Changes required to use addon-sheepdog

Just .h and .cc files to avoid users being forced to compile opennebula.

(cherry picked from commit 72faa33d2d)
(cherry picked from commit 02e34cce7b)

include/Image.h

@@ -82,6 +82,8 @@ public:
         RBD_CDROM     = 4, /** < CEPH RBD CDROM disk */
         GLUSTER       = 5, /** < Gluster Block Device */
         GLUSTER_CDROM = 6, /** < Gluster CDROM Device Device */
+        SHEEPDOG      = 7, /** < Sheepdog Block Device */
+        SHEEPDOG_CDROM = 8, /** < Sheepdog CDROM Device Device */
         NONE          = 255 /** < No disk type, error situation */
     };
 
@@ -101,6 +103,8 @@ public:
             case RBD_CDROM:         return "RBD_CDROM" ; break;
             case GLUSTER:           return "GLUSTER" ; break;
             case GLUSTER_CDROM:     return "GLUSTER_CDROM" ; break;
+            case SHEEPDOG:	    return "SHEEPDOG" ; break;
+            case SHEEPDOG_CDROM:    return "SHEEPDOG_CDROM" ; break;
             default:                return "";
         }
     };

src/datastore/Datastore.cc

@@ -335,6 +335,7 @@ int Datastore::insert(SqlDB *db, string& error_str)
                     goto error_disk_type;
                     break;
                 case Image::RBD_CDROM:
+                case Image::SHEEPDOG_CDROM:
                 case Image::GLUSTER_CDROM:
                     goto error_invalid_disk_type;
                     break;

src/image/Image.cc

@@ -610,6 +610,10 @@ int Image::disk_attribute(  VectorAttribute *       disk,
                     new_disk_type = RBD_CDROM;
                     break;
 
+		case SHEEPDOG:
+		    new_disk_type = SHEEPDOG_CDROM;
+		    break;
+
                 case GLUSTER:
                     new_disk_type = GLUSTER_CDROM;
                     break;
@@ -784,6 +788,10 @@ Image::DiskType Image::str_to_disk_type(string& s_disk_type)
     {
         type = Image::RBD;
     }
+    else if (s_disk_type == "SHEEPDOG")
+    {
+        type = Image::SHEEPDOG;
+    }
     else if (s_disk_type == "GLUSTER")
     {
         type = Image::GLUSTER;

src/vmm/LibVirtDriverKVM.cc

@@ -537,6 +537,26 @@ int LibVirtDriver::deployment_description_kvm(
                      << "\t\t\t</auth>" << endl;
             }
         }
+	else if ( type == "SHEEPDOG" || type == "SHEEPDOG_CDROM" )
+	{
+            if (type == "SHEEPDOG")
+            {
+                file << "\t\t<disk type='network' device='disk'>" << endl;
+            }
+            else
+            {
+                file << "\t\t<disk type='network' device='cdrom'>" << endl;
+            }
+
+            file << "\t\t\t<source protocol='sheepdog' name='" << source;
+
+            if ( clone == "YES" )
+            {
+                file << "-" << vm->get_oid() << "-" << disk_id;
+            }
+
+	    file << "'/>" << endl;
+        }
         else if ( type == "GLUSTER" || type == "GLUSTER_CDROM" )
         {
             if ( type == "GLUSTER" )