name = $name; $qname = preg_quote($name, '/'); $cmd = "zfs list -H -t volume"; $this->exec($cmd, $out, $res); foreach ($out as $line) { if (preg_match('/^' . $qname . '\t.*$/', $line)) { $this->updateAllProperties(); $this->size = $this->properties["volsize"]["value"]; continue; } } } /** * Return name of the Zvol * * @return string $name * @access public */ public function getName() { return $this->name; } /** * Get a single property value associated with the Zvol * * @param string $property Name of the property to fetch * @return array The returned array with the property. The property is an associative array with * two elements, and . * @access public */ public function getProperty($property) { return $this->properties["$property"]; } /** * Get an associative array of all properties associated with the Zvol * * @return array $properties Each entry is an associative array with two elements * and * @access public */ public function getProperties() { return $this->properties; } /** * Get the total size of the Zvol * * @return string $size * @access public */ public function getSize() { return $this->size; } /** * Sets a number of Zvol properties. If a property is already set it will be updated with the new value. * * @param array $properties An associative array with properties to set * @return void * @access public */ public function setProperties($properties) { foreach ($properties as $newpropertyk => $newpropertyv) { $cmd = "zfs set " . $newpropertyk . "=" . $newpropertyv . " " . $this->name; $this->exec($cmd,$out,$res); $this->updateProperty($newpropertyk); } } /** * Get all Zvol properties from commandline and update object properties attribute * * @return void * @access private */ private function updateAllProperties() { $cmd = "zfs get -H all " . $this->name; $this->exec($cmd,$out,$res); unset($this->properties); foreach ($out as $line) { $tmpary = preg_split('/\t+/', $line); $this->properties["$tmpary[1]"] = array("value" => $tmpary[2], "source" => $tmpary[3]); } } /** * Create a Zvol on commandline. Optionally provide a number of properties to set. * * @param string $size Size of the Zvol that should be created * @param array $properties Properties to set when creatiing the dataset. * @param boolean $sparse Defines if a sparse volume should be created. * @return void * @access public */ public function create($size, array $properties = null, $sparse = null) { $cmd = "zfs create -p "; if (isset($sparse) && $sparse == true) { $cmd .= "-s "; } $cmd .= "-V " . $size . " " . $this->name . " 2>&1"; $this->exec($cmd,$out,$res); $this->updateAllProperties(); $this->setProperties($properties); $this->size = $this->properties["volsize"]["value"]; } /** * Helper function to execute a command and throw an exception on error * (requires stderr redirected to stdout for proper exception message). * * @param string $cmd Command to execute * @param array &$out If provided will contain output in an array * @param int &$res If provided will contain Exit status of the command * @return string Last line of output when executing the command * @throws OMVModuleZFSException * @access private */ private function exec($cmd, &$out = null, &$res = null) { $tmp = OMVUtil::exec($cmd, $out, $res); if ($res) { throw new OMVModuleZFSException(implode("\n", $out)); } return $tmp; } } ?>