add basic command framework and apiserver

cmd/version.go

@@ -0,0 +1,21 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/gostor/gotgt/pkg/api/client"
+	"github.com/gostor/gotgt/pkg/version"
+	"github.com/spf13/cobra"
+)
+
+func newVersionCommand(cli *client.Client) *cobra.Command {
+	var cmd = &cobra.Command{
+		Use:   "version",
+		Short: "Print the version number of gotgt",
+		Long:  `All software has versions. This is Gotgt 's`,
+		Run: func(cmd *cobra.Command, args []string) {
+			fmt.Printf("Gotgt %s -- HEAD\n", version.VERSION)
+		},
+	}
+	return cmd
+}