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-rw-r--r--nixos/modules/config/xdg/sounds.nix6
-rw-r--r--nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix12
-rw-r--r--nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix2
-rw-r--r--nixos/modules/installer/cd-dvd/installation-cd-graphical-kde.nix9
-rw-r--r--nixos/modules/installer/cd-dvd/sd-image.nix6
-rw-r--r--nixos/modules/misc/ids.nix4
-rw-r--r--nixos/modules/profiles/graphical.nix1
-rw-r--r--nixos/modules/services/audio/mpd.nix1
-rw-r--r--nixos/modules/services/computing/slurm/slurm.nix51
-rw-r--r--nixos/modules/services/databases/redis.nix8
-rw-r--r--nixos/modules/services/mail/opensmtpd.nix18
-rw-r--r--nixos/modules/services/misc/zoneminder.nix2
-rw-r--r--nixos/modules/services/network-filesystems/ceph.nix72
-rw-r--r--nixos/modules/services/network-filesystems/samba.nix21
-rw-r--r--nixos/modules/services/networking/dnsdist.nix5
-rw-r--r--nixos/modules/services/networking/haproxy.nix36
-rw-r--r--nixos/modules/services/networking/tinydns.nix1
-rw-r--r--nixos/modules/services/web-servers/apache-httpd/default.nix3
-rw-r--r--nixos/modules/services/web-servers/phpfpm/default.nix5
-rw-r--r--nixos/modules/services/web-servers/varnish/default.nix6
-rw-r--r--nixos/modules/services/x11/desktop-managers/gnome3.nix33
-rw-r--r--nixos/modules/system/boot/plymouth.nix10
-rw-r--r--nixos/modules/system/boot/systemd-unit-options.nix2
-rw-r--r--nixos/modules/virtualisation/libvirtd.nix3
24 files changed, 205 insertions, 112 deletions
diff --git a/nixos/modules/config/xdg/sounds.nix b/nixos/modules/config/xdg/sounds.nix
index 148240d631cf..14d6340fc33b 100644
--- a/nixos/modules/config/xdg/sounds.nix
+++ b/nixos/modules/config/xdg/sounds.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 {
@@ -14,6 +14,10 @@ with lib;
   };
 
   config = mkIf config.xdg.sounds.enable {
+    environment.systemPackages = [
+      pkgs.sound-theme-freedesktop
+    ];
+
     environment.pathsToLink = [
       "/share/sounds"
     ];
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix
index 719ba5ffb127..e0b558dcb0d8 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix
@@ -22,17 +22,7 @@ with lib;
     });
   '';
 
-  services.xserver = {
-    enable = true;
-
-    # Automatically login as nixos.
-    displayManager.slim = {
-      enable = true;
-      defaultUser = "nixos";
-      autoLogin = true;
-    };
-
-  };
+  services.xserver.enable = true;
 
   # Provide networkmanager for easy wireless configuration.
   networking.networkmanager.enable = true;
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
index 0b813bbf37b4..23c3426bff08 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-gnome.nix
@@ -10,8 +10,6 @@ with lib;
 
   services.xserver.desktopManager.gnome3.enable = true;
 
-  services.xserver.displayManager.slim.enable = mkForce false;
-
   # Auto-login as root.
   services.xserver.displayManager.gdm.autoLogin = {
     enable = true;
diff --git a/nixos/modules/installer/cd-dvd/installation-cd-graphical-kde.nix b/nixos/modules/installer/cd-dvd/installation-cd-graphical-kde.nix
index 1dc7920ff640..6a10a6404e67 100644
--- a/nixos/modules/installer/cd-dvd/installation-cd-graphical-kde.nix
+++ b/nixos/modules/installer/cd-dvd/installation-cd-graphical-kde.nix
@@ -13,6 +13,15 @@ with lib;
       enable = true;
       enableQt4Support = false;
     };
+
+    # Automatically login as nixos.
+    displayManager.sddm = {
+      enable = true;
+      autoLogin = {
+        enable = true;
+        user = "nixos";
+      };
+    };
   };
 
   environment.systemPackages = with pkgs; [
diff --git a/nixos/modules/installer/cd-dvd/sd-image.nix b/nixos/modules/installer/cd-dvd/sd-image.nix
index d510f3b2daf2..7865b767f0b7 100644
--- a/nixos/modules/installer/cd-dvd/sd-image.nix
+++ b/nixos/modules/installer/cd-dvd/sd-image.nix
@@ -140,7 +140,11 @@ in
         export img=$out/sd-image/${config.sdImage.imageName}
 
         echo "${pkgs.stdenv.buildPlatform.system}" > $out/nix-support/system
-        echo "file sd-image $img" >> $out/nix-support/hydra-build-products
+        if test -n "$compressImage"; then
+          echo "file sd-image $img.bz2" >> $out/nix-support/hydra-build-products
+        else
+          echo "file sd-image $img" >> $out/nix-support/hydra-build-products
+        fi
 
