add rhel6.1 support

agent/src/com/cloud/agent/resource/computing/LibvirtComputingResource.java

@@ -3473,22 +3473,12 @@ public class LibvirtComputingResource extends ServerResourceBase implements Serv
     
     /*online snapshot supported by enhanced qemu-kvm*/
     private boolean isSnapshotSupported() {
-    	File f =new File("/usr/bin/cloud-qemu-system-x86_64");
-    	if (f.exists()) {
-    		return true;
-    	} 
-
-    	f = new File("/usr/libexec/cloud-qemu-kvm");
-    	if (f.exists()) {
-    		return true;
+    	String result = executeBashScript("qemu-img --help|grep convert |grep snapshot");
+    	if (result != null) {
+    	    return false;
+    	} else {
+    	    return true;
     	}
-    	
-    	f = new File("/usr/bin/cloud-qemu-img");
-    	if (f.exists()) {
-    		return true;
-    	}
-
-    	return false;
     }
     
     private Pair<Double, Double> getNicStats(String nicName) {

python/lib/cloudutils/serviceConfig.py

@@ -256,7 +256,10 @@ class networkConfigRedhat(serviceCfgBase, networkConfigBase):
                 self.syscfg.svo.stopService("NetworkManager")
                 self.syscfg.svo.disableService("NetworkManager")
 
-         
+            cfo = configFileOps("/etc/sysconfig/network", self)
+            cfo.addEntry("NOZEROCONF", "yes")
+            cfo.save()
+
             if not bash("service network restart").isSuccess():
                 raise CloudInternalException("Can't restart network")
             

scripts/storage/qcow2/createtmplt.sh

@@ -29,6 +29,16 @@ usage() {
 
 
 #set -x
+qemu_img="cloud-qemu-img"
+which $qemu_img
+if [ $? -gt 0 ]
+then
+   which qemu-img
+   if [ $? -eq 0 ]
+   then
+       qemu_img="qemu-img"
+   fi
+fi
 
 
 verify_cksum() {
@@ -108,7 +118,7 @@ create_from_snapshot() {
   local tmpltfs=$3
   local tmpltname=$4
 
-  cloud-qemu-img convert -f qcow2 -O qcow2 -s $snapshotName $tmpltImg /$tmpltfs/$tmpltname >& /dev/null
+  $qemu_img convert -f qcow2 -O qcow2 -s $snapshotName $tmpltImg /$tmpltfs/$tmpltname >& /dev/null
   if [ $? -gt 0 ]
   then
      printf "Failed to create template /$tmplfs/$tmpltname from snapshot $snapshotName on disk $tmpltImg "

scripts/storage/qcow2/managesnapshot.sh

@@ -32,6 +32,17 @@ usage() {
   exit 2
 }
 
+qemu_img="cloud-qemu-img"
+which $qemu_img
+if [ $? -gt 0 ]
+then
+   which qemu-img
+   if [ $? -eq 0 ]
+   then
+       qemu_img="qemu-img"
+   fi
+fi
+
 create_snapshot() {
   local disk=$1
   local snapshotname=$2
@@ -44,13 +55,13 @@ create_snapshot() {
      return $failed
   fi
 
-  cloud-qemu-img snapshot -c $snapshotname $disk
+  $qemu_img snapshot -c $snapshotname $disk
   
   if [ $? -gt 0 ]
   then
     failed=2
     printf "***Failed to create snapshot $snapshotname for path $disk\n" >&2
-    cloud-qemu-img snapshot -d $snapshotname $disk
+    $qemu_img snapshot -d $snapshotname $disk
     
     if [ $? -gt 0 ]
     then
@@ -83,7 +94,7 @@ destroy_snapshot() {
      return $failed
   fi
 
-  cloud-qemu-img snapshot -d $snapshotname $disk
+  $qemu_img snapshot -d $snapshotname $disk
   if [ $? -gt 0 ]
   then
      failed=2
@@ -98,7 +109,7 @@ rollback_snapshot() {
   local snapshotname=$2
   local failed=0
 
-  qemu-img snapshot -a $snapshotname $disk
+  $qemu_img snapshot -a $snapshotname $disk
   
   if [ $? -gt 0 ]
   then
@@ -125,14 +136,14 @@ backup_snapshot() {
   fi
 
   # Does the snapshot exist? 
-  cloud-qemu-img snapshot -l $disk|grep -w "$snapshotname" >& /dev/null
+  $qemu_img snapshot -l $disk|grep -w "$snapshotname" >& /dev/null
   if [ $? -gt 0 ]
   then
     printf "there is no $snapshotname on disk $disk" >&2
     return 1
   fi
 
-  cloud-qemu-img convert -f qcow2 -O qcow2 -s $snapshotname $disk $destPath/$destName >& /dev/null
+  $qemu_img convert -f qcow2 -O qcow2 -s $snapshotname $disk $destPath/$destName >& /dev/null
   if [ $? -gt 0 ]
   then
     printf "Failed to backup $snapshotname for disk $disk to $destPath" >&2

server/src/com/cloud/vm/UserVmManagerImpl.java

@@ -1582,10 +1582,13 @@ public class UserVmManagerImpl implements UserVmManager, UserVmService, Manager
                     // Specify RAW format makes it unusable for snapshots.
                     privateTemplate.setFormat(ImageFormat.RAW);
                 }
-                Transaction txn = Transaction.currentTxn();
+                
                 String checkSum = getChecksum(secondaryStorageHost.getId(), answer.getPath());
+                
+                Transaction txn = Transaction.currentTxn();
 
                 txn.start();
+
                 privateTemplate.setChecksum(checkSum);
                 _templateDao.update(templateId, privateTemplate);