/
root.go
72 lines (61 loc) · 1.8 KB
/
root.go
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package cmd
import (
"fmt"
"log"
"os"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var (
cfgFile string
Version string
Commit string
Date string
Debug bool
)
var rootCmd = &cobra.Command{
Use: "flagd",
Short: "flagd-proxy allows flagd to subscribe to CRD changes without the required permissions.",
Long: ``,
DisableAutoGenTag: true,
}
// 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(version string, commit string, date string) {
Version = version
Commit = commit
Date = date
err := rootCmd.Execute()
if err != nil {
log.Fatal(err)
}
}
func init() {
cobra.OnInitialize(initConfig)
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
rootCmd.PersistentFlags().BoolVarP(&Debug, "debug", "x", false, "verbose logging")
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.agent.yaml)")
rootCmd.AddCommand(startCmd)
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
// Find home directory.
home, err := os.UserHomeDir()
cobra.CheckErr(err)
// Search config in home directory with name ".agent" (without extension).
viper.AddConfigPath(home)
viper.SetConfigType("yaml")
viper.SetConfigName(".agent")
}
viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil {
fmt.Fprintln(os.Stderr, "using config file:", viper.ConfigFileUsed())
}
}