X-Git-Url: http://git.datanom.net/omvzfs.git/blobdiff_plain/1434b7458926dd59f1381600e67c3edd163f3601..cc1caa78f4dc963669b7a9cc5529b04cbe957d88:/src/Utils.php

diff --git a/src/Utils.php b/src/Utils.php
index bfc5f8a..0f67e36 100644
--- a/src/Utils.php
+++ b/src/Utils.php
@@ -2,12 +2,198 @@
 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"
+					);
+					$xmlConfig->set("//system/fstab",array("mntent" => $object));
+				}
+			}
+		}
+		return null;
+	}
+
 	/**
 	 * Get an array with all ZFS objects
 	 *
@@ -17,99 +203,98 @@ class OMVModuleZFSUtil {
 		$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)) {
-				//This is a Pool, thus create both the Pool entry and a Filesystem entry corresponding to the Pool.
-				$tmp = array('id'=>$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) {
-				//This is a Snapshot of the Pool Filesystem.
-				$pname = preg_split('/\@/',$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)) {
-				//This is a Snapshot of any other Filesystem than the Pool.
-				$pname = preg_split('/\//',$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)) {
-				//This is a Filesystem or a Volume
-				$pname = preg_split('/\//',$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";
-					$ds =  new OMVModuleZFSDataset($parts[0]);
+			$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,$tmp);
+				} else {
+					//This is a Filesystem
+					preg_match('/(.*)\/(.*)$/', $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
-						$tmp = array('id'=>$id,
-							'parentid'=>$parentid,
-							'name'=>$name,
-							'type'=>'Clone',
-							'icon'=>$icon,
-							'path'=>$parts[0],
-							'expanded'=>true,
-							'origin' => $ds->getOrigin());
-						array_push($objects,$tmp);
+						$tmp['type'] = "Clone";
+						$tmp['origin'] = $ds->getOrigin();
 					} else {
 						//This is a standard Filesystem.
-						$tmp = array('id'=>$id,
-							'parentid'=>$parentid,
-							'name'=>$name,
-							'type'=>$type,
-							'icon'=>$icon,
-							'path'=>$parts[0],
-							'expanded'=>true,
-							'origin' => $ds->getOrigin());
-						array_push($objects,$tmp);
+						$tmp['type']= ucfirst($type);
 					}
-				} else {
-					//This is a Volume.
-					$icon = "images/zfs_disk.png";
-					$tmp = array('id'=>$id,
-						'parentid'=>$parentid,
-						'name'=>$name,
-						'type'=>$type,
-						'icon'=>$icon,
-						'path'=>$parts[0],
-						'expanded'=>true);
+					$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 . $path,
+					'parentid'=>$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;