reservre meomory for tempalte struct

internal/pkg/overlay/overlay.go

@@ -87,6 +87,8 @@ Build overlay for the host, so no argument needs to be given
 */
 func BuildHostOverlay() error {
 	var host node.NodeInfo
+	host.Kernel = new(node.KernelEntry)
+	host.Ipmi = new(node.IpmiEntry)
 	var idEntry node.Entry
 	hostname, _ := os.Hostname()
 	wwlog.Printf(wwlog.INFO, "Building overlay for %s: host\n", hostname)
@@ -220,6 +222,8 @@ func BuildOverlayIndir(nodeInfo node.NodeInfo, overlayNames []string, outputDir
 	}
 	wwlog.Printf(wwlog.VERBOSE, "Processing node/overlay: %s/%s\n", nodeInfo.Id.Get(), strings.Join(overlayNames, "-"))
 	var tstruct TemplateStruct
+	tstruct.Kernel = new(node.KernelConf)
+	tstruct.Ipmi = new(node.IpmiConf)
 	tstruct.Id = nodeInfo.Id.Get()
 	tstruct.Hostname = nodeInfo.Id.Get()
 	tstruct.Id = nodeInfo.Id.Get()

overlays/wwinit/etc/issue.ww

@@ -1,7 +1,7 @@
 Warewulf Node:      {{.Id}}
 Container:          {{.Container}}
-Kernel:             {{.KernelVersion}}
-Kernelargs:         {{.KernelArgs}}
+Kernel:             {{.Kernel.Version}}
+Kernelargs:         {{.Kernel.Args}}
 
 Network:
 {{- range $devname, $netdev := .NetDevs}}

overlays/wwinit/warewulf/config.ww

@@ -2,9 +2,9 @@ WWCONTAINER={{$.Container}}
 WWHOSTNAME={{$.Id}}
 WWROOT={{$.Root}}
 WWINIT={{$.Init}}
-WWIPMI_IPADDR="{{$.IpmiIpaddr}}"
-WWIPMI_NETMASK="{{$.IpmiNetmask}}"
-WWIPMI_GATEWAY="{{$.IpmiGateway}}"
-WWIPMI_USER="{{$.IpmiUserName}}"
-WWIPMI_PASSWORD="{{$.IpmiPassword}}"
-WWIPMI_WRITE="{{$.IpmiWrite}}"
+WWIPMI_IPADDR="{{$.Ipmi.Ipaddr}}"
+WWIPMI_NETMASK="{{$.Ipmi.Netmask}}"
+WWIPMI_GATEWAY="{{$.Ipmi.Gateway}}"
+WWIPMI_USER="{{$.Ipmi.UserName}}"
+WWIPMI_PASSWORD="{{$.Ipmi.Password}}"
+WWIPMI_WRITE="{{$.Ipmi.Write}}"