func write(log map[string]string) error {
if logFileName != "" {
f, err := os.OpenFile(logFileName, os.O_RDWR|os.O_CREATE|os.O_APPEND, logFilePermit)
if err != nil {
logger.Println("Open log failed.")
return nil
}
defer f.Close()
ltsvLog := convertLTSV(log)
if _, err = f.WriteString(ltsvLog); err != nil {
logger.Println("Write log failed.")
}
}
if fluentTag != "" {
logger, err := fluent.New(fluent.Config{FluentPort: fluentPort, FluentHost: fluentHost})
if err != nil {
return err
}
defer logger.Close()
error := logger.Post(fluentTag, log)
if error != nil {
panic(error)
}
}
return nil
}
func main() {
// initialize logger
log := logger.Logger()
defer log.Close()
defer log.Flush()
// parse input parameters
parseFlags(log)
// check whether this is an interactive session
isIntSess, err := svc.IsAnInteractiveSession()
if err != nil {
log.Warnf("Failed to determine if we are running in an interactive session: %v", err)
}
// isIntSess is false by default (after declaration), this fits the use
// case that agent is running as Windows service most of times
switch isIntSess {
case true:
run(log)
case false:
svc.Run(serviceName, &amazonSSMAgentService{log: log})
}
}