src/Zpool.php

<?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("Exception.php");

/**
 * Class containing information about the pool
 *
 * @author    Michael Rasmussen
 * @version   0.1
 * @copyright Michael Rasmussen <mir@datanom.net>
 */
class OMVModuleZFSZpool extends OMVModuleAbstract
		implements OMVINotifyListener {
    // Attributes
    /**
     * Name of pool
     *
     * @var    string $name
     * @access private
     */
    private $name;

    /**
     * List of Vdev
     *
     * @var    array $vdevs
     * @access private
     * @association OMVModuleZFSVdev to vdevs
     */
    private $vdevs;

    /**
     * List of spares
     *
     * @var    array $spare
     * @access private
     * @association OMVModuleZFSVdev to spare
     */
    private $spare;

    /**
     * List of log
     *
     * @var    array $log
     * @access private
     * @association OMVModuleZFSVdev to log
     */
    private $log;

    /**
     * List of cache
     *
     * @var    array $cache
     * @access private
     * @association OMVModuleZFSVdev to cache
     */
    private $cache;

    /**
     * Pool size
     *
     * @var    int $size
     * @access private
     */
    private $size;

    /**
     * Pool's mountpoint
     *
     * @var    string $mountPoint
     * @access private
     */
    private $mountPoint;

    /**
     * List of features
     *
     * @var    array $features
     * @access private
     */
    private $features;

    // Associations
    /**
     * Array of OMVModuleZFSSnapshot.
     *
     * @var    array $snapshot
     * @access private
     * @association OMVModuleZFSSnapshot to snapshot
     */
    private $snapshot;

    /**
     * Array of OMVModuleZFSDataset
     *
     * @var    Dataset $dataset
     * @access private
     * @association OMVModuleZFSDataset to dataset
     */
    private $dataset;

    /**
     * Array of OMVModuleZFSZvol
     *
     * @var    Zvol $zvol
     * @access private
     * @association OMVModuleZFSZvol to zvol
     */
    private $zvol;

    // Operations
	/**
	 * Constructor
	 *
	 * @param $vdev OMVModuleZFSVdev or array(OMVModuleZFSVdev)
     * @throws OMVModuleZFSException
	 */

	public function __construct($vdev) {
		$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 $name $cmd";

			OMVUtil::exec($cmd, $output, $result);
			if ($result)
				throw new OMVModuleZFSException($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);
		}
	}

    /**
     * Get pool name
     *
     * @return string
     * @access public
     */
    public function getName() {
        return $this->name;
    }

    /**
     * Get array of Vdev
     *
     * @return array
     * @access public
     */
    public function getVdevs() {
        return $this->vdevs;
    }

    /**
     * Add Vdev to pool
     *
     * @param  array $vdev array of OMVModuleZFSVdev
     * @return void
     * @throws OMVModuleZFSException
     * @access public
     */
    public function addVdev(array $vdevs) {
		$cmd = "zpool add " . $this->name . " " . $this->getCommandString($vdevs);
		OMVUtil::exec($cmd, $output, $result);
		if ($result)
			throw new OMVModuleZFSException($output);
		else
			$this->vdevs = array_merge($this->vdevs, $vdevs);
		$this->size = $this->getAttribute("size");
    }

    /**
     * XXX
     *
     * @param  OMVModuleZFSVdev $vdev
     * @return void
     * @throws OMVModuleZFSException
     * @access public
     */
    public function removeVdev(OMVModuleZFSVdev $vdev) {
        throw new OMVModuleZFSException("Cannot remove vdevs from a pool");
    }

    /**
     * XXX
     *
     * @param  OMVModuleZFSVdev $cache
     * @return void
     * @throws OMVModuleZFSException
     * @access public
     */
    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
     *
     * @param array $disks
     * @return void
     * @throws OMVModuleZFSException
     * @access public
     */
    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
     * @access public
     */
    public function getCache() {
        return $this->cache;
    }

    /**
     * XXX
     *
     * @param  OMVModuleZFSVdev $log
     * @return void
	 * @throws OMVModuleZFSException
     * @access public
     */
    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
	 * @throws OMVModuleZFSException
     * @access public
     */
    public function removeLog() {
        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
     * @access public
     */
    public function getLog() {
        return $this->log;
    }