         # Gap in front of the first partition, in MiB
         gap=8
diff --git a/nixos/modules/misc/ids.nix b/nixos/modules/misc/ids.nix
index 3e8a5b07a5ed..a4db2c9d1d87 100644
--- a/nixos/modules/misc/ids.nix
+++ b/nixos/modules/misc/ids.nix
@@ -128,7 +128,7 @@
       tcpcryptd = 93; # tcpcryptd uses a hard-coded uid. We patch it in Nixpkgs to match this choice.
       firebird = 95;
       #keys = 96; # unused
-      haproxy = 97;
+      #haproxy = 97; # DynamicUser as of 2019-11-08
       mongodb = 98;
       openldap = 99;
       #users = 100; # unused
@@ -443,7 +443,7 @@
       #tcpcryptd = 93; # unused
       firebird = 95;
       keys = 96;
-      haproxy = 97;
+      #haproxy = 97; # DynamicUser as of 2019-11-08
       #mongodb = 98; # unused
       openldap = 99;
       munin = 102;
diff --git a/nixos/modules/profiles/graphical.nix b/nixos/modules/profiles/graphical.nix
index 649f5564ac61..ac3c228b3c65 100644
--- a/nixos/modules/profiles/graphical.nix
+++ b/nixos/modules/profiles/graphical.nix
@@ -16,7 +16,6 @@
 
   # Enable sound in virtualbox appliances.
   hardware.pulseaudio.enable = true;
-  hardware.pulseaudio.systemWide = true; # Needed since we run plasma as root.
 
   environment.systemPackages = [ pkgs.glxinfo pkgs.firefox ];
 }
diff --git a/nixos/modules/services/audio/mpd.nix b/nixos/modules/services/audio/mpd.nix
index 56dc858b6405..7932d094197b 100644
--- a/nixos/modules/services/audio/mpd.nix
+++ b/nixos/modules/services/audio/mpd.nix
@@ -18,7 +18,6 @@ let
     ''}
     state_file          "${cfg.dataDir}/state"
     sticker_file        "${cfg.dataDir}/sticker.sql"
-    log_file            "syslog"
     user                "${cfg.user}"
     group               "${cfg.group}"
 
diff --git a/nixos/modules/services/computing/slurm/slurm.nix b/nixos/modules/services/computing/slurm/slurm.nix
index d1a1383e45b0..c70d999ca96d 100644
--- a/nixos/modules/services/computing/slurm/slurm.nix
+++ b/nixos/modules/services/computing/slurm/slurm.nix
@@ -18,7 +18,7 @@ let
       ${optionalString (cfg.controlAddr != null) ''controlAddr=${cfg.controlAddr}''}
       ${toString (map (x: "NodeName=${x}\n") cfg.nodeName)}
       ${toString (map (x: "PartitionName=${x}\n") cfg.partitionName)}
-      PlugStackConfig=${plugStackConfig}
+      PlugStackConfig=${plugStackConfig}/plugstack.conf
       ProctrackType=${cfg.procTrackType}
       ${cfg.extraConfig}
     '';
@@ -39,6 +39,8 @@ let
      DbdHost=${cfg.dbdserver.dbdHost}
      SlurmUser=${cfg.user}
      StorageType=accounting_storage/mysql
+     StorageUser=${cfg.dbdserver.storageUser}
+     ${optionalString (cfg.dbdserver.storagePass != null) "StoragePass=${cfg.dbdserver.storagePass}"}
      ${cfg.dbdserver.extraConfig}
    '';
 
@@ -48,7 +50,6 @@ let
     name = "etc-slurm";
     paths = [ configFile cgroupConfig plugStackConfig ] ++ cfg.extraConfigPaths;
   };
-
 in
 
 {
@@ -86,6 +87,37 @@ in
           '';
         };
 
