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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.getty;
baseArgs = [
"--login-program" "${cfg.loginProgram}"
] ++ optionals (cfg.autologinUser != null) [
"--autologin" cfg.autologinUser
] ++ optionals (cfg.loginOptions != null) [
"--login-options" cfg.loginOptions
] ++ cfg.extraArgs;
gettyCmd = args:
"@${pkgs.util-linux}/sbin/agetty agetty ${escapeShellArgs baseArgs} ${args}";
in
{
###### interface
imports = [
(mkRenamedOptionModule [ "services" "mingetty" ] [ "services" "getty" ])
(mkRemovedOptionModule [ "services" "getty" "serialSpeed" ] ''set non-standard baudrates with `boot.kernelParams` i.e. boot.kernelParams = ["console=ttyS2,1500000"];'')
];
options = {
services.getty = {
autologinUser = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Username of the account that will be automatically logged in at the console.
If unspecified, a login prompt is shown as usual.
'';
};
loginProgram = mkOption {
type = types.path;
default = "${pkgs.shadow}/bin/login";
defaultText = literalExpression ''"''${pkgs.shadow}/bin/login"'';
description = ''
Path to the login binary executed by agetty.
'';
};
loginOptions = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Template for arguments to be passed to
<citerefentry><refentrytitle>login</refentrytitle>
<manvolnum>1</manvolnum></citerefentry>.
See <citerefentry><refentrytitle>agetty</refentrytitle>
<manvolnum>1</manvolnum></citerefentry> for details,
including security considerations. If unspecified, agetty
will not be invoked with a <option>--login-options</option>
option.
'';
example = "-h darkstar -- \\u";
};
extraArgs = mkOption {
type = types.listOf types.str;
default = [ ];
description = ''
Additional arguments passed to agetty.
'';
example = [ "--nohostname" ];
};
greetingLine = mkOption {
type = types.str;
description = ''
Welcome line printed by agetty.
The default shows current NixOS version label, machine type and tty.
'';
};
helpLine = mkOption {
type = types.lines;
default = "";
description = ''
Help line printed by agetty below the welcome line.
Used by the installation CD to give some hints on
how to proceed.
'';
};
};
};
###### implementation
config = {
# Note: this is set here rather than up there so that changing
# nixos.label would not rebuild manual pages
services.getty.greetingLine = mkDefault ''<<< Welcome to NixOS ${config.system.nixos.label} (\m) - \l >>>'';
systemd.services."getty@" =
{ serviceConfig.ExecStart = [
"" # override upstream default with an empty ExecStart
(gettyCmd "--noclear --keep-baud %I 115200,38400,9600 $TERM")
];
restartIfChanged = false;
};
systemd.services."serial-getty@" =
{ serviceConfig.ExecStart = [
"" # override upstream default with an empty ExecStart
(gettyCmd "%I --keep-baud $TERM")
];
restartIfChanged = false;
};
systemd.services."autovt@" =
{ serviceConfig.ExecStart = [
"" # override upstream default with an empty ExecStart
(gettyCmd "--noclear %I $TERM")
];
restartIfChanged = false;
};
systemd.services."container-getty@" =
{ serviceConfig.ExecStart = [
"" # override upstream default with an empty ExecStart
(gettyCmd "--noclear --keep-baud pts/%I 115200,38400,9600 $TERM")
];
restartIfChanged = false;
};
systemd.services.console-getty =
{ serviceConfig.ExecStart = [
"" # override upstream default with an empty ExecStart
(gettyCmd "--noclear --keep-baud console 115200,38400,9600 $TERM")
];
serviceConfig.Restart = "always";
restartIfChanged = false;
enable = mkDefault config.boot.isContainer;
};
environment.etc.issue =
{ # Friendly greeting on the virtual consoles.
source = pkgs.writeText "issue" ''
[1;32m${config.services.getty.greetingLine}[0m
${config.services.getty.helpLine}
'';
};
};
}
|