forked from mirrors/nixpkgs
1331b3d252
It is expected that the baudrate is already initialized before the getty is started. Therefore the serialSpeed option is redundant.
163 lines
4.5 KiB
Nix
163 lines
4.5 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.getty;
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baseArgs = [
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"--login-program" "${cfg.loginProgram}"
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] ++ optionals (cfg.autologinUser != null) [
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"--autologin" cfg.autologinUser
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] ++ optionals (cfg.loginOptions != null) [
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"--login-options" cfg.loginOptions
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] ++ cfg.extraArgs;
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gettyCmd = args:
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"@${pkgs.util-linux}/sbin/agetty agetty ${escapeShellArgs baseArgs} ${args}";
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in
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{
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###### interface
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imports = [
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(mkRenamedOptionModule [ "services" "mingetty" ] [ "services" "getty" ])
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(mkRemovedOptionModule [ "services" "getty" "serialSpeed" ] ''set non-standard baudrates with `boot.kernelParams` i.e. boot.kernelParams = ["console=ttyS2,1500000"];'')
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];
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options = {
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services.getty = {
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autologinUser = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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Username of the account that will be automatically logged in at the console.
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If unspecified, a login prompt is shown as usual.
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'';
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};
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loginProgram = mkOption {
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type = types.path;
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default = "${pkgs.shadow}/bin/login";
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defaultText = literalExpression ''"''${pkgs.shadow}/bin/login"'';
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description = ''
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Path to the login binary executed by agetty.
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'';
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};
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loginOptions = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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Template for arguments to be passed to
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<citerefentry><refentrytitle>login</refentrytitle>
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<manvolnum>1</manvolnum></citerefentry>.
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See <citerefentry><refentrytitle>agetty</refentrytitle>
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<manvolnum>1</manvolnum></citerefentry> for details,
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including security considerations. If unspecified, agetty
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will not be invoked with a <option>--login-options</option>
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option.
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'';
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example = "-h darkstar -- \\u";
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};
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extraArgs = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = ''
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Additional arguments passed to agetty.
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'';
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example = [ "--nohostname" ];
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};
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greetingLine = mkOption {
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type = types.str;
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description = ''
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Welcome line printed by agetty.
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The default shows current NixOS version label, machine type and tty.
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'';
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};
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helpLine = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Help line printed by agetty below the welcome line.
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Used by the installation CD to give some hints on
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how to proceed.
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'';
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};
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};
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};
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###### implementation
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config = {
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# Note: this is set here rather than up there so that changing
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# nixos.label would not rebuild manual pages
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services.getty.greetingLine = mkDefault ''<<< Welcome to NixOS ${config.system.nixos.label} (\m) - \l >>>'';
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systemd.services."getty@" =
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{ serviceConfig.ExecStart = [
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"" # override upstream default with an empty ExecStart
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(gettyCmd "--noclear --keep-baud %I 115200,38400,9600 $TERM")
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];
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restartIfChanged = false;
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};
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systemd.services."serial-getty@" =
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{ serviceConfig.ExecStart = [
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"" # override upstream default with an empty ExecStart
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(gettyCmd "%I --keep-baud $TERM")
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];
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restartIfChanged = false;
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};
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systemd.services."autovt@" =
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{ serviceConfig.ExecStart = [
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"" # override upstream default with an empty ExecStart
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(gettyCmd "--noclear %I $TERM")
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];
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restartIfChanged = false;
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};
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systemd.services."container-getty@" =
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{ serviceConfig.ExecStart = [
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"" # override upstream default with an empty ExecStart
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(gettyCmd "--noclear --keep-baud pts/%I 115200,38400,9600 $TERM")
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];
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restartIfChanged = false;
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};
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systemd.services.console-getty =
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{ serviceConfig.ExecStart = [
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"" # override upstream default with an empty ExecStart
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(gettyCmd "--noclear --keep-baud console 115200,38400,9600 $TERM")
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];
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serviceConfig.Restart = "always";
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restartIfChanged = false;
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enable = mkDefault config.boot.isContainer;
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};
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environment.etc.issue =
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{ # Friendly greeting on the virtual consoles.
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source = pkgs.writeText "issue" ''
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[1;32m${config.services.getty.greetingLine}[0m
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${config.services.getty.helpLine}
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'';
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};
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};
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}
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