]> git.datanom.net - omvzfs.git/blobdiff - src/Zpool.php
Support for cloned filesystems and volumes.
[omvzfs.git] / src / Zpool.php
index a2fee739939e34a540a5c2c7bbd753fb69d7092a..56ec8c64d4426e98d239710d5e3d8b70448c24d5 100644 (file)
 <?php
-require_once 'Vdev.php';
-require_once 'Snapshot.php';
-require_once 'Dataset.php';
-require_once 'Zvol.php';
+require_once('openmediavault/object.inc');
+require_once('openmediavault/module.inc');
+require_once("Vdev.php");
+require_once("Snapshot.php");
+require_once("Dataset.php");
+require_once("Zvol.php");
+require_once("VdevType.php");
+require_once("Utils.php");
+require_once("Exception.php");
 
 /**
- * XXX detailed description
+ * Class containing information about the pool
  *
- * @author    XXX
- * @version   XXX
- * @copyright XXX
+ * @author    Michael Rasmussen
+ * @version   0.1
+ * @copyright Michael Rasmussen <mir@datanom.net>
  */
-class Zpool {
+class OMVModuleZFSZpool extends OMVModuleAbstract {
     // Attributes
     /**
-     * XXX
+     * Name of pool
      *
      * @var    string $name
      * @access private
      */
-    private $_name;
+    private $name;
 
     /**
-     * XXX
+     * List of Vdev
      *
-     * @var    list<Vdev> $vdevs
+     * @var    array $vdevs
      * @access private
+     * @association OMVModuleZFSVdev to vdevs
      */
-    private $_vdevs;
+    private $vdevs;
 
     /**
-     * XXX
+     * List of spares
      *
-     * @var    list<Disk> $spare
+     * @var    array $spare
      * @access private
+     * @association OMVModuleZFSVdev to spare
      */
-    private $_spare;
+    private $spare;
 
     /**
-     * XXX
+     * List of log
      *
-     * @var    Log $log
+     * @var    array $log
      * @access private
+     * @association OMVModuleZFSVdev to log
      */
-    private $_log;
+    private $log;
 
     /**
-     * XXX
+     * List of cache
      *
-     * @var    Cache $cache
+     * @var    array $cache
      * @access private
+     * @association OMVModuleZFSVdev to cache
      */
-    private $_cache;
+    private $cache;
 
     /**
-     * XXX
+     * Pool size
      *
      * @var    int $size
      * @access private
      */
-    private $_size;
+    private $size;
 
     /**
-     * XXX
+     * Pool's mountpoint
      *
      * @var    string $mountPoint
      * @access private
      */
-    private $_mountPoint;
+    private $mountPoint;
 
     /**
-     * XXX
+     * List of features
      *
-     * @var    list<Feature> $features
+     * @var    array $features
      * @access private
      */
-    private $_features;
+    private $features;
 
     // Associations
     /**
-     * XXX
+     * Array of OMVModuleZFSSnapshot.
      *
-     * @var    Snapshot $unnamed
+     * @var    array $snapshot
      * @access private
-     * @accociation Snapshot to unnamed
+     * @association OMVModuleZFSSnapshot to snapshot
      */
-    #var $unnamed;
+    private $snapshot;
 
     /**
-     * XXX
+     * Array of OMVModuleZFSDataset
      *
-     * @var    Dataset $unnamed
+     * @var    Dataset $dataset
      * @access private
-     * @accociation Dataset to unnamed
+     * @association OMVModuleZFSDataset to dataset
      */
-    #var $unnamed;
+    private $dataset;
 
     /**
-     * XXX
+     * Array of OMVModuleZFSZvol
      *
-     * @var    Zvol $unnamed
+     * @var    Zvol $zvol
      * @access private
-     * @accociation Zvol to unnamed
+     * @association OMVModuleZFSZvol to zvol
      */
-    #var $unnamed;
-
-    /**
-     * XXX
-     *
-     * @var    Vdev $unnamed
-     * @access private
-     * @accociation Vdev to unnamed
-     */
-    #var $unnamed;
+    private $zvol;
 