    /**
     * XXX
     *
     * @param  OMVModuleZFSVdev $spares
     * @return void
	 * @throws OMVModuleZFSException
     * @access public
     */
    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  array $disks
     * @return void
	 * @throws OMVModuleZFSException
     * @access public
     */
    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>
     * @access public
     */
    public function getSpares() {
        return $this->spare;
    }

    /**
     * XXX
     *
     * @return int
     * @access public
     */
    public function getSize() {
        return $this->size;
    }

    /**
     * XXX
     *
     * @return string
     * @access public
     */
    public function getMountPoint() {
        return $this->mountPoint;
    }

    /**
     * XXX
     *
     * @param  array $features
     * @return void
	 * @throws OMVModuleZFSException
     * @access public
     */
    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();
    }

    /**
     * We only return array of features for which the user can
     * change in GUI.
     *
     * @return array of features
     * @access public
     */
    public function getFeatures() {
		$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 = $this->getAllAttributes();
        foreach ($this->features as $attr => $val) {
			if (in_array($attr, $featureSet))
				$attrs[$attr] = $val;
		}

		return $attrs;
    }

    /**
     * XXX
     *
     * @return void
	 * @throws OMVModuleZFSException
     * @access public
     */
    public function export() {
        $cmd = "zpool export " . $this->name;
		OMVUtil::exec($cmd, $output, $result);
		if ($result)
			throw new OMVModuleZFSException($output);
    }

    /**
     * XXX
     *
     * @param  string $name
     * @return void
	 * @throws OMVModuleZFSException
     * @access public
     */
    public function import($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
	 * @throws OMVModuleZFSException
     * @access public
     */
    public function scrub() {
        $cmd = "zpool scrub " . $this->name;
		OMVUtil::exec($cmd, $output, $result);
		if ($result)
			throw new OMVModuleZFSException($output);
    }

    /**
     * XXX
     *
     * @return string
	 * @throws OMVModuleZFSException
     * @access public
     */
    public function status() {
        $cmd = "zpool status " . $this->name;
		OMVUtil::exec($cmd, $output, $result);
		if ($result)
			throw new OMVModuleZFSException($output);
    }

    public function bindListeners(OMVNotifyDispatcher $dispatcher) {
		// Update service if configuration has been modified
		$dispatcher->addListener(
		  OMV_NOTIFY_MODIFY,
		  "org.openmediavault.services.nfs",
		  array($this, "onUpdateNFSService"));
		$dispatcher->addListener(
		  OMV_NOTIFY_CREATE,
		  "org.openmediavault.services.nfs.shares.share",
		  array($this, "onCreateNFSShare"));
		$dispatcher->addListener(
		  OMV_NOTIFY_DELETE,
		  "org.openmediavault.services.nfs.shares.share",
		  array($this, "onDeleteNFSShare"));
		$dispatcher->addListener(
		  OMV_NOTIFY_MODIFY,
		  "org.openmediavault.services.nfs.shares.share",
		  array($this, "onUpdateNFSShare"));
    }

	/**
	 * XXX
	 * org.openmediavault.services.nfs
	 *
	 * @param string event
	 * @access public
	 */
	public function onUpdateNFSService($args) {
        $this->debug(sprintf("onUpdateNFSService args=%s", var_export($args, true)));
	}

	/**
	 * XXX
	 * org.openmediavault.services.nfs.shares.share
	 *
	 * @param string event
	 * @access public
	 */
	public function onCreateNFSShare($args) {
        $this->debug(sprintf("onCreateNFSShare args=%s", var_export($args, true)));
	}

	/**
	 * XXX
	 * org.openmediavault.services.nfs.shares.share
	 *
	 * @param string event
	 * @access public
	 */
	public function onDeleteNFSShare($args) {
        $this->debug(sprintf("onDeleteNFSShare args=%s", var_export($args, true)));
	}

	/**
	 * XXX
	 * org.openmediavault.services.nfs.shares.share
	 *
	 * @param string event
	 * @access public
	 */
	public function onUpdateNFSShare($args) {
        $this->debug(sprintf("onUpdateNFSShare args=%s", var_export($args, true)));
	}

	/**
	 * 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 join(" ", $adds);
	}

	/**
	 * Get an attribute from pool
	 *
	 * @param string $attribute
	 * @return string value
	 */
	private function getAttribute($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}";

