added warewulfconf as command line parameter

the environment variable WAREWULFCONF is also recognized

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

internal/pkg/api/node/node.go

@@ -290,11 +290,7 @@ func NodeStatus(nodeNames []string) (nodeStatusResponse *wwapiv1.NodeStatusRespo
 		Nodes map[string]*nodeStatusInternal `json:"nodes"`
 	}
 
-	controller, err := warewulfconf.New()
-	if err != nil {
-		wwlog.Error("%s", err)
-		return
-	}
+	controller := warewulfconf.New()
 
 	if controller.Ipaddr == "" {
 		err = fmt.Errorf("the Warewulf Server IP Address is not properly configured")