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Merge pull request #22969 from symphorien/extrainitrd

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grub module: add extraInitrd option
This commit is contained in:
Franz Pletz 2017-02-20 04:32:48 +01:00 committed by GitHub
commit 60555c7c0a
2 changed files with 28 additions and 1 deletions
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15
nixos/modules/system/boot/loader/grub/grub.nix
View File

@ -54,7 +54,7 @@ let
inherit (efi) canTouchEfiVariables;
inherit (cfg)
version extraConfig extraPerEntryConfig extraEntries forceInstall useOSProber
extraEntriesBeforeNixOS extraPrepareConfig configurationLimit copyKernels
extraEntriesBeforeNixOS extraPrepareConfig extraInitrd configurationLimit copyKernels
default fsIdentifier efiSupport efiInstallAsRemovable gfxmodeEfi gfxmodeBios;
path = (makeBinPath ([
pkgs.coreutils pkgs.gnused pkgs.gnugrep pkgs.findutils pkgs.diffutils pkgs.btrfs-progs
@ -267,6 +267,19 @@ in
'';
};
extraInitrd = mkOption {
type = types.nullOr types.path;
default = null;
example = "/boot/extra_initrafms.gz";
description = ''
The path to a second initramfs to be supplied to the kernel.
This ramfs will not be copied to the store, so that it can
contain secrets such as LUKS keyfiles or ssh keys.
This implies that rolling back to a previous configuration
won't rollback the state of this file.
'';
};
useOSProber = mkOption {
default = false;
type = types.bool;

14
nixos/modules/system/boot/loader/grub/install-grub.pl
View File

@ -49,6 +49,7 @@ my $extraPrepareConfig = get("extraPrepareConfig");
my $extraPerEntryConfig = get("extraPerEntryConfig");
my $extraEntries = get("extraEntries");
my $extraEntriesBeforeNixOS = get("extraEntriesBeforeNixOS") eq "true";
my $extraInitrd = get("extraInitrd");
my $splashImage = get("splashImage");
my $configurationLimit = int(get("configurationLimit"));
my $copyKernels = get("copyKernels") eq "true";
@ -226,6 +227,13 @@ my $grubStore;
if ($copyKernels == 0) {
$grubStore = GrubFs($storePath);
}
my $extraInitrdPath;
if ($extraInitrd) {
if (! -f $extraInitrd) {
print STDERR "Warning: the specified extraInitrd " . $extraInitrd . " doesn't exist. Your system won't boot without it.\n";
}
$extraInitrdPath = GrubFs($extraInitrd);
}
# Generate the header.
my $conf .= "# Automatically generated. DO NOT EDIT THIS FILE!\n";
@ -336,6 +344,9 @@ sub addEntry {
my $kernel = copyToKernelsDir(Cwd::abs_path("$path/kernel"));
my $initrd = copyToKernelsDir(Cwd::abs_path("$path/initrd"));
if ($extraInitrd) {
$initrd .= " " .$extraInitrdPath->path;
}
my $xen = -e "$path/xen.gz" ? copyToKernelsDir(Cwd::abs_path("$path/xen.gz")) : undef;
# FIXME: $confName
@ -358,6 +369,9 @@ sub addEntry {
if ($copyKernels == 0) {
$conf .= $grubStore->search . "\n";
}
if ($extraInitrd) {
$conf .= $extraInitrdPath->search . "\n";
}
$conf .= " $extraPerEntryConfig\n" if $extraPerEntryConfig;
$conf .= " multiboot $xen $xenParams\n" if $xen;
$conf .= " " . ($xen ? "module" : "linux") . " $kernel $kernelParams\n";