     // Operations
+       /**
+        * Constructor
+        *
+        * @param $vdev OMVModuleZFSVdev or array(OMVModuleZFSVdev)
+     * @throws OMVModuleZFSException
+        */
+
+       public function __construct($vdev, $opts = "") {
+               $create_pool = true;
+
+               if (is_array($vdev)) {
+                       $cmd = $this->getCommandString($vdev);
+                       $name = $vdev[0]->getPool();
+                       $type = $vdev[0]->getType();
+               } else if ($vdev instanceof OMVModuleZFSVdev) {
+                       $cmd = $this->getCommandString(array($vdev));
+                       $name = $vdev->getPool();
+                       $type = $vdev->getType();
+               } else {
+                       // Assume we make an instance of an existing pool
+                       $create_pool = false;
+               }
+
+               $this->vdevs = array();
+               $this->spare = null;
+               $this->log = null;
+               $this->cache = null;
+               $this->features = array();
+               if ($create_pool) {
+                       $cmd = "zpool create $opts$name $cmd 2>&1";
+
+                       OMVUtil::exec($cmd, $output, $result);
+                       if ($result)
+                               throw new OMVModuleZFSException(implode("\n", $output));
+                       else {
+                               $this->name = $name;
+                               $this->type = $type;
+                               if (is_array($vdev))
+                                       $this->vdevs = $vdev;
+                               else
+                                       array_push ($this->vdevs, $vdev);
+                               $this->size = $this->getAttribute("size");
+                               $this->mountPoint = $this->getAttribute("mountpoint");
+                       }
+               } else {
+                       $this->assemblePool($vdev);
+               }
+       }
+
     /**
-     * XXX
+     * Get pool name
      *
-     * @return string XXX
+     * @return string
      * @access public
      */
     public function getName() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->name;
     }
 
     /**
-     * XXX
+     * Get array of Vdev
      *
-     * @return list<Vdev> XXX
+     * @return array
      * @access public
      */
     public function getVdevs() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->vdevs;
     }
 
     /**
-     * XXX
+     * Add Vdev to pool
      *
-     * @param  Vdev $vdev XXX
-     * @return void XXX
+     * @param  array $vdev array of OMVModuleZFSVdev
+     * @return void
+     * @throws OMVModuleZFSException
      * @access public
      */
-    public function addVdev($vdev) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function addVdev(array $vdevs, $opts= "") {
+               $cmd = "zpool add " . $this->name . " " . $opts . $this->getCommandString($vdevs) . " 2>&1";
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException(implode("\n", $output));
+               else
+                       $this->vdevs = array_merge($this->vdevs, $vdevs);
+               $this->size = $this->getAttribute("size");
     }
 
     /**
      * XXX
      *
-     * @param  Vdev $vdev XXX
-     * @return void XXX
+     * @param  OMVModuleZFSVdev $vdev
+     * @return void
+     * @throws OMVModuleZFSException
      * @access public
      */
-    public function removeVdev($vdev) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function removeVdev(OMVModuleZFSVdev $vdev) {
+        throw new OMVModuleZFSException("Cannot remove vdevs from a pool");
     }
 
     /**
      * XXX
      *
-     * @param  Cache $cache XXX
-     * @return void XXX
+     * @param  OMVModuleZFSVdev $cache
+     * @return void
+     * @throws OMVModuleZFSException
      * @access public
      */
-    public function addCache($cache) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function addCache(OMVModuleZFSVdev $cache) {
+        if ($cache->getType() != OMVModuleZFSVdevType::OMVMODULEZFSPLAIN)
+                       throw new OMVModuleZFSException("Only a plain Vdev can be added as cache");
+
+               $cmd = "zpool add " . $this->name . " cache " . $this->getCommandString($vdevs);
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
+
+               $disks = $cache->getDisks();
+               foreach ($disks as $disk) {
+                       array_push ($this->cache, $disk);
+               }
     }
 
     /**
      * XXX
      *
-     * @return void XXX
+     * @param array $disks
+     * @return void
+     * @throws OMVModuleZFSException
      * @access public
      */
-    public function removeCache() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function removeCache(array $disks = null) {
+        if (! $disks)
+                       $disks = $this->cache;
+
+               foreach ($disks as $disk)
+                       $dist_str .= "$disk ";
+
+               $cmd = "zpool remove " . $this->name . " $dist_str";
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
+               else {
+                       foreach ($disks as $disk)
+                               $this->cache = $this->removeDisk($this->cache, $disk);
+               }
     }
 
