create fstab from resource

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

overlays/fstab/internal/fstab_test.go

@@ -63,6 +63,6 @@ proc /proc proc defaults 0 0
 # all with noauto as mounts happens with systemd units
 /dev/disk/by-partlabel/scratch /scratch btrfs noauto,defaults 0 0
 /dev/disk/by-partlabel/swap swap swap noauto,defaults 0 0
-# nfs mounts provided in warewulf.conf
+# Resource: NFSHOME
 192.168.0.1:/home /home nfs defaults 0 0
 `

overlays/fstab/internal/nodes.conf

@@ -1,5 +1,7 @@
 nodes:
   node1:
+    resource_list:
+      - NFSHOME
     disks:
       /dev/vda:
         wipe_table: true
@@ -17,3 +19,10 @@ nodes:
       /dev/disk/by-partlabel/swap:
         format: swap
         path: swap
+resource:
+  NFSHOME:
+    mountpoint: /home
+    moptions: defaults
+    eoptions: rw,rootsquash
+    epath: /home
+    server: controller

overlays/fstab/rootfs/etc/fstab.ww

@@ -12,12 +12,11 @@ proc /proc proc defaults 0 0
 {{- if $fs.MountOptions }} noauto{{range $index,$opt := $fs.MountOptions }},{{ $opt }}{{ end }} 0 0
 {{- else }} noauto,defaults 0 0
 {{- end }}{{ end }}{{ end }}
-{{- $IP:=.Ipaddr }}
-{{- if .Nfs.Enabled }}
-# nfs mounts provided in warewulf.conf
-{{- range .Nfs.ExportsExtended }}
-{{- if .Mount }}
-{{ $IP }}:{{ .Path }} {{ .Path }} nfs {{ .MountOptions }} 0 0
-{{- end }}
-{{- end }}
+{{- $Resource := .Resource }}{{ $server := .Ipaddr}}{{/* export the needed values */}}
+{{- range $i,$ResName := .ResourceList }}
+{{- if eq (substr 0 3 $ResName) "NFS" }}{{ $nfs := (index $Resource $ResName)}}
+# Resource: {{ $ResName }}
+{{- if not (eq $nfs.server "controller") }}{{ $server = $nfs.server }}{{ end }}
+{{ $server }}:{{ $nfs.epath}} {{ $nfs.mountpoint }} nfs {{ $nfs.moptions }} 0 0
 {{- end }}
+{{- end }}