utils_http.go

// Copyright 2016 CoreOS, 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 proc

import (
	"io"
	"io/ioutil"
	"net/http"
)

// gracefulClose drains http.Response.Body until it hits EOF
// and closes it. This prevents TCP/TLS connections from closing,
// therefore available for reuse.
func gracefulClose(resp *http.Response) {
	io.Copy(ioutil.Discard, resp.Body)
	resp.Body.Close()
}