mirror of
https://github.com/minio/minio.git
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fd1b8491db
Currently Go http connection pool was not being properly utilized leading to degrading performance as the number of concurrent requests increased. As recommended by Go implementation, we have to drain the response body and close it.
128 lines
3.0 KiB
Go
128 lines
3.0 KiB
Go
/*
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* Minio Cloud Storage, (C) 2018 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 target
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import (
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"bytes"
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"crypto/tls"
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"crypto/x509"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"net/url"
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"time"
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"github.com/minio/minio/pkg/event"
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xnet "github.com/minio/minio/pkg/net"
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)
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// WebhookArgs - Webhook target arguments.
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type WebhookArgs struct {
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Enable bool `json:"enable"`
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Endpoint xnet.URL `json:"endpoint"`
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RootCAs *x509.CertPool `json:"-"`
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}
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// Validate WebhookArgs fields
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func (w WebhookArgs) Validate() error {
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if !w.Enable {
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return nil
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}
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if w.Endpoint.IsEmpty() {
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return errors.New("endpoint empty")
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}
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return nil
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}
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// WebhookTarget - Webhook target.
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type WebhookTarget struct {
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id event.TargetID
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args WebhookArgs
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httpClient *http.Client
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}
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// ID - returns target ID.
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func (target WebhookTarget) ID() event.TargetID {
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return target.id
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}
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// Send - sends event to Webhook.
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func (target *WebhookTarget) Send(eventData event.Event) error {
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objectName, err := url.QueryUnescape(eventData.S3.Object.Key)
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if err != nil {
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return err
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}
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key := eventData.S3.Bucket.Name + "/" + objectName
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data, err := json.Marshal(event.Log{eventData.EventName, key, []event.Event{eventData}})
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if err != nil {
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return err
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}
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req, err := http.NewRequest("POST", target.args.Endpoint.String(), bytes.NewReader(data))
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if err != nil {
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return err
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}
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// req.Header.Set("User-Agent", globalServerUserAgent)
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req.Header.Set("Content-Type", "application/json")
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resp, err := target.httpClient.Do(req)
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if err != nil {
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return err
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}
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// FIXME: log returned error. ignore time being.
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io.Copy(ioutil.Discard, resp.Body)
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_ = resp.Body.Close()
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if resp.StatusCode < 200 || resp.StatusCode > 299 {
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return fmt.Errorf("sending event failed with %v", resp.Status)
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}
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return nil
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}
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// Close - does nothing and available for interface compatibility.
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func (target *WebhookTarget) Close() error {
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return nil
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}
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// NewWebhookTarget - creates new Webhook target.
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func NewWebhookTarget(id string, args WebhookArgs) *WebhookTarget {
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return &WebhookTarget{
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id: event.TargetID{id, "webhook"},
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args: args,
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httpClient: &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: &tls.Config{RootCAs: args.RootCAs},
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DialContext: (&net.Dialer{
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Timeout: 5 * time.Second,
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KeepAlive: 5 * time.Second,
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}).DialContext,
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TLSHandshakeTimeout: 3 * time.Second,
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ResponseHeaderTimeout: 3 * time.Second,
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ExpectContinueTimeout: 2 * time.Second,
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},
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},
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}
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}
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