5f3c54297d
This commit introduces support for installing CentOS-based previous
release (21.12) in Debian.
There are two main components in this commit:
1. Handle the label change for the backup partition:
Platform Backup in 21.12 vs 'platform_backup' in Debian
This is accomplished by ignoring the label/partlabel entirely when
searching for an existing backup partition. Instead, the partition
GUID is used to locate the partition. The GUID does not change
between distributions.
2. Use pre-bundled CentOS kickstarts for subcloud installs in Debian
Since modifications are required to the CentOS kickstart files for the
above, we copy the relevant pre-bundled centos kickstarts (for miniboot
and prestaged ISO only) into a centos-specific directory under the
Debian /var/www/pages/feed/rel-${platform_release}/kickstart directory
structure, in order to be available for the gen-bootloader-iso-centos.sh
utility. These files are included in the platform-kickstarts .deb
package.
NOTES on how the pre-bundled files are created:
- We cannot use the files under bsp-file/kickstarts/*.cfg, since they
are not valid for 21.12 release (e.g. they refer to /var/www)
- Instead, files were taken from a valid 21.12 release and manually
merged with the pre-bundled files generated from this repo
GOING FORWARD:
Only the bundled files at kickstart/files/centos/*.cfg will be
maintained. At a later time, we may choose to remove the partial
kickstarts under bsp-files/kickstarts/*.cfg, since they are not used
anywhere.
Test Plan
PASS:
- Build full ISO, verify that the
/var/www/pages/feed/rel-23.09/kickstart/centos directory is populated
with the pre-bundled kickstart files
- Verify previous-release CentOS subcloud install/deployment under
Debian (requires patched 22.12 load)
- Verify current-release subcloud install under Debian
Story: 2010611
Task: 48268
Signed-off-by: Kyle MacLeod <kyle.macleod@windriver.com>
Change-Id: I1b7f76212e222dea7c6e586e4e9492f8a86a955e
326 lines
13 KiB
INI
326 lines
13 KiB
INI
%pre --erroronfail
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# Get the FD used by subshells to log output
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exec {stdout}>&1
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# Source common functions
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. /tmp/ks-functions.sh
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wlog "ISO_DEV='$ISO_DEV'."
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wlog "USB_DEV='$USB_DEV'."
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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 $I 2>/dev/null;; esac; done
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# Source the custom setup script if it exists
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if [ -e /run/install/repo/ks-setup.cfg ]; then
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source /run/install/repo/ks-setup.cfg
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fi
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if [ -z "$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=$(get_disk_dev)
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fi
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if [ -z "$persistent_size" ]; then
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# Default backup partition size in MiB
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persistent_size=30000
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fi
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# Get root and boot devices
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orig_rootfs_device=$rootfs_device
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by_path_rootfs_device=$(get_by_path $rootfs_device)
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rootfs_device=$(get_disk $by_path_rootfs_device)
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wlog "Found rootfs $orig_rootfs_device on: $by_path_rootfs_device->$rootfs_device."
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orig_boot_device=$boot_device
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by_path_boot_device=$(get_by_path $boot_device)
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boot_device=$(get_disk $by_path_boot_device)
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wlog "Found boot $orig_boot_device on: $by_path_boot_device->$boot_device."
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# Check if boot and rootfs devices are valid
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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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# Get all block devices of type disk in the system. This includes solid
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# state devices.
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# Note: /dev/* are managed by kernel tmpdevfs while links in /dev/disk/by-path/
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# are managed by udev which updates them asynchronously so we should avoid using
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# them while performing partition operations.
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STOR_DEVS=""
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wlog "Detected storage devices:"
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for f in /dev/disk/by-path/*; do
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dev=$(readlink -f $f)
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exec_retry 2 0.5 "lsblk --nodeps --pairs $dev" | grep -q 'TYPE="disk"'
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if [ $? -eq 0 ]; then
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exec_retry 3 0.5 "multipath -c $dev" > /dev/null
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if [ $? -eq 0 ]; then
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mpath_dev=/dev/mapper/$(exec_retry 3 0.5 "multipath -l $dev" | head -n1 | cut -d " " -f 1)
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if echo $STOR_DEVS | grep -q -w $mpath_dev; then
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continue
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else
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STOR_DEVS="$STOR_DEVS $mpath_dev"
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mpath_path=$(find -L /dev/disk/by-id/dm-uuid* -samefile $mpath_dev)
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wlog " ${mpath_path}->${mpath_dev}"
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fi
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else
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STOR_DEVS="$STOR_DEVS $dev"
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wlog " ${f}->${dev}"
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fi
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fi
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done
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# Filter STOR_DEVS variable for any duplicates as on some systems udev
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# creates multiple links to the same device. This causes issues due to
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# attempting to acquire a flock on the same device multiple times.
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STOR_DEVS=$(echo "$STOR_DEVS" | xargs -n 1 | sort -u | xargs)
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wlog "Unique storage devices: $STOR_DEVS."
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if [ -z "$STOR_DEVS" ]
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then
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report_pre_failure_with_msg "ERROR: No storage devices available."
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fi
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# Lock all devices so that udev doesn't trigger a kernel partition table
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# rescan that removes and recreates all /dev nodes for partitions on those
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# devices. Since udev events are asynchronous this could lead to a case
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# where /dev/ links for existing partitions are briefly missing.
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# Missing /dev links leads to command execution failures.
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STOR_DEV_FDS="$stdout"
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for dev in $STOR_DEVS; do
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exec {fd}>$dev || report_pre_failure_with_msg "ERROR: Error creating file descriptor for $dev."
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flock -n "$fd" || report_pre_failure_with_msg "ERROR: Can't get a lock on fd $fd of device $dev."
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STOR_DEV_FDS="$STOR_DEV_FDS $fd"
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done
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# Log info about system state at beginning of partitioning operation
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for dev in $STOR_DEVS; do
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wlog "Initial partition table for $dev is:"
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parted -s $dev unit mib print
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done
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# Ensure specified device is not a USB drive
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udevadm info --query=property --name=$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 ($orig_boot_device) device is a USB drive."
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fi
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# Deactivate existing volume groups to avoid Anaconda issues with pre-existing groups
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vgs=$(exec_no_fds "$STOR_DEV_FDS" "vgs --noheadings -o vg_name")
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for vg in $vgs; do
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wlog "Disabling $vg."
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exec_no_fds "$STOR_DEV_FDS" "vgchange -an $vg" 5 0.5
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[ $? -ne 0 ] && report_pre_failure_with_msg "ERROR: Failed to disable $vg."
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done
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# Remove the volume groups that have physical volumes on the root disk
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for vg in $(exec_no_fds "$STOR_DEV_FDS" "vgs --noheadings -o vg_name"); do
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exec_no_fds "$STOR_DEV_FDS" "pvs --select \"vg_name=$vg\" --noheadings -o pv_name" | grep -q "$rootfs_device"
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if [ $? -ne 0 ]; then
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wlog "Found $vg with no PV on rootfs, ignoring."
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continue
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fi
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wlog "Removing LVs on $vg."
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exec_no_fds "$STOR_DEV_FDS" "lvremove --force $vg" 5 0.5 || wlog "WARNING: Failed to remove lvs on $vg."
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pvs=$(exec_no_fds "$STOR_DEV_FDS" "pvs --select \"vg_name=$vg\" --noheadings -o pv_name")
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wlog "VG $vg has PVs: $(echo $pvs), removing them."
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