Support for cloned filesystems and volumes.

[omvzfs.git] / src / Zvol.php

diff --git a/src/Zvol.php b/src/Zvol.php
index e35af5ab0e8c874b424519696b550e98d0b43c6c..8b65ac0e9ea21af76b62994a067ffdd91c101bac 100644 (file)
--- a/src/Zvol.php
+++ b/src/Zvol.php
@@ -265,6 +265,49 @@ class OMVModuleZFSZvol {
                $this->snapshots[$snap_name]->destroy();
                unset($this->snapshots[$snap_name]);
        }
+       
+       /**
+       * Check if the Volume 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 Volume 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 $origin['value'];
+               } else {
+                       return "";
+               }
+       }
+
+       /**
+       * Promotes the Volume if it's a clone.
+       *
+       * @return void
+       * @access public
+       */
+       public function promote() {
+               if ($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