+        storageUser = mkOption {
+          type = types.str;
+          default = cfg.user;
+          description = ''
+            Database user name.
+          '';
+        };
+
+        storagePass = mkOption {
+          type = types.nullOr types.str;
+          default = null;
+          description = ''
+            Database password. Note that this password will be publicable
+            readable in the nix store. Use <option>configFile</option>
+            to store the and config file and password outside the nix store.
+          '';
+        };
+
+        configFile = mkOption {
+          type = types.nullOr types.str;
+          default = null;
+          description = ''
+            Path to <literal>slurmdbd.conf</literal>. The password for the database connection
+            is stored in the config file. Use this option to specfify a path
+            outside the nix store. If this option is unset a configuration file
+            will be generated. See also:
+            <citerefentry><refentrytitle>slurmdbd.conf</refentrytitle>
+            <manvolnum>8</manvolnum></citerefentry>.
+          '';
+        };
+
         extraConfig = mkOption {
           type = types.lines;
           default = "";
@@ -112,7 +144,7 @@ in
 
       package = mkOption {
         type = types.package;
-        default = pkgs.slurm;
+        default = pkgs.slurm.override { enableX11 = ! cfg.enableSrunX11; };
         defaultText = "pkgs.slurm";
         example = literalExample "pkgs.slurm-full";
         description = ''
@@ -178,9 +210,14 @@ in
           If enabled srun will accept the option "--x11" to allow for X11 forwarding
           from within an interactive session or a batch job. This activates the
           slurm-spank-x11 module. Note that this option also enables
-          'services.openssh.forwardX11' on the client.
+          <option>services.openssh.forwardX11</option> on the client.
 
           This option requires slurm to be compiled without native X11 support.
+          The default behavior is to re-compile the slurm package with native X11
+          support disabled if this option is set to true.
+
+          To use the native X11 support add <literal>PrologFlags=X11</literal> in <option>extraConfig</option>.
+          Note that this method will only work RSA SSH host keys.
         '';
       };
 
@@ -356,7 +393,11 @@ in
       requires = [ "munged.service" "mysql.service" ];
 
       # slurm strips the last component off the path
-      environment.SLURM_CONF = "${slurmdbdConf}/slurm.conf";
+      environment.SLURM_CONF =
+        if (cfg.dbdserver.configFile == null) then
+          "${slurmdbdConf}/slurm.conf"
+        else
+          cfg.dbdserver.configFile;
 
       serviceConfig = {
         Type = "forking";
diff --git a/nixos/modules/services/databases/redis.nix b/nixos/modules/services/databases/redis.nix
index 5695eeaf74cb..95128a641d94 100644
--- a/nixos/modules/services/databases/redis.nix
+++ b/nixos/modules/services/databases/redis.nix
@@ -185,10 +185,10 @@ in
   ###### implementation
 
   config = mkIf config.services.redis.enable {
-
-    boot.kernel.sysctl = {
-      "vm.nr_hugepages" = "0";
-    } // mkIf cfg.vmOverCommit { "vm.overcommit_memory" = "1"; };
+    boot.kernel.sysctl = (mkMerge [
+      { "vm.nr_hugepages" = "0"; }
+      ( mkIf cfg.vmOverCommit { "vm.overcommit_memory" = "1"; } )
+    ]);
 
     networking.firewall = mkIf cfg.openFirewall {
       allowedTCPPorts = [ cfg.port ];
diff --git a/nixos/modules/services/mail/opensmtpd.nix b/nixos/modules/services/mail/opensmtpd.nix
index a870550ba50b..1fabe2da45c5 100644
--- a/nixos/modules/services/mail/opensmtpd.nix
+++ b/nixos/modules/services/mail/opensmtpd.nix
@@ -101,6 +101,12 @@ in {
       };
     };
 
+    systemd.tmpfiles.rules = [
+      "d /var/spool/smtpd 711 root - - -"
+      "d /var/spool/smtpd/offline 770 root smtpq - -"
+      "d /var/spool/smtpd/purge 700 smtpq root - -"
+    ];
+
     systemd.services.opensmtpd = let
       procEnv = pkgs.buildEnv {
         name = "opensmtpd-procs";
@@ -110,18 +116,6 @@ in {
     in {
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" ];
-      preStart = ''
-        mkdir -p /var/spool/smtpd
-        chmod 711 /var/spool/smtpd
-
-        mkdir -p /var/spool/smtpd/offline
-        chown root.smtpq /var/spool/smtpd/offline
-        chmod 770 /var/spool/smtpd/offline
-
-        mkdir -p /var/spool/smtpd/purge
-        chown smtpq.root /var/spool/smtpd/purge
-        chmod 700 /var/spool/smtpd/purge
-      '';
       serviceConfig.ExecStart = "${cfg.package}/sbin/smtpd -d -f ${conf} ${args}";
       environment.OPENSMTPD_PROC_PATH = "${procEnv}/libexec/opensmtpd";
     };
diff --git a/nixos/modules/services/misc/zoneminder.nix b/nixos/modules/services/misc/zoneminder.nix
index 3bff04e7127d..d7f7324580c0 100644
--- a/nixos/modules/services/misc/zoneminder.nix
+++ b/nixos/modules/services/misc/zoneminder.nix
@@ -265,7 +265,7 @@ in {
                 }
 
