/
root.go
73 lines (55 loc) · 1.77 KB
/
root.go
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package cmd
import (
"os"
"path"
"strings"
logging "github.com/ipfs/go-log/v2"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/kava-labs/kava-bridge/cmd/kava-relayer/cmd/network"
)
var (
appDir string
logLevel string
)
const (
defaultAppDirName = ".kava-relayer"
defaultConfigFile = "config"
defaultConfigType = "yaml"
)
func NewRootCmd() (*cobra.Command, error) {
cobra.OnInitialize(initConfig)
userHomeDir, err := os.UserHomeDir()
if err != nil {
return nil, err
}
defaultAppDir := path.Join(userHomeDir, defaultAppDirName)
rootCmd := &cobra.Command{
Use: "kava-relayer",
Short: "Kava-relayer relays funds between ethereum and kava",
Long: `The kava relayer processes ethereum and kava blocks to transfer ERC20 tokens between chains.`,
}
// TODO: allow configuration of config and data separately
rootCmd.PersistentFlags().StringVar(&appDir, "home", defaultAppDir, "Directory for config and data")
rootCmd.PersistentFlags().StringVar(&logLevel, "log_level", "info", "The logging level (trace|debug|info|warn|error|fatal|panic)")
rootCmd.AddCommand(newStartCmd())
rootCmd.AddCommand(network.GetNetworkCmd())
return rootCmd, nil
}
func initConfig() {
viper.AddConfigPath(appDir)
viper.SetConfigName(defaultConfigFile)
viper.SetConfigType(defaultConfigType)
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_", "-", "_"))
viper.AutomaticEnv()
if err := viper.ReadInConfig(); err != nil {
if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
cobra.CheckErr(err)
}
}
// Set the default log level to info, default level of go-log is debug
// TODO: Does not support log level per subsystem such as with `GOLOG_LOG_LEVEL`
logLevel, err := logging.LevelFromString(logLevel)
cobra.CheckErr(err)
logging.SetAllLoggers(logLevel)
}