/
root.go
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/
root.go
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// MIT License
// Copyright (c) 2019 Yuefeng Zhu
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package cmd
import (
homedir "github.com/mitchellh/go-homedir"
log "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
server "github.com/import-yuefeng/BGPParser/daemon"
"github.com/spf13/viper"
)
var (
// Used for flags.
cfgFile string
userLicense string
daemon bool
rootCmd = &cobra.Command{
Use: "bgpParser",
Short: "A parser for BGPData ",
Long: `bgpParser is a CLI tool for Go that parse bdpData.`,
Run: func(cmd *cobra.Command, args []string) {
if daemon {
daemonCli := &server.Daemon{}
daemonCli.Run()
}
},
}
)
// Execute executes the root command.
func Execute() error {
return rootCmd.Execute()
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.SuggestionsMinimumDistance = 1
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.bgpParser.json)")
rootCmd.PersistentFlags().StringP("author", "a", "Yuefeng Zhu", "Copyright (c) 2019 Yuefeng Zhu")
rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "MIT License")
rootCmd.PersistentFlags().Bool("viper", true, "use Viper for configuration")
rootCmd.PersistentFlags().BoolVar(&daemon, "daemon", false, "run BGPParser with daemon mode(default: client)")
viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author"))
viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper"))
viper.SetDefault("author", "Yuefeng Zhu <zhuyuefeng0@gmail.com>")
viper.SetDefault("license", "MIT License")
}
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := homedir.Dir()
if err != nil {
log.Fatal(err)
}
// Search config in home directory with name ".cobra" (without extension).
viper.AddConfigPath(home)
viper.SetConfigName(".cobra")
}
viper.AutomaticEnv()
if err := viper.ReadInConfig(); err == nil {
log.Info("Using config file:", viper.ConfigFileUsed())
}
}