     /**
      * XXX
      *
-     * @return Cache XXX
+     * @return Cache
      * @access public
      */
     public function getCache() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->cache;
     }
 
     /**
      * XXX
      *
-     * @param  Log $log XXX
-     * @return void XXX
+     * @param  OMVModuleZFSVdev $log
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
-    public function addLog($log) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function addLog(OMVModuleZFSVdev $log) {
+        if ($log->getType() == OMVModuleZFSVdevType::OMVMODULEZFSPLAIN ||
+                       $log->getType() == OMVModuleZFSVdevType::OMVMODULEZFSMIRROR) {
+                       $cmd = "zpool add " . $this->name . " log " . $this->getCommandString($vdevs);
+                       OMVUtil::exec($cmd, $output, $result);
+                       if ($result)
+                               throw new OMVModuleZFSException($output);
+
+                       $this->log = $log;
+               } else
+                       throw new OMVModuleZFSException("Only a plain Vdev or mirror Vdev can be added as log");
     }
 
     /**
      * XXX
      *
-     * @return void XXX
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
     public function removeLog() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        foreach ($this->log as $vdev) {
+                       if ($vdev->getType() == OMVModuleZFSVdevType::OMVMODULEZFSMIRROR) {
+                               $cmd = "zpool remove " . $this->name . " mirror-$i";
+                       } else {
+                               $disks = $vdev->getDisks();
+                               foreach ($disks as $disk)
+                                       $dist_str .= "$disk ";
+                               $cmd = "zpool remove " . $this->name . " $disk_str";
+                       }
+                       OMVUtil::exec($cmd, $output, $result);
+                       if ($result)
+                               throw new OMVModuleZFSException($output);
+                       else
+                               $this->log = array();
+               }
     }
 
     /**
      * XXX
      *
-     * @return Log XXX
+     * @return Log
      * @access public
      */
     public function getLog() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->log;
     }
 
     /**
      * XXX
      *
-     * @param  Disk $spare XXX
-     * @return void XXX
+     * @param  OMVModuleZFSVdev $spares
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
-    public function addSpare($spare) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function addSpare(OMVModuleZFSVdev $spares) {
+        if ($spares->getType() != OMVModuleZFSVdevType::OMVMODULEZFSPLAIN)
+                       throw new OMVModuleZFSException("Only a plain Vdev can be added as spares");
+
+               $cmd = "zpool add " . $this->name . " spare " . $this->getCommandString($vdevs);
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
+
+               $disks = $spares->getDisks();
+               foreach ($disks as $disk) {
+                       array_push ($this->spare, $disk);
+               }
     }
 
     /**
      * XXX
      *
-     * @param  Disk $spare XXX
-     * @return void XXX
+     * @param  array $disks
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
-    public function removeSpare($spare) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function removeSpare(array $disks = null) {
+        if (! $disks)
+                       $disks = $this->spare;
+
+               foreach ($disks as $disk)
+                       $dist_str .= "$disk ";
+
+               $cmd = "zpool remove " . $this->name . " $dist_str";
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
+               else {
+                       foreach ($disks as $disk)
+                               $this->spare = $this->removeDisk($this->spare, $disk);
+               }
     }
 
     /**
      * XXX
      *
-     * @return list<Disk> XXX
+     * @return list<Disk>
      * @access public
      */
     public function getSpares() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->spare;
     }
 
     /**
      * XXX
      *
-     * @return int XXX
+     * @return int
      * @access public
      */
     public function getSize() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->size;
     }
 
     /**
      * XXX
      *
-     * @return string XXX
+     * @return string
      * @access public
      */
     public function getMountPoint() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        return $this->mountPoint;
     }
 
     /**
      * XXX
      *
-     * @param  list<Feature> $features XXX
-     * @return void XXX
+     * @param  array $features
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
-    public function setFeatures($features) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function setFeatures(array $features) {
+               foreach ($features as $feature => $value) {
+                       $cmd = "zpool set $feature=$value " . $this->name;
+                       OMVUtil::exec($cmd, $output, $result);
+                       if ($result)
+                               throw new OMVModuleZFSException($output);
+               }
+               $this->features = $this->getAllAttributes();
     }
 