                 location /cache/ {
-                  alias /var/cache/${dirName};
+                  alias /var/cache/${dirName}/;
                 }
 
                 location ~ \.php$ {
diff --git a/nixos/modules/services/network-filesystems/ceph.nix b/nixos/modules/services/network-filesystems/ceph.nix
index 656a2d21b868..543a7b25d5d6 100644
--- a/nixos/modules/services/network-filesystems/ceph.nix
+++ b/nixos/modules/services/network-filesystems/ceph.nix
@@ -9,12 +9,14 @@ let
   expandCamelCase = replaceStrings upperChars (map (s: " ${s}") lowerChars);
   expandCamelCaseAttrs = mapAttrs' (name: value: nameValuePair (expandCamelCase name) value);
 
-  makeServices = (daemonType: daemonIds: extraServiceConfig:
+  makeServices = (daemonType: daemonIds:
     mkMerge (map (daemonId:
-      { "ceph-${daemonType}-${daemonId}" = makeService daemonType daemonId cfg.global.clusterName pkgs.ceph extraServiceConfig; })
+      { "ceph-${daemonType}-${daemonId}" = makeService daemonType daemonId cfg.global.clusterName pkgs.ceph; })
       daemonIds));
 
-  makeService = (daemonType: daemonId: clusterName: ceph: extraServiceConfig: {
+  makeService = (daemonType: daemonId: clusterName: ceph:
+    let
+      stateDirectory = "ceph/${if daemonType == "rgw" then "radosgw" else daemonType}/${clusterName}-${daemonId}"; in {
     enable = true;
     description = "Ceph ${builtins.replaceStrings lowerChars upperChars daemonType} daemon ${daemonId}";
     after = [ "network-online.target" "time-sync.target" ] ++ optional (daemonType == "osd") "ceph-mon.target";
@@ -22,6 +24,11 @@ let
     partOf = [ "ceph-${daemonType}.target" ];
     wantedBy = [ "ceph-${daemonType}.target" ];
 
+    path = [ pkgs.getopt ];
+
+    # Don't start services that are not yet initialized
+    unitConfig.ConditionPathExists = "/var/lib/${stateDirectory}/keyring";
+
     serviceConfig = {
       LimitNOFILE = 1048576;
       LimitNPROC = 1048576;
@@ -34,22 +41,22 @@ let
       Restart = "on-failure";
       StartLimitBurst = "5";
       StartLimitInterval = "30min";
+      StateDirectory = stateDirectory;
+      User = "ceph";
+      Group = if daemonType == "osd" then "disk" else "ceph";
       ExecStart = ''${ceph.out}/bin/${if daemonType == "rgw" then "radosgw" else "ceph-${daemonType}"} \
-                    -f --cluster ${clusterName} --id ${daemonId} --setuser ceph \
-                    --setgroup ${if daemonType == "osd" then "disk" else "ceph"}'';
-    } // extraServiceConfig
-      // optionalAttrs (daemonType == "osd") { ExecStartPre = ''${ceph.lib}/libexec/ceph/ceph-osd-prestart.sh \
-                                                              --id ${daemonId} --cluster ${clusterName}''; };
-    } // optionalAttrs (builtins.elem daemonType [ "mds" "mon" "rgw" "mgr" ]) {
-      preStart = ''
-        daemonPath="/var/lib/ceph/${if daemonType == "rgw" then "radosgw" else daemonType}/${clusterName}-${daemonId}"
-        if [ ! -d $daemonPath ]; then
-          mkdir -m 755 -p $daemonPath
-          chown -R ceph:ceph $daemonPath
-        fi
-      '';
-    } // optionalAttrs (daemonType == "osd") { path = [ pkgs.getopt ]; }
-  );
+                    -f --cluster ${clusterName} --id ${daemonId}'';
+    } // optionalAttrs (daemonType == "osd") {
+      ExecStartPre = ''${ceph.lib}/libexec/ceph/ceph-osd-prestart.sh --id ${daemonId} --cluster ${clusterName}'';
+      StartLimitBurst = "30";
+      RestartSec = "20s";
+      PrivateDevices = "no"; # osd needs disk access
+    } // optionalAttrs ( daemonType == "mon") {
+      RestartSec = "10";
+    } // optionalAttrs (lib.elem daemonType ["mgr" "mds"]) {
+      StartLimitBurst = "3";
+    };
+  });
 
