/
util.go
47 lines (40 loc) · 1.13 KB
/
util.go
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// Copyright 2018 Istio Authors
//
// 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 util
import (
"bytes"
"fmt"
"io"
"net/http"
"time"
)
const requestTimeout = time.Second * 2
func doHTTPGet(requestURL string) (*bytes.Buffer, error) {
httpClient := &http.Client{
Timeout: requestTimeout,
}
response, err := httpClient.Get(requestURL)
if err != nil {
return nil, err
}
defer response.Body.Close()
if response.StatusCode != http.StatusOK {
return nil, fmt.Errorf("unexpected status %d", response.StatusCode)
}
var b bytes.Buffer
if _, err := io.Copy(&b, response.Body); err != nil {
return nil, err
}
return &b, nil
}