     /**
-     * XXX
+     * We only return array of features for which the user can
+     * change in GUI.
      *
-     * @return list<Feature> XXX
+     * @return array of features
      * @access public
      */
-    public function getFeatures() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function getFeatures($internal = true) {
+               $attrs = array();
+               $featureSet = array(
+                       'recordsize', /* default 131072. 512 <= n^2 <=  131072*/
+                       'checksum', /* on | off */
+                       'compression', /* off | lzjb | gzip | zle | lz4 */
+                       'atime', /* on | off */
+                       'aclmode', /* discard | groupmask | passthrough | restricted */
+                       'aclinherit', /* discard | noallow | restricted | passthrough | passthrough-x */
+                       'casesensitivity', /* sensitive | insensitive | mixed */
+                       'primarycache', /* all | none | metadata */
+                       'secondarycache', /* all | none | metadata */
+                       'logbias', /* latency | throughput */
+                       'dedup', /* on | off */
+                       'sync' /* standard | always | disabled */
+               );
+               if (count($this->features) < 1)
+                       $this->features = $this->getAllAttributes();
+               if ($internal) {
+                       foreach ($this->features as $attr => $val) {
+                               if (in_array($attr, $featureSet))
+                                       $attrs[$attr] = $val['value'];
+                       }
+               } else {
+                       foreach ($this->features as $attr => $val) {
+                               if (in_array($attr, $featureSet))
+                                       $attrs[$attr] = $val;
+                       }
+               }
+
+               return $attrs;
     }
 
     /**
      * XXX
      *
-     * @return void XXX
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
     public function export() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        $cmd = "zpool export " . $this->name;
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
     }
 
     /**
      * XXX
      *
-     * @param  string $name XXX
-     * @return void XXX
+     * @param  string $name
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
-    public function import($name) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+    public function import($name = null) {
+               if ($name)
+                       $cmd = "zpool import $name";
+               else
+                       $cmd = "zpool import";
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
     }
 
     /**
      * XXX
      *
-     * @return void XXX
+     * @return void
+        * @throws OMVModuleZFSException
      * @access public
      */
     public function scrub() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        $cmd = "zpool scrub " . $this->name;
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
     }
 
     /**
      * XXX
      *
-     * @return string XXX
+     * @return string
+        * @throws OMVModuleZFSException
      * @access public
      */
     public function status() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+        $cmd = "zpool status " . $this->name;
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
     }
 
        /**
-        * XXX
-        * org.openmediavault.module.service.<servicename>.start
-        * org.openmediavault.module.service.<servicename>.stop
-        * org.openmediavault.module.service.<servicename>.applyconfig
+        * Get a single property value associated with the Dataset
         *
-        * @param string event
+        * @param string $property Name of the property to fetch
+        * @return array The returned array with the property. The property is an associative array with
+        * two elements, <value> and <source>.
         * @access public
         */
-       public function onNotify($event) {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+       public function getProperty($property) {
+               $attrs = $this->getFeatures(false);
+               return $attrs["$property"];
        }
 
        /**
-        * XXX
+        * Get an associative array of all properties associated with the Snapshot
         *
+        * @return array $properties Each entry is an associative array with two elements
+        * <value> and <source>
         * @access public
         */
-       public function applyConfig() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+       public function getProperties() {
+               $attrs = $this->getFeatures(false);
+               return $attrs;
        }
 
        /**
-        * XXX
+        * Sets a number of Dataset properties. If a property is already set it will be updated with the new value.
         *
+        * @param  array $properties An associative array with properties to set
+        * @return void
         * @access public
         */
-       public function stopService() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+       public function setProperties($properties) {
+               foreach ($properties as $newpropertyk => $newpropertyv) {
+                       $cmd = "zfs set " . $newpropertyk . "=" . $newpropertyv . " " . $this->name . " 2>&1";
+                       OMVModuleZFSUtil::exec($cmd,$out,$res);
+                       $attr = $this->getAttribute($newpropertyk);
+                       $this->features[$newpropertyk] = $attr;
+               }
        }
 
