X-Git-Url: http://git.datanom.net/omvzfs.git/blobdiff_plain/b7cf97c0e1a5a1761b33fc8fc8f44aaedad4c46e..ddcd45581e5728b126260ed27c6f52a43b2699e6:/src/Dataset.php

diff --git a/src/Dataset.php b/src/Dataset.php
index db3a165..c766f4e 100644
--- a/src/Dataset.php
+++ b/src/Dataset.php
@@ -1,6 +1,7 @@
 <?php
 require_once("Exception.php");
 require_once("openmediavault/util.inc");
+require_once("Snapshot.php");
 
 /**
  * XXX detailed description
@@ -18,7 +19,8 @@ class OMVModuleZFSDataset {
      * @access private
      */
     private $name;
-    /**
+	
+	/**
      * Mountpoint of the Dataset
      *
      * @var    string $mountPoint
@@ -34,23 +36,45 @@ class OMVModuleZFSDataset {
      */
     private $properties;
 
+	/**
+	 * Array with Snapshots associated to the Dataset
+	 *
+	 * @var 	array $snapshots
+	 * @access private
+	 */
+	private $snapshots;
+
 	// Associations
 	// 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;
+			}
+		}
+		$qname = preg_quote($name . "@", '/');
+		$cmd = "zfs list -H -t snapshot";
+		$this->exec($cmd, $out, $res);
+		foreach ($out as $line) {
+			if (preg_match('/^(' . $qname . '[^\s]+)\t.*$/', $line, $res)) {
+				$this->snapshots[$res[1]] = new OMVModuleZFSSnapshot($res[1]);
+			}
+		}
 	}
 
 	/**
@@ -73,6 +97,16 @@ class OMVModuleZFSDataset {
 		return $this->mountPoint;
 	}
 
+	/**
+	 * Get all Snapshots associated with the Dataset
+	 *
+	 * @return array $snapshots
+	 * @access public
+	 */
+	public function getSnapshots() {
+		return $this->snapshots;
+	}
+
 	/**
 	 * Get a single property value associated with the Dataset
 	 *
@@ -123,7 +157,7 @@ class OMVModuleZFSDataset {
 		unset($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]);
 		}
 	}
 
@@ -138,7 +172,22 @@ class OMVModuleZFSDataset {
 		$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"];
 	}
 
 	/**
@@ -179,6 +228,68 @@ class OMVModuleZFSDataset {
 		$this->updateProperty($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");
+	}
+
+	/**
+	 * 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]);
+	}
+
 	/**
 	 * Helper function to execute a command and throw an exception on error
 	 * (requires stderr redirected to stdout for proper exception message).