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
##########
File path: server/src/com/cloud/storage/snapshot/SnapshotManagerImpl.java
##########
@@ -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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