        /**
-        * XXX
+        * Destroy the Dataset.
         *
+        * @return void
         * @access public
         */
-       public function startService() {
-        trigger_error('Not Implemented!', E_USER_WARNING);
+       public function destroy() {
+               $cmd = "zpool destroy " . $this->name . " 2>&1";
+               $this->exec($cmd,$out,$res);
+       }
+
+       /**
+        * Clears a previously set proporty and specifies that it should be
+        * inherited from it's parent.
+        *
+        * @param string $property Name of the property to inherit.
+        * @return void
+        * @access public
+        */
+       public function inherit($property) {
+               $cmd = "zfs inherit " . $property . " " . $this->name . " 2>&1";
+               $this->exec($cmd,$out,$res);
+               $attr = $this->getAttribute($newpropertyk);
+               $this->features[$newpropertyk] = $attr;
        }
-}
 
+       /**
+        * Convert array of Vdev to command string
+        *
+        * @param array $vdevs
+        * @return string
+        * @throws OMVMODULEZFSException
+        */
+       private function getCommandString(array $vdevs) {
+               $adds = array();
+
+               foreach ($vdevs as $vdev) {
+                       if (is_object($vdev) == false)
+                               throw new OMVMODULEZFSException("Not object of class OMVModuleZFSVdev");
+                       if (is_a($vdev, OMVModuleZFSVdev) == false)
+                               throw new OMVMODULEZFSException("Object is not of class OMVModuleZFSVdev");
+                       $type = $vdev->getType();
+                       $command = "";
+
+                       switch ($type) {
+                               case OMVModuleZFSVdevType::OMVMODULEZFSPLAIN: break;
+                               case OMVModuleZFSVdevType::OMVMODULEZFSMIRROR: $command = "mirror"; break;
+                               case OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1: $command = "raidz1"; break;
+                               case OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2: $command = "raidz2"; break;
+                               case OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3: $command = "raidz3"; break;
+                               default:
+                                       throw new OMVMODULEZFSException("Unknown Vdev type");
+                       }
+                       $disks = $vdev->getDisks();
+                       $diskStr = "";
+                       foreach($disks as $disk) {
+                               $diskStr .= " $disk";
+                       }
+
+                       array_push ($adds, $command . $diskStr);
+               }
+
+               return implode(" ", $adds);
+       }
+
+       /**
+        * Get an attribute from pool
+        *
+        * @param string $attribute
+        * @return string value
+        */
+       public function getAttribute($attribute) {
+               $cmd = "zpool list -H -o $attribute {$this->name}";
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result) {
+                       $cmd = "zfs list -H -o $attribute {$this->name}";
+                       OMVUtil::exec($cmd, $output, $result);
+                       if ($result)
+                               return null;
+               }
+
+               return $output;
+       }
+
+       /**
+        * Get all attributes from pool
+        * @return array of attributes
+        * @throws OMVModuleZFSException
+        */
+       private function getAllAttributes() {
+               $attrs = array();
+               $cmd = "zfs get -H all {$this->name}";
+
+               try {
+                       OMVUtil::exec($cmd, $output, $result);
+               } catch (OMVModuleZFSException $e) {}
+               if ($result)
+                       throw new OMVModuleZFSException($output);
+               $output = implode("\n", $output);
+               $res = preg_match_all("/{$this->name}\s+(\w+)\s+([\w\d\.]+)\s+(\w+).*/", $output, $matches, PREG_SET_ORDER);
+               if ($res == false || $res == 0)
+                       throw new OMVModuleZFSException("Error return by zpool get all: $output");
+               foreach ($matches as $match) {
+                       $attrs[$match[1]] = array('value' => $match[2], 'source' => $match[3]);
+               }
+
+               return $attrs;
+       }
+
+       /**
+        * Get all Dataset properties from commandline and update object properties attribute
+        *
+        * @return void
+        * @access private
+        */
+       private function updateAllProperties() {
+               $this->features = $this->getAllAttributes();
+       }
+
+       /**
+        * Remove a disk from array
+        *
+        * @param array $array
+        * @param string $disk
+        * @return array
+        */
+       private function removeDisk(array $array, $disk) {
+               $new_disks = array();
+
+               foreach ($array as $item) {
+                       if (strcmp($item, $disk) != 0)
+                               array_push ($new_disks, $item);
+               }
+
+               return $new_disks;
+       }
+
+       /**
+        * Construct existing pool
+        *
+        * @param string $name
+        * @return void
+        * @throws OMVModuleZFSException
+        */
+       private function assemblePool($name) {
+               $cmd = "zpool status -v $name";
+               $types = 'mirror|raidz1|raidz2|raidz3';
+               $dev = null;
+               $type = null;
+               $log = false;
+               $cache = false;
+               $start = true;
+
+               OMVUtil::exec($cmd, $output, $result);
+               if ($result)
+                       throw new OMVModuleZFSException($output);
+
+               $this->name = $name;
+               foreach($output as $line) {
+                       if (! strstr($line, PHP_EOL))
+                               $line .= PHP_EOL;
+                       if ($start) {
+                                       if (preg_match("/^\s*NAME/", $line))
+                                                       $start = false;
+                                       continue;
+                       } else {
+                               if (preg_match("/^\s*$/", $line)) {
+                                       if ($dev) {
+                                               $this->output($part, $type, $dev);
+                                       }
+                                       break;
+                               } else if (preg_match("/^\s*($name|logs|cache|spares)/", $line, $match)) {
+                                       if ($dev) {
+                                               $this->output($part, $type, $dev);
