100 lines
2.6 KiB
Nix
100 lines
2.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.autofs;
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autoMaster = pkgs.writeText "auto.master" cfg.autoMaster;
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in
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{
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###### interface
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options = {
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services.autofs = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Mount filesystems on demand. Unmount them automatically.
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You may also be interested in afuse.
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'';
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};
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autoMaster = mkOption {
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type = types.str;
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example = literalExpression ''
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let
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mapConf = pkgs.writeText "auto" '''
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kernel -ro,soft,intr ftp.kernel.org:/pub/linux
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boot -fstype=ext2 :/dev/hda1
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windoze -fstype=smbfs ://windoze/c
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removable -fstype=ext2 :/dev/hdd
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cd -fstype=iso9660,ro :/dev/hdc
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floppy -fstype=auto :/dev/fd0
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server -rw,hard,intr / -ro myserver.me.org:/ \
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/usr myserver.me.org:/usr \
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/home myserver.me.org:/home
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''';
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in '''
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/auto file:''${mapConf}
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'''
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'';
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description = ''
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Contents of <literal>/etc/auto.master</literal> file. See <command>auto.master(5)</command> and <command>autofs(5)</command>.
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'';
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};
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timeout = mkOption {
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type = types.int;
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default = 600;
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description = "Set the global minimum timeout, in seconds, until directories are unmounted";
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};
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debug = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Pass -d and -7 to automount and write log to the system journal.
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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 = mkIf cfg.enable {
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boot.kernelModules = [ "autofs4" ];
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systemd.services.autofs =
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{ description = "Automounts filesystems on demand";
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after = [ "network.target" "ypbind.service" "sssd.service" "network-online.target" ];
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wants = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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# There should be only one autofs service managed by systemd, so this should be safe.
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rm -f /tmp/autofs-running
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'';
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serviceConfig = {
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Type = "forking";
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PIDFile = "/run/autofs.pid";
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ExecStart = "${pkgs.autofs5}/bin/automount ${optionalString cfg.debug "-d"} -p /run/autofs.pid -t ${builtins.toString cfg.timeout} ${autoMaster}";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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};
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};
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};
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}
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