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fix: listenBucket should filter events based on bucket (#8677)

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Currently all bucket events are sent to all watchers
with matching prefix and event names, this becomes
problematic and prone to performance issues, fix this
situation by filtering based on buckets as well.
This commit is contained in:
Harshavardhana
2019-12-20 11:45:03 -08:00
committed by GitHub
parent dc1eb57f4e
commit 8f1243986e
3 changed files with 9 additions and 1 deletions
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6
cmd/bucket-notification-handlers.go
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@@ -228,6 +228,7 @@ func (api objectAPIHandlers) ListenBucketNotificationHandler(w http.ResponseWrit
bucketName := vars["bucket"]
values := r.URL.Query()
values.Set(peerRESTListenBucket, bucketName)
var prefix string
if len(values[peerRESTListenPrefix]) > 1 {
@@ -295,6 +296,9 @@ func (api objectAPIHandlers) ListenBucketNotificationHandler(w http.ResponseWrit
if !ok {
return false
}
if ev.S3.Bucket.Name != values.Get(peerRESTListenBucket) {
return false
}
objectName, uerr := url.QueryUnescape(ev.S3.Object.Key)
if uerr != nil {
objectName = ev.S3.Object.Key
@@ -306,7 +310,7 @@ func (api objectAPIHandlers) ListenBucketNotificationHandler(w http.ResponseWrit
if peer == nil {
continue
}
peer.Listen(listenCh, doneCh, r.URL.Query())
peer.Listen(listenCh, doneCh, values)
}
keepAliveTicker := time.NewTicker(500 * time.Millisecond)