kubeshark/cmd/config.go

package cmd

import (
	"fmt"

	"github.com/creasty/defaults"
	"github.com/kubeshark/kubeshark/config"
	"github.com/kubeshark/kubeshark/config/configStructs"
	"github.com/kubeshark/kubeshark/misc"
	"github.com/kubeshark/kubeshark/utils"
	"github.com/rs/zerolog/log"
	"github.com/spf13/cobra"
)

var configCmd = &cobra.Command{
	Use:   "config",
	Short: fmt.Sprintf("Generate %s config with default values", misc.Software),
	RunE: func(cmd *cobra.Command, args []string) error {
		configWithDefaults, err := config.GetConfigWithDefaults()
		if err != nil {
			log.Error().Err(err).Msg("Failed generating config with defaults.")
			return nil
		}

		if config.Config.Config.Regenerate {
			if err := config.WriteConfig(configWithDefaults); err != nil {
				log.Error().Err(err).Msg("Failed generating config with defaults.")
				return nil
			}

			log.Info().Str("config-path", config.Config.ConfigFilePath).Msg("Template file written to config path.")
		} else {
			template, err := utils.PrettyYaml(configWithDefaults)
			if err != nil {
				log.Error().Err(err).Msg("Failed converting config with defaults to YAML.")
				return nil
			}

			log.Debug().Str("template", template).Msg("Printing template config...")
			fmt.Printf("%v", template)
		}

		return nil
	},
}

func init() {
	rootCmd.AddCommand(configCmd)

	defaultConfig := config.CreateDefaultConfig()
	if err := defaults.Set(&defaultConfig); err != nil {
		log.Debug().Err(err).Send()
	}

	configCmd.Flags().BoolP(configStructs.RegenerateConfigName, "r", defaultConfig.Config.Regenerate, fmt.Sprintf("Regenerate the config file with default values to path %s or to chosen path using --%s", defaultConfig.ConfigFilePath, config.ConfigFilePathCommandName))
}