+                                               $dev = null;
+                                               $type = null;
+                                       }
+                                       $part = $match[1];
+                               } else {
+                                       switch ($part) {
+                                               case $name:
+                                                       if (preg_match("/^\s*($types)/", $line, $match)) {
+                                                               /* new vdev */
+                                                               if ($type) {
+                                                                       $this->output(null, $type, $dev);
+                                                                       $dev = null;
+                                                               }
+                                                               $type = $match[1];
+                                                       } else if (preg_match("/^\s*([\w\d-a-z0-9\:\.\-]+)\s+/", $line, $match)) {
+                                                               if ($dev)
+                                                                       $dev .= " $match[1]";
+                                                               else
+                                                                       $dev = "$match[1]";
+                                                       }
+                                                       break;
+                                               case 'logs':
+                                                       if (preg_match("/^\s*([\w\d-]+)\s+/", $line, $match)) {
+                                                               if ($dev)
+                                                                       $dev .= " $match[1]";
+                                                               else
+                                                                       $dev = "$match[1]";
+                                                       }
+                                                       break;
+                                               case 'cache':
+                                               case 'spares':
+                                                       if (preg_match("/^\s*([\w\d-]+)\s+/", $line, $match)) {
+                                                               if ($dev)
+                                                                       $dev .= " $match[1]";
+                                                               else
+                                                                       $dev = "$match[1]";
+                                                       }
+                                                       break;
+                                               default:
+                                                       throw new Exception("$part: Unknown pool part");
+                                       }
+                               }
+                       }
+               }
+               $this->size = $this->getAttribute("size");
+               $this->mountPoint = $this->getAttribute("mountpoint");
+       }
+
+       /**
+        * Create pool config from parsed input
+        *
+        * @param string $part
+        * @param string $type
+        * @param string $dev
+        * @return void
+        * @throws OMVModuleZFSException
+        */
+       private function output($part, $type, $dev) {
+               $disks = split(" ", $dev);
+               switch ($part) {
+                       case 'logs':
+                               if ($type && $type != 'mirror')
+                                       throw new Exception("$type: Logs can only be mirror or plain");
+                               if ($type)
+                                       $this->log = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSMIRROR, $disks);
+                               else
+                                       $this->log = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks);
+                               break;
+                       case 'cache':
+                               if ($type)
+                                       throw new Exception("$type: cache can only be plain");
+                               $this->cache = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks);
+                               break;
+                       case 'spares':
+                               if ($type)
+                                       throw new Exception("$type: spares can only be plain");
+                               $this->spare = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks);
+                               break;
+                       default:
+                               if ($type) {
+                                       switch ($type) {
+                                               case 'mirror':
+                                                       array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSMIRROR, $disks));
+                                                       $this->type = OMVModuleZFSVdevType::OMVMODULEZFSMIRROR;
+                                                       break;
+                                               case 'raidz1':
+                                                       array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1, $disks));
+                                                       $this->type = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1;
+                                                       break;
+                                               case 'raidz2':
+                                                       array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2, $disks));
+                                                       $this->type = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2;
+                                                       break;
+                                               case 'raidz3':
+                                                       array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3, $disks));
+                                                       $this->type = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3;
+                                                       break;
+                                       }
+                               } else {
+                                       array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks));
+                                       $this->type = OMVModuleZFSVdevType::OMVMODULEZFSPLAIN;
+                               }
+                       break;
+               }
+       }
+
+}
 ?>
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