X-Git-Url: http://git.datanom.net/omvzfs.git/blobdiff_plain/990e1baf97b94ad3ffa8bc587241369bd73c607e..9be18e883523d420d286694961f5713305ef4b2f:/src/Dataset.php diff --git a/src/Dataset.php b/src/Dataset.php index 57e8edd..65cca31 100644 --- a/src/Dataset.php +++ b/src/Dataset.php @@ -1,6 +1,7 @@ &1"; - $this->exec($cmd,$out,$res); + public function __construct($name) { + $ds_exists = true; $this->name = $name; - $this->updateAllProperties(); - $this->setProperties($properties); - $this->mountPoint = $this->properties["mountpoint"][0]; + $cmd = "zfs list -H -t filesystem " . $name . " 2>&1"; + try { + $this->exec($cmd, $out, $res); + $this->updateAllProperties(); + $this->mountPoint = $this->properties["mountpoint"]["value"]; + } + catch (OMVModuleZFSException $e) { + $ds_exists = false; + } + if ($ds_exists) { + $cmd = "zfs list -r -d 1 -o name -H -t snapshot " . $name . " 2>&1"; + $this->exec($cmd, $out2, $res2); + foreach ($out2 as $line2) { + $this->snapshots[$line2] = new OMVModuleZFSSnapshot($line2); + } + } else { + $this->create(); + } } /** @@ -75,10 +99,25 @@ class OMVModuleZFSDataset { } /** - * Get a single property value associated with the Dataset + * Get all Snapshots associated with the Dataset * + * @return array $snapshots + * @access public + */ + public function getSnapshots() { + if (isset($this->snapshots)) { + return $this->snapshots; + } else { + return array(); + } + } + + /** + * Get a single property value associated with the Dataset + * * @param string $property Name of the property to fetch - * @return array The returned array key 0=property value and key 1=property source. + * @return array The returned array with the property. The property is an associative array with + * two elements, and . * @access public */ public function getProperty($property) { @@ -86,11 +125,10 @@ class OMVModuleZFSDataset { } /** - * Get an associative array of all properties associated with the Dataset. - * - * @return array $properties Each entry is an array where key 0=property value and key - * 1=property source. - * + * Get an associative array of all properties associated with the Snapshot + * + * @return array $properties Each entry is an associative array with two elements + * and * @access public */ public function getProperties() { @@ -106,7 +144,7 @@ class OMVModuleZFSDataset { */ public function setProperties($properties) { foreach ($properties as $newpropertyk => $newpropertyv) { - $cmd = "zfs set " . $newpropertyk . "=" . $newpropertyv . " " . $this->name; + $cmd = "zfs set " . $newpropertyk . "=" . $newpropertyv . " " . $this->name . " 2>&1"; $this->exec($cmd,$out,$res); $this->updateProperty($newpropertyk); } @@ -119,12 +157,12 @@ class OMVModuleZFSDataset { * @access private */ private function updateAllProperties() { - $cmd = "zfs get -H all " . $this->name; + $cmd = "zfs get -H all " . $this->name . " 2>&1"; $this->exec($cmd,$out,$res); 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" => $tmpary[3]); } } @@ -136,10 +174,23 @@ class OMVModuleZFSDataset { * @access private */ private function updateProperty($property) { - $cmd = "zfs get -H " . $property . " " . $this->name; + $cmd = "zfs get -H " . $property . " " . $this->name . " 2>&1"; $this->exec($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. + * + * @return void + * @access private + */ + private function create() { + $cmd = "zfs create -p " . $this->name . " 2>&1"; + $this->exec($cmd,$out,$res); + $this->updateAllProperties(); + $this->mountPoint = $this->properties["mountpoint"]["value"]; } /** @@ -149,7 +200,7 @@ class OMVModuleZFSDataset { * @access public */ public function destroy() { - $cmd = "zfs destroy " . $this->name; + $cmd = "zfs destroy " . $this->name . " 2>&1"; $this->exec($cmd,$out,$res); } @@ -215,6 +266,75 @@ class OMVModuleZFSDataset { $this->updateProperty("mounted"); } + /** + * Creates a Snapshot and adds it to the existing list of snapshots associated + * with the Dataset. + * + * @param string $snap_name Name of the Snapshot to create. + * @param array $properties Optional array of properties to set on Snapshot + * @return void + * @access public + */ + public function addSnapshot($snap_name, array $properties = null) { + $snap = new OMVModuleZFSSnapshot($snap_name); + $snap->create($properties); + $this->snapshots[$snap_name] = $snap; + } + + /** + * Destroys a Snapshot on commandline and removes it from the Dataset. + * + * @param string $snap_name Name of the Snapshot to delete. + * @return void + * @access public + */ + public function deleteSnapshot($snap_name) { + $this->snapshots[$snap_name]->destroy(); + unset($this->snapshots[$snap_name]); + } + + /** + * Check if the Dataset is a clone or not. + * + * @return bool + * @access public + */ + public function isClone() { + $origin = $this->getProperty("origin"); + if (strlen($origin["value"]) > 0) { + return true; + } else { + return false; + } + } + + /** + * Get the origin of the Dataset if it's a clone. + * + * @return string The name of the origin if it exists. Otherwise an empty string. + * @access public + */ + public function getOrigin() { + if ($this->isClone()) { + $origin = $this->getProperty("origin"); + return $origin['value']; + } else { + return ""; + } + } + + /** + * Promotes the Dataset if it's a clone. + * + * @return void + * @access public + */ + public function promote() { + if ($this->isClone()) { + $cmd = "zfs promote " . $this->name . " 2>&1"; + $this->exec($cmd,$out,$res); + } + } /** * Helper function to execute a command and throw an exception on error