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|
{ config, pkgs, ... }:
let
inherit (pkgs.lib) mkOption mkIf;
cfg = config.services.openafsClient;
cellServDB = pkgs.fetchurl {
url = http://dl.central.org/dl/cellservdb/CellServDB.2009-06-29;
sha256 = "be566f850e88130333ab8bc3462872ad90c9482e025c60a92f728b5bac1b4fa9";
};
afsConfig = pkgs.runCommand "afsconfig" {} ''
ensureDir $out
echo ${cfg.cellName} > $out/ThisCell
cp ${cellServDB} $out/CellServDB
echo "/afs:${cfg.cacheDirectory}:${cfg.cacheSize}" > $out/cacheinfo
'';
openafsPkgs = config.boot.kernelPackages.openafsClient;
in
{
###### interface
options = {
services.openafsClient = {
enable = mkOption {
default = false;
description = "Whether to enable the OpenAFS client.";
};
cellName = mkOption {
default = "grand.central.org";
description = "Cell name.";
};
cacheSize = mkOption {
default = "100000";
description = "Cache size.";
};
cacheDirectory = mkOption {
default = "/var/cache/openafs";
description = "Cache directory.";
};
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ openafsPkgs ];
environment.etc = [
{ source = afsConfig;
target = "openafs";
}
];
jobs.openafsClient =
{ name = "afsd";
description = "AFS client";
startOn = "started network-interfaces";
stopOn = "stopping network-interfaces";
preStart = ''
mkdir -m 0755 /afs || true
mkdir -m 0755 -p ${cfg.cacheDirectory} || true
${pkgs.module_init_tools}/sbin/insmod ${openafsPkgs}/lib/openafs/libafs-*.ko || true
${openafsPkgs}/sbin/afsd -confdir ${afsConfig} -cachedir ${cfg.cacheDirectory} -dynroot -fakestat
'';
postStop = ''
umount /afs
${openafsPkgs}/sbin/afsd -shutdown
rmmod libafs
'';
};
};
}
|