		OMVUtil::exec($cmd, $output, $result);
		if ($result)
			throw new OMVModuleZFSException($output);
		$output = implode("\n", $output);
		$res = preg_match_all("/{$this->name}\s+(\w+)\s+([\w\d\.]+).*/", $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]] = $match[2];
		}

		return $attrs;
	}

	/**
	 * 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-]+)\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;
		}
	}

}

?>
Commit	Line	Data
	1	<?php
	2	require_once('openmediavault/object.inc');
	3	require_once('openmediavault/module.inc');
	4	require_once("Vdev.php");
	5	require_once("Snapshot.php");
	6	require_once("Dataset.php");
	7	require_once("Zvol.php");
	8	require_once("Exception.php");
	9
	10	/**
	11	* Class containing information about the pool
	12	*
	13	* @author Michael Rasmussen
	14	* @version 0.1
	15	* @copyright Michael Rasmussen <mir@datanom.net>
	16	*/
	17	class OMVModuleZFSZpool extends OMVModuleAbstract
	18	implements OMVINotifyListener {
	19	// Attributes
	20	/**
	21	* Name of pool
	22	*
	23	* @var string $name
	24	* @access private
	25	*/
	26	private $name;
	27
	28	/**
	29	* List of Vdev
	30	*
	31	* @var array $vdevs
	32	* @access private
	33	* @association OMVModuleZFSVdev to vdevs
	34	*/
	35	private $vdevs;
	36
	37	/**
	38	* List of spares
	39	*
	40	* @var array $spare
	41	* @access private
	42	* @association OMVModuleZFSVdev to spare
	43	*/
	44	private $spare;
	45
	46	/**
	47	* List of log
	48	*
	49	* @var array $log
	50	* @access private
	51	* @association OMVModuleZFSVdev to log
	52	*/
	53	private $log;
	54
	55	/**
	56	* List of cache
	57	*
	58	* @var array $cache
	59	* @access private
	60	* @association OMVModuleZFSVdev to cache
	61	*/
	62	private $cache;
	63
	64	/**
	65	* Pool size
	66	*
	67	* @var int $size
	68	* @access private
	69	*/
	70	private $size;
	71
	72	/**
	73	* Pool's mountpoint
	74	*
	75	* @var string $mountPoint
	76	* @access private
	77	*/
	78	private $mountPoint;
	79
	80	/**
	81	* List of features
	82	*
	83	* @var array $features
	84	* @access private
	85	*/
	86	private $features;
	87
	88	// Associations
	89	/**
	90	* Array of OMVModuleZFSSnapshot.
	91	*
	92	* @var array $snapshot
	93	* @access private
	94	* @association OMVModuleZFSSnapshot to snapshot
	95	*/
	96	private $snapshot;
	97
	98	/**
	99	* Array of OMVModuleZFSDataset
	100	*
	101	* @var Dataset $dataset
	102	* @access private
	103	* @association OMVModuleZFSDataset to dataset
	104	*/
	105	private $dataset;
	106
	107	/**
	108	* Array of OMVModuleZFSZvol
	109	*
	110	* @var Zvol $zvol
	111	* @access private
	112	* @association OMVModuleZFSZvol to zvol
	113	*/
	114	private $zvol;
	115
	116	// Operations
	117	/**
	118	* Constructor
	119	*
	120	* @param $vdev OMVModuleZFSVdev or array(OMVModuleZFSVdev)
	121	* @throws OMVModuleZFSException
	122	*/
	123
	124	public function __construct($vdev) {
	125	$create_pool = true;
	126
	127	if (is_array($vdev)) {
	128	$cmd = $this->getCommandString($vdev);
	129	$name = $vdev[0]->getPool();
	130	$type = $vdev[0]->getType();
	131	} else if ($vdev instanceof OMVModuleZFSVdev) {
	132	$cmd = $this->getCommandString(array($vdev));
	133	$name = $vdev->getPool();
	134	$type = $vdev->getType();
	135	} else {
	136	// Assume we make an instance of an existing pool
	137	$create_pool = false;
	138	}
	139
	140	$this->vdevs = array();
	141	$this->spare = null;
	142	$this->log = null;
	143	$this->cache = null;
	144	$this->features = array();
	145	if ($create_pool) {
	146	$cmd = "zpool create $name $cmd";
	147
	148	OMVUtil::exec($cmd, $output, $result);
	149	if ($result)
