github.com/lulzWill/go-agent@v2.1.2+incompatible/examples/_pkgerrors/main.go (about)

     1  package main
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"time"
     7  
     8  	newrelic "github.com/lulzWill/go-agent"
     9  	"github.com/lulzWill/go-agent/_integrations/nrpkgerrors"
    10  	"github.com/pkg/errors"
    11  )
    12  
    13  type sampleError string
    14  
    15  func (e sampleError) Error() string {
    16  	return string(e)
    17  }
    18  
    19  func alpha() error {
    20  	return errors.WithStack(sampleError("alpha is the cause"))
    21  }
    22  
    23  func beta() error {
    24  	return errors.WithStack(alpha())
    25  }
    26  
    27  func gamma() error {
    28  	return errors.Wrap(beta(), "gamma was involved")
    29  }
    30  
    31  func mustGetEnv(key string) string {
    32  	if val := os.Getenv(key); "" != val {
    33  		return val
    34  	}
    35  	panic(fmt.Sprintf("environment variable %s unset", key))
    36  }
    37  
    38  func main() {
    39  	cfg := newrelic.NewConfig("pkg/errors app", mustGetEnv("NEW_RELIC_LICENSE_KEY"))
    40  	cfg.Logger = newrelic.NewDebugLogger(os.Stdout)
    41  	app, err := newrelic.NewApplication(cfg)
    42  	if nil != err {
    43  		fmt.Println(err)
    44  		os.Exit(1)
    45  	}
    46  
    47  	if err := app.WaitForConnection(5 * time.Second); nil != err {
    48  		fmt.Println(err)
    49  	}
    50  
    51  	txn := app.StartTransaction("has-error", nil, nil)
    52  	e := gamma()
    53  	txn.NoticeError(nrpkgerrors.Wrap(e))
    54  	txn.End()
    55  
    56  	app.Shutdown(10 * time.Second)
    57  }