use regex instead of contains

Author: skattoju4

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/IscsiStorageCleanupMonitor.java

@@ -39,6 +39,7 @@ public class IscsiStorageCleanupMonitor implements Runnable{
     private static final String KEYWORD_ISCSI = "iscsi";
     private static final String KEYWORD_IQN = "iqn";
     private static final String KEYWORD_PART = "part";
+    private static final String REGEX_PART = "\\S+part\\d+$";
 
     private IscsiAdmStorageAdaptor iscsiStorageAdaptor;
 
@@ -115,7 +116,7 @@ private void updateDiskStatusMapWithInactiveIscsiSessions(Connect conn){
 
                     //check the volume map. If an entry exists change the status to True
                     for (final LibvirtVMDef.DiskDef disk : disks) {
-                        if (diskStatusMap.containsKey(disk.getDiskPath())&&!disk.getDiskPath().contains(KEYWORD_PART)) {
+                        if (diskStatusMap.containsKey(disk.getDiskPath())&&!disk.getDiskPath().matches(REGEX_PART)) {
                             diskStatusMap.put(disk.getDiskPath(), true);
                             s_logger.debug("active disk found by cleanup thread" + disk.getDiskPath());
                         }