Recursive handling for command line flags

Every struct in a NodeConf with `lopt:"foo" set is now added as a
command-line flag with the RecursiveCreateFlags call. For maps a struct
with the key UNDEF is added so that it can be parsed out.

As the flags for the command-line need variables which hold the values,
for every map an element map[UNDEF] is added.  When now calling the
internal add, these map element can be filtered out and replace by the
given name. (e.g., --netname)

* rewrote node/profile add for recursive functions
* rewrote node/profile set for recursive functions
* rewrote node/profile list for recursive functions

Signed-off-by: Christian Goll <cgoll@suse.com>

internal/app/wwctl/node/list/root.go

@@ -6,10 +6,11 @@ import (
 )
 
 type variables struct {
-	showNet  bool
-	showIpmi bool
-	showAll  bool
-	showLong bool
+	showNet     bool
+	showIpmi    bool
+	showAll     bool
+	showLong    bool
+	showFullAll bool
 }
 
 func GetCommand() *cobra.Command {
@@ -39,6 +40,7 @@ func GetCommand() *cobra.Command {
 	baseCmd.PersistentFlags().BoolVarP(&vars.showNet, "net", "n", false, "Show node network configurations")
 	baseCmd.PersistentFlags().BoolVarP(&vars.showIpmi, "ipmi", "i", false, "Show node IPMI configurations")
 	baseCmd.PersistentFlags().BoolVarP(&vars.showAll, "all", "a", false, "Show all node configurations")
+	baseCmd.PersistentFlags().BoolVarP(&vars.showFullAll, "fullall", "A", false, "Show all node configurations inclusive empty entries")
 	baseCmd.PersistentFlags().BoolVarP(&vars.showLong, "long", "l", false, "Show long or wide format")
 
 	return baseCmd