Recommended changes from review of #1568

- Make Resources an `interface{}` to support arbitrary yaml
- Remove `wwctl resource` as incompatible with arbitrary yaml
- Revert changes to host overlay templates
- Remove NFS mount options from warewulf.conf
- Replace NFS support / resource prefix with "fstab" resource
- Move resources to profiles
- Migrate warewulf.conf mounts to nodes.conf with `wwctl upgrade`
- Add documentation

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

overlays/host/internal/host_test.go

@@ -58,7 +58,7 @@ func Test_hostOverlay(t *testing.T) {
 			conf:   "",
 			args:   []string{"--render", "host", "host", "etc/exports.ww"},
 			log:    host_exports,
-			header: "# Do not edit after this line",
+			header: "",
 		},
 		{
 			name:   "host:/etc/hosts",
@@ -278,10 +278,11 @@ dhcp-host=e6:92:39:49:7b:04,set:warewulf,node2,192.168.3.23,infinite
 const host_exports string = `backupFile: true
 writeFile: true
 Filename: etc/exports
-# Do not edit after this line
-# This block is autogenerated by warewulf
-# Resource: NFSHOME
+
+# This file is autogenerated by warewulf
 /home 192.168.0.0/255.255.255.0(rw,sync)
+/opt 192.168.0.0/255.255.255.0(ro,sync,no_root_squash)
+
 `
 
 const host_hosts string = `backupFile: true

overlays/host/internal/nodes.conf

@@ -15,10 +15,3 @@ nodes:
         device: wwnet0
         hwaddr: e6:92:39:49:7b:04
         ipaddr: 192.168.3.23
-resources:
-  NFSHOME:
-    mountpoint: /home
-    moptions: defaults
-    eoptions: rw,sync
-    epath: /home
-    server: controller

overlays/host/internal/warewulf.conf

@@ -19,9 +19,5 @@ nfs:
   export paths:
   - path: /home
     export options: rw,sync
-    mount options: defaults
-    mount: true
   - path: /opt
     export options: ro,sync,no_root_squash
-    mount options: defaults
-    mount: false

overlays/host/internal/warewulf.conf-static

@@ -18,9 +18,5 @@ nfs:
   export paths:
   - path: /home
     export options: rw,sync
-    mount options: defaults
-    mount: true
   - path: /opt
     export options: ro,sync,no_root_squash
-    mount options: defaults
-    mount: false

overlays/host/rootfs/etc/exports.ww

@@ -1,10 +1,11 @@
-{{ IncludeBlock "/etc/exports" "# Do not edit after this line" }}
-# This block is autogenerated by warewulf
+{{- if .Nfs.Enabled }}
+# This file is autogenerated by warewulf
 {{- $network := .Network }}
 {{- $netmask := .Netmask }}
-{{- range $ResName,$Res := .Resources }}
-{{- if eq (substr 0 3 $ResName) "NFS" }}{{ if eq $Res.server "controller" }}
-# Resource: {{ $ResName }}
-{{ $Res.epath}} {{ $network }}/{{ $netmask }}({{ $Res.eoptions }})
-{{- end }}{{ end }}
+{{- range .Nfs.ExportsExtended }}
+{{ .Path }} {{ $network }}/{{ $netmask }}({{ .ExportOptions }})
 {{- end }}
+{{- else }}
+{{ abort }}
+{{- end }}
+