fsType = "rootfs"; device = "rootfs"; };
+  fileSystems."/" = {
+    fsType = "rootfs";
+    device = "rootfs";
+  };
 
   # add central logging
   services.journalbeat = {
diff --git a/lib/lxc/default.nix b/lib/lxc/default.nix
index 185058e6..a9eba31d 100644
--- a/lib/lxc/default.nix
+++ b/lib/lxc/default.nix
@@ -1,5 +1,4 @@
-{ config, lib, pkgs,
-  ... }:
+{ config, lib, pkgs, ... }:
 with lib;
 
 let
@@ -9,45 +8,39 @@ let
     rev = "3a0767f0536fac811065eb87e6342f27eac085aa";
     sha256 = "vC0vBu+0HchrevuWsmE7giouKnSt/q4F0TffwhuNJv8=";
   };
-  nixcloud = (
-    import "${nixcloud-webservices}/pkgs" { inherit pkgs; }
-  ).nixcloud;
+  nixcloud = (import "${nixcloud-webservices}/pkgs" { inherit pkgs; }).nixcloud;
 
   profilesDir = "/nix/var/nix/profiles/lxc";
   containers = config.lxc.containers;
   nixPath = config.nix.nixPath;
 
   toLxcConfig' = path: a:
-    if builtins.isString a
-    then "${path} = ${a}\n"
-    else if builtins.isInt a
-    then "${path} = ${toString a}\n"
-    else if builtins.isAttrs a
-    then lib.concatMapStrings (name:
-      let
-        path' = if path == ""
-                then name
-                else "${path}.${name}";
-      in
-      toLxcConfig' path' (builtins.getAttr name a)
-    ) (builtins.attrNames a)
-    else if builtins.isList a
-    then lib.concatMapStrings (toLxcConfig' path) a
-    else throw "Invalid LXC config value";
+    if builtins.isString a then ''
+      ${path} = ${a}
+    '' else if builtins.isInt a then ''
+      ${path} = ${toString a}
+    '' else if builtins.isAttrs a then
+      lib.concatMapStrings (name:
+        let path' = if path == "" then name else "${path}.${name}";
+        in toLxcConfig' path' (builtins.getAttr name a)) (builtins.attrNames a)
+    else if builtins.isList a then
+      lib.concatMapStrings (toLxcConfig' path) a
+    else
+      throw "Invalid LXC config value";
   toLxcConfig = toLxcConfig' "";
 
-  lxc-rootfs = pkgs.runCommand "lxc-rootfs" {} ''
-      mkdir -p $out/share/lxc/rootfs/{dev,nix/store,proc,run,sys,tmp}
+  lxc-rootfs = pkgs.runCommand "lxc-rootfs" { } ''
+    mkdir -p $out/share/lxc/rootfs/{dev,nix/store,proc,run,sys,tmp}
   '';
 in {
   options = with types; {
     lxc.containers = mkOption {
       type = attrs;
-      default = {};
+      default = { };
     };
   };
 
-  config = mkIf (containers != {}) {
+  config = mkIf (containers != { }) {
     virtualisation.lxc.enable = true;
     environment.systemPackages = [ nixcloud.container ];
 
@@ -55,14 +48,18 @@ in {
       lxc.id_map = u 0 100000 65536
       lxc.id_map = g 0 100000 65536
     '';
-    users.users.root.subGidRanges = [
-      { count = 65536; startGid = 100000; }
-    ];
-    users.users.root.subUidRanges = [
-      { count = 65536; startUid = 100000; }
-    ];
+    users.users.root.subGidRanges = [{
+      count = 65536;
+      startGid = 100000;
+    }];
+    users.users.root.subUidRanges = [{
+      count = 65536;
+      startUid = 100000;
+    }];
 
-    systemd.services = if true then {} else
+    systemd.services = if true then
+      { }
+    else
       builtins.foldl' (services: name:
         let
           systemDir = "/${profilesDir}/${name}/system";
@@ -94,9 +91,8 @@ in {
 
             serviceConfig.Type = "oneshot";
             serviceConfig.RemainAfterExit = true;
-            serviceConfig.Environment = [
-              ''NIX_PATH=${builtins.concatStringsSep ":" nixPath}''
-            ];
+            serviceConfig.Environment =
+              [ "NIX_PATH=${builtins.concatStringsSep ":" nixPath}" ];
 
