X-Git-Url: http://git.datanom.net/omvzfs.git/blobdiff_plain/946a8c30ebe271713f4d16830546bc37e64ef301..a238c1a16ee1162aa28919ea82d20b83a69c03c1:/src/Snapshot.php

diff --git a/src/Snapshot.php b/src/Snapshot.php
index 54411e2..fa51be0 100644
--- a/src/Snapshot.php
+++ b/src/Snapshot.php
@@ -39,15 +39,18 @@ class OMVModuleZFSSnapshot {
 	 * @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)) {
-				$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();
 		}
 	}
 
@@ -62,24 +65,55 @@ class OMVModuleZFSSnapshot {
 	}
 
 	/**
-	 * 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]);
 	}
 
 	/**
@@ -89,15 +123,65 @@ class OMVModuleZFSSnapshot {
 	 * @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).