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fix logic flow for deciding to pivot or not

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Signed-off-by: Adam Michel <elfurbe@furbism.com>
This commit is contained in:
Adam Michel
2023-05-18 17:40:06 -07:00
committed by Jonathon Anderson
parent 9d7e1a51c0
commit b0bc5eb20d
1 changed files with 19 additions and 16 deletions
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35
overlays/wwinit/rootfs/init
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@@ -14,7 +14,7 @@ else
echo b > /proc/sysrq-trigger || /sbin/reboot
fi
echo "Warewulf v4 is now booting: $WWHOSTNAME"
echo "Warewulf v4 is now booting: ${WWHOSTNAME}"
echo
echo "Mounting up kernel file systems"
@@ -30,28 +30,31 @@ echo -n "Checking Rootfs type..."
ROOTFSTYPE=`stat -f -c "%T" /`
echo "${ROOTFSTYPE}"
if test "$WWROOT" = "initramfs"; then
echo "Provisioned to default initramfs file system: $ROOTFSTYPE"
echo "Calling WW Init"
exec /warewulf/wwinit
elif test "$WWROOT" = "tmpfs"; then
if test "$ROOTFSTYPE" = "tmpfs"; then
echo "ERROR: Switching the root file system requires the kernel argument: 'rootfstype=ramfs'"
else
echo "Setting up tmpfs root file system"
if [ "${WWROOT}" != "${ROOTFSTYPE}" ]; then
echo "Requested rootfs type does not match current rootfs type. Pivoting to new rootfs..."
if [ "${WWROOT}" == "ramfs" ] || [ "${WWROOT}" == "tmpfs" ]; then
mkdir /newroot
mount wwroot /newroot -t tmpfs -o mpol=interleave
echo "Moving RAMFS to TMPFS"
tar -cf - --exclude ./proc --exclude ./sys --exclude ./dev --exclude ./newroot . | tar -xf - -C /newroot
mount wwroot /newroot -t ${WWROOT} -o mpol=interleave
tar cf - --exclude ./proc --exclude ./sys --exclude ./dev --exclude ./run --exclude ./newroot . | tar xf - -C /newroot
mkdir /newroot/proc /newroot/dev /newroot/sys /newroot/run 2>/dev/null
echo "Calling switch_root and invoking WW Init"
echo "Switching to new rootfs and invoking /warewulf/wwinit..."
exec /sbin/switch_root /newroot /warewulf/wwinit
elif [ "${WWROOT}" == "initramfs" ]; then
echo "Invoking /warewulf/wwinit..."
exec /warewulf/wwinit
else
echo "Unrecognized rootfs type requested: ${WWROOT}"
echo "Rebooting in 1 minute..."
sleep 60
/sbin/reboot
fi
else
echo "ERROR: Unknown Warewulf Root file system: $WWROOT"
echo "Invoking /warewulf/wwinit..."
exec /warewulf/wwinit
fi
echo
echo "There was a problem with the provisioning process, rebooting in 1 minute..."
echo "There was a problem with the initial provisioning process, rebooting in 1 minute..."
sleep 60
echo b > /proc/sysrq-trigger || /sbin/reboot