use list of resources in profiles/nodes

access the resource not at node or profile level but
in the templates as global variable

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

internal/pkg/overlay/datastructure.go

@@ -37,6 +37,7 @@ type TemplateStruct struct {
 	Tftp          warewulfconf.TFTPConf
 	Paths         warewulfconf.BuildConfig
 	AllNodes      []node.Node
+	Resource      map[string]node.RemoteRes
 	node.Node
 	// backward compatiblity
 	Container string
@@ -80,7 +81,8 @@ func InitStruct(overlayName string, nodeData node.Node, allNodes []node.Node) (T
 	dt := time.Now()
 	tstruct.BuildTime = dt.Format("01-02-2006 15:04:05 MST")
 	tstruct.BuildTimeUnix = strconv.FormatInt(dt.Unix(), 10)
-	tstruct.Node.Tags = map[string]string{}
+	// tstruct.Node.Tags = map[string]string{}
+	tstruct.Resource = nodeDB.Resource
 	var buf bytes.Buffer
 	enc := gob.NewEncoder(&buf)
 	dec := gob.NewDecoder(&buf)