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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package main
import (
"fmt"
"os"
"time"
"github.com/newrelic/go-agent"
)
func mustGetEnv(key string) string {
if val := os.Getenv(key); "" != val {
return val
}
panic(fmt.Sprintf("environment variable %s unset", key))
}
func main() {
cfg := newrelic.NewConfig("Short Lived App", mustGetEnv("NEW_RELIC_LICENSE_KEY"))
cfg.Logger = newrelic.NewDebugLogger(os.Stdout)
app, err := newrelic.NewApplication(cfg)
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)
}
// Do the tasks at hand. Perhaps record them using transactions and/or
// custom events.
tasks := []string{"white", "black", "red", "blue", "green", "yellow"}
for _, task := range tasks {
txn := app.StartTransaction("task", nil, nil)
time.Sleep(10 * time.Millisecond)
txn.End()
app.RecordCustomEvent("task", map[string]interface{}{
"color": task,
})
}
// Shut down the application to flush data to New Relic.
app.Shutdown(10 * time.Second)
}
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