	150	throw new OMVModuleZFSException($output);
	151	else {
	152	$this->name = $name;
	153	$this->type = $type;
	154	if (is_array($vdev))
	155	$this->vdevs = $vdev;
	156	else
	157	array_push ($this->vdevs, $vdev);
	158	$this->size = $this->getAttribute("size");
	159	$this->mountPoint = $this->getAttribute("mountpoint");
	160	}
	161	} else {
	162	$this->assemblePool($vdev);
	163	}
	164	}
	165
	166	/**
	167	* Get pool name
	168	*
	169	* @return string
	170	* @access public
	171	*/
	172	public function getName() {
	173	return $this->name;
	174	}
	175
	176	/**
	177	* Get array of Vdev
	178	*
	179	* @return array
	180	* @access public
	181	*/
	182	public function getVdevs() {
	183	return $this->vdevs;
	184	}
	185
	186	/**
	187	* Add Vdev to pool
	188	*
	189	* @param array $vdev array of OMVModuleZFSVdev
	190	* @return void
	191	* @throws OMVModuleZFSException
	192	* @access public
	193	*/
	194	public function addVdev(array $vdevs) {
	195	$cmd = "zpool add " . $this->name . " " . $this->getCommandString($vdevs);
	196	OMVUtil::exec($cmd, $output, $result);
	197	if ($result)
	198	throw new OMVModuleZFSException($output);
	199	else
	200	$this->vdevs = array_merge($this->vdevs, $vdevs);
	201	$this->size = $this->getAttribute("size");
	202	}
	203
	204	/**
	205	* XXX
	206	*
	207	* @param OMVModuleZFSVdev $vdev
	208	* @return void
	209	* @throws OMVModuleZFSException
	210	* @access public
	211	*/
	212	public function removeVdev(OMVModuleZFSVdev $vdev) {
	213	throw new OMVModuleZFSException("Cannot remove vdevs from a pool");
	214	}
	215
	216	/**
	217	* XXX
	218	*
	219	* @param OMVModuleZFSVdev $cache
	220	* @return void
	221	* @throws OMVModuleZFSException
	222	* @access public
	223	*/
	224	public function addCache(OMVModuleZFSVdev $cache) {
	225	if ($cache->getType() != OMVModuleZFSVdevType::OMVMODULEZFSPLAIN)
	226	throw new OMVModuleZFSException("Only a plain Vdev can be added as cache");
	227
	228	$cmd = "zpool add " . $this->name . " cache " . $this->getCommandString($vdevs);
	229	OMVUtil::exec($cmd, $output, $result);
	230	if ($result)
	231	throw new OMVModuleZFSException($output);
	232
	233	$disks = $cache->getDisks();
	234	foreach ($disks as $disk) {
	235	array_push ($this->cache, $disk);
	236	}
	237	}
	238
	239	/**
	240	* XXX
	241	*
	242	* @param array $disks
	243	* @return void
	244	* @throws OMVModuleZFSException
	245	* @access public
	246	*/
	247	public function removeCache(array $disks = null) {
	248	if (! $disks)
	249	$disks = $this->cache;
	250
	251	foreach ($disks as $disk)
	252	$dist_str .= "$disk ";
	253
	254	$cmd = "zpool remove " . $this->name . " $dist_str";
	255	OMVUtil::exec($cmd, $output, $result);
	256	if ($result)
	257	throw new OMVModuleZFSException($output);
	258	else {
	259	foreach ($disks as $disk)
	260	$this->cache = $this->removeDisk($this->cache, $disk);
	261	}
	262	}
	263
	264	/**
	265	* XXX
	266	*
	267	* @return Cache
	268	* @access public
	269	*/
	270	public function getCache() {
	271	return $this->cache;
	272	}
	273
	274	/**
	275	* XXX
	276	*
	277	* @param OMVModuleZFSVdev $log
	278	* @return void
	279	* @throws OMVModuleZFSException
	280	* @access public
	281	*/
	282	public function addLog(OMVModuleZFSVdev $log) {
	283	if ($log->getType() == OMVModuleZFSVdevType::OMVMODULEZFSPLAIN \|\|
	284	$log->getType() == OMVModuleZFSVdevType::OMVMODULEZFSMIRROR) {
	285	$cmd = "zpool add " . $this->name . " log " . $this->getCommandString($vdevs);
	286	OMVUtil::exec($cmd, $output, $result);
	287	if ($result)
	288	throw new OMVModuleZFSException($output);
	289
	290	$this->log = $log;
	291	} else
