pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6
7 cfg = config.services.autofs;
8
9 autoMaster = pkgs.writeText "auto.master" cfg.autoMaster;
10
11in
12
13{
14
15 ###### interface
16
17 options = {
18
19 services.autofs = {
20
21 enable = mkOption {
22 default = false;
23 description = ''
24 Mount filesystems on demand. Unmount them automatically.
25 You may also be interested in afuse.
26 '';
27 };
28
29 autoMaster = mkOption {
30 type = types.str;
31 example = literalExample ''
32 let
33 mapConf = pkgs.writeText "auto" '''
34 kernel -ro,soft,intr ftp.kernel.org:/pub/linux
35 boot -fstype=ext2 :/dev/hda1
36 windoze -fstype=smbfs ://windoze/c
37 removable -fstype=ext2 :/dev/hdd
38 cd -fstype=iso9660,ro :/dev/hdc
39 floppy -fstype=auto :/dev/fd0
40 server -rw,hard,intr / -ro myserver.me.org:/ \
41 /usr myserver.me.org:/usr \
42 /home myserver.me.org:/home
43 ''';
44 in '''
45 /auto file:''${mapConf}
46 '''
47 '';
48 description = ''
49 Contents of <literal>/etc/auto.master</literal> file. See <command>auto.master(5)</command> and <command>autofs(5)</command>.
50 '';
51 };
52
53 timeout = mkOption {
54 default = 600;
55 description = "Set the global minimum timeout, in seconds, until directories are unmounted";
56 };
57
58 debug = mkOption {
59 default = false;
60 description = ''
61 Pass -d and -7 to automount and write log to the system journal.
62 '';
63 };
64
65 };
66
67 };
68
69
70 ###### implementation
71
72 config = mkIf cfg.enable {
73
74 boot.kernelModules = [ "autofs4" ];
75
76 systemd.services.autofs =
77 { description = "Automounts filesystems on demand";
78 after = [ "network.target" "ypbind.service" "sssd.service" "network-online.target" ];
79 wants = [ "network-online.target" ];
80 wantedBy = [ "multi-user.target" ];
81
82 preStart = ''
83 # There should be only one autofs service managed by systemd, so this should be safe.
84 rm -f /tmp/autofs-running
85 '';
86
87 serviceConfig = {
88 Type = "forking";
89 PIDFile = "/run/autofs.pid";
90 ExecStart = "${pkgs.autofs5}/bin/automount ${optionalString cfg.debug "-d"} -p /run/autofs.pid -t ${builtins.toString cfg.timeout} ${autoMaster}";
91 ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
92 };
93 };
94
95 };
96
97}