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Merge pull request #10996 from oxij/nixos-label

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nixos: introduce system.nixosLabel support
This commit is contained in:
Arseniy Seroka 2016-01-09 20:52:08 +03:00
parent 84631f3227 119c8f91e7
commit c03fe79265
10 changed files with 77 additions and 39 deletions
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2
nixos/modules/installer/cd-dvd/installation-cd-base.nix
View file

@ -16,7 +16,7 @@ with lib;
];
# ISO naming.
isoImage.isoName = "${config.isoImage.isoBaseName}-${config.system.nixosVersion}-${pkgs.stdenv.system}.iso";
isoImage.isoName = "${config.isoImage.isoBaseName}-${config.system.nixosLabel}-${pkgs.stdenv.system}.iso";
isoImage.volumeID = substring 0 11 "NIXOS_ISO";

2
nixos/modules/installer/cd-dvd/iso-image.nix
View file

@ -39,7 +39,7 @@ let
DEFAULT boot
LABEL boot
MENU LABEL NixOS ${config.system.nixosVersion}${config.isoImage.appendToMenuLabel}
MENU LABEL NixOS ${config.system.nixosLabel}${config.isoImage.appendToMenuLabel}
LINUX /boot/bzImage
APPEND init=${config.system.build.toplevel}/init ${toString config.boot.kernelParams}
INITRD /boot/initrd

72
nixos/modules/misc/version.nix
View file

@ -2,13 +2,21 @@
with lib;
let
cfg = config.system;
releaseFile = "${toString pkgs.path}/.version";
suffixFile = "${toString pkgs.path}/.version-suffix";
revisionFile = "${toString pkgs.path}/.git-revision";
in
{
options = {
options.system = {
system.stateVersion = mkOption {
stateVersion = mkOption {
type = types.str;
default = config.system.nixosRelease;
default = cfg.nixosRelease;
description = ''
Every once in a while, a new NixOS release may change
configuration defaults in a way incompatible with stateful
@ -22,38 +30,63 @@ with lib;
'';
};
system.nixosVersion = mkOption {
nixosLabel = mkOption {
type = types.str;
description = ''
NixOS version name to be used in the names of generated
outputs and boot labels.
If you ever wanted to influence the labels in your GRUB menu,
this is option is for you.
Can be set directly or with <envar>NIXOS_LABEL</envar>
environment variable for <command>nixos-rebuild</command>,
e.g.:
<screen>
#!/bin/sh
today=`date +%Y%m%d`
branch=`(cd nixpkgs ; git branch 2>/dev/null | sed -n '/^\* / { s|^\* ||; p; }')`
revision=`(cd nixpkgs ; git rev-parse HEAD)`
export NIXOS_LABEL="$today.$branch-''${revision:0:7}"
nixos-rebuild switch</screen>
'';
};
nixosVersion = mkOption {
internal = true;
type = types.str;
description = "NixOS version.";
};
system.nixosRelease = mkOption {
nixosRelease = mkOption {
readOnly = true;
type = types.str;
default = readFile "${toString pkgs.path}/.version";
default = readFile releaseFile;
description = "NixOS release.";
};
system.nixosVersionSuffix = mkOption {
nixosVersionSuffix = mkOption {
internal = true;
type = types.str;
default = if pathExists suffixFile then readFile suffixFile else "pre-git";
description = "NixOS version suffix.";
};
system.nixosRevision = mkOption {
nixosRevision = mkOption {
internal = true;
type = types.str;
default = if pathExists revisionFile then readFile revisionFile else "master";
description = "NixOS Git revision hash.";
};
system.nixosCodeName = mkOption {
nixosCodeName = mkOption {
readOnly = true;
type = types.str;
description = "NixOS release code name.";
};
system.defaultChannel = mkOption {
defaultChannel = mkOption {
internal = true;
type = types.str;
default = https://nixos.org/channels/nixos-unstable;
@ -64,18 +97,15 @@ with lib;
config = {
system.nixosVersion = mkDefault (config.system.nixosRelease + config.system.nixosVersionSuffix);
system = {
# These defaults are set here rather than up there so that
# changing them would not rebuild the manual
nixosLabel = mkDefault (maybeEnv "NIXOS_LABEL" cfg.nixosVersion);
nixosVersion = mkDefault (maybeEnv "NIXOS_VERSION" (cfg.nixosRelease + cfg.nixosVersionSuffix));
system.nixosVersionSuffix =
let suffixFile = "${toString pkgs.path}/.version-suffix"; in
mkDefault (if pathExists suffixFile then readFile suffixFile else "pre-git");
system.nixosRevision =
let fn = "${toString pkgs.path}/.git-revision"; in
mkDefault (if pathExists fn then readFile fn else "master");
# Note: code names must only increase in alphabetical order.
system.nixosCodeName = "Emu";
# Note: code names must only increase in alphabetical order.
nixosCodeName = "Emu";
};
# Generate /etc/os-release. See
# http://0pointer.de/public/systemd-man/os-release.html for the