   makeTarget = (daemonType:
     {
@@ -58,6 +65,7 @@ let
         partOf = [ "ceph.target" ];
         wantedBy = [ "ceph.target" ];
         before = [ "ceph.target" ];
+        unitConfig.StopWhenUnneeded = true;
       };
     }
   );
@@ -377,22 +385,22 @@ in
 
     systemd.services = let
       services = []
-        ++ optional cfg.mon.enable (makeServices "mon" cfg.mon.daemons { RestartSec = "10"; })
-        ++ optional cfg.mds.enable (makeServices "mds" cfg.mds.daemons { StartLimitBurst = "3"; })
-        ++ optional cfg.osd.enable (makeServices "osd" cfg.osd.daemons { StartLimitBurst = "30";
-                                                                         RestartSec = "20s";
-                                                                         PrivateDevices = "no"; # osd needs disk access
-                                                                       })
-        ++ optional cfg.rgw.enable (makeServices "rgw" cfg.rgw.daemons { })
-        ++ optional cfg.mgr.enable (makeServices "mgr" cfg.mgr.daemons { StartLimitBurst = "3"; });
+        ++ optional cfg.mon.enable (makeServices "mon" cfg.mon.daemons)
+        ++ optional cfg.mds.enable (makeServices "mds" cfg.mds.daemons)
+        ++ optional cfg.osd.enable (makeServices "osd" cfg.osd.daemons)
+        ++ optional cfg.rgw.enable (makeServices "rgw" cfg.rgw.daemons)
+        ++ optional cfg.mgr.enable (makeServices "mgr" cfg.mgr.daemons);
       in
         mkMerge services;
 
     systemd.targets = let
       targets = [
-        { ceph = { description = "Ceph target allowing to start/stop all ceph service instances at once";
-                     wantedBy = [ "multi-user.target" ]; }; }
-      ] ++ optional cfg.mon.enable (makeTarget "mon")
+        { ceph = {
+          description = "Ceph target allowing to start/stop all ceph service instances at once";
+          wantedBy = [ "multi-user.target" ];
+          unitConfig.StopWhenUnneeded = true;
+        }; } ]
+        ++ optional cfg.mon.enable (makeTarget "mon")
         ++ optional cfg.mds.enable (makeTarget "mds")
         ++ optional cfg.osd.enable (makeTarget "osd")
         ++ optional cfg.rgw.enable (makeTarget "rgw")
@@ -401,7 +409,11 @@ in
         mkMerge targets;
 
     systemd.tmpfiles.rules = [
+      "d /etc/ceph - ceph ceph - -"
       "d /run/ceph 0770 ceph ceph -"
-    ];
+      "d /var/lib/ceph - ceph ceph - -"]
+    ++ optionals cfg.mgr.enable [ "d /var/lib/ceph/mgr - ceph ceph - -"]
+    ++ optionals cfg.mon.enable [ "d /var/lib/ceph/mon - ceph ceph - -"]
+    ++ optionals cfg.osd.enable [ "d /var/lib/ceph/osd - ceph ceph - -"];
   };
 }
diff --git a/nixos/modules/services/network-filesystems/samba.nix b/nixos/modules/services/network-filesystems/samba.nix
index ce565dbaab81..0315c1c71ee3 100644
--- a/nixos/modules/services/network-filesystems/samba.nix
+++ b/nixos/modules/services/network-filesystems/samba.nix
@@ -12,11 +12,6 @@ let
 
   samba = cfg.package;
 
-  setupScript =
-    ''
-      mkdir -p /var/lock/samba /var/log/samba /var/cache/samba /var/lib/samba/private
-    '';
-
   shareConfig = name:
     let share = getAttr name cfg.shares; in
     "[${name}]\n " + (smbToString (
@@ -45,7 +40,6 @@ let
   daemonService = appName: args:
     { description = "Samba Service Daemon ${appName}";
 
-      after = [ "network.target" ];
       requiredBy = [ "samba.target" ];
       partOf = [ "samba.target" ];
 
