func main() {
var token = flag.String("token", "nil", "log token")
var logfile = flag.String("logfile", "/tmp/foo.txt", "log file to follow")
var seekInfoOnStart = &tail.SeekInfo{Offset: 0, Whence: os.SEEK_END}
flag.Parse()
fmt.Println("using token: ", *token)
if _, err := os.Stat(*logfile); os.IsNotExist(err) {
fmt.Printf("no such file or directory: %s\n", *logfile)
return
}
le, err := le_go.Connect(*token) // replace with token
if err != nil {
panic(err)
}
defer le.Close()
t, err := tail.TailFile(*logfile, tail.Config{Follow: true, ReOpen: true, Location: seekInfoOnStart, Logger: tail.DiscardingLogger})
if err == nil {
for line := range t.Lines {
le.Println(line.Text)
}
}
}
func NewTailer(filename string, token string) (*Tailer, error) {
t, err := tail.TailFile(filename, tail.Config{
Follow: true,
Location: seekInfoOnStart,
Logger: tail.DiscardingLogger,
})
if err != nil {
return nil, err
}
le, err := le_go.Connect(token)
if err != nil {
panic(err)
}
defer le.Close()
return &Tailer{
Logger: le,
Tail: t,
path: filename,
token: token,
}, nil
}