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Copy pathnsq.go
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116 lines (97 loc) · 2.62 KB
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/*
* Minio Cloud Storage, (C) 2018 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package target
import (
"crypto/tls"
"encoding/json"
"errors"
"net/url"
"github.com/nsqio/go-nsq"
"github.com/minio/minio/pkg/event"
xnet "github.com/minio/minio/pkg/net"
)
// NSQArgs - NSQ target arguments.
type NSQArgs struct {
Enable bool `json:"enable"`
NSQDAddress xnet.Host `json:"nsqdAddress"`
Topic string `json:"topic"`
TLS struct {
Enable bool `json:"enable"`
SkipVerify bool `json:"skipVerify"`
} `json:"tls"`
}
// Validate NSQArgs fields
func (n NSQArgs) Validate() error {
if !n.Enable {
return nil
}
if n.NSQDAddress.IsEmpty() {
return errors.New("empty nsqdAddress")
}
if n.Topic == "" {
return errors.New("empty topic")
}
return nil
}
// NSQTarget - NSQ target.
type NSQTarget struct {
id event.TargetID
args NSQArgs
producer *nsq.Producer
}
// ID - returns target ID.
func (target *NSQTarget) ID() event.TargetID {
return target.id
}
// Send - sends event to NSQD.
func (target *NSQTarget) Send(eventData event.Event) (err error) {
objectName, err := url.QueryUnescape(eventData.S3.Object.Key)
if err != nil {
return err
}
key := eventData.S3.Bucket.Name + "/" + objectName
data, err := json.Marshal(event.Log{EventName: eventData.EventName, Key: key, Records: []event.Event{eventData}})
if err != nil {
return err
}
err = target.producer.Publish(target.args.Topic, data)
return err
}
// Close - closes underneath connections to NSQD server.
func (target *NSQTarget) Close() (err error) {
// this blocks until complete:
target.producer.Stop()
return nil
}
// NewNSQTarget - creates new NSQ target.
func NewNSQTarget(id string, args NSQArgs) (*NSQTarget, error) {
config := nsq.NewConfig()
if args.TLS.Enable {
config.TlsV1 = true
config.TlsConfig = &tls.Config{
InsecureSkipVerify: args.TLS.SkipVerify,
}
}
producer, err := nsq.NewProducer(args.NSQDAddress.String(), config)
if err != nil {
return nil, err
}
return &NSQTarget{
id: event.TargetID{ID: id, Name: "nsq"},
args: args,
producer: producer,
}, nil
}