go.mondoo.com/cnquery@v0.0.0-20231005093811-59568235f6ea/providers-sdk/v1/lr/cli/cmd/root.go (about)

     1  // copyright: 2019, Dominik Richter and Christoph Hartmann
     2  // author: Dominik Richter
     3  // author: Christoph Hartmann
     4  
     5  package cmd
     6  
     7  import (
     8  	"fmt"
     9  	"os"
    10  
    11  	homedir "github.com/mitchellh/go-homedir"
    12  	"github.com/spf13/cobra"
    13  	"github.com/spf13/viper"
    14  )
    15  
    16  var cfgFile string
    17  
    18  // rootCmd represents the base command when called without any subcommands
    19  var rootCmd = &cobra.Command{
    20  	Use:   "cli",
    21  	Short: "lr",
    22  	Long:  `MQL Resources`,
    23  	// Uncomment the following line if your bare application
    24  	// has an action associated with it:
    25  	//	Run: func(cmd *cobra.Command, args []string) { },
    26  }
    27  
    28  // Execute adds all child commands to the root command and sets flags appropriately.
    29  // This is called by main.main(). It only needs to happen once to the rootCmd.
    30  func Execute() {
    31  	if err := rootCmd.Execute(); err != nil {
    32  		fmt.Println(err)
    33  		os.Exit(1)
    34  	}
    35  }
    36  
    37  func init() {
    38  	cobra.OnInitialize(initConfig)
    39  
    40  	// Here you will define your flags and configuration settings.
    41  	// Cobra supports persistent flags, which, if defined here,
    42  	// will be global for your application.
    43  	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "Set config file path (default $HOME/.lr.yaml)")
    44  }
    45  
    46  // initConfig reads in config file and ENV variables if set.
    47  func initConfig() {
    48  	if cfgFile != "" {
    49  		// Use config file from the flag.
    50  		viper.SetConfigFile(cfgFile)
    51  	} else {
    52  		// Find home directory.
    53  		home, err := homedir.Dir()
    54  		if err != nil {
    55  			fmt.Println(err)
    56  			os.Exit(1)
    57  		}
    58  
    59  		// Search config in home directory with name ".cli" (without extension).
    60  		viper.AddConfigPath(home)
    61  		viper.SetConfigName(".lr")
    62  	}
    63  
    64  	viper.AutomaticEnv() // read in environment variables that match
    65  
    66  	// If a config file is found, read it in.
    67  	if err := viper.ReadInConfig(); err == nil {
    68  		fmt.Println("Using config file:", viper.ConfigFileUsed())
    69  	}
    70  }