	292	throw new OMVModuleZFSException("Only a plain Vdev or mirror Vdev can be added as log");
	293	}
	294
	295	/**
	296	* XXX
	297	*
	298	* @return void
	299	* @throws OMVModuleZFSException
	300	* @access public
	301	*/
	302	public function removeLog() {
	303	foreach ($this->log as $vdev) {
	304	if ($vdev->getType() == OMVModuleZFSVdevType::OMVMODULEZFSMIRROR) {
	305	$cmd = "zpool remove " . $this->name . " mirror-$i";
	306	} else {
	307	$disks = $vdev->getDisks();
	308	foreach ($disks as $disk)
	309	$dist_str .= "$disk ";
	310	$cmd = "zpool remove " . $this->name . " $disk_str";
	311	}
	312	OMVUtil::exec($cmd, $output, $result);
	313	if ($result)
	314	throw new OMVModuleZFSException($output);
	315	else
	316	$this->log = array();
	317	}
	318	}
	319
	320	/**
	321	* XXX
	322	*
	323	* @return Log
	324	* @access public
	325	*/
	326	public function getLog() {
	327	return $this->log;
	328	}
	329
	330	/**
	331	* XXX
	332	*
	333	* @param OMVModuleZFSVdev $spares
	334	* @return void
	335	* @throws OMVModuleZFSException
	336	* @access public
	337	*/
	338	public function addSpare(OMVModuleZFSVdev $spares) {
	339	if ($spares->getType() != OMVModuleZFSVdevType::OMVMODULEZFSPLAIN)
	340	throw new OMVModuleZFSException("Only a plain Vdev can be added as spares");
	341
	342	$cmd = "zpool add " . $this->name . " spare " . $this->getCommandString($vdevs);
	343	OMVUtil::exec($cmd, $output, $result);
	344	if ($result)
	345	throw new OMVModuleZFSException($output);
	346
	347	$disks = $spares->getDisks();
	348	foreach ($disks as $disk) {
	349	array_push ($this->spare, $disk);
	350	}
	351	}
	352
	353	/**
	354	* XXX
	355	*
	356	* @param array $disks
	357	* @return void
	358	* @throws OMVModuleZFSException
	359	* @access public
	360	*/
	361	public function removeSpare(array $disks = null) {
	362	if (! $disks)
	363	$disks = $this->spare;
	364
	365	foreach ($disks as $disk)
	366	$dist_str .= "$disk ";
	367
	368	$cmd = "zpool remove " . $this->name . " $dist_str";
	369	OMVUtil::exec($cmd, $output, $result);
	370	if ($result)
	371	throw new OMVModuleZFSException($output);
	372	else {
	373	foreach ($disks as $disk)
	374	$this->spare = $this->removeDisk($this->spare, $disk);
	375	}
	376	}
	377
	378	/**
	379	* XXX
	380	*
	381	* @return list<Disk>
	382	* @access public
	383	*/
	384	public function getSpares() {
	385	return $this->spare;
	386	}
	387
	388	/**
	389	* XXX
	390	*
	391	* @return int
	392	* @access public
	393	*/
	394	public function getSize() {
	395	return $this->size;
	396	}
	397
	398	/**
	399	* XXX
	400	*
	401	* @return string
	402	* @access public
	403	*/
	404	public function getMountPoint() {
	405	return $this->mountPoint;
	406	}
	407
	408	/**
	409	* XXX
	410	*
	411	* @param array $features
	412	* @return void
	413	* @throws OMVModuleZFSException
	414	* @access public
	415	*/
	416	public function setFeatures(array $features) {
	417	foreach ($features as $feature => $value) {
	418	$cmd = "zpool set $feature=$value " . $this->name;
	419	OMVUtil::exec($cmd, $output, $result);
	420	if ($result)
	421	throw new OMVModuleZFSException($output);
	422	}
	423	$this->features = $this->getAllAttributes();
	424	}
	425
	426	/**
	427	* We only return array of features for which the user can
	428	* change in GUI.
	429	*
	430	* @return array of features
	431	* @access public
	432	*/
	433	public function getFeatures() {
	434	$attrs = array();
	435	$featureSet = array(
	436	'recordsize', /* default 131072. 512 <= n^2 <= 131072*/
	437	'checksum', /* on \| off */
	438	'compression', /* off \| lzjb \| gzip \| zle \| lz4 */
	439	'atime', /* on \| off */
	440	'aclmode', /* discard \| groupmask \| passthrough \| restricted */
