require_once("Exception.php");
require_once("openmediavault/util.inc");
require_once("Dataset.php");
+require_once("Zvol.php");
+require_once("Vdev.php");
+require_once("Zpool.php");
/**
* Helper class for ZFS module
*/
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, $object);
+ return null;
+ }
+
+ /**
+ * Clears all ZFS labels on specified devices.
+ * Needed for blkid to display proper data.
+ *
+ */
+ public static function clearZFSLabel($disks) {
+ foreach ($disks as $disk) {
+ $cmd = "zpool labelclear /dev/" . $disk . "1";
+ OMVModuleZFSUtil::exec($cmd,$out,$res);
+ }
+ return null;
+ }
+
+ /**
+ * Return all disks in /dev/sdXX used by the pool
+ *
+ * @return array An array with all the disks
+ */
+ public static function getDevDisksByPool($name) {
+ $pool = new OMVModuleZFSZpool($name);
+ $disks = array();
+ $vdevs = $pool->getVdevs();
+ foreach ($vdevs as $vdev) {
+ $vdisks = $vdev->getDisks();
+ foreach ($vdisks as $vdisk) {
+ if (preg_match('/^[a-z0-9]+$/', $vdisk)) {
+ $disks[] = $vdisk;
+ continue;
+ }
+ $cmd = "ls -la /dev/disk/by-path/" . $vdisk;
+ unset($out);
+ OMVModuleZFSUtil::exec($cmd,$out,$res);
+ if (count($out) === 1) {
+ if (preg_match('/^.*\/([a-z0-9]+)$/', $out[0], $match)) {
+ $disks[] = $match[1];
+ }
+ }
+ }
+ }
+ return($disks);
+ }
+
+ /**
+ * Deletes all shared folders pointing to the specifc path
+ *
+ */
+ public static function deleteShares($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']";
+ $mountpoint = $xmlConfig->get($xpath);
+ $mntentuuid = $mountpoint['uuid'];
+ $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);
+ }
+
+ /**
+ * Get the relative path by complete path
+ *
+ * @return string Relative path of the complet path
+ */
+ public static function getReldirpath($path) {
+ $subdirs = preg_split('/\//',$path);
+ $reldirpath = "";
+ for ($i=2;$i<count($subdirs);$i++) {
+ $reldirpath .= $subdirs[$i] . "/";
+ }
+ return(rtrim($reldirpath, "/"));
+
+ }
+
+ /**
+ * Get /dev/disk/by-path from /dev/sdX
+ *
+ * @return string Disk identifier
+ */
+ public static function getDiskPath($disk) {
+ preg_match("/^.*\/([A-Za-z0-9]+)$/", $disk, $identifier);
+ $cmd = "ls -la /dev/disk/by-path | grep '$identifier[1]$'";
+ OMVModuleZFSUtil::exec($cmd, $out, $res);
+ if (is_array($out)) {
+ $cols = preg_split('/[\s]+/', $out[0]);
+ return($cols[count($cols)-3]);
+ }
+ }
+
+
+ /**
+ * Get poolname from name of dataset/volume etc.
+ *
+ * @return string Name of the pool
+ */
+ public static function getPoolname($name) {
+ $tmp = preg_split('/[\/]+/', $name);
+ return($tmp[0]);
+ }
+
+ /**
+ * Get UUID of ZFS pool by name
+ *
+ * @return string UUID of the pool
+ */
+ public static function getUUIDbyName($poolname) {
+ $cmd = "zpool get guid " . $poolname . " 2>&1";
+ OMVModuleZFSUtil::exec($cmd, $out, $res);
+ if (isset($out)) {
+ $headers = preg_split('/[\s]+/', $out[0]);
+ for ($i=0; $i<count($headers); $i++) {
+ if (strcmp($headers[$i], "VALUE") === 0) {
+ $valuecol=$i;
+ break;
+ }
+ }
+ $line = preg_split('/[\s]+/', $out[1]);
+ return $line[$valuecol];
+ }
+ return null;
+ }
+
+ /**
+ * Add any missing ZFS filesystems to the OMV backend
+ *
+ */
+ public static function addMissingOMVMntEnt() {
+ global $xmlConfig;
+ $cmd = "zfs list -H -o name -t filesystem";
+ OMVModuleZFSUtil::exec($cmd, $out, $res);
+ foreach($out as $name) {
+ 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",
+ "hidden" => "1"
+ );
+ $xmlConfig->set("//system/fstab",array("mntent" => $object));
+ }
+ }
+ }
+ return null;
+ }
+
/**
* Get an array with all ZFS objects
*
$prefix = "root/pool-";
$objects = array();
$cmd = "zfs list -H -t all -o name,type 2>&1";
+ $expanded = true;
OMVModuleZFSUtil::exec($cmd,$out,$res);
foreach ($out as $line) {
$parts = preg_split('/\t/',$line);
- if ((strpos($parts[0],'/') === false) && (strpos($parts[0],'@') === false)) {
- $tmp = array('id'=>$prefix . $parts[0],
- 'parentid'=>'root',
- 'name'=>$parts[0],
- 'type'=>'Pool',
- 'icon'=>'images/raid.png',
