gost/cmd/gost/main.go

142 lines
2.7 KiB
Go

package main
import (
"flag"
"fmt"
"net/http"
_ "net/http/pprof"
"os"
"runtime"
"github.com/go-gost/config"
"github.com/go-gost/gost/v3/pkg/logger"
"github.com/go-gost/metrics"
)
var (
log = logger.Default()
cfgFile string
outputFormat string
services stringList
nodes stringList
debug bool
apiAddr string
metricsAddr string
)
func init() {
var printVersion bool
flag.Var(&services, "L", "service list")
flag.Var(&nodes, "F", "chain node list")
flag.StringVar(&cfgFile, "C", "", "configure file")
flag.BoolVar(&printVersion, "V", false, "print version")
flag.StringVar(&outputFormat, "O", "", "output format, one of yaml|json format")
flag.BoolVar(&debug, "D", false, "debug mode")
flag.StringVar(&apiAddr, "api", "", "api service address")
flag.StringVar(&metricsAddr, "metrics", "", "metrics service address")
flag.Parse()
if printVersion {
fmt.Fprintf(os.Stdout, "gost %s (%s %s/%s)\n",
version, runtime.Version(), runtime.GOOS, runtime.GOARCH)
os.Exit(0)
}
}
func main() {
cfg := &config.Config{}
var err error
if len(services) > 0 || apiAddr != "" {
cfg, err = buildConfigFromCmd(services, nodes)
if debug && cfg != nil {
if cfg.Log == nil {
cfg.Log = &config.LogConfig{}
}
cfg.Log.Level = string(logger.DebugLevel)
}
if apiAddr != "" {
cfg.API = &config.APIConfig{
Addr: apiAddr,
}
}
if metricsAddr != "" {
cfg.Metrics = &config.MetricsConfig{
Enable: true,
Addr: metricsAddr,
}
}
} else {
if cfgFile != "" {
err = cfg.ReadFile(cfgFile)
} else {
err = cfg.Load()
}
}
if err != nil {
log.Fatal(err)
}
log = logFromConfig(cfg.Log)
logger.SetDefault(log)
if outputFormat != "" {
if err := cfg.Write(os.Stdout, outputFormat); err != nil {
log.Fatal(err)
}
os.Exit(0)
}
if cfg.Profiling != nil && cfg.Profiling.Enable {
go func() {
addr := cfg.Profiling.Addr
if addr == "" {
addr = ":6060"
}
log.Info("profiling server on ", addr)
log.Fatal(http.ListenAndServe(addr, nil))
}()
}
if cfg.API != nil {
s, err := buildAPIService(cfg.API)
if err != nil {
log.Fatal(err)
}
defer s.Close()
go func() {
log.Info("api service on ", s.Addr())
log.Fatal(s.Serve())
}()
}
if cfg.Metrics != nil && cfg.Metrics.Enable {
metrics.SetGlobal(metrics.NewMetrics())
if cfg.Metrics.Addr != "" {
s, err := buildMetricsService(cfg.Metrics)
if err != nil {
log.Fatal(err)
}
go func() {
defer s.Close()
log.Info("metrics service on ", s.Addr())
log.Fatal(s.Serve())
}()
}
}
buildDefaultTLSConfig(cfg.TLS)
services := buildService(cfg)
for _, svc := range services {
go svc.Serve()
}
config.SetGlobal(cfg)
select {}
}