Added logic to mount Linux boot disk with LVM and to mount NTFS disk …

…automatically
GoogleCloudPlatform · Mar 1, 2024 · 5b6e483 · 5b6e483
1 parent e8661fe
commit 5b6e483
Showing 1 changed file with 31 additions and 3 deletions.
diff --git a/gce_rescue/startup-script.txt b/gce_rescue/startup-script.txt
@@ -9,8 +9,36 @@ hostname ${HOSTNAME}-rescue
 while [ true ]; do
  [[ -e /dev/disk/by-id/google-${disk} ]] && {
  mkdir -p /mnt/sysroot
- disk_p=$(lsblk -rf /dev/disk/by-id/google-${disk} | egrep -i 'ext[3-4]|xfs|microsoft')
- [[ /dev/${disk_p%% *} ]] && mount /dev/${disk_p%% *} /mnt/sysroot
+ fs=$(lsblk -rf /dev/disk/by-id/google-${disk} | egrep -i 'ext[3-4]|xfs|ntfs'| awk '{print $2}')
+ case $fs in
+ ntfs)
+ apt-get install -y ntfs-3g
+ disk_map=$(lsblk -rf /dev/disk/by-id/google-${disk}| egrep -i 'ntfs'| awk '{print $1}')
+ ntfsfix /dev/${disk_map}
+ [[ /dev/${disk_map} ]] && mount -t ntfs /dev/${disk_map} /mnt/sysroot
+ ;;
+
+ ext4|ext3|xfs)
+ disk_map=$(lsblk -rf /dev/disk/by-id/google-${disk}| egrep -i LVM2_member| awk '{print $1}')
+ if [[ -n ${disk_map} ]];
+ then
+ apt-get install -y lvm2
+ pvscan; vgscan
+ vgname=$(vgs --devices /dev/${disk_map} -o vg_name --noheadings)
+ vgchange -ay $vgname
+ vgscan; lvscan
+ disk_p=$(blkid -U $(lsblk -rf /dev/disk/by-id/google-${disk} | egrep -i 'ext[3-4]|xfs' | awk '{print $NF}'))
+ [[ $disk_p ]] && mount $disk_p /mnt/sysroot
+ else
+ disk_p=$(lsblk -rf /dev/disk/by-id/google-${disk} | egrep -i 'ext[3-4]|xfs')
+ [[ /dev/${disk_p%% *} ]] && mount /dev/${disk_p%% *} /mnt/sysroot
+ fi
+ ;;
+
+ *)
+ echo "FS not supported ";;
+ 
+ esac
 
  [[ -d /mnt/sysroot/proc ]] && mount -t proc proc /mnt/sysroot/proc
  [[ -d /mnt/sysroot/sys ]] && mount -t sysfs sys /mnt/sysroot/sys
@@ -36,4 +64,4 @@ EOF
 chmod 644 /etc/systemd/system/rescue_automount.service
 systemctl enable rescue_automount.service
 systemctl start rescue_automount.service
-echo "END:${ts}" 2>&1
+echo "END:${ts}" 2>&1