Building set commands for nodes and groups and templating out CLI further

internal/app/wwctl/group/add/main.go

@@ -0,0 +1,22 @@
+package add
+
+import (
+	"github.com/hpcng/warewulf/internal/pkg/node"
+	"github.com/hpcng/warewulf/internal/pkg/wwlog"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+func CobraRunE(cmd *cobra.Command, args []string) error {
+	nodeDB, err := node.New()
+	if err != nil {
+		wwlog.Printf(wwlog.ERROR, "Failed opening node database: %s\n", err)
+		os.Exit(1)
+	}
+
+	nodeDB.AddGroup(args[0])
+	nodeDB.Persist()
+
+	return nil
+}
+

internal/app/wwctl/group/add/root.go

@@ -0,0 +1,25 @@
+package add
+
+import "github.com/spf13/cobra"
+
+var (
+	baseCmd = &cobra.Command{
+		Use:                "add",
+		Short:              "Add a new node group",
+		Long:               "Add a new node group ",
+		RunE:				CobraRunE,
+	}
+	SetVnfs string
+	SetKernel string
+	//	SetGroupLevel bool
+)
+
+func init() {
+	baseCmd.PersistentFlags().StringVarP(&SetVnfs, "vnfs", "V", "", "Set node Virtual Node File System (VNFS)")
+	baseCmd.PersistentFlags().StringVarP(&SetKernel, "kernel", "K", "", "Set Kernel version for nodes")
+}
+
+// GetRootCommand returns the root cobra.Command for the application.
+func GetCommand() *cobra.Command {
+	return baseCmd
+}