I am using go.uber.org/zap/zapcore
for logging in my Go app.
package logger
import (
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"log"
)
var l *zap.Logger
func Get() *zap.Logger {
return l
}
func Init() {
conf := zap.NewProductionConfig()
logger, err := conf.Build()
if err != nil {
log.Fatal("Init logger failed", err)
}
l = logger
}
I also have Sentry project and use github.com/getsentry/raven-go
.
I want to send logs at error
level and above to Sentry.
For example when logging at info
level with logger.Info()
I want to just log them as usual, but in case of error
or fatal
logs I need send these messages to Sentry. How can I achieve that?
The answer is you should use zap wrapper for adding hooks then you have to use the function of logger which is called WithOptions
sentryOptions := zap.WrapCore(func(core zapcore.Core) zapcore.Core {
return zapcore.RegisterHooks(core, func(entry zapcore.Entry) error {
// your logic here
})
})
logger.WithOptions(sentryOptions)
The following will capture the message and send it to the sentry when an error level is detected, with customized error line number and message.
err := sentry.Init(sentry.ClientOptions{Dsn: "http://~~~~~"})
if err != nil {
log.fatal("Sentry Error Setup ::", err.Error())
}
logger, _ := zap.NewDevelopment(zap.Hooks(func(entry zapcore.Entry) error {
if entry.Level == zapcore.ErrorLevel {
defer sentry.Flush(2 * time.Second)
sentry.CaptureMessage(fmt.Sprintf("%s, Line No: %d :: %s", entry.Caller.File, entry.Caller.Line, entry.Message))
}
return nil
}))
sugar := logger.Sugar()
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