	441	'aclinherit', /* discard \| noallow \| restricted \| passthrough \| passthrough-x */
	442	'casesensitivity', /* sensitive \| insensitive \| mixed */
	443	'primarycache', /* all \| none \| metadata */
	444	'secondarycache', /* all \| none \| metadata */
	445	'logbias', /* latency \| throughput */
	446	'dedup', /* on \| off */
	447	'sync' /* standard \| always \| disabled */
	448	);
	449	if (count($this->features) < 1)
	450	$this->features = $this->getAllAttributes();
	451	foreach ($this->features as $attr => $val) {
	452	if (in_array($attr, $featureSet))
	453	$attrs[$attr] = $val;
	454	}
	455
	456	return $attrs;
	457	}
	458
	459	/**
	460	* XXX
	461	*
	462	* @return void
	463	* @throws OMVModuleZFSException
	464	* @access public
	465	*/
	466	public function export() {
	467	$cmd = "zpool export " . $this->name;
	468	OMVUtil::exec($cmd, $output, $result);
	469	if ($result)
	470	throw new OMVModuleZFSException($output);
	471	}
	472
	473	/**
	474	* XXX
	475	*
	476	* @param string $name
	477	* @return void
	478	* @throws OMVModuleZFSException
	479	* @access public
	480	*/
	481	public function import($name = null) {
	482	if ($name)
	483	$cmd = "zpool import $name";
	484	else
	485	$cmd = "zpool import";
	486	OMVUtil::exec($cmd, $output, $result);
	487	if ($result)
	488	throw new OMVModuleZFSException($output);
	489	}
	490
	491	/**
	492	* XXX
	493	*
	494	* @return void
	495	* @throws OMVModuleZFSException
	496	* @access public
	497	*/
	498	public function scrub() {
	499	$cmd = "zpool scrub " . $this->name;
	500	OMVUtil::exec($cmd, $output, $result);
	501	if ($result)
	502	throw new OMVModuleZFSException($output);
	503	}
	504
	505	/**
	506	* XXX
	507	*
	508	* @return string
	509	* @throws OMVModuleZFSException
	510	* @access public
	511	*/
	512	public function status() {
	513	$cmd = "zpool status " . $this->name;
	514	OMVUtil::exec($cmd, $output, $result);
	515	if ($result)
	516	throw new OMVModuleZFSException($output);
	517	}
	518
	519	public function bindListeners(OMVNotifyDispatcher $dispatcher) {
	520	// Update service if configuration has been modified
	521	$dispatcher->addListener(
	522	OMV_NOTIFY_MODIFY,
	523	"org.openmediavault.services.nfs",
	524	array($this, "onUpdateNFSService"));
	525	$dispatcher->addListener(
	526	OMV_NOTIFY_CREATE,
	527	"org.openmediavault.services.nfs.shares.share",
	528	array($this, "onCreateNFSShare"));
	529	$dispatcher->addListener(
	530	OMV_NOTIFY_DELETE,
	531	"org.openmediavault.services.nfs.shares.share",
	532	array($this, "onDeleteNFSShare"));
	533	$dispatcher->addListener(
	534	OMV_NOTIFY_MODIFY,
	535	"org.openmediavault.services.nfs.shares.share",
	536	array($this, "onUpdateNFSShare"));
	537	}
	538
	539	/**
	540	* XXX
	541	* org.openmediavault.services.nfs
	542	*
	543	* @param string event
	544	* @access public
	545	*/
	546	public function onUpdateNFSService($args) {
	547	$this->debug(sprintf("onUpdateNFSService args=%s", var_export($args, true)));
	548	}
	549
	550	/**
	551	* XXX
	552	* org.openmediavault.services.nfs.shares.share
	553	*
	554	* @param string event
	555	* @access public
	556	*/
	557	public function onCreateNFSShare($args) {
	558	$this->debug(sprintf("onCreateNFSShare args=%s", var_export($args, true)));
	559	}
	560
	561	/**
	562	* XXX
	563	* org.openmediavault.services.nfs.shares.share
	564	*
	565	* @param string event
	566	* @access public
	567	*/
	568	public function onDeleteNFSShare($args) {
	569	$this->debug(sprintf("onDeleteNFSShare args=%s", var_export($args, true)));
	570	}
	571
	572	/**
	573	* XXX
	574	* org.openmediavault.services.nfs.shares.share
