* @access public
*/
public function __construct($name) {
+ $snap_exists = true;
$this->name = $name;
- $qname = preg_quote($name, '/');
- $cmd = "zfs list -H -t snapshot";
- $this->exec($cmd, $out, $res);
- foreach ($out as $line) {
- if (preg_match('/^' . $qname . '\t.*$/', $line)) {
- print("Name found!!!\n");
- $this->updateAllProperties();
- continue;
- }
+ $cmd = "zfs list -H -t snapshot " .$name . " 2>&1";
+ try {
+ $this->exec($cmd, $out, $res);
+ $this->updateAllProperties();
+ }
+ catch (OMVModuleZFSException $e) {
+ $snap_exists = false;
+ }
+ if (!$snap_exists) {
+ $this->create();
}
}
}
/**
- * XXX
- *
- * @return list<Feature> XXX
+ * Get a single property value associated with the Snapshot
+ *
+ * @param string $property Name of the property to fetch
+ * @return array The returned array with the property. The property is an associative array with
+ * two elements, <value> and <source>.
* @access public
*/
- public function getFeatures() {
- trigger_error('Not Implemented!', E_USER_WARNING);
+ public function getProperty($property) {
+ return $this->properties["$property"];
}
/**
- * XXX
- *
- * @param $list<Feature> XXX
- * @return void XXX
+ * Get an associative array of all properties associated with the Snapshot
+ *
+ * @return array $properties Each entry is an associative array with two elements
+ * <value> and <source>
* @access public
*/
- public function setFeatures($list) {
- trigger_error('Not Implemented!', E_USER_WARNING);
+ public function getProperties() {
+ return $this->properties;
+ }
+
+ /**
+ * Sets a number of Snapshot 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 . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ $this->updateProperty($newpropertyk);
+ }
+ }
+
+ /**
+ * Get single Snapshot property from commandline and update object property attribute
+ *
+ * @param string $property Name of the property to update
+ * @return void
+ * @access private
+ */
+ private function updateProperty($property) {
+ $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("value" => $tmpary[2], "source" => $tmpary[3]);
}
/**
* @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("value" => $tmpary[2], "source" => $tmpary[3]);
+ $tmpary = preg_split('/\t/', $line);
+ if (strlen($tmpary[2] == 0)) {
+ $this->properties["$tmpary[1]"] = array("value" => "-", "source" => $tmpary[3]);
+ } else {
+ $this->properties["$tmpary[1]"] = array("value" => $tmpary[2], "source" => $tmpary[3]);
+ }
}
}
+ /**
+ * Create a Snapshot on commandline.
+ *
+ * @return void
+ * @access private
+ */
+ private function create() {
+ $cmd = "zfs snapshot " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ $this->updateAllProperties();
+ }
+
+ /**
+ * Destroy a Snapshot on commandline.
+ *
+ * @return void
+ * @access public
+ */
+ public function destroy() {
+ $cmd = "zfs destroy " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ }
+
+ /**
+ * Rollback a Snapshot on commandline.
+ *
+ * @return void
+ * @access public
+ */
+ public function rollback() {
+ $cmd = "zfs rollback " . $this->name . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ }
+
+ /**
+ * Clones a Snapshot on commandline.
+ *
+ * @param string $newname
+ * @return void
+ * @access public
+ */
+ public function clonesnap($newname) {
+ $cmd = "zfs clone -p " . $this->name . " " . $newname . " 2>&1";
+ $this->exec($cmd,$out,$res);
+ }
+
/**
* Helper function to execute a command and throw an exception on error
* (requires stderr redirected to stdout for proper exception message).