bbgo/pkg/cmd/root.go

263 lines
7.1 KiB
Go

package cmd
import (
"net/http"
"os"
"path"
"runtime/pprof"
"strings"
"time"
"github.com/heroku/rollrus"
"github.com/joho/godotenv"
rotatelogs "github.com/lestrrat-go/file-rotatelogs"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/rifflock/lfshook"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"git.qtrade.icu/lychiyu/bbgo/pkg/bbgo"
"git.qtrade.icu/lychiyu/bbgo/pkg/util"
_ "time/tzdata"
_ "github.com/go-sql-driver/mysql"
)
var cpuProfileFile *os.File
var userConfig *bbgo.Config
var RootCmd = &cobra.Command{
Use: "bbgo",
Short: "bbgo is a crypto trading bot",
// SilenceUsage is an option to silence usage when an error occurs.
SilenceUsage: true,
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
if err := cobraLoadDotenv(cmd, args); err != nil {
return err
}
if viper.GetBool("debug") {
log.Infof("debug mode is enabled")
log.SetLevel(log.DebugLevel)
}
env := bbgo.GetCurrentEnv()
logFormatter, err := cmd.Flags().GetString("log-formatter")
if err != nil {
return err
}
if len(logFormatter) == 0 {
formatter := bbgo.NewLogFormatterWithEnv(env)
log.SetFormatter(formatter)
} else {
formatter := bbgo.NewLogFormatter(bbgo.LogFormatterType(logFormatter))
log.SetFormatter(formatter)
}
if token := viper.GetString("rollbar-token"); token != "" {
log.Infof("found rollbar token %q, setting up rollbar hook...", util.MaskKey(token))
log.AddHook(rollrus.NewHook(
token,
env,
))
}
if viper.GetBool("metrics") {
http.Handle("/metrics", promhttp.Handler())
go func() {
port := viper.GetString("metrics-port")
log.Infof("starting metrics server at :%s", port)
err := http.ListenAndServe(":"+port, nil)
if err != nil {
log.WithError(err).Errorf("metrics server error")
}
}()
}
cpuProfile, err := cmd.Flags().GetString("cpu-profile")
if err != nil {
return err
}
if cpuProfile != "" {
log.Infof("starting cpu profiler, recording at %s", cpuProfile)
cpuProfileFile, err = os.Create(cpuProfile)
if err != nil {
return errors.Wrap(err, "can not create file for CPU profile")
}
if err := pprof.StartCPUProfile(cpuProfileFile); err != nil {
return errors.Wrap(err, "can not start CPU profile")
}
}
return cobraLoadConfig(cmd, args)
},
PersistentPostRunE: func(cmd *cobra.Command, args []string) error {
pprof.StopCPUProfile()
if cpuProfileFile != nil {
return cpuProfileFile.Close() // error handling omitted for example
}
return nil
},
RunE: func(cmd *cobra.Command, args []string) error {
return nil
},
}
func cobraLoadDotenv(cmd *cobra.Command, args []string) error {
disableDotEnv, err := cmd.Flags().GetBool("no-dotenv")
if err != nil {
return err
}
if !disableDotEnv {
dotenvFile, err := cmd.Flags().GetString("dotenv")
if err != nil {
return err
}
if _, err := os.Stat(dotenvFile); err == nil {
if err := godotenv.Load(dotenvFile); err != nil {
return errors.Wrap(err, "error loading dotenv file")
}
}
}
return nil
}
func cobraLoadConfig(cmd *cobra.Command, args []string) error {
configFile, err := cmd.Flags().GetString("config")
if err != nil {
return errors.Wrapf(err, "failed to get the config flag")
}
// load config file nicely
if len(configFile) > 0 {
// if config file exists, use the config loaded from the config file.
// otherwise, use an empty config object
if _, err := os.Stat(configFile); err == nil {
// load successfully
userConfig, err = bbgo.Load(configFile, false)
if err != nil {
return errors.Wrapf(err, "can not load config file: %s", configFile)
}
} else if os.IsNotExist(err) {
// config file doesn't exist, we should use the empty config
userConfig = &bbgo.Config{}
} else {
// other error
return errors.Wrapf(err, "config file load error: %s", configFile)
}
}
return nil
}
func init() {
RootCmd.PersistentFlags().Bool("debug", false, "debug mode")
RootCmd.PersistentFlags().Bool("metrics", false, "enable prometheus metrics")
RootCmd.PersistentFlags().String("metrics-port", "9090", "prometheus http server port")
RootCmd.PersistentFlags().Bool("no-dotenv", false, "disable built-in dotenv")
RootCmd.PersistentFlags().String("dotenv", ".env.local", "the dotenv file you want to load")
RootCmd.PersistentFlags().String("config", "bbgo.yaml", "config file")
RootCmd.PersistentFlags().String("log-formatter", "", "configure log formatter")
RootCmd.PersistentFlags().String("rollbar-token", "", "rollbar token")
// A flag can be 'persistent' meaning that this flag will be available to
// the command it's assigned to as well as every command under that command.
// For global flags, assign a flag as a persistent flag on the root.
RootCmd.PersistentFlags().String("slack-token", "", "slack token")
RootCmd.PersistentFlags().String("slack-channel", "dev-bbgo", "slack trading channel")
RootCmd.PersistentFlags().String("slack-error-channel", "bbgo-error", "slack error channel")
RootCmd.PersistentFlags().String("telegram-bot-token", "", "telegram bot token from bot father")
RootCmd.PersistentFlags().String("telegram-bot-auth-token", "", "telegram auth token")
RootCmd.PersistentFlags().String("binance-api-key", "", "binance api key")
RootCmd.PersistentFlags().String("binance-api-secret", "", "binance api secret")
RootCmd.PersistentFlags().String("max-api-key", "", "max api key")
RootCmd.PersistentFlags().String("max-api-secret", "", "max api secret")
RootCmd.PersistentFlags().String("cpu-profile", "", "cpu profile")
viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
// Enable environment variable binding, the env vars are not overloaded yet.
viper.AutomaticEnv()
// setup the config paths for looking up the config file
/*
viper.AddConfigPath("config")
viper.AddConfigPath("$HOME/.bbgo")
viper.AddConfigPath("/etc/bbgo")
// set the config file name and format for loading the config file.
viper.SetConfigName("bbgo")
viper.SetConfigType("yaml")
err := viper.ReadInConfig()
if err != nil {
log.WithError(err).Fatal("failed to load config file")
}
*/
// Once the flags are defined, we can bind config keys with flags.
if err := viper.BindPFlags(RootCmd.PersistentFlags()); err != nil {
log.WithError(err).Errorf("failed to bind persistent flags. please check the flag settings.")
return
}
environment := os.Getenv("BBGO_ENV")
logDir := "log"
switch environment {
case "production", "prod":
if err := os.MkdirAll(logDir, 0777); err != nil {
log.Panic(err)
}
writer, err := rotatelogs.New(
path.Join(logDir, "access_log.%Y%m%d"),
rotatelogs.WithLinkName("access_log"),
// rotatelogs.WithMaxAge(24 * time.Hour),
rotatelogs.WithRotationTime(time.Duration(24)*time.Hour),
)
if err != nil {
log.Panic(err)
}
log.AddHook(
lfshook.NewHook(
lfshook.WriterMap{
log.DebugLevel: writer,
log.InfoLevel: writer,
log.WarnLevel: writer,
log.ErrorLevel: writer,
log.FatalLevel: writer,
}, &log.JSONFormatter{}),
)
}
}
func Execute() {
if err := RootCmd.Execute(); err != nil {
log.WithError(err).Fatalf("cannot execute command")
}
}