	575	*
	576	* @param string event
	577	* @access public
	578	*/
	579	public function onUpdateNFSShare($args) {
	580	$this->debug(sprintf("onUpdateNFSShare args=%s", var_export($args, true)));
	581	}
	582
	583	/**
	584	* Convert array of Vdev to command string
	585	*
	586	* @param array $vdevs
	587	* @return string
	588	* @throws OMVMODULEZFSException
	589	*/
	590	private function getCommandString(array $vdevs) {
	591	$adds = array();
	592
	593	foreach ($vdevs as $vdev) {
	594	if (is_object($vdev) == false)
	595	throw new OMVMODULEZFSException("Not object of class OMVModuleZFSVdev");
	596	if (is_a($vdev, OMVModuleZFSVdev) == false)
	597	throw new OMVMODULEZFSException("Object is not of class OMVModuleZFSVdev");
	598	$type = $vdev->getType();
	599	$command = "";
	600
	601	switch ($type) {
	602	case OMVModuleZFSVdevType::OMVMODULEZFSPLAIN: break;
	603	case OMVModuleZFSVdevType::OMVMODULEZFSMIRROR: $command = "mirror"; break;
	604	case OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1: $command = "raidz1"; break;
	605	case OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2: $command = "raidz2"; break;
	606	case OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3: $command = "raidz3"; break;
	607	default:
	608	throw new OMVMODULEZFSException("Unknown Vdev type");
	609	}
	610	$disks = $vdev->getDisks();
	611	$diskStr = "";
	612	foreach($disks as $disk) {
	613	$diskStr .= " $disk";
	614	}
	615
	616	array_push ($adds, $command . $diskStr);
	617	}
	618
	619	return join(" ", $adds);
	620	}
	621
	622	/**
	623	* Get an attribute from pool
	624	*
	625	* @param string $attribute
	626	* @return string value
	627	*/
	628	private function getAttribute($attribute) {
	629	$cmd = "zpool list -H -o $attribute {$this->name}";
	630	OMVUtil::exec($cmd, $output, $result);
	631	if ($result) {
	632	$cmd = "zfs list -H -o $attribute {$this->name}";
	633	OMVUtil::exec($cmd, $output, $result);
	634	if ($result)
	635	return null;
	636	}
	637
	638	return $output;
	639	}
	640
	641	/**
	642	* Get all attributes from pool
	643	* @return array of attributes
	644	* @throws OMVModuleZFSException
	645	*/
	646	private function getAllAttributes() {
	647	$attrs = array();
	648	$cmd = "zfs get -H all {$this->name}";
	649
	650	OMVUtil::exec($cmd, $output, $result);
	651	if ($result)
	652	throw new OMVModuleZFSException($output);
	653	$output = implode("\n", $output);
	654	$res = preg_match_all("/{$this->name}\s+(\w+)\s+([\w\d\.]+).*/", $output, $matches, PREG_SET_ORDER);
	655	if ($res == false \|\| $res == 0)
	656	throw new OMVModuleZFSException("Error return by zpool get all: $output");
	657	foreach ($matches as $match) {
	658	$attrs[$match[1]] = $match[2];
	659	}
	660
	661	return $attrs;
	662	}
	663
	664	/**
	665	* Remove a disk from array
	666	*
	667	* @param array $array
	668	* @param string $disk
	669	* @return array
	670	*/
	671	private function removeDisk(array $array, $disk) {
	672	$new_disks = array();
	673
	674	foreach ($array as $item) {
	675	if (strcmp($item, $disk) != 0)
	676	array_push ($new_disks, $item);
	677	}
	678
	679	return $new_disks;
	680	}
	681
	682	/**
	683	* Construct existing pool
	684	*
	685	* @param string $name
	686	* @return void
	687	* @throws OMVModuleZFSException
	688	*/
	689	private function assemblePool($name) {
	690	$cmd = "zpool status -v $name";
	691	$types = 'mirror\|raidz1\|raidz2\|raidz3';
	692	$dev = null;
	693	$type = null;
	694	$log = false;
	695	$cache = false;
	696	$start = true;
	697
	698	OMVUtil::exec($cmd, $output, $result);
	699	if ($result)
	700	throw new OMVModuleZFSException($output);
