/
root.go
55 lines (44 loc) · 1.13 KB
/
root.go
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package cmd
import (
"fmt"
"os"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
var cfgFile string
var rootCmd = &cobra.Command{
Use: "health-check",
Short: "Reports on the overall health of a kubernetes cluster.",
Long: `Runs checks and reports on the overall health of a kubernetes cluster.`,
}
func Execute() {
if err := rootCmd.Execute(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func init() {
cobra.OnInitialize(initConfig)
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.config/health-check/health-check.yaml)")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
if cfgFile != "" {
viper.SetConfigFile(cfgFile)
} else {
home, err := homedir.Dir()
if err != nil {
fmt.Println(err)
os.Exit(1)
}
viper.AddConfigPath(home)
viper.SetConfigName("health-check")
viper.AddConfigPath("$HOME/.config/health-check")
viper.AddConfigPath("$HOME")
}
viper.AutomaticEnv()
if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed())
}
}