make ipxe binary source configureable

internal/pkg/buildconfig/defaults.go

@@ -27,7 +27,7 @@ func BINDIR() string {
 }
 
 func DATADIR() string {
-	wwlog.Debug("DATADIR = '%s'", bindir)
+	wwlog.Debug("DATADIR = '%s'", datadir)
 	return datadir
 }
 

internal/pkg/configure/tftp.go

@@ -11,9 +11,8 @@ import (
 	"github.com/hpcng/warewulf/internal/pkg/wwlog"
 )
 
-var tftpdir string = path.Join(buildconfig.TFTPDIR(), "warewulf")
-
 func TFTP() error {
+	var tftpdir string = path.Join(buildconfig.TFTPDIR(), "warewulf")
 	controller, err := warewulfconf.New()
 	if err != nil {
 		wwlog.Error("%s", err)
@@ -27,11 +26,15 @@ func TFTP() error {
 	}
 
 	fmt.Printf("Writing PXE files to: %s\n", tftpdir)
-	for _, f := range [4]string{"x86_64.efi", "x86_64.kpxe", "arm64.efi"} {
-		err = util.SafeCopyFile(path.Join(buildconfig.DATADIR(), "warewulf", "ipxe", f), path.Join(tftpdir, f))
+	copyCheck := make(map[string]bool)
+	for _, f := range controller.Tftp.IpxeBinaries {
+		if copyCheck[f] {
+			continue
+		}
+		copyCheck[f] = true
+		err = util.SafeCopyFile(path.Join(buildconfig.DATADIR(), f), path.Join(tftpdir, f))
 		if err != nil {
-			wwlog.Error("%s", err)
-			return err
+			wwlog.Warn("ipxe binary could not be copied, not booting may not work: %s", err)
 		}
 	}
 
@@ -39,7 +42,7 @@ func TFTP() error {
 		wwlog.Info("Warewulf does not auto start TFTP services due to disable by warewulf.conf")
 		os.Exit(0)
 	}
-	
+
 	fmt.Printf("Enabling and restarting the TFTP services\n")
 	err = util.SystemdStart(controller.Tftp.SystemdName)
 	if err != nil {

internal/pkg/overlay/datastructure.go

@@ -31,6 +31,7 @@ type TemplateStruct struct {
 	Dhcp          warewulfconf.DhcpConf
 	Nfs           warewulfconf.NfsConf
 	Warewulf      warewulfconf.WarewulfConf
+	Tftp          warewulfconf.TftpConf
 	AllNodes      []node.NodeInfo
 	node.NodeConf
 	// backward compatiblity
@@ -64,6 +65,7 @@ func InitStruct(nodeInfo node.NodeInfo) TemplateStruct {
 	tstruct.AllNodes = allNodes
 	tstruct.Nfs = *controller.Nfs
 	tstruct.Dhcp = *controller.Dhcp
+	tstruct.Tftp = *controller.Tftp
 	tstruct.Warewulf = *controller.Warewulf
 	tstruct.Ipaddr = controller.Ipaddr
 	tstruct.Ipaddr6 = controller.Ipaddr6

internal/pkg/warewulfconf/constructors.go

@@ -36,8 +36,14 @@ func New() (ControllerConf, error) {
 	ret.Tftp = &tftpconf
 	ret.Nfs = &nfsConf
 	err := defaults.Set(&ret)
+	// ipxe binaries are merged not overwritten, store defaults separate
+	defIpxe := make(map[string]string)
+	for k, v := range ret.Tftp.IpxeBinaries {
+		defIpxe[k] = v
+		delete(ret.Tftp.IpxeBinaries, k)
+	}
 	if err != nil {
-		wwlog.Error("Coult initialize default variables")
+		wwlog.Error("Could initialize default variables")
 		return ret, err
 	}
 	// Check if cached config is old before re-reading config file
@@ -53,7 +59,9 @@ func New() (ControllerConf, error) {
 		if err != nil {
 			return ret, err
 		}
-
+		if len(ret.Tftp.IpxeBinaries) == 0 {
+			ret.Tftp.IpxeBinaries = defIpxe
+		}
 		if ret.Ipaddr == "" || ret.Netmask == "" {
 			conn, error := net.Dial("udp", "8.8.8.8:80")
 			if error != nil {

internal/pkg/warewulfconf/datastructure.go

@@ -44,6 +44,8 @@ type TftpConf struct {
 	Enabled     bool   `yaml:"enabled" default:"true"`
 	TftpRoot    string `yaml:"tftproot" default:"/var/lib/tftpboot"`
 	SystemdName string `yaml:"systemd name" default:"tftp"`
+	// Path is relative to buildconfig.DATADIR()
+	IpxeBinaries map[string]string `yaml:"ipxe" default:"{\"00:09\": \"x86_64.efi\",\"00:00\": \"x86_64.kpxe\",\"00:0B\": \"arm64.efi\",\"00:07\":  \"x86_64.efi\"}"`
 }
 
 type NfsConf struct {

overlays/host/etc/dhcp/dhcpd.conf.ww

@@ -20,15 +20,11 @@ option architecture-type   code 93  = unsigned integer 16;
 if exists user-class and option user-class = "iPXE" {
     filename "http://{{$.Ipaddr}}:{{$.Warewulf.Port}}/ipxe/${mac:hexhyp}";
 } else {
-    if option architecture-type = 00:0B {
-        filename "/warewulf/arm64.efi";
-    } elsif option architecture-type = 00:09 {
-        filename "/warewulf/x86_64.efi";
-    } elsif option architecture-type = 00:07 {
-        filename "/warewulf/x86_64.efi";
-    } elsif option architecture-type = 00:00 {
-        filename "/warewulf/x86_64.kpxe";
-    }
+{{range $type,$name := $.Tftp.IpxeBinaries }}
+    if option architecture-type = {{ $type }} {
+        filename "/warewulf/{{ $name }}";
+    } 
+{{ end }}
 }
 
 {{if eq .Dhcp.Template "static" -}}