@@ -62,6 +56,7 @@ let
         Type = "notify";
         NotifyAccess = "all"; #may not do anything...
       };
+      unitConfig.RequiresMountsFor = "/var/lib/samba";
 
       restartTriggers = [ configFile ];
     };
@@ -228,8 +223,7 @@ in
         systemd = {
           targets.samba = {
             description = "Samba Server";
-            requires = [ "samba-setup.service" ];
-            after = [ "samba-setup.service" "network.target" ];
+            after = [ "network.target" ];
             wantedBy = [ "multi-user.target" ];
           };
           # Refer to https://github.com/samba-team/samba/tree/master/packaging/systemd
@@ -238,12 +232,13 @@ in
             samba-smbd = daemonService "smbd" "";
             samba-nmbd = mkIf cfg.enableNmbd (daemonService "nmbd" "");
             samba-winbindd = mkIf cfg.enableWinbindd (daemonService "winbindd" "");
-            samba-setup = {
-              description = "Samba Setup Task";
-              script = setupScript;
-              unitConfig.RequiresMountsFor = "/var/lib/samba";
-            };
           };
+          tmpfiles.rules = [
+            "d /var/lock/samba - - - - -"
+            "d /var/log/samba - - - - -"
+            "d /var/cache/samba - - - - -"
+            "d /var/lib/samba/private - - - - -"
+          ];
         };
 
         security.pam.services.samba = {};
diff --git a/nixos/modules/services/networking/dnsdist.nix b/nixos/modules/services/networking/dnsdist.nix
index 12eee136e639..8249da69bc1a 100644
--- a/nixos/modules/services/networking/dnsdist.nix
+++ b/nixos/modules/services/networking/dnsdist.nix
@@ -46,11 +46,10 @@ in {
         RestartSec="1";
         DynamicUser = true;
         StartLimitInterval="0";
-        PrivateTmp=true;
         PrivateDevices=true;
-        CapabilityBoundingSet="CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID";
+        AmbientCapabilities="CAP_NET_BIND_SERVICE";
+        CapabilityBoundingSet="CAP_NET_BIND_SERVICE";
         ExecStart = "${pkgs.dnsdist}/bin/dnsdist --supervised --disable-syslog --config ${configFile}";
-        ProtectSystem="full";
         ProtectHome=true;
         RestrictAddressFamilies="AF_UNIX AF_INET AF_INET6";
         LimitNOFILE="16384";
diff --git a/nixos/modules/services/networking/haproxy.nix b/nixos/modules/services/networking/haproxy.nix
index 0438d0bf8d86..aff71e5e97da 100644
--- a/nixos/modules/services/networking/haproxy.nix
+++ b/nixos/modules/services/networking/haproxy.nix
@@ -1,7 +1,16 @@
 { config, lib, pkgs, ... }:
+
 let
   cfg = config.services.haproxy;
-  haproxyCfg = pkgs.writeText "haproxy.conf" cfg.config;
+
+  haproxyCfg = pkgs.writeText "haproxy.conf" ''
+    global
+      # needed for hot-reload to work without dropping packets in multi-worker mode
+      stats socket /run/haproxy/haproxy.sock mode 600 expose-fd listeners level user
+
+    ${cfg.config}
+  '';
+
 in
 with lib;
 {
@@ -25,9 +34,7 @@ with lib;
           <filename>haproxy.conf</filename>.
         '';
       };
-
     };
-
   };
 
   config = mkIf cfg.enable {
@@ -42,21 +49,16 @@ with lib;
       after = [ "network.target" ];
       wantedBy = [ "multi-user.target" ];
       serviceConfig = {
-        Type = "forking";
-        PIDFile = "/run/haproxy.pid";
-        ExecStartPre = "${pkgs.haproxy}/sbin/haproxy -c -q -f ${haproxyCfg}";
-        ExecStart = "${pkgs.haproxy}/sbin/haproxy -D -f ${haproxyCfg} -p /run/haproxy.pid";
-        ExecReload = "-${pkgs.bash}/bin/bash -c \"exec ${pkgs.haproxy}/sbin/haproxy -D -f ${haproxyCfg} -p /run/haproxy.pid -sf $MAINPID\"";
+        DynamicUser = true;
+        Type = "notify";
+        # when running the config test, don't be quiet so we can see what goes wrong
+        ExecStartPre = "${pkgs.haproxy}/sbin/haproxy -c -f ${haproxyCfg}";
+        ExecStart = "${pkgs.haproxy}/sbin/haproxy -Ws -f ${haproxyCfg}";
+        Restart = "on-failure";
+        RuntimeDirectory = "haproxy";
+        # needed in case we bind to port < 1024
+        AmbientCapabilities = "CAP_NET_BIND_SERVICE";
       };
     };
-
-    environment.systemPackages = [ pkgs.haproxy ];
-
-    users.users.haproxy = {
-      group = "haproxy";
-      uid = config.ids.uids.haproxy;
-    };
-
-    users.groups.haproxy.gid = config.ids.uids.haproxy;
   };
 }
diff --git a/nixos/modules/services/networking/tinydns.nix b/nixos/modules/services/networking/tinydns.nix
index 7b2c464ab46b..79507b2ebcdd 100644
--- a/nixos/modules/services/networking/tinydns.nix
+++ b/nixos/modules/services/networking/tinydns.nix
@@ -37,6 +37,7 @@ with lib;
     systemd.services.tinydns = {
       description = "djbdns tinydns server";
       wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
       path = with pkgs; [ daemontools djbdns ];
       preStart = ''
         rm -rf /var/lib/tinydns
diff --git a/nixos/modules/services/web-servers/apache-httpd/default.nix b/nixos/modules/services/web-servers/apache-httpd/default.nix
index 3c5918baa533..f5a6051b4b5f 100644
--- a/nixos/modules/services/web-servers/apache-httpd/default.nix
+++ b/nixos/modules/services/web-servers/apache-httpd/default.nix
@@ -33,6 +33,8 @@ let
 