20
nixos/modules/services/ttys/agetty.nix
View file

@ -2,6 +2,13 @@
with lib;
let
autologinArg = optionalString (config.services.mingetty.autologinUser != null) "--autologin ${config.services.mingetty.autologinUser}";
gettyCmd = extraArgs: "@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login ${autologinArg} ${extraArgs}";
in
{
###### interface
@ -21,9 +28,9 @@ with lib;
greetingLine = mkOption {
type = types.str;
default = ''<<< Welcome to NixOS ${config.system.nixosVersion} (\m) - \l >>>'';
description = ''
Welcome line printed by mingetty.
The default shows current NixOS version label, machine type and tty.
'';
};
@ -55,10 +62,11 @@ with lib;
###### implementation
config = let
autologinArg = optionalString (config.services.mingetty.autologinUser != null) "--autologin ${config.services.mingetty.autologinUser}";
gettyCmd = extraArgs: "@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login ${autologinArg} ${extraArgs}";
in {
config = {
# Note: this is set here rather than up there so that changing
# nixosLabel would not rebuild manual pages
services.mingetty.greetingLine = mkDefault ''<<< Welcome to NixOS ${config.system.nixosLabel} (\m) - \l >>>'';
systemd.services."getty@" =
{ serviceConfig.ExecStart = gettyCmd "--noclear --keep-baud %I 115200,38400,9600 $TERM";
restartIfChanged = false;
@ -81,7 +89,7 @@ with lib;
{ serviceConfig.ExecStart = gettyCmd "--noclear --keep-baud console 115200,38400,9600 $TERM";
serviceConfig.Restart = "always";
restartIfChanged = false;
enable = mkDefault config.boot.isContainer;
enable = mkDefault config.boot.isContainer;
};
environment.etc = singleton

6
nixos/modules/system/activation/top-level.nix
View file

@ -67,7 +67,7 @@ let
echo -n "$configurationName" > $out/configuration-name
echo -n "systemd ${toString config.systemd.package.interfaceVersion}" > $out/init-interface-version
echo -n "$nixosVersion" > $out/nixos-version
echo -n "$nixosLabel" > $out/nixos-version
echo -n "$system" > $out/system
mkdir $out/fine-tune
@ -101,7 +101,7 @@ let
if [] == failed then pkgs.stdenv.mkDerivation {
name = let hn = config.networking.hostName;
nn = if (hn != "") then hn else "unnamed";
in "nixos-system-${nn}-${config.system.nixosVersion}";
in "nixos-system-${nn}-${config.system.nixosLabel}";
preferLocalBuild = true;
allowSubstitutes = false;
buildCommand = systemBuilder;
@ -115,7 +115,7 @@ let
config.system.build.installBootLoader
or "echo 'Warning: do not know how to make this configuration bootable; please enable a boot loader.' 1>&2; true";
activationScript = config.system.activationScripts.script;
nixosVersion = config.system.nixosVersion;
nixosLabel = config.system.nixosLabel;
configurationName = config.boot.loader.grub.configurationName;

4
nixos/modules/system/boot/loader/generic-extlinux-compatible/extlinux-conf-builder.sh
View file

@ -83,7 +83,7 @@ addEntry() {
timestampEpoch=$(stat -L -c '%Z' $path)
timestamp=$(date "+%Y-%m-%d %H:%M" -d @$timestampEpoch)
nixosVersion="$(cat $path/nixos-version)"
nixosLabel="$(cat $path/nixos-version)"
extraParams="$(cat $path/kernel-params)"
echo
@ -91,7 +91,7 @@ addEntry() {
if [ "$tag" = "default" ]; then
echo " MENU LABEL NixOS - Default"
else
echo " MENU LABEL NixOS - Configuration $tag ($timestamp - $nixosVersion)"
echo " MENU LABEL NixOS - Configuration $tag ($timestamp - $nixosLabel)"
fi
echo " LINUX ../nixos/$(basename $kernel)"
echo " INITRD ../nixos/$(basename $initrd)"

2
nixos/modules/virtualisation/azure-image.nix
View file

@ -26,7 +26,7 @@ in
${pkgs.vmTools.qemu}/bin/qemu-img convert -f raw -O vpc $diskImage $out/disk.vhd
rm $diskImage
'';
diskImageBase = "nixos-image-${config.system.nixosVersion}-${pkgs.stdenv.system}.raw";
diskImageBase = "nixos-image-${config.system.nixosLabel}-${pkgs.stdenv.system}.raw";
buildInputs = [ pkgs.utillinux pkgs.perl ];
exportReferencesGraph =
[ "closure" config.system.build.toplevel ];

2
nixos/modules/virtualisation/brightbox-image.nix
View file

@ -26,7 +26,7 @@ in
rm $diskImageBase
popd
'';
diskImageBase = "nixos-image-${config.system.nixosVersion}-${pkgs.stdenv.system}.raw";
diskImageBase = "nixos-image-${config.system.nixosLabel}-${pkgs.stdenv.system}.raw";
buildInputs = [ pkgs.utillinux pkgs.perl ];
exportReferencesGraph =
[ "closure" config.system.build.toplevel ];

2
nixos/modules/virtualisation/google-compute-image.nix
View file

@ -30,7 +30,7 @@ in
rm $out/disk.raw
popd
'';
diskImageBase = "nixos-image-${config.system.nixosVersion}-${pkgs.stdenv.system}.raw";
diskImageBase = "nixos-image-${config.system.nixosLabel}-${pkgs.stdenv.system}.raw";
buildInputs = [ pkgs.utillinux pkgs.perl ];
exportReferencesGraph =
[ "closure" config.system.build.toplevel ];

4
nixos/modules/virtualisation/virtualbox-image.nix
View file

@ -44,8 +44,8 @@ in {
system.build.virtualBoxOVA = pkgs.runCommand "virtualbox-ova"
{ buildInputs = [ pkgs.linuxPackages.virtualbox ];
vmName = "NixOS ${config.system.nixosVersion} (${pkgs.stdenv.system})";
fileName = "nixos-image-${config.system.nixosVersion}-${pkgs.stdenv.system}.ova";
vmName = "NixOS ${config.system.nixosLabel} (${pkgs.stdenv.system})";
fileName = "nixos-image-${config.system.nixosLabel}-${pkgs.stdenv.system}.ova";
}
''
echo "creating VirtualBox VM..."