Merge "Ipxe" PR #5208

Fixed some indentation issues

nixos/modules/module-list.nix

@@ -359,6 +359,7 @@
   ./system/boot/loader/efi.nix
   ./system/boot/loader/generations-dir/generations-dir.nix
   ./system/boot/loader/grub/grub.nix
+  ./system/boot/loader/grub/ipxe.nix
   ./system/boot/loader/grub/memtest.nix
   ./system/boot/loader/gummiboot/gummiboot.nix
   ./system/boot/loader/init-script/init-script.nix

nixos/modules/system/boot/loader/grub/install-grub.pl

@@ -341,8 +341,9 @@ addEntry("NixOS - Default", $defaultConfig);
 
 $conf .= "$extraEntries\n" unless $extraEntriesBeforeNixOS;
 
+my $grubBootPath = $grubBoot->path;
 # extraEntries could refer to @bootRoot@, which we have to substitute
-$conf =~ s/\@bootRoot\@/$grubBoot->path/g;
+$conf =~ s/\@bootRoot\@/$grubBootPath/g;
 
 # Emit submenus for all system profiles.
 sub addProfile {

nixos/modules/system/boot/loader/grub/ipxe.nix

@@ -0,0 +1,64 @@
+# This module adds a scripted iPXE entry to the GRUB boot menu.
+
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+  scripts = builtins.attrNames config.boot.loader.grub.ipxe;
+
+  grubEntry = name:
+    ''
+      menuentry "iPXE - ${name}" {
+        linux16 @bootRoot@/ipxe.lkrn
+        initrd16 @bootRoot@/${name}.ipxe
+      }
+
+    '';
+
+  scriptFile = name:
+    let
+      value = builtins.getAttr name config.boot.loader.grub.ipxe;
+    in
+    if builtins.typeOf value == "path" then value
+    else builtins.toFile "${name}.ipxe" value;
+in
+{
+  options =
+    { boot.loader.grub.ipxe = mkOption {
+        type = types.attrsOf (types.either types.path types.str);
+        description =
+          ''
+            Set of iPXE scripts available for
+            booting from the GRUB boot menu.
+          '';
+        default = { };
+        example = literalExample ''
+          { demo = '''
+              #!ipxe
+              dhcp
+              chain http://boot.ipxe.org/demo/boot.php
+            ''';
+          };
+        '';
+      };
+    };
+
+  config = mkIf (builtins.length scripts != 0) {
+
+    boot.loader.grub.extraEntries =
+      if config.boot.loader.grub.version == 2 then
+        toString (map grubEntry scripts)
+      else
+        throw "iPXE is not supported with GRUB 1.";
+
+    boot.loader.grub.extraFiles =
+      { "ipxe.lkrn" = "${pkgs.ipxe}/ipxe.lkrn"; }
+      //
+      builtins.listToAttrs ( map
+        (name: { name = name+".ipxe"; value = scriptFile name; })
+        scripts
+      );
+  };
+
+}

pkgs/tools/misc/ipxe/default.nix

@@ -0,0 +1,39 @@
+{ stdenv, fetchgit, perl, cdrkit, syslinux }:
+
+let
+  date = "20141124";
+  rev = "5cbdc41778622c07429e00f5aee383b575532bf0";
+in
+
+stdenv.mkDerivation {
+  name = "ipxe-${date}-${builtins.substring 0 7 rev}";
+
+  buildInputs = [ perl cdrkit syslinux ];
+
+  src = fetchgit {
+    url = git://git.ipxe.org/ipxe.git;
+    sha256 = "22f427df9141a2bbb319b51bdca4f2b7d3a4cbb5d1b2dcb35a43460eac59d305";
+    inherit rev;
+  };
+
+  sourceRoot = "git-export/src";
+
+  makeFlags =
+    [ "ECHO_E_BIN_ECHO=echo" "ECHO_E_BIN_ECHO_E=echo" # No /bin/echo here.
+      "ISOLINUX_BIN_LIST=${syslinux}/share/syslinux/isolinux.bin"
+    ];
+
+  installPhase =
+    ''
+      mkdir $out
+      cp bin/ipxe.dsk bin/ipxe.usb bin/ipxe.iso bin/ipxe.lkrn $out
+    '';
+
+  meta = with stdenv.lib;
+    { description = "Network boot firmware";
+      homepage = http://ipxe.org/;
+      license = licenses.gpl2;
+      maintainers = with maintainers; [ emery ];
+      platforms = platforms.all;
+    };
+}

pkgs/top-level/all-packages.nix

@@ -1508,6 +1508,8 @@ let
 
   ipmiutil = callPackage ../tools/system/ipmiutil {};
 
+  ipxe = callPackage ../tools/misc/ipxe { };
+
   ised = callPackage ../tools/misc/ised {};
 
   isl = callPackage ../development/libraries/isl { };