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author | Symphorien Gibol <symphorien+git@xlumurb.eu> | 2017-02-18 23:30:24 +0100 |
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committer | Symphorien Gibol <symphorien+git@xlumurb.eu> | 2017-02-19 10:50:22 +0100 |
commit | 9ed2846e046db0a896145fdee64f22e810a92c90 (patch) | |
tree | ebaf7063f847e6fd7a3b80c9983502c0cb49cb73 /nixos/modules/system | |
parent | a9584c9510771f96594b4461e9ea546a75bf59d4 (diff) | |
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grub module: add extraInitrd option
Diffstat (limited to 'nixos/modules/system')
-rw-r--r-- | nixos/modules/system/boot/loader/grub/grub.nix | 15 | ||||
-rw-r--r-- | nixos/modules/system/boot/loader/grub/install-grub.pl | 14 |
2 files changed, 28 insertions, 1 deletions
diff --git a/nixos/modules/system/boot/loader/grub/grub.nix b/nixos/modules/system/boot/loader/grub/grub.nix index 23b970186a39..5ab2d0775518 100644 --- a/nixos/modules/system/boot/loader/grub/grub.nix +++ b/nixos/modules/system/boot/loader/grub/grub.nix @@ -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; diff --git a/nixos/modules/system/boot/loader/grub/install-grub.pl b/nixos/modules/system/boot/loader/grub/install-grub.pl index c9a51288747b..c7559cd634a2 100644 --- a/nixos/modules/system/boot/loader/grub/install-grub.pl +++ b/nixos/modules/system/boot/loader/grub/install-grub.pl @@ -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"; |