IPv6: wwclient support

Signed-off-by: Timothy Middelkoop <tmiddelkoop@internet2.edu>

CHANGELOG.md

@@ -28,6 +28,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
   - Set `addr-gen-mode=eui64`
 - Set dnsmasq to listen to the Warewulf interface to prevent to binding to localhost:53
 - Added Ipv6 support to `/etc/hosts` on host and nodes.
+- Added IPv6 support to wwclient
 
 ### Removed
 

internal/app/wwclient/root.go

@@ -225,8 +225,12 @@ func CobraRunE(cmd *cobra.Command, args []string) (err error) {
 	var finishedInitialSync bool = false
 	ipaddr := os.Getenv("WW_IPADDR")
 	if ipaddr == "" {
+		if conf.Ipaddr6 != "" {
+			ipaddr = conf.Ipaddr6
+		} else {
 			ipaddr = conf.Ipaddr
 		}
+	}
 
 	for {
 		updateSystem(target, ipaddr, conf.Warewulf.Port, wwid, tag, localUUID)