adding config command (#244)

* adding config command

* PR comment

* fix typo

cmd/kubehound/config.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/DataDog/KubeHound/pkg/cmd"
+	"github.com/DataDog/KubeHound/pkg/telemetry/log"
+	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v2"
+)
+
+var (
+	configPath string
+)
+
+var (
+	configCmd = &cobra.Command{
+		Use:   "config",
+		Short: "Show the current configuration",
+		Long:  `[devOnly] Show the current configuration`,
+		PreRunE: func(cobraCmd *cobra.Command, args []string) error {
+			return cmd.InitializeKubehoundConfig(cobraCmd.Context(), "", true, true)
+		},
+		RunE: func(cobraCmd *cobra.Command, args []string) error {
+			// Adding datadog setup
+			khCfg, err := cmd.GetConfig()
+			if err != nil {
+				return fmt.Errorf("get config: %w", err)
+			}
+
+			yamlData, err := yaml.Marshal(&khCfg)
+
+			if err != nil {
+				return fmt.Errorf("marshaling khCfg: %w", err)
+			}
+
+			if configPath != "" {
+				f, err := os.Create(configPath)
+				if err != nil {
+					return fmt.Errorf("creating file: %w", err)
+				}
+
+				_, err = f.Write(yamlData)
+				if err != nil {
+					return fmt.Errorf("writing to file: %w", err)
+				}
+
+				log.I.Infof("Configuration saved to %s\n", configPath)
+
+				return nil
+			}
+
+			fmt.Println("---")            //nolint:forbidigo
+			fmt.Println(string(yamlData)) //nolint:forbidigo
+
+			return nil
+		},
+	}
+)
+
+func init() {
+	configCmd.Flags().StringVar(&configPath, "path", "", "path to dump current KubeHound configuration")
+
+	rootCmd.AddCommand(configCmd)
+}