             script = ''
               mkdir -p ${profilesDir}/${name}
@@ -123,7 +119,6 @@ in {
         in services // {
           "lxc-container-${name}-builder" = builder;
           "lxc-container-${name}" = starter;
-        }
-      ) {} (builtins.attrNames containers);
+        }) { } (builtins.attrNames containers);
   };
 }
diff --git a/lib/pkgs/bmxd.nix b/lib/pkgs/bmxd.nix
index bf287e99..1308ac26 100644
--- a/lib/pkgs/bmxd.nix
+++ b/lib/pkgs/bmxd.nix
@@ -1,18 +1,20 @@
-{ pkgs ? import <nixpkgs> {},
-  src ? builtins.fetchGit "https://gitlab.freifunk-dresden.de/firmware-developer/firmware.git",
-}:
+{ pkgs ? import <nixpkgs> { }, src ? builtins.fetchGit
+  "https://gitlab.freifunk-dresden.de/firmware-developer/firmware.git", }:
 
 with pkgs;
 let
   path = "feeds/19.07/feeds-own/bmxd";
   makefile = builtins.readFile "${src}/${path}/Makefile";
   makeDef = name:
-    builtins.elemAt (builtins.match ".*?${name}:=([^\n]+).*?" makefile) 0;
+    builtins.elemAt (builtins.match ''
+      .*?${name}:=([^
+      ]+).*?'' makefile) 0;
   name = makeDef "PKG_NAME";
   version = makeDef "PKG_VERSION";
   release = makeDef "PKG_RELEASE";
   patch = fetchurl {
-    url = "https://gitlab.freifunk-dresden.de/firmware-developer/firmware/merge_requests/36.patch";
+    url =
+      "https://gitlab.freifunk-dresden.de/firmware-developer/firmware/merge_requests/36.patch";
     sha256 = "10gm1fqg2s8c261i0j1py3sfyyzr0h5b6wwdsgg3icn7lfjd6k75";
   };
 in stdenv.mkDerivation {
diff --git a/lib/pkgs/pile.nix b/lib/pkgs/pile.nix
index 7da6079e..0611652d 100644
--- a/lib/pkgs/pile.nix
+++ b/lib/pkgs/pile.nix
@@ -1,8 +1,7 @@
-{ pkgs ? import <nixpkgs> {} }:
+{ pkgs ? import <nixpkgs> { } }:
 
 with pkgs;
-let
-  pile = builtins.fetchGit "https://github.com/astro/pile.git";
+let pile = builtins.fetchGit "https://github.com/astro/pile.git";
 in {
   ledball = rustPlatform.buildRustPackage {
     name = "ledball";
diff --git a/lib/shared.nix b/lib/shared.nix
index b69d8d11..ef03fbcc 100644
--- a/lib/shared.nix
+++ b/lib/shared.nix
@@ -1,7 +1,7 @@
 { lib, ... }:
 
 {
-  imports = [./logging.nix];
+  imports = [ ./logging.nix ];
   # Set your time zone.
   time.timeZone = "Europe/Berlin";
   # Select internationalisation properties.
diff --git a/lib/users/poelzi.nix b/lib/users/poelzi.nix
index 2ce0b4e5..763f4016 100644
--- a/lib/users/poelzi.nix
+++ b/lib/users/poelzi.nix
@@ -2,7 +2,7 @@
 
 let
   keys = [
-      "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAuQbziwBjiSZqzE2b4iOqz1HxjinqHbGjAv1XHLOq+AFfNwMc4wiyQ/u2LpuRG2HlwK9pBeIY/gZSUP3YJZ1RumnrEOxY2Tgmzko0W9ME+hvK1OHZcXI69QA/ctxEVgOUMvTtS8XssFLAbQfkXJYeTL/5yr/Qrs3MDDfa+1UGY7LQlyzh6c4pQ+pBgWJALyzztc0orqgSVUJ2u8naQ210Jv3dQnpE+bwfeG9IuWjQqBXWHwlqxwRDxnnDBVcUj4z24XsMmHHWd/zizD+4C0Qx/rBiFhYBDXP+320U5gpgFzRl3t1HQXiPCb/LAgp2CLpZ8Eh4u9tgIhp6Z6l9r0B+vQ== poelzi@poelzi.org"
+    "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAuQbziwBjiSZqzE2b4iOqz1HxjinqHbGjAv1XHLOq+AFfNwMc4wiyQ/u2LpuRG2HlwK9pBeIY/gZSUP3YJZ1RumnrEOxY2Tgmzko0W9ME+hvK1OHZcXI69QA/ctxEVgOUMvTtS8XssFLAbQfkXJYeTL/5yr/Qrs3MDDfa+1UGY7LQlyzh6c4pQ+pBgWJALyzztc0orqgSVUJ2u8naQ210Jv3dQnpE+bwfeG9IuWjQqBXWHwlqxwRDxnnDBVcUj4z24XsMmHHWd/zizD+4C0Qx/rBiFhYBDXP+320U5gpgFzRl3t1HQXiPCb/LAgp2CLpZ8Eh4u9tgIhp6Z6l9r0B+vQ== poelzi@poelzi.org"
   ];
 in {