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No listener.json for single-node mode (Fixes #3052) (#3108)

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In FS or single-node XL mode, there is no need to save listener
configuration to persistent storage. As there is only one server, if it
is restarted, any connected listenBucketAPI clients were disconnected
and will have to reconnect - so there is nothing to actually store.

This incidentally solves #3052 by avoiding the problem.
This commit is contained in:
Aditya Manthramurthy
2016-10-26 20:13:00 -07:00
committed by Harshavardhana
parent a15dc5fed5
commit 30dc11a931
4 changed files with 37 additions and 10 deletions
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7
cmd/event-notifier.go
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@@ -347,6 +347,13 @@ func loadNotificationConfig(bucket string, objAPI ObjectLayer) (*notificationCon
// loads notification config if any for a given bucket, returns
// structured notification config.
func loadListenerConfig(bucket string, objAPI ObjectLayer) ([]listenerConfig, error) {
// in single node mode, there are no peers, so in this case
// there is no configuration to load, as any previously
// connected listen clients have been disconnected
if !globalS3Peers.isDistXL {
return nil, nil
}
// Construct the notification config path.
listenerConfigPath := path.Join(bucketConfigPrefix, bucket, bucketListenerConfig)
objInfo, err := objAPI.GetObjectInfo(minioMetaBucket, listenerConfigPath)