1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2021 The Jaeger Authors.
// Copyright (c) 2017 Uber Technologies, 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 utils // import "go.opentelemetry.io/contrib/samplers/jaegerremote/internal/utils"
import (
"encoding/json"
"fmt"
"io"
"net/http"
)
// GetJSON makes an HTTP call to the specified URL and parses the returned JSON into `out`.
func GetJSON(url string, out interface{}) error {
resp, err := http.Get(url) //nolint:gosec // False positive G107: Potential HTTP request made with variable url
if err != nil {
return err
}
return ReadJSON(resp, out)
}
// ReadJSON reads JSON from http.Response and parses it into `out`.
func ReadJSON(resp *http.Response, out interface{}) error {
defer resp.Body.Close()
if resp.StatusCode >= 400 {
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
return fmt.Errorf("status code: %d, body: %s", resp.StatusCode, body)
}
if out == nil {
_, err := io.Copy(io.Discard, resp.Body)
if err != nil {
return err
}
return nil
}
decoder := json.NewDecoder(resp.Body)
return decoder.Decode(out)
}
|
