Restored deleted kernel components for overrides

internal/app/wwctl/profile/set/root.go

@@ -4,6 +4,7 @@ import (
 	"log"
 
 	"github.com/hpcng/warewulf/internal/pkg/container"
+	"github.com/hpcng/warewulf/internal/pkg/kernel"
 	"github.com/hpcng/warewulf/internal/pkg/node"
 	"github.com/hpcng/warewulf/internal/pkg/overlay"
 	"github.com/spf13/cobra"
@@ -36,6 +37,7 @@ var (
 	SetForce          bool
 	SetComment        string
 	SetContainer      string
+	SetKernel         string
 	SetKernelArgs     string
 	SetClusterName    string
 	SetIpxe           string
@@ -77,6 +79,13 @@ func init() {
 	}); err != nil {
 		log.Println(err)
 	}
+	baseCmd.PersistentFlags().StringVarP(&SetKernel, "kernel", "K", "", "Set Kernel version for nodes")
+	if err := baseCmd.RegisterFlagCompletionFunc("kernel", func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		list, _ := kernel.ListKernels()
+		return list, cobra.ShellCompDirectiveNoFileComp
+	}); err != nil {
+		log.Println(err)
+	}
 	baseCmd.PersistentFlags().StringVarP(&SetKernelArgs, "kernelargs", "A", "", "Set Kernel argument for nodes")
 	baseCmd.PersistentFlags().StringVarP(&SetClusterName, "cluster", "c", "", "Set the node's cluster group")
 	baseCmd.PersistentFlags().StringVarP(&SetIpxe, "ipxe", "P", "", "Set the node's iPXE template name")