From b7cdd3e840857031baaa2ccb2eeda2e926e2a79d Mon Sep 17 00:00:00 2001
From: Bevisy <binbin36520@gmail.com>
Date: Sat, 25 May 2019 18:27:12 +0800
Subject: [PATCH] Exhaust request body before closing it (#5596)

Signed-off-by: bevisy <binbin36520@gmail.com>
---
 discovery/triton/triton.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/discovery/triton/triton.go b/discovery/triton/triton.go
index d7a3ed3ca..cef9e1c52 100644
--- a/discovery/triton/triton.go
+++ b/discovery/triton/triton.go
@@ -17,6 +17,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"net/http"
 	"net/url"
@@ -157,7 +158,10 @@ func (d *Discovery) refresh(ctx context.Context) ([]*targetgroup.Group, error) {
 		return nil, errors.Wrap(err, "an error occurred when requesting targets from the discovery endpoint")
 	}
 
-	defer resp.Body.Close()
+	defer func() {
+		io.Copy(ioutil.Discard, resp.Body)
+		resp.Body.Close()
+	}()
 
 	data, err := ioutil.ReadAll(resp.Body)
 	if err != nil {