mirror of
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124 lines
2.9 KiB
Go
124 lines
2.9 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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"crypto/tls"
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"io/ioutil"
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"time"
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"github.com/Sirupsen/logrus"
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MQTT "github.com/eclipse/paho.mqtt.golang"
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)
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type mqttNotify struct {
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Enable bool `json:"enable"`
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Broker string `json:"broker"`
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Topic string `json:"topic"`
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QoS int `json:"qos"`
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ClientID string `json:"clientId"`
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User string `json:"username"`
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Password string `json:"password"`
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}
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func (m *mqttNotify) Validate() error {
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if !m.Enable {
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return nil
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}
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if _, err := checkURL(m.Broker); err != nil {
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return err
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}
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return nil
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}
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type mqttConn struct {
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params mqttNotify
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Client MQTT.Client
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}
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func dialMQTT(mqttL mqttNotify) (mc mqttConn, e error) {
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if !mqttL.Enable {
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return mc, errNotifyNotEnabled
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}
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connOpts := &MQTT.ClientOptions{
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ClientID: mqttL.ClientID,
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CleanSession: true,
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Username: mqttL.User,
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Password: mqttL.Password,
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MaxReconnectInterval: 1 * time.Second,
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KeepAlive: 30 * time.Second,
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TLSConfig: tls.Config{RootCAs: globalRootCAs},
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}
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connOpts.AddBroker(mqttL.Broker)
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client := MQTT.NewClient(connOpts)
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if token := client.Connect(); token.Wait() && token.Error() != nil {
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return mc, token.Error()
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}
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return mqttConn{Client: client, params: mqttL}, nil
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}
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func newMQTTNotify(accountID string) (*logrus.Logger, error) {
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mqttL := serverConfig.Notify.GetMQTTByID(accountID)
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//connect to MQTT Server
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mqttC, err := dialMQTT(mqttL)
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if err != nil {
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return nil, err
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}
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mqttLog := logrus.New()
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// Disable writing to console.
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mqttLog.Out = ioutil.Discard
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// Add a mqtt hook.
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mqttLog.Hooks.Add(mqttC)
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// Set default JSON formatter
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mqttLog.Formatter = new(logrus.JSONFormatter)
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// successfully enabled all MQTTs
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return mqttLog, nil
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}
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// Fire if called when an event should be sent to the message broker.
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func (q mqttConn) Fire(entry *logrus.Entry) error {
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body, err := entry.String()
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if err != nil {
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return err
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}
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if !q.Client.IsConnected() {
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if token := q.Client.Connect(); token.Wait() && token.Error() != nil {
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return token.Error()
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}
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}
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token := q.Client.Publish(q.params.Topic, byte(q.params.QoS), false, body)
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if token.Wait() && token.Error() != nil {
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return token.Error()
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}
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return nil
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}
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// Levels is available logging levels.
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func (q mqttConn) 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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