Added project files

cmd/root.go

@@ -0,0 +1,54 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	configurator "github.com/OpenCHAMI/configurator/internal"
+	"github.com/OpenCHAMI/configurator/internal/util"
+	"github.com/spf13/cobra"
+)
+
+var (
+	configPath string
+	config     *configurator.Config
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "configurator",
+	Short: "Tool for building common config files",
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) == 0 {
+			cmd.Help()
+			os.Exit(0)
+		}
+	},
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+	rootCmd.PersistentFlags().StringVar(&configPath, "config", "", "set the config path")
+}
+
+func initConfig() {
+	if configPath != "" {
+		exists, err := util.PathExists(configPath)
+		if err != nil {
+			fmt.Printf("failed to load config")
+			os.Exit(1)
+		} else if exists {
+			config = configurator.LoadConfig(configPath)
+		} else {
+			config = configurator.NewConfig()
+		}
+	} else {
+		config = configurator.NewConfig()
+	}
+}