198 lines
7.2 KiB
INI
198 lines
7.2 KiB
INI
%pre --erroronfail
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# Source common functions
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. /tmp/ks-functions.sh
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# This is a really fancy way of finding the first usable disk for the
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# install and not stomping on the USB device if it comes up first
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# First, parse /proc/cmdline to find the boot args
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set -- `cat /proc/cmdline`
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for I in $*; do case "$I" in *=*) eval $I 2>/dev/null;; esac; done
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if [ -z "$boot_device" ]; then
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boot_device=$(get_disk_dev)
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fi
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if [ -z "$rootfs_device" ]; then
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rootfs_device=$(get_disk_dev)
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fi
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# Convert to by-path
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orig_rootfs_device=$rootfs_device
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rootfs_device=$(get_by_path $rootfs_device)
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orig_boot_device=$boot_device
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boot_device=$(get_by_path $boot_device)
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if [ ! -e "$rootfs_device" -o ! -e "$boot_device" ] ; then
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# Touch this file to prevent Anaconda from dying an ungraceful death
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touch /tmp/part-include
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report_pre_failure_with_msg "ERROR: Specified installation ($orig_rootfs_device) or boot ($orig_boot_device) device is invalid."
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fi
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# Ensure specified device is not a USB drive
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udevadm info --query=property --name=$rootfs_device |grep -q '^ID_BUS=usb' || \
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udevadm info --query=property --name=$boot_device |grep -q '^ID_BUS=usb'
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if [ $? -eq 0 ]; then
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# Touch this file to prevent Anaconda from dying an ungraceful death
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touch /tmp/part-include
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report_pre_failure_with_msg "ERROR: Specified installation ($orig_rootfs_device) or boot ($orig_boot_device) device is a USB drive."
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fi
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# Deactivate existing volume groups to avoid Anaconda issues with pre-existing groups
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vgs --noheadings -o vg_name | xargs --no-run-if-empty -n 1 vgchange -an
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# Remove volumes and group for cgts-vg, if any
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lvremove --force cgts-vg
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pvs --select 'vg_name=cgts-vg' --noheadings -o pv_name | xargs --no-run-if-empty pvremove --force --force --yes
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vgs --select 'vg_name=cgts-vg' --noheadings -o vg_name | xargs --no-run-if-empty vgremove --force
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ONLYUSE_HDD=""
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part_type_guid_str="Partition GUID code"
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if [ "$(curl -sf http://pxecontroller:6385/v1/upgrade/$(hostname)/in_upgrade 2>/dev/null)" = "true" ]; then
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# In an upgrade, only wipe the disk with the rootfs and boot partition
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echo "In upgrade, wiping only $rootfs_device"
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WIPE_HDD="$(get_disk $rootfs_device)"
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ONLYUSE_HDD="$(basename $(get_disk $rootfs_device))"
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if [ "$(get_disk $rootfs_device)" != "$(get_disk $boot_device)" ]; then
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WIPE_HDD="$WIPE_HDD,$(get_disk $boot_device)"
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ONLYUSE_HDD="$ONLYUSE_HDD,$(basename $(get_disk $boot_device))"
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fi
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else
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# Make a list of all the hard drives that are to be wiped
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WIPE_HDD=""
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# Partition type OSD has a unique globally identifier
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CEPH_OSD_GUID="4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D"
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# Check if we wipe OSDs
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if [ "$(curl -sf http://pxecontroller:6385/v1/ihosts/wipe_osds 2>/dev/null)" = "true" ]; then
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echo "Wipe OSD data."
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WIPE_CEPH_OSDS="true"
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else
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echo "Skip Ceph OSD data wipe."
