Another attempt to integrate with OMV shared folders.

[omvzfs.git] / src / Utils.php

diff --git a/src/Utils.php b/src/Utils.php
index 1f1e8ebbc59ae6fb17c1ac23c9f3ee529c9ff393..0f67e369aa79ffe739eeebfd38a9d32c2a4ef4d2 100644 (file)
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -11,6 +11,24 @@ require_once("Zpool.php");
  */
 class OMVModuleZFSUtil {
 
+       /**
+        * Manages relocation of ZFS filesystem mountpoints in the OMV backend.
+        * Needed when the user changes mountpoint of a filesystem in the GUI.
+        *
+        */
+       public static function relocateFilesystem($name) {
+               global $xmlConfig;
+               $poolname = OMVModuleZFSUtil::getPoolname($name);
+               $pooluuid = OMVModuleZFSUtil::getUUIDbyName($poolname);
+               $ds = new OMVModuleZFSDataset($name);
+               $dir = $ds->getMountPoint();
+               $xpath = "//system/fstab/mntent[fsname='" . $pooluuid . "' and dir='" . $dir . "' and type='zfs']";
+               $object = $xmlConfig->get($xpath);
+               $object['dir'] = $property['value'];
+               $xmlConfig->replace($xpath, $object);
+               return null;
+       }
+       
        /**
         * Clears all ZFS labels on specified devices.
         * Needed for blkid to display proper data.
@@ -21,6 +39,7 @@ class OMVModuleZFSUtil {
                        $cmd = "zpool labelclear /dev/" . $disk . "1";
                        OMVModuleZFSUtil::exec($cmd,$out,$res);
                }
+               return null;
        }
 
        /**
@@ -58,15 +77,22 @@ class OMVModuleZFSUtil {
         */
        public static function deleteShares($name) {
                global $xmlConfig;
-               $tmp = new OMVModuleZFSDataset($name);
-               $reldirpath = OMVModuleZFSUtil::getReldirpath($tmp->getMountPoint());
                $poolname = OMVModuleZFSUtil::getPoolname($name);
                $pooluuid = OMVModuleZFSUtil::getUUIDbyName($poolname);
-               $xpath = "//system/fstab/mntent[fsname='" . $pooluuid . "']";
+               $ds = new OMVModuleZFSDataset($name);
+               $dir = $ds->getMountPoint();
+               $xpath = "//system/fstab/mntent[fsname='" . $pooluuid . "' and dir='" . $dir . "' and type='zfs']";
                $mountpoint = $xmlConfig->get($xpath);
                $mntentuuid = $mountpoint['uuid'];
-               $xpath = "//system/shares/sharedfolder[mntentref='" . $mntentuuid . "' and reldirpath='" . $reldirpath . "']";
-               $object = $xmlConfig->get($xpath);
+               $xpath = "//system/shares/sharedfolder[mntentref='" . $mntentuuid . "']";
+               $objects = $xmlConfig->getList($xpath);
+               foreach ($objects as $object) {
+                       $tmpxpath = sprintf("//*[contains(name(),'sharedfolderref')]".
+                               "[contains(.,'%s')]", $object['uuid']);
+                       if ($xmlConfig->exists($tmpxpath)) {
+                               throw new OMVModuleZFSException("The Filesystem is shared and in use. Please delete all references and try again.");
+                       }
+               }
                $xmlConfig->delete($xpath);
                $dispatcher = &OMVNotifyDispatcher::getInstance();
                $dispatcher->notify(OMV_NOTIFY_DELETE,"org.openmediavault.system.shares.sharedfolder",$object);
@@ -136,33 +162,33 @@ class OMVModuleZFSUtil {
        }
 
        /**
-        * Add any missing ZFS pool to the OMV backend
+        * Add any missing ZFS filesystems to the OMV backend
         *
         */
        public static function addMissingOMVMntEnt() {
                global $xmlConfig;
-               $cmd = "zpool list -H -o name";
+               $cmd = "zfs list -H -o name -t filesystem";
                OMVModuleZFSUtil::exec($cmd, $out, $res);
                foreach($out as $name) {
-                       $pooluuid = OMVModuleZFSUtil::getUUIDbyName($name);
-                       $xpath = "//system/fstab/mntent[fsname='" . $pooluuid . "']";
-                       $mountpoint = $xmlConfig->get($xpath);
-                       if (is_null($mountpoint)) {
-                               $uuid = OMVUtil::uuid();
-                               $pool = new OMVModuleZFSZpool($name);
-                               $dir = $pool->getMountPoint();
-                               $object = array(
-                                       "uuid" => $uuid,
-                                       "fsname" => $pooluuid,
-                                       "dir" => $dir,
-                                       "type" => "zfs",
-                                       "opts" => "rw,relatime,xattr,noacl",
-                                       "freq" => "0",
-                                       "passno" => "0"
-                               );
-                               $xmlConfig->set("//system/fstab",array("mntent" => $object));
-                               $dispatcher = &OMVNotifyDispatcher::getInstance();
-                               $dispatcher->notify(OMV_NOTIFY_CREATE,"org.openmediavault.system.fstab.mntent", $object);
+                       if (preg_match('/[\/]+/', $name)) {
+                               $poolname = OMVModuleZFSUtil::getPoolname($name);
+                               $pooluuid = OMVModuleZFSUtil::getUUIDbyName($poolname);
+                               $ds = new OMVModuleZFSDataset($name);
+                               $dir = $ds->getMountPoint();
+                               $xpath = "//system/fstab/mntent[fsname='" . $pooluuid . "' and dir='" . $dir . "' and type='zfs']";
+                               if (!($xmlConfig->exists($xpath))) {
+                                       $uuid = OMVUtil::uuid();
+                                       $object = array(
+                                               "uuid" => $uuid,
+                                               "fsname" => $pooluuid,
+                                               "dir" => $dir,
+                                               "type" => "zfs",
+                                               "opts" => "rw,relatime,xattr,noacl",
+                                               "freq" => "0",
+                                               "passno" => "0"
+                                       );
+                                       $xmlConfig->set("//system/fstab",array("mntent" => $object));
+                               }
                        }
                }
                return null;