nixpkgs/upstart-jobs/autofs.nix
Marc Weber 4f2725c54a adding autofs support to modular nixos.
autofs/automount is used to mount cdroms
floppies or network drivers on the fly..

svn path=/nixos/branches/modular-nixos/; revision=15420
2009-05-01 05:43:41 +00:00

107 lines
2.7 KiB
Nix

{pkgs, config, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mkIf;
options = {
services = {
autofs = {
enable = mkOption {
default = false;
description = "
automatically mount and unmount filesystems
";
};
autoMaster = mkOption {
example = ''
autoMaster = let
map = 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:${map}
'''
'';
description = "
file contents of /etc/auto.master. See man auto.master
see
man auto.master and man 5 autofs
";
};
timeout = mkOption {
default = 600;
description = "Set the global minimum timeout, in seconds, until directories are unmounted";
};
debug = mkOption {
default = false;
description = "pass -d to automount and write log to /var/log/autofs";
};
};
};
};
###### implementation
inherit (pkgs) lib writeTextopenssh autofs5;
cfg = (config.services.autofs);
modprobe = config.system.sbin.modprobe;
in
mkIf cfg.enable {
require = [
options
];
environment = {
etc =
[ {
target = "auto.master";
source = pkgs.writeText "auto.master" cfg.autoMaster;
}];
};
services = {
extraJobs = [
{
name = "autofs";
# kernel module autofs supports kernel protocol v3
# kernel module autofs4 supports kernel protocol v3, v4, v5
job = ''
description "automatically mount filesystems"
start on network-interfaces/started
stop on network-interfaces/stop
PATH=${pkgs.nfsUtils}/sbin:${modprobe}/sbin
start script
modprobe autofs4 || true
end script
script
${if cfg.debug then "exec &> /var/log/autofs" else ""}
${pkgs.autofs5}/sbin/automount -f -t ${builtins.toString cfg.timeout} ${if cfg.debug then "-d" else ""} "${pkgs.writeText "auto.master" cfg.autoMaster}"
end script
'';
}
];
};
}