	701
	702	$this->name = $name;
	703	foreach($output as $line) {
	704	if (! strstr($line, PHP_EOL))
	705	$line .= PHP_EOL;
	706	if ($start) {
	707	if (preg_match("/^\s*NAME/", $line))
	708	$start = false;
	709	continue;
	710	} else {
	711	if (preg_match("/^\s*$/", $line)) {
	712	if ($dev) {
	713	$this->output($part, $type, $dev);
	714	}
	715	break;
	716	} else if (preg_match("/^\s*($name\|logs\|cache\|spares)/", $line, $match)) {
	717	if ($dev) {
	718	$this->output($part, $type, $dev);
	719	$dev = null;
	720	$type = null;
	721	}
	722	$part = $match[1];
	723	} else {
	724	switch ($part) {
	725	case $name:
	726	if (preg_match("/^\s*($types)/", $line, $match)) {
	727	/* new vdev */
	728	if ($type) {
	729	$this->output(null, $type, $dev);
	730	$dev = null;
	731	}
	732	$type = $match[1];
	733	} else if (preg_match("/^\s*([\w\d-]+)\s+/", $line, $match)) {
	734	if ($dev)
	735	$dev .= " $match[1]";
	736	else
	737	$dev = "$match[1]";
	738	}
	739	break;
	740	case 'logs':
	741	if (preg_match("/^\s*([\w\d-]+)\s+/", $line, $match)) {
	742	if ($dev)
	743	$dev .= " $match[1]";
	744	else
	745	$dev = "$match[1]";
	746	}
	747	break;
	748	case 'cache':
	749	case 'spares':
	750	if (preg_match("/^\s*([\w\d-]+)\s+/", $line, $match)) {
	751	if ($dev)
	752	$dev .= " $match[1]";
	753	else
	754	$dev = "$match[1]";
	755	}
	756	break;
	757	default:
	758	throw new Exception("$part: Unknown pool part");
	759	}
	760	}
	761	}
	762	}
	763	$this->size = $this->getAttribute("size");
	764	$this->mountPoint = $this->getAttribute("mountpoint");
	765	}
	766
	767	/**
	768	* Create pool config from parsed input
	769	*
	770	* @param string $part
	771	* @param string $type
	772	* @param string $dev
	773	* @return void
	774	* @throws OMVModuleZFSException
	775	*/
	776	private function output($part, $type, $dev) {
	777	$disks = split(" ", $dev);
	778	switch ($part) {
	779	case 'logs':
	780	if ($type && $type != 'mirror')
	781	throw new Exception("$type: Logs can only be mirror or plain");
	782	if ($type)
	783	$this->log = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSMIRROR, $disks);
	784	else
	785	$this->log = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks);
	786	break;
	787	case 'cache':
	788	if ($type)
	789	throw new Exception("$type: cache can only be plain");
	790	$this->cache = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks);
	791	break;
	792	case 'spares':
	793	if ($type)
	794	throw new Exception("$type: spares can only be plain");
	795	$this->spare = new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks);
	796	break;
	797	default:
	798	if ($type) {
	799	switch ($type) {
	800	case 'mirror':
	801	array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSMIRROR, $disks));
	802	$this->type = OMVModuleZFSVdevType::OMVMODULEZFSMIRROR;
	803	break;
	804	case 'raidz1':
	805	array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1, $disks));
	806	$this->type = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ1;
	807	break;
	808	case 'raidz2':
	809	array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2, $disks));
	810	$this->type = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ2;
	811	break;
	812	case 'raidz3':
	813	array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3, $disks));
	814	$this->type = OMVModuleZFSVdevType::OMVMODULEZFSRAIDZ3;
	815	break;
	816	}
	817	} else {
	818	array_push($this->vdevs, new OMVModuleZFSVdev($this->name, OMVModuleZFSVdevType::OMVMODULEZFSPLAIN, $disks));
	819	$this->type = OMVModuleZFSVdevType::OMVMODULEZFSPLAIN;
	820	}
	821	break;
	822	}
	823	}
	824
	825	}
	826
	827	?>