[GitHub] marcaurele commented on a change in pull request #2373: CLOUDSTACK-10202:createSnapshotPolicy API create multiple entries in DB for same volume.

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marcaurele commented on a change in pull request #2373: CLOUDSTACK-10202:createSnapshotPolicy API create multiple entries in DB for same volume.
URL: https://github.com/apache/cloudstack/pull/2373#discussion_r158675822
 
 

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 File path: server/src/com/cloud/storage/snapshot/SnapshotManagerImpl.java
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 @@ -854,15 +855,17 @@ public SnapshotPolicyVO createPolicy(CreateSnapshotPolicyCmd cmd, Account policy
                 throw new InvalidParameterValueException("Max number of snapshots shouldn't exceed the " + message + " level snapshot limit");
             }
         }
-        SnapshotPolicyVO policy = _snapshotPolicyDao.findOneByVolumeInterval(volumeId, intvType);
-        if (policy == null) {
-            policy = new SnapshotPolicyVO(volumeId, cmd.getSchedule(), timezoneId, intvType, cmd.getMaxSnaps(), display);
-            policy = _snapshotPolicyDao.persist(policy);
-            _snapSchedMgr.scheduleNextSnapshotJob(policy);
-        } else {
-            try {
+
+        policy = _snapshotPolicyDao.acquireInLockTable(volumeId);
 
 Review comment:
   You can request a lock for the snapshot policy table for existing entries and by giving a snapshot policy ID only, not the ID of a volume: `policy = _snapshotPolicyDao.acquireInLockTable(policyId);`
   In your case you don't have a policy id yet when creating a new one. You'll have to use the global lock.

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