/
root.go
67 lines (58 loc) · 1.44 KB
/
root.go
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package cmd
import (
"fmt"
"io/ioutil"
"os"
"path"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/viper"
)
var (
cfgFile string
config *Config
)
var rootCmd = &cobra.Command{
Use: "horcrux",
Short: "A tendermint remote signer with both single signer and threshold signer modes",
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
handleInitError(rootCmd.Execute())
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.horcrux/config.yaml)")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
cfg := Config{}
if cfgFile != "" {
viper.SetConfigFile(cfgFile)
} else {
home, err := homedir.Dir()
handleInitError(err)
viper.AddConfigPath(path.Join(home, ".horcrux"))
viper.SetConfigName("config")
}
viper.SetEnvPrefix("horcrux")
viper.AutomaticEnv()
err := viper.ReadInConfig()
if err != nil {
fmt.Println("no config exists at default location", err)
return
}
handleInitError(viper.Unmarshal(&cfg))
bz, err := ioutil.ReadFile(viper.ConfigFileUsed())
handleInitError(err)
handleInitError(yaml.Unmarshal(bz, &cfg))
config = &cfg
}
func handleInitError(err error) {
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}