Use systemd mount units for mounting ignition

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

overlays/wwinit/etc/fstab.ww

@@ -7,8 +7,17 @@ devpts /dev/pts devpts gid=5,mode=620 0 0
 tmpfs /run/shm tmpfs defaults 0 0
 sysfs /sys sysfs defaults 0 0
 proc /proc proc defaults 0 0
+{{- if .FileSystems }}
+# mounts for local file systems created with ignition in nodes.conf
+# all with noauto as mounts happens with systemd units
+{{- range $fsdevice,$fs := .FileSystems }}
+{{ $fsdevice }} {{ $fs.Path }} {{ $fs.Format }}
+{{- 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

overlays/wwinit/etc/systemd/system/ignition-ww4-mount.service

@@ -1,16 +0,0 @@
-[Unit]
-Description=Ignition warewulf (mount)
-Documentation=https://hpcng.github.io/warewulf
-ConditionPathExists=/warewulf/ignition.json
-ConditionPathExists=/usr/lib/dracut/modules.d/30ignition/ignition
-DefaultDependencies=false
-Before=ignition-complete.target
-
-After=ignition-ww4-disks.service
-
-
-[Service]
-Type=oneshot
-RemainAfterExit=yes
-ExecStart=/usr/lib/dracut/modules.d/30ignition/ignition --platform=metal --stage=mount --config-cache /warewulf/ignition.json
-ExecStop=/usr/lib/dracut/modules.d/30ignition/ignition --platform=metal --stage=umount --config-cache /warewulf/ignition.json

overlays/wwinit/etc/systemd/system/local-fs.target.wants/ww4-disks.target

@@ -0,0 +1 @@
+/etc/systemd/system/ww4-disks.target

overlays/wwinit/etc/systemd/system/multi-user.target.wants/ignition-ww4-mount.service

@@ -1 +0,0 @@
-/etc/systemd/system/ignition-ww4-mount.service

overlays/wwinit/etc/systemd/system/ww4-disks.target.ww

@@ -0,0 +1,20 @@
+# This file is autogenerated by warewulf
+# Host:   {{.BuildHost}}
+# Time:   {{.BuildTime}}
+# Source: {{.BuildSource}}
+[Unit]
+Description=mount ww4 disks
+# make sure that the disks are available
+Requires=ignition-ww4-disks.service
+After=ignition-ww4-disks.service
+Prequisite=ignition-ww4-disks.service
+# Get the mounts
+{{- range $fsdevice,$fs := .FileSystems }}
+{{- $prefix := $fsdevice }}{{ $suffix := "mount" }}
+{{- if eq $fs.Format "swap"}}
+{{- $prefix = tr $fsdevice "/dev/disk/by-partlabel/" "dev-disk-by\\x2dpartlabel-"}}{{ $suffix = "swap"}}
+{{- else }}
+{{- if $fs.Path }}{{ $prefix = tr $fs.Path "/" "" }}{{ end }}
+{{- end }}
+Wants={{ print $prefix "." $suffix }}
+{{- end }}

overlays/wwinit/etc/systemd/system/ww4-mounts.ww

@@ -0,0 +1,38 @@
+{{- $host := .BuildHost }}
+{{- $time := .BuildTime }}
+{{- $source := .BuildSource }}
+{{- range $fsdevice,$fs := .FileSystems }}
+{{- $prefix := tr $fs.Path "/" "" }}{{ $suffix:="mount"}}
+{{- if $fs.Label }}{{ $prefix = $fs.Label }}{{ end }}
+{{- if eq $fs.Format "swap"}}{{ $prefix = tr $fsdevice "/dev/disk/by-partlabel/" "dev-disk-by\\x2dpartlabel-"}}{{ $suffix = "swap"}}{{ end }}
+{{- $filename := print $prefix "."  $suffix  }}
+{{- file $filename }}
+# This file is autogenerated by warewulf
+# Host:   {{ $host }}
+# Time:   {{ $time }}
+# Source: {{ $source }}
+{{- if eq $fs.Format "swap"}}
+[Unit]
+ConditionPathExists=/warewulf/ignition.json
+After=ignition-ww4-disks.service
+Before=swap.target
+[Swap]
+What={{ $fsdevice }}
+[Install]
+RequiredBy=swap.target
+{{- else }}
+[Unit]
+ConditionPathExists=/warewulf/ignition.json
+Before=local-fs.target
+After=ignition-ww4-disks.service
+[Mount]
+Where={{ $fs.Path }}
+What={{ $fsdevice }}
+Type={{ $fs.Format }}
+{{- if $fs.MountOptions }}
+Options={{range $index,$opt := $fs.MountOptions }}{{if $index }},{{ end }}{{ $opt }}{{ end }}
+{{- end }}
+[Install]
+RequiredBy=local-fs.target
+{{- end }}
+{{- end }}