pyrox.dev
1{
2 config,
3 lib,
4 pkgs,
5 ...
6}:
7let
8
9 cfg = config.services.autofs;
10
11 autoMaster = pkgs.writeText "auto.master" cfg.autoMaster;
12
13in
14
15{
16
17 ###### interface
18
19 options = {
20
21 services.autofs = {
22
23 enable = lib.mkOption {
24 type = lib.types.bool;
25 default = false;
26 description = ''
27 Mount filesystems on demand. Unmount them automatically.
28 You may also be interested in afuse.
29 '';
30 };
31
32 autoMaster = lib.mkOption {
33 type = lib.types.str;
34 example = lib.literalExpression ''
35 let
36 mapConf = pkgs.writeText "auto" '''
37 kernel -ro,soft,intr ftp.kernel.org:/pub/linux
38 boot -fstype=ext2 :/dev/hda1
39 windoze -fstype=smbfs ://windoze/c
40 removable -fstype=ext2 :/dev/hdd
41 cd -fstype=iso9660,ro :/dev/hdc
42 floppy -fstype=auto :/dev/fd0
43 server -rw,hard,intr / -ro myserver.me.org:/ \
44 /usr myserver.me.org:/usr \
45 /home myserver.me.org:/home
46 ''';
47 in '''
48 /auto file:''${mapConf}
49 '''
50 '';
51 description = ''
52 Contents of `/etc/auto.master` file. See {manpage}`auto.master(5)` and {manpage}`autofs(5)`.
53 '';
54 };
55
56 timeout = lib.mkOption {
57 type = lib.types.int;
58 default = 600;
59 description = "Set the global minimum timeout, in seconds, until directories are unmounted";
60 };
61
62 debug = lib.mkOption {
63 type = lib.types.bool;
64 default = false;
65 description = ''
66 Pass -d and -7 to automount and write log to the system journal.
67 '';
68 };
69
70 };
71
72 };
73
74 ###### implementation
75
76 config = lib.mkIf cfg.enable {
77
78 boot.kernelModules = [ "autofs" ];
79
80 systemd.services.autofs = {
81 description = "Automounts filesystems on demand";
82 after = [
83 "network.target"
84 "ypbind.service"
85 "sssd.service"
86 "network-online.target"
87 ];
88 wants = [ "network-online.target" ];
89 wantedBy = [ "multi-user.target" ];
90
91 preStart = ''
92 # There should be only one autofs service managed by systemd, so this should be safe.
93 rm -f /tmp/autofs-running
94 '';
95
96 serviceConfig = {
97 Type = "forking";
98 PIDFile = "/run/autofs.pid";
99 ExecStart = "${pkgs.autofs5}/bin/automount ${lib.optionalString cfg.debug "-d"} -p /run/autofs.pid -t ${builtins.toString cfg.timeout} ${autoMaster}";
100 ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
101 };
102 };
103
104 };
105
106}