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agetty: Add autologinUser config option

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This option causes the specified user to be automatically logged in at
the virtual console.

While at it, refactor and make a helper function for building the getty
command line.
This commit is contained in:
Tuomas Tynkkynen 2015-04-12 05:14:24 +03:00
parent c1556f70d7
commit 7d916bb27e
1 changed files with 17 additions and 6 deletions
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23
nixos/modules/services/ttys/agetty.nix
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@ -10,6 +10,15 @@ with lib;
services.mingetty = {
autologinUser = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Username of the account that will be automatically logged in at the console.
If unspecified, a login prompt is shown as usual.
'';
};
greetingLine = mkOption {
type = types.str;
default = ''<<< Welcome to NixOS ${config.system.nixosVersion} (\m) - \l >>>'';
@ -46,28 +55,30 @@ with lib;
###### implementation
config = {
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} ${extraArgs}";
in {
systemd.services."getty@" =
{ serviceConfig.ExecStart = "@${pkgs.utillinux}/sbin/agetty agetty --noclear --login-program ${pkgs.shadow}/bin/login --keep-baud %I 115200,38400,9600 $TERM";
{ serviceConfig.ExecStart = gettyCmd "--noclear --keep-baud %I 115200,38400,9600 $TERM";
restartIfChanged = false;
};
systemd.services."serial-getty@" =
{ serviceConfig.ExecStart =
let speeds = concatStringsSep "," (map toString config.services.mingetty.serialSpeed);
in "@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login %I ${speeds} $TERM";
in gettyCmd "%I ${speeds} $TERM";
restartIfChanged = false;
};
systemd.services."container-getty@" =
{ unitConfig.ConditionPathExists = "/dev/pts/%I"; # Work around being respawned when "machinectl login" exits.
serviceConfig.ExecStart = "@${pkgs.utillinux}/sbin/agetty agetty --noclear --login-program ${pkgs.shadow}/bin/login --keep-baud pts/%I 115200,38400,9600 $TERM";
serviceConfig.ExecStart = gettyCmd "--noclear --keep-baud pts/%I 115200,38400,9600 $TERM";
restartIfChanged = false;
};
systemd.services."console-getty" =
{ serviceConfig.ExecStart = "@${pkgs.utillinux}/sbin/agetty agetty --noclear --login-program ${pkgs.shadow}/bin/login --keep-baud console 115200,38400,9600 $TERM";
{ serviceConfig.ExecStart = gettyCmd "--noclear --keep-baud console 115200,38400,9600 $TERM";
serviceConfig.Restart = "always";
restartIfChanged = false;
enable = mkDefault config.boot.isContainer;