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WIPE_CEPH_OSDS="false"
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fi
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for f in /dev/disk/by-path/*
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do
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dev=$(readlink -f $f)
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lsblk --nodeps --pairs $dev | grep -q 'TYPE="disk"'
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if [ $? -ne 0 ]
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then
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continue
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fi
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# Avoid wiping USB drives
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udevadm info --query=property --name=$dev |grep -q '^ID_BUS=usb' && continue
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# Avoid wiping ceph osds if sysinv tells us so
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if [ ${WIPE_CEPH_OSDS} == "false" ]; then
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wipe_dev="true"
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part_numbers=( `parted -s $dev print | awk '$1 == "Number" {i=1; next}; i {print $1}'` )
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# Scanning the partitions looking for CEPH OSDs and
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# skipping any disk found with such partitions
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for part_number in "${part_numbers[@]}"; do
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sgdisk_part_info=$(flock $dev sgdisk -i $part_number $dev)
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part_type_guid=$(echo "$sgdisk_part_info" | grep "$part_type_guid_str" | awk '{print $4;}')
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if [ "$part_type_guid" == $CEPH_OSD_GUID ]; then
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echo "OSD found on $dev, skipping wipe"
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wipe_dev="false"
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break
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fi
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done
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if [ "$wipe_dev" == "false" ]; then
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continue
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fi
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fi
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# Add device to the wipe list
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devname=$(basename $dev)
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if [ -e $dev -a "$ISO_DEV" != "../../$devname" -a "$USB_DEV" != "../../$devname" ]; then
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if [ -n "$WIPE_HDD" ]; then
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WIPE_HDD=$WIPE_HDD,$dev
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else
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WIPE_HDD=$dev
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fi
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fi
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done
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echo "Not in upgrade, wiping disks: $WIPE_HDD"
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fi
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ROOTFS_DISK=$(get_disk $rootfs_device)
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ROOTFS_PART_PREFIX=$ROOTFS_DISK
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#check if disk is nvme
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case $ROOTFS_DISK in
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*"nvme"*)
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ROOTFS_PART_PREFIX=${ROOTFS_PART_PREFIX}p
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;;
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esac
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BACKUP_CREATED=0
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# Note that the BA5EBA11-0000-1111-2222- is the prefix used by STX and it's defined in sysinv constants.py.
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# Since the 000000000001 suffix is used by custom stx LVM partitions,
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# the next suffix is used for the persistent backup partition (000000000002)
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BACKUP_PART_LABEL="Platform Backup"
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BACKUP_PART_GUID="BA5EBA11-0000-1111-2222-000000000002"
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for dev in ${WIPE_HDD//,/ }
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do
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# Clearing previous GPT tables or LVM data
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# Delete the first few bytes at the start and end of the partition. This is required with
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# GPT partitions, they save partition info at the start and the end of the block.
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# Do this for each partition on the disk, as well.
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part_numbers=( $(parted -s $dev print | awk '$1 == "Number" {i=1; next}; i {print $1}') )
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for part_number in "${part_numbers[@]}"; do
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part=$dev$part_number
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case $part in
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*"nvme"*)
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part=${dev}p${part_number}
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;;
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esac
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sgdisk_part_info=$(flock $dev sgdisk -i $part_number $dev)
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part_type_guid=$(echo "$sgdisk_part_info" | grep "$part_type_guid_str" | awk '{print $4;}')
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if [ "$part_type_guid" == $BACKUP_PART_GUID ]; then
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echo "Skipping wipe backup partition $part"
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BACKUP_CREATED=1
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continue
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fi
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echo "Wiping partition $part"
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dd if=/dev/zero of=$part bs=512 count=34
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dd if=/dev/zero of=$part bs=512 count=34 seek=$((`blockdev --getsz $part` - 34))
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parted -s $dev rm $part_number
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# LP 1876374: On some nvme systems udev doesn't correctly remove the
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# links to the deleted partitions from /dev/nvme* causing them to be
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# seen as non block devices.
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sleep 0.3 # Wait for udev to settle
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rm -f $part # Delete remaining /dev node leftover
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done
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if [ $BACKUP_CREATED -eq 0 ] ; then
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echo "Creating disk label for $dev"
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parted -s $dev mktable gpt
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fi
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done
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# Check for remaining cgts-vg PVs, which could potentially happen
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# in an upgrade where we're not wiping all disks.
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# If we ever create other volume groups from kickstart in the future,
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# include them in this search as well.
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partitions=$(pvs --select 'vg_name=cgts-vg' -o pv_name --noheading | grep -v '\[unknown\]')
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for p in $partitions
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do
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echo "Pre-wiping $p from kickstart (cgts-vg present)"
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dd if=/dev/zero of=$p bs=512 count=34
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dd if=/dev/zero of=$p bs=512 count=34 seek=$((`blockdev --getsz $p` - 34))
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done
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let -i gb=1024*1024*1024
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if [ -n "$ONLYUSE_HDD" ]; then
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cat<<EOF>>/tmp/part-include
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ignoredisk --only-use=$ONLYUSE_HDD
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EOF
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fi
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