6199aa0707
* Implements a Peer RPC router that sends info to all Minio servers in the cluster. * Bucket notifications are propagated to all nodes via this RPC router. * Bucket listener configuration is persisted to separate object layer file (`listener.json`) and peer RPCs are used to communicate changes throughout the cluster. * When events are generated, RPC calls to send them to other servers where bucket listeners may be connected is implemented. * Some bucket notification tests are now disabled as they cannot work in the new design. * Minor fix in `funcFromPC` to use `path.Join`
83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"io/ioutil"
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"github.com/Sirupsen/logrus"
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)
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type listenerConn struct {
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Client *AuthRPCClient
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ListenerARN string
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}
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type listenerLogger struct {
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log *logrus.Logger
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lconn listenerConn
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}
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func newListenerLogger(listenerArn, targetAddr string) (*listenerLogger, error) {
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client := globalS3Peers.GetPeerClient(targetAddr)
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if client == nil {
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return nil, fmt.Errorf("Peer %s was not initialized - bug!",
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targetAddr)
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}
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lc := listenerConn{
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Client: client,
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ListenerARN: listenerArn,
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}
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lcLog := logrus.New()
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lcLog.Out = ioutil.Discard
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lcLog.Formatter = new(logrus.JSONFormatter)
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lcLog.Hooks.Add(lc)
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return &listenerLogger{lcLog, lc}, nil
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}
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func (lc listenerConn) Close() {
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// ignore closing errors
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_ = lc.Client.Close()
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}
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// send event to target server via rpc client calls.
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func (lc listenerConn) Fire(entry *logrus.Entry) error {
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notificationEvent, ok := entry.Data["Records"].([]NotificationEvent)
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if !ok {
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// If the record is not of the expected type, silently
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// discard.
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return nil
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}
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evArgs := EventArgs{Event: notificationEvent, Arn: lc.ListenerARN}
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reply := GenericReply{}
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err := lc.Client.Call("S3.Event", &evArgs, &reply)
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return err
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}
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func (lc listenerConn) Levels() []logrus.Level {
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return []logrus.Level{
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logrus.InfoLevel,
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}
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}
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