nmhw-auto-part: The overlay is now mounted during the initramdisk script.

This makes sure, that every service will work with the changes made to the
rootfs, while the overlay is active.

BugzID: 54854

Signed-off-by: Lucien Mueller <lucien.mueller@netmodule.com>

recipes-sota/ostree-initrd/files/init.sh

@@ -70,6 +70,9 @@ mkdir -p run/initramfs
 
 pivot_root . run/initramfs || bail_out "pivot_root failed."
 
+mkdir -p data
+[[ -e /etc/nmhw-auto-part/data-partition ]] && mount $(cat /etc/nmhw-auto-part/data-partition) /data && \
+[[ -e /etc/nmhw-auto-part/overlay ]] && mount -t overlay -o lowerdir=/usr,upperdir=/data/overlay,workdir=/data/.work overlay /usr
 
 exec chroot . sh -c 'umount /run/initramfs/tmp; umount /run/initramfs/sys; umount /run/initramfs; exec /sbin/init' \
 	  <dev/console >dev/console 2>&1

recipes-support/nmhw-auto-part/nmhw-auto-part/mount-overlay.service

@@ -1,10 +0,0 @@
-[Unit]
-Description=Mount overlay over /usr.
-After=ostree-finalize-staged.service
-
-[Service]
-Type=oneshot
-ExecStart=/bin/mount -t overlay -o lowerdir=/usr,upperdir=/mnt/overlay,workdir=/mnt/.work overlay /usr
-
-[Install]
-WantedBy=multi-user.target

recipes-support/nmhw-auto-part/nmhw-auto-part/nmhw-auto-part

@@ -274,26 +274,26 @@ execute(){
   printf "Done.\n\n"
   datapart=$createdPartition
 
-  printf "Mounting new partition to /mnt. "
-  mount $datapart /mnt
+  printf "Mounting new partition to /data. "
+  mount $datapart /data
   printf "Done.\n\n"
 
-  printf "Adding new partition to /etc/fstab. "
-  echo "$datapart       /mnt          auto       defaults,sync  0  0" >> /etc/fstab
-  printf "Done.\n\n"
+  mkdir -p /etc/nmhw-auto-part
+  echo $datapart > /etc/nmhw-auto-part/data-partition
 
   case "$ptype" in
   "overlay")
       
-      mkdir -p /mnt/.work
-      printf "Creating overlay folder in /mnt. "
-      mkdir -p /mnt/overlay
+      mkdir -p /data/.work
+      printf "Creating overlay folder in /data. "
+      mkdir -p /data/overlay
       printf "Done.\n\n"
 
-      printf "Enabling mount-overlay service. "
-      systemctl enable mount-overlay.service >> /tmp/log/nmhw-auto-part.log 2>&1
-      systemctl start mount-overlay.service
+      printf "Mounting overlay. "
+      mount -t overlay -o lowerdir=/usr,upperdir=/data/overlay,workdir=/data/.work overlay /usr
       printf "Done.\n\n"
+
+      touch /etc/nmhw-auto-part/overlay
       ;;
   *)
       echo "Error: $ptype is not an option."
@@ -303,11 +303,11 @@ execute(){
   echo "Partitioning successful."
   echo "Partitioning successful." >> /tmp/log/nmhw-auto-part.log
 
-  echo "A new partition is now available and mounted on /mnt."
+  echo "A new partition is now available and mounted on /data."
   if [ "$ptype" == "overlay" ] ; then
     echo "There is now an overlay mounted over /usr."
     echo "/usr is now writeable."
-    echo "All changes to /usr are now saved under /mnt/overlay."
+    echo "All changes to /usr are now saved under /data/overlay."
   fi
 }
 

recipes-support/nmhw-auto-part/nmhw-auto-part_1.1.0.bb

@@ -12,23 +12,16 @@ RDEPENDS_${PN} += "e2fsprogs-resize2fs"
 RDEPENDS_${PN} += "bash"
 
 SRC_URI = "file://nmhw-auto-part \
-           file://mount-overlay.service \
           "
-inherit systemd
 
-# SYSTEMD_SERVICE_${PN} += "mount-overlay.service"
 
 S = "${WORKDIR}"
 
 do_install () {
   install -d -m 755 ${D}${bindir}/
   install -m 755 nmhw-auto-part ${D}${bindir}/
-
-  install -d ${D}${systemd_system_unitdir}
-  install -m 0644 ${WORKDIR}/mount-overlay.service ${D}${systemd_system_unitdir}/
 }
 
 FILES_${PN} = " \
                     ${bindir}/nmhw-auto-part \
-                    ${systemd_system_unitdir}/mount-overlay.service \
                   "