func SetupLogger(logger *logrus.Logger) {
fmter := &prefixed.TextFormatter{}
logger.Formatter = fmter
logger.Out = os.Stdout
// Only log the info severity or above.
logger.Level = logrus.InfoLevel
}
func SetLogOut(log *logrus.Logger, outString string) error {
switch outString {
case "stdout":
log.Out = os.Stdout
case "stderr":
log.Out = os.Stderr
default:
f, err := os.OpenFile(outString, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0644)
if err != nil {
return err
}
log.Out = f
}
return nil
}
// Create a logrus logger that writes its out output to a buffer for inspection
func getLogrusLogger() (*logrus.Logger, *bytes.Buffer) {
var logrusLogger *logrus.Logger = logrus.New()
buffer := &bytes.Buffer{}
logrusLogger.Out = buffer
logrusLogger.Formatter = new(logrus.JSONFormatter)
logrusLogger.Level = logrus.DebugLevel
return logrusLogger, buffer
}
// Build an adequate instance of the structured logger for this
// application instance. The journal builder may draw data from the
// app instance to configure the journal correctly. This method only
// instantiates a very basic journal; anything more complicated than
// that should be implementing using a boot.Provider to do it.
func (app *App) makeJournal(level logrus.Level) *logrus.Logger {
const m = "begin writing application journal"
var journal *logrus.Logger = &logrus.Logger{}
formatter := new(logrus.TextFormatter) // std
journal.Level = level // use requested level
journal.Out = os.Stdout // all goes to stdout
journal.Hooks = make(logrus.LevelHooks) // empty
journal.Formatter = formatter // set formatter
formatter.ForceColors = false // act smart
formatter.DisableColors = false // make pretty
formatter.DisableTimestamp = false // is useful
formatter.FullTimestamp = false // numbers
formatter.TimestampFormat = time.StampMilli
formatter.DisableSorting = false // order!
moment := time.Now().Format(app.TimeLayout)
journal.WithField("time", moment).Info(m)
return journal // is ready to use
}
"github.com/Sirupsen/logrus"
"github.com/goadesign/goa"
"github.com/goadesign/goa/logging/logrus"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("goalogrus", func() {
var logger *logrus.Logger
var adapter goa.LogAdapter
var buf bytes.Buffer
BeforeEach(func() {
logger = logrus.New()
logger.Out = &buf
adapter = goalogrus.New(logger)
})
It("adapts info messages", func() {
msg := "msg"
adapter.Info(msg)
Ω(buf.String()).Should(ContainSubstring(msg))
})
})
var _ = Describe("FromEntry", func() {
var entry *logrus.Entry
var adapter goa.LogAdapter
var buf bytes.Buffer