func main() {
d := hwinfo.NewHWInfo()
d.GetTTL()
// fmt.Println(d)
b, err := json.MarshalIndent(d, "", " ")
if err != nil {
fmt.Println(err.Error())
}
fmt.Println(string(b))
}
func main() {
// Set log options.
log.SetOutput(os.Stderr)
log.SetLevel(log.WarnLevel)
// Options.
var opts struct {
Verbose bool `short:"v" long:"verbose" description:"Verbose"`
Version bool `long:"version" description:"Version"`
BindAddr string `short:"b" long:"bind-addr" description:"Bind to address" default:"0.0.0.0"`
Port int `short:"p" long:"port" description:"Port" default:"5050"`
StaticDir string `short:"s" long:"static-dir" description:"Static content" default:"static"`
TemplateDir string `short:"t" long:"template-dir" description:"Templates" default:"templates"`
KafkaEnabled bool `short:"K" long:"kafka" description:"Enable Kafka message bus"`
KafkaTopic string `long:"kafka-topic" description:"Kafka topic" default:"peekaboo"`
KafkaPeers *string `long:"kafka-peers" description:"Comma-delimited list of Kafka brokers"`
KafkaCert *string `long:"kafka-cert" description:"Certificate file for client authentication"`
KafkaKey *string `long:"kafka-key" description:"Key file for client client authentication"`
KafkaCA *string `long:"kafka-ca" description:"CA file for TLS client authentication"`
KafkaVerify bool `long:"kafka-verify" description:"Verify SSL certificate"`
}
// Parse options.
if _, err := flags.Parse(&opts); err != nil {
ferr := err.(*flags.Error)
if ferr.Type == flags.ErrHelp {
os.Exit(0)
} else {
log.Fatal(err.Error())
}
}
// Print version.
if opts.Version {
fmt.Printf("peekaboo %s\n", Version)
os.Exit(0)
}
// Set verbose.
if opts.Verbose {
log.SetLevel(log.InfoLevel)
}
// Check root.
if runtime.GOOS != "darwin" && os.Getuid() != 0 {
log.Fatal("This application requires root privileges to run.")
}
// Get hardware info.
info := hwinfo.NewHWInfo()
if err := info.GetTTL(); err != nil {
log.Fatal(err.Error())
}
// Produce message to Kafka bus.
log.Infof("Produce startup event to Kafka bus with topic: %s", opts.KafkaTopic)
if opts.KafkaEnabled {
if opts.KafkaPeers == nil {
log.Fatal("You need to specify Kafka Peers")
}
user, err := user.Current()
if err != nil {
log.Fatal(err.Error())
}
event := &Event{
Name: "Peekaboo startup",
EventType: STARTED,
Created: time.Now().Format("20060102T150405ZB"),
CreatedBy: CreatedBy{
User: user.Username,
Service: "peekaboo",
Host: info.Hostname,
},
Descr: "Peekaboo startup event",
Data: info,
}
producer := newProducer(strings.Split(*opts.KafkaPeers, ","), opts.KafkaCert, opts.KafkaKey, opts.KafkaCA, opts.KafkaVerify)
partition, offset, err := producer.SendMessage(&sarama.ProducerMessage{
Topic: opts.KafkaTopic,
Value: event,
})
if err != nil {
log.Fatal(err.Error())
}
log.Infof("Kafka partition: %v, offset: %v", partition, offset)
}
log.Infof("Using static dir: %s", opts.StaticDir)
log.Infof("Using template dir: %s", opts.TemplateDir)
m := macaron.Classic()
m.Use(macaron.Static(opts.StaticDir))
m.Use(macaron.Renderer(macaron.RenderOptions{
Directory: opts.TemplateDir,
IndentJSON: true,
}))
routes(m, info)
m.Run(opts.BindAddr, opts.Port)
}