1 files changed, 90 insertions, 0 deletions
diff --git a/nixos/modules/services/network-filesystems/openafs-client/default.nix b/nixos/modules/services/network-filesystems/openafs-client/default.nix
new file mode 100644
index 00000000000..4a888b64bd3
--- /dev/null
+++ b/nixos/modules/services/network-filesystems/openafs-client/default.nix
@@ -0,0 +1,90 @@
+{ 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
+	'';
+
+      };
+
+  };
+
+}