   enableSSL = any (vhost: vhost.enableSSL) allHosts;
 
+  enableUserDir = any (vhost: vhost.enableUserDir) allHosts;
+
   # NOTE: generally speaking order of modules is very important
   modules =
     [ # required apache modules our httpd service cannot run without
@@ -45,6 +47,7 @@ let
     ]
     ++ (if mainCfg.multiProcessingModule == "prefork" then [ "cgi" ] else [ "cgid" ])
     ++ optional enableSSL "ssl"
+    ++ optional enableUserDir "userdir"
     ++ optional mainCfg.enableMellon { name = "auth_mellon"; path = "${pkgs.apacheHttpdPackages.mod_auth_mellon}/modules/mod_auth_mellon.so"; }
     ++ optional mainCfg.enablePHP { name = "php${phpMajorVersion}"; path = "${php}/modules/libphp${phpMajorVersion}.so"; }
     ++ optional mainCfg.enablePerl { name = "perl"; path = "${mod_perl}/modules/mod_perl.so"; }
diff --git a/nixos/modules/services/web-servers/phpfpm/default.nix b/nixos/modules/services/web-servers/phpfpm/default.nix
index 4ab7e3f0c0a9..095de64dfb14 100644
--- a/nixos/modules/services/web-servers/phpfpm/default.nix
+++ b/nixos/modules/services/web-servers/phpfpm/default.nix
@@ -31,7 +31,7 @@ let
     '';
     passAsFile = [ "nixDefaults" "phpOptions" ];
   } ''
-    cat $phpPackage/etc/php.ini $nixDefaultsPath $phpOptionsPath > $out
+    cat ${poolOpts.phpPackage}/etc/php.ini $nixDefaultsPath $phpOptionsPath > $out
   '';
 
   poolOpts = { name, ... }:
@@ -69,8 +69,6 @@ let
 
         phpOptions = mkOption {
           type = types.lines;
-          default = cfg.phpOptions;
-          defaultText = "config.services.phpfpm.phpOptions";
           description = ''
             "Options appended to the PHP configuration file <filename>php.ini</filename> used for this PHP-FPM pool."
           '';
@@ -137,6 +135,7 @@ let
       config = {
         socket = if poolOpts.listen == "" then "${runtimeDir}/${name}.sock" else poolOpts.listen;
         group = mkDefault poolOpts.user;
+        phpOptions = mkBefore cfg.phpOptions;
 
         settings = mapAttrs (name: mkDefault){
           listen = poolOpts.socket;
diff --git a/nixos/modules/services/web-servers/varnish/default.nix b/nixos/modules/services/web-servers/varnish/default.nix
index 63f967185c2d..01fe3d12917a 100644
--- a/nixos/modules/services/web-servers/varnish/default.nix
+++ b/nixos/modules/services/web-servers/varnish/default.nix
@@ -15,8 +15,8 @@ in
 
       package = mkOption {
         type = types.package;
-        default = pkgs.varnish5;
-        defaultText = "pkgs.varnish5";
+        default = pkgs.varnish;
+        defaultText = "pkgs.varnish";
         description = ''
           The package to use
         '';
@@ -48,7 +48,7 @@ in
       extraModules = mkOption {
         type = types.listOf types.package;
         default = [];
-        example = literalExample "[ pkgs.varnish5Packages.geoip ]";
+        example = literalExample "[ pkgs.varnishPackages.geoip ]";
         description = "
           Varnish modules (except 'std').
         ";
diff --git a/nixos/modules/services/x11/desktop-managers/gnome3.nix b/nixos/modules/services/x11/desktop-managers/gnome3.nix
index 5ad31e5b9d00..0135ac19cbf7 100644
--- a/nixos/modules/services/x11/desktop-managers/gnome3.nix
+++ b/nixos/modules/services/x11/desktop-managers/gnome3.nix
@@ -184,6 +184,13 @@ in
         enableGnomeKeyring = true;
       };
 