- 'expanded'=>true,
- 'path'=>$parts[0]);
- array_push($objects,$tmp);
- $tmp = array('id'=>$prefix . $parts[0] . '/' . $parts[0],
- 'parentid'=>$prefix . $parts[0],
- 'name'=>$parts[0],
- 'type'=>'Filesystem',
- 'icon'=>'images/filesystem.png',
- 'path'=>$parts[0],
- 'expanded'=>true);
- array_push($objects,$tmp);
- } elseif (strpos($parts[0],'/') === false) {
- $pname = preg_split('/\@/',$parts[0]);
- $tmp = array('id'=>$prefix . $pname[0] . '/' . $parts[0],
- 'parentid'=>$prefix . $pname[0]. '/' . $pname[0],
- 'name'=>$pname[1],
- 'type'=>'Snapshot',
- 'icon'=>'images/zfs_snap.png',
- 'path'=>$parts[0],
- 'expanded'=>true);
- array_push($objects,$tmp);
- } elseif (preg_match('/(.*)\@(.*)$/', $parts[0], $result)) {
- $pname = preg_split('/\//',$parts[0]);
- $id = $prefix . $pname[0] . "/" . $result[0];
- $parentid = $prefix . $pname[0] . "/" . $result[1];
- $name = $result[2];
- $type = "Snapshot";
- $icon = "images/zfs_snap.png";
- $tmp = array('id'=>$id,
- 'parentid'=>$parentid,
- 'name'=>$name,
- 'type'=>$type,
- 'icon'=>$icon,
- 'path'=>$parts[0],
- 'expanded'=>true);
- array_push($objects,$tmp);
- } elseif (preg_match('/(.*)\/(.*)$/', $parts[0], $result)) {
- $pname = preg_split('/\//',$parts[0]);
- $id = $prefix . $pname[0] . "/" . $result[0];
- $parentid = $prefix . $pname[0] . "/" . $result[1];
- $name = $result[2];
- $type = ucfirst($parts[1]);
- if (strcmp($type, "Filesystem") == 0) {
- $icon = "images/filesystem.png";
+ $path = $parts[0];
+ $type = $parts[1];
+ $subdirs = preg_split('/\//',$path);
+ $root = $subdirs[0];
+ $tmp = array();
+
+ switch ($type) {
+ case "filesystem":
+ if (strpos($path,'/') === false) {
+ //This is a Pool
+ $tmp = array('id'=>$prefix . $path,
+ 'parentid'=>'root',
+ 'name'=>$path,
+ 'type'=>'Pool',
+ 'icon'=>'images/raid.png',
+ 'expanded'=>$expanded,
+ 'path'=>$path);
+ $pool = new OMVModuleZFSZpool($path);
+ $tmp['size'] = $pool->getSize();
+ $tmp['used'] = $pool->getAttribute("allocated");
+ $tmp['available'] = $pool->getAttribute("free");
+ $tmp['mountpoint'] = $pool->getMountPoint();
+ array_push($objects,$tmp);
} else {
- $icon = "images/zfs_disk.png";
+ //This is a Filesystem
+ preg_match('/(.*)\/(.*)$/', $path, $result);
+ $tmp = array('id'=>$prefix . $path,
+ 'parentid'=>$prefix . $result[1],
+ 'name'=>$result[2],
+ 'icon'=>"images/filesystem.png",
+ 'path'=>$path,
+ 'expanded'=>$expanded);
+ $ds = new OMVModuleZFSDataset($path);
+ if ($ds->isClone()) {
+ //This is a cloned Filesystem
+ $tmp['type'] = "Clone";
+ $tmp['origin'] = $ds->getOrigin();
+ } else {
+ //This is a standard Filesystem.
+ $tmp['type']= ucfirst($type);
+ }
+ $tmp['size'] = "n/a";
+ $used = $ds->getProperty("used");
+ $tmp['used'] = $used['value'];
+ $available = $ds->getProperty("available");
+ $tmp['available'] = $available['value'];
+ $tmp['mountpoint'] = $ds->getMountPoint();
+ array_push($objects,$tmp);
}
- $tmp = array('id'=>$id,
- 'parentid'=>$parentid,
- 'name'=>$name,
- 'type'=>$type,
- 'icon'=>$icon,
- 'path'=>$parts[0],
- 'expanded'=>true);
+ break;
+
+ case "volume":
+ preg_match('/(.*)\/(.*)$/', $path, $result);
+ $tmp = array('id'=>$prefix . $path,
+ 'parentid'=>$prefix . $result[1],
+ 'name'=>$result[2],
+ 'type'=>ucfirst($type),
+ 'icon'=>"images/save.png",
+ 'path'=>$path,
+ 'expanded'=>$expanded);
+ $vol = new OMVModuleZFSZvol();
+ $tmp['size'] = $vol->getSize();
+ $tmp['used'] = "n/a";
+ $tmp['available'] = "n/a";
+ $tmp['mountpoint'] = "n/a";
array_push($objects,$tmp);
+ break;
+
+ case "snapshot":
+ preg_match('/(.*)\@(.*)$/', $path, $result);
+ $subdirs = preg_split('/\//',$result[1]);
+ $root = $subdirs[0];
+ $tmp = array('id'=>$prefix . $path,
+ 'parentid'=>$prefix . $result[1],
+ 'name'=>$result[2],
+ 'type'=>ucfirst($type),
+ 'icon'=>'images/zfs_snap.png',
+ 'path'=>$path,
+ 'expanded'=>$expanded);
+ $tmp['size'] = "n/a";
+ $tmp['used'] = "n/a";
+ $tmp['available'] = "n/a";
+ $tmp['mountpoint'] = "n/a";
+ array_push($objects,$tmp);
+ break;
+
+ default:
+ break;
}
}
return $objects;