nixpkgs/nixos/modules/services/misc/autofs.nix
Nikolay Amiantov 7e57e2c0fb autofs service: clear lockfile before start
autofs uses a lock file in /tmp to check if it's running -- unclean
shutdown breaks the service until one manually removes it.
2016-03-14 01:02:40 +03:00

96 lines
2.4 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.autofs;
autoMaster = pkgs.writeText "auto.master" cfg.autoMaster;
in
{
###### interface
options = {
services.autofs = {
enable = mkOption {
default = false;
description = "
Mount filesystems on demand. Unmount them automatically.
You may also be interested in afuese.
";
};
autoMaster = mkOption {
type = types.str;
example = literalExample ''
let
mapConf = pkgs.writeText "auto" '''
kernel -ro,soft,intr ftp.kernel.org:/pub/linux
boot -fstype=ext2 :/dev/hda1
windoze -fstype=smbfs ://windoze/c
removable -fstype=ext2 :/dev/hdd
cd -fstype=iso9660,ro :/dev/hdc
floppy -fstype=auto :/dev/fd0
server -rw,hard,intr / -ro myserver.me.org:/ \
/usr myserver.me.org:/usr \
/home myserver.me.org:/home
''';
in '''
/auto file:''${mapConf}
'''
'';
description = "
file contents of /etc/auto.master. See man auto.master
See man 5 auto.master and man 5 autofs.
";
};
timeout = mkOption {
default = 600;
description = "Set the global minimum timeout, in seconds, until directories are unmounted";
};
debug = mkOption {
default = false;
description = "
pass -d and -7 to automount and write log to /var/log/autofs
";
};
};
};
###### implementation
config = mkIf cfg.enable {
boot.kernelModules = [ "autofs4" ];
systemd.services.autofs =
{ description = "Filesystem automounter";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
preStart = ''
# There should be only one autofs service managed by systemd, so this should be safe.
rm -f /tmp/autofs-running
'';
serviceConfig = {
ExecStart = "${pkgs.autofs5}/sbin/automount ${if cfg.debug then "-d" else ""} -f -t ${builtins.toString cfg.timeout} ${autoMaster} ${if cfg.debug then "-l7" else ""}";
ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
};
};
};
}