X-Git-Url: http://git.datanom.net/omvzfs.git/blobdiff_plain/a36352f77c28bdf8f2834a64bd8520b73bfcf040..cc1caa78f4dc963669b7a9cc5529b04cbe957d88:/src/Utils.php

diff --git a/src/Utils.php b/src/Utils.php
index 251157a..0f67e36 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -2,60 +2,193 @@
 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($name) {
-		preg_match('/^([A-Za-z0-9]+)\/?.*$/', $name, $result);
-		$name = $result[1];
-		unset($result);
-		$cmd = "blkid -o full";
+	public static function getUUIDbyName($poolname) {
+		$cmd = "zpool get guid " . $poolname . " 2>&1";
 		OMVModuleZFSUtil::exec($cmd, $out, $res);
-		foreach($out as $line) {
-			if(preg_match('/^.*LABEL=\"' . $name . '\" UUID=\"([A-Za-z0-9]+)\".*TYPE=\"zfs_member\"$/', $line, $result)) {
-				return($result[1]);
+		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 pool to the OMV backend
+	 * Add any missing ZFS filesystems to the OMV backend
 	 *
 	 */
 	public static function addMissingOMVMntEnt() {
 		global $xmlConfig;
-		$msg = "";
-		$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 . "]";
-			$object = $xmlConfig->get($xpath);
-			if(is_null($object)) {
-				$uuid = OMVUtil::uuid();
+			if (preg_match('/[\/]+/', $name)) {
+				$poolname = OMVModuleZFSUtil::getPoolname($name);
+				$pooluuid = OMVModuleZFSUtil::getUUIDbyName($poolname);
 				$ds = new OMVModuleZFSDataset($name);
 				$dir = $ds->getMountPoint();
-				$object = array(
-					"uuid" => $uuid,
-					"fsname" => $pooluuid,
-					"dir" => $dir,
-					"type" => "zfs",
-					"opts" => "rw,relatime,xattr",
-					"freq" => "0",
-					"passno" => "2"
-				);
-				$xmlConfig->set("//system/fstab",array("mntent" => $object));
-				$dispatcher = &OMVNotifyDispatcher::getInstance();
-				$dispatcher->notify(OMV_NOTIFY_CREATE,"org.openmediavault.system.fstab.mntent", $object);
+				$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" => $object));
+				}
 			}
 		}
 		return null;
@@ -83,7 +216,7 @@ class OMVModuleZFSUtil {
 			switch ($type) {
 			case "filesystem":
 				if (strpos($path,'/') === false) {
-					//This is a Pool, thus create both the Pool entry and a Filesystem entry corresponding to the Pool.
+					//This is a Pool
 					$tmp = array('id'=>$prefix . $path,
 						'parentid'=>'root',
 						'name'=>$path,
@@ -91,20 +224,17 @@ class OMVModuleZFSUtil {
 						'icon'=>'images/raid.png',
 						'expanded'=>$expanded,
 						'path'=>$path);
-					array_push($objects,$tmp);
-					$tmp = array('id'=>$prefix . $path . '/' . $path,
-						'parentid'=>$prefix . $path,
-						'name'=>$path,
-						'type'=>'Filesystem',
-						'icon'=>'images/filesystem.png',
-						'path'=>$path,
-						'expanded'=>$expanded);
+					$pool = new OMVModuleZFSZpool($path);
+					$tmp['size'] = $pool->getSize();
+					$tmp['used'] = $pool->getAttribute("allocated");
+					$tmp['available'] = $pool->getAttribute("free");
+					$tmp['mountpoint'] = $pool->getMountPoint();
 					array_push($objects,$tmp);
 				} else {
-					//This is a Filesystem other than the Pool
+					//This is a Filesystem
 					preg_match('/(.*)\/(.*)$/', $path, $result);
-					$tmp = array('id'=>$prefix . $root . "/" . $path,
-						'parentid'=>$prefix . $root . "/" . $result[1],
+					$tmp = array('id'=>$prefix . $path,
+						'parentid'=>$prefix . $result[1],
 						'name'=>$result[2],
 						'icon'=>"images/filesystem.png",
 						'path'=>$path,
@@ -118,19 +248,30 @@ class OMVModuleZFSUtil {
 						//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);
 				}
 				break;
 
 			case "volume":
 				preg_match('/(.*)\/(.*)$/', $path, $result);
-				$tmp = array('id'=>$prefix . $root . "/" . $path,
-					'parentid'=>$prefix . $root . "/" . $result[1],
+				$tmp = array('id'=>$prefix . $path,
+					'parentid'=>$prefix . $result[1],
 					'name'=>$result[2],
 					'type'=>ucfirst($type),
-					'icon'=>"images/zfs_disk.png",
+					'icon'=>"images/save.png",
 					'path'=>$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;
 
@@ -138,13 +279,17 @@ class OMVModuleZFSUtil {
 				preg_match('/(.*)\@(.*)$/', $path, $result);
 				$subdirs = preg_split('/\//',$result[1]);
 				$root = $subdirs[0];
-				$tmp = array('id'=>$prefix . $root . "/" . $path,
-					'parentid'=>$prefix . $root . "/" . $result[1],
+				$tmp = array('id'=>$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;