* @access private
*/
private $name;
- /**
+
+ /**
* Mountpoint of the Dataset
*
* @var string $mountPoint
// Operations
/**
- * Constructor
+ * Constructor. If the Dataset already exists in the system the object will be updated with all
+ * associated properties from commandline.
*
* @param string $name Name of the new Dataset
- * @param array $properties An associative array with properties to set when creating the Dataset
- *
+ * @return void
+ * @access public
*/
- public function __construct($name, array $properties = null) {
- $cmd = "zfs create -p " . $name . " 2>&1";
- $this->exec($cmd,$out,$res);
+ public function __construct($name) {
$this->name = $name;
- $this->updateAllProperties();
- $this->setProperties($properties);
- $this->mountPoint = $this->properties["mountpoint"][0];
+ $qname = preg_quote($name, '/');
+ $cmd = "zfs list -H";
+ $this->exec($cmd, $out, $res);
+ foreach ($out as $line) {
+ if (preg_match('/^' . $qname . '\t.*$/', $line)) {
+ $this->updateAllProperties();
+ $this->mountPoint = $this->properties["mountpoint"]["value"];
+ continue;
+ }
+ }
}
/**
unset($this->properties);
foreach ($out as $line) {
$tmpary = preg_split('/\t+/', $line);
- $this->properties["$tmpary[1]"] = array($tmpary[2], $tmpary[3]);
+ $this->properties["$tmpary[1]"] = array("value" => $tmpary[2], "source" => $tmpary[3]);
}
}
$cmd = "zfs get -H " . $property . " " . $this->name;
$this->exec($cmd,$out,$res);
$tmpary = preg_split('/\t+/', $out[0]);
- $this->properties["$tmpary[1]"] = array($tmpary[2], $tmpary[3]);
+ $this->properties["$tmpary[1]"] = array("value" => $tmpary[2], "source" => $tmpary[3]);
}
+ /**
+ * Craete a Dataset on commandline. Optionally provide a number of properties to set.
+ *
+ * @param array $properties Properties to set when creating the dataset.
+ * @return void
+ * @access public
+ */
+ public function create(array $properties = null) {
+ $cmd = "zfs create -p " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ $this->updateAllProperties();
+ $this->setProperties($properties);
+ $this->mountPoint = $this->properties["mountpoint"]["value"];
+ }
+
+
/**
* Destroy the Dataset.
*
$this->updateProperty($property);
}
+ /**
+ * Upgrades the Dataset to latest filesystem version
+ *
+ * @return void
+ * @access public
+ */
+ public function upgrade() {
+ $cmd = "zfs upgrade " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ }
+
+ /**
+ * Mount the Dataset
+ *
+ * @return void
+ * @access public
+ */
+ public function mount() {
+ $cmd = "zfs mount " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ $this->updateProperty("mounted");
+ }
+
+ /**
+ * Unmount the Dataset
+ *
+ * @return void
+ * @access public
+ */
+ public function unmount() {
+ $cmd = "zfs unmount " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ $this->updateProperty("mounted");
+ }
+
+
/**
* Helper function to execute a command and throw an exception on error
* (requires stderr redirected to stdout for proper exception message).