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
|
// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"fmt"
"net/http"
"os"
"time"
newrelic "github.com/newrelic/go-agent/v3/newrelic"
)
func doRequest(txn *newrelic.Transaction) error {
req, err := http.NewRequest("GET", "http://localhost:8000/segments", nil)
if nil != err {
return err
}
client := &http.Client{}
seg := newrelic.StartExternalSegment(txn, req)
defer seg.End()
resp, err := client.Do(req)
if nil != err {
return err
}
fmt.Println("response code is", resp.StatusCode)
return nil
}
func main() {
app, err := newrelic.NewApplication(
newrelic.ConfigAppName("Client App"),
newrelic.ConfigLicense(os.Getenv("NEW_RELIC_LICENSE_KEY")),
newrelic.ConfigDebugLogger(os.Stdout),
newrelic.ConfigDistributedTracerEnabled(true),
)
if nil != err {
fmt.Println(err)
os.Exit(1)
}
// Wait for the application to connect.
if err = app.WaitForConnection(5 * time.Second); nil != err {
fmt.Println(err)
}
txn := app.StartTransaction("client-txn")
err = doRequest(txn)
if nil != err {
txn.NoticeError(err)
}
txn.End()
// Shut down the application to flush data to New Relic.
app.Shutdown(10 * time.Second)
}
|
