abh1sar commented on code in PR #11313:
URL: https://github.com/apache/cloudstack/pull/11313#discussion_r2239691675


##########
server/src/main/java/com/cloud/api/query/dao/SnapshotJoinDaoImpl.java:
##########
@@ -96,9 +97,27 @@ private void setSnapshotInfoDetailsInResponse(SnapshotJoinVO 
snapshot, SnapshotR
         } else {
             snapshotResponse.setRevertable(snapshotInfo.isRevertable());
             snapshotResponse.setPhysicalSize(snapshotInfo.getPhysicalSize());
+
+            boolean showChainSize = 
SnapshotManager.snapshotShowChainSize.valueIn(snapshot.getDataCenterId());
+            if (showChainSize && snapshotInfo.getParent() != null) {
+                long chainSize = calculateChainSize(snapshotInfo);
+                snapshotResponse.setChainSize(chainSize);
+            }
         }
     }
 
+    private long calculateChainSize(SnapshotInfo snapshotInfo) {

Review Comment:
   Looks like it is not as trivial. What about we drop the check from here? I 
assume framework would have checks so that the chain doesn't go on infinetly. 



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