added overlay for NetworkManager

overlays/wwinit/etc/NetworkManager/system-connections/ww4-managed.ww

@@ -0,0 +1,43 @@
+{{- $host := .BuildHost }}
+{{- $time := .BuildTime }}
+{{- $source := .BuildSource }}
+{{- range $devname, $netdev := .NetDevs }}
+{{- $filename := print "warewulf-" $devname  ".conf" }}
+{{- file $filename }}
+# This file is autogenerated by warewulf
+# Host:   {{ $host }}
+# Time:   {{ $time }}
+# Source: {{ $source }}
+[connection]
+id={{ $devname }}
+interface-name={{ $netdev.Device }}
+{{ if $netdev.Type -}}
+type={{ $netdev.Type }}
+{{ end -}}
+autoconnect=true
+
+{{ if $netdev.Hwaddr -}}
+{{ if eq $netdev.Type "ethernet" -}}
+[ethernet]
+mac-address={{ $netdev.Hwaddr }}
+{{ end -}}
+{{ end -}}
+
+{{ if $netdev.IpCIDR -}}
+[ipv4]
+address={{ $netdev.IpCIDR }}
+{{ if $netdev.Gateway -}}
+gateway={{ $netdev.Gateway }}
+{{ end -}}
+method=manual
+{{ end -}}
+
+{{/* always autoconfigure ipv6 */}}
+[ipv6]
+addr-gen-mode=stable-privacy
+method=ignore
+never-default=true
+{{ if $netdev.Ipaddr6 -}}
+ipaddr="{{ $netdev.Ipaddr6 }}"
+{{ end -}}
+{{ end -}}