change vmsnapshotmax config scope

Author: bernardodemarco

engine/components-api/src/main/java/com/cloud/vm/snapshot/VMSnapshotManager.java

@@ -31,7 +31,7 @@ public interface VMSnapshotManager extends VMSnapshotService, Manager {
     static final ConfigKey<Integer> VMSnapshotExpireInterval = new ConfigKey<Integer>("Advanced", Integer.class, "vmsnapshot.expire.interval", "-1",
             "VM Snapshot expire interval in hours", true, ConfigKey.Scope.Account);
 
-    ConfigKey<Integer> VMSnapshotMax = new ConfigKey<Integer>("Advanced", Integer.class, "vmsnapshot.max", "10", "Maximum vm snapshots for a single vm", true, ConfigKey.Scope.Global);
+    ConfigKey<Integer> VMSnapshotMax = new ConfigKey<Integer>("Advanced", Integer.class, "vmsnapshot.max", "10", "Maximum vm snapshots for a single vm", true, ConfigKey.Scope.Account);
 
     /**
      * Delete all VM snapshots belonging to one VM

server/src/main/java/com/cloud/vm/snapshot/VMSnapshotManagerImpl.java

@@ -400,7 +400,7 @@ public VMSnapshot allocVMSnapshot(Long vmId, String vsDisplayName, String vsDesc
         _accountMgr.checkAccess(caller, null, true, userVmVo);
 
         // check max snapshot limit for per VM
-        int vmSnapshotMax = VMSnapshotManager.VMSnapshotMax.value();
+        int vmSnapshotMax = VMSnapshotManager.VMSnapshotMax.valueIn(userVmVo.getAccountId());
 
         if (_vmSnapshotDao.findByVm(vmId).size() >= vmSnapshotMax) {
             throw new CloudRuntimeException("Creating vm snapshot failed due to a VM can just have : " + vmSnapshotMax + " VM snapshots. Please delete old ones");