Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

grub module: add extraInitrd option #22969

Merged
merged 1 commit into from
Feb 20, 2017
Merged

grub module: add extraInitrd option #22969

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 14 additions & 1 deletion nixos/modules/system/boot/loader/grub/grub.nix
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down Expand Up @@ -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;
Expand Down
14 changes: 14 additions & 0 deletions nixos/modules/system/boot/loader/grub/install-grub.pl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ sub runCommand {
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 $copyKernels = get("copyKernels") eq "true";
Expand Down Expand Up @@ -226,6 +227,13 @@ sub GrubFs {
if ($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";
Expand Down Expand Up @@ -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: $confName
Expand All @@ -358,6 +369,9 @@ sub addEntry {
if ($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";
Expand Down