iris/_examples/logging/file-logger/main.go
Gerasimos (Makis) Maropoulos ed45c77be5 reorganization of _examples and add some new examples such as iris+groupcache+mysql+docker
Former-commit-id: ed635ee95de7160cde11eaabc0c1dcb0e460a620
2020-06-07 15:26:06 +03:00

49 lines
1.2 KiB
Go

package main
import (
"os"
"time"
"github.com/kataras/iris/v12"
)
func main() {
f := newLogFile()
defer f.Close()
app := iris.New()
// Attach the file as logger, remember, iris' app logger is just an io.Writer.
// Use the following code if you need to write the logs to file and console at the same time.
// app.Logger().SetOutput(io.MultiWriter(f, os.Stdout))
app.Logger().SetOutput(f)
app.Get("/ping", func(ctx iris.Context) {
// for the sake of simplicity, in order see the logs at the ./_today_.txt
ctx.Application().Logger().Infof("Request path: %s", ctx.Path())
ctx.WriteString("pong")
})
// Navigate to http://localhost:8080/ping
// and open the ./logs{TODAY}.txt file.
if err := app.Listen(":8080", iris.WithoutBanner); err != nil {
app.Logger().Warn("Shutdown with error: " + err.Error())
}
}
// Get a filename based on the date, just for the sugar.
func todayFilename() string {
today := time.Now().Format("Jan 02 2006")
return today + ".txt"
}
func newLogFile() *os.File {
filename := todayFilename()
// Open the file, this will append to the today's file if server restarted.
f, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
if err != nil {
panic(err)
}
return f
}