+      systemd.packages = with pkgs.gnome3; [
+        gnome-flashback
+      ] ++ (map
+        (wm: gnome-flashback.mkSystemdTargetForWm {
+          inherit (wm) wmName;
+        }) cfg.flashback.customSessions);
+
       services.dbus.packages = [
         pkgs.gnome3.gnome-screensaver
       ];
@@ -217,6 +224,12 @@ in
 
       services.xserver.updateDbusEnvironment = true;
 
+      # gnome has a custom alert theme but it still
+      # inherits from the freedesktop theme.
+      environment.systemPackages = with pkgs; [
+        sound-theme-freedesktop
+      ];
+
       # Needed for themes and backgrounds
       environment.pathsToLink = [
         "/share" # TODO: https://github.com/NixOS/nixpkgs/issues/47173
@@ -265,6 +278,26 @@ in
         source-sans-pro
       ];
 
+      ## Enable soft realtime scheduling, only supported on wayland ##
+
+      security.wrappers.".gnome-shell-wrapped" = {
+        source = "${pkgs.gnome3.gnome-shell}/bin/.gnome-shell-wrapped";
+        capabilities = "cap_sys_nice=ep";
+      };
+
+      systemd.user.services.gnome-shell-wayland = let
+        gnomeShellRT = with pkgs.gnome3; pkgs.runCommand "gnome-shell-rt" {} ''
+          mkdir -p $out/bin/
+          cp ${gnome-shell}/bin/gnome-shell $out/bin
+          sed -i "s@${gnome-shell}/bin/@${config.security.wrapperDir}/@" $out/bin/gnome-shell
+        '';
+      in {
+        # Note we need to clear ExecStart before overriding it
+        serviceConfig.ExecStart = ["" "${gnomeShellRT}/bin/gnome-shell"];
+        # Do not use the default environment, it provides a broken PATH
+        environment = mkForce {};
+      };
+
       # Adapt from https://gitlab.gnome.org/GNOME/gnome-build-meta/blob/gnome-3-32/elements/core/meta-gnome-core-shell.bst
       environment.systemPackages = with pkgs.gnome3; [
         adwaita-icon-theme
diff --git a/nixos/modules/system/boot/plymouth.nix b/nixos/modules/system/boot/plymouth.nix
index adca3c3f66e7..23fce22366d8 100644
--- a/nixos/modules/system/boot/plymouth.nix
+++ b/nixos/modules/system/boot/plymouth.nix
@@ -25,6 +25,7 @@ let
     [Daemon]
     ShowDelay=0
     Theme=${cfg.theme}
+    ${cfg.extraConfig}
   '';
 
 in
@@ -65,6 +66,15 @@ in
         '';
       };
 
+      extraConfig = mkOption {
+        type = types.lines;
+        default = "";
+        description = ''
+          Literal string to append to <literal>configFile</literal>
+          and the config file generated by the plymouth module.
+        '';
+      };
+
     };
 
   };
diff --git a/nixos/modules/system/boot/systemd-unit-options.nix b/nixos/modules/system/boot/systemd-unit-options.nix
index c1f2c98afcd8..bee21f1a8f36 100644
--- a/nixos/modules/system/boot/systemd-unit-options.nix
+++ b/nixos/modules/system/boot/systemd-unit-options.nix
@@ -24,7 +24,7 @@ in rec {
       in
         if isList (head defs'')
         then concatLists defs''
-        else mergeOneOption loc defs';
+        else mergeEqualOption loc defs';
   };
 
   sharedOptions = {
diff --git a/nixos/modules/virtualisation/libvirtd.nix b/nixos/modules/virtualisation/libvirtd.nix
index 16b79d869193..edde7dde39ed 100644
--- a/nixos/modules/virtualisation/libvirtd.nix
+++ b/nixos/modules/virtualisation/libvirtd.nix
@@ -146,7 +146,8 @@ in {
       # this file is expected in /etc/qemu and not sysconfdir (/var/lib)
       etc."qemu/bridge.conf".text = lib.concatMapStringsSep "\n" (e:
         "allow ${e}") cfg.allowedBridges;
-      systemPackages = with pkgs; [ libvirt libressl.nc cfg.qemuPackage ];
+      systemPackages = with pkgs; [ libvirt libressl.nc iptables cfg.qemuPackage ];
+      etc.ethertypes.source = "${iptables}/etc/ethertypes";
     };
 
     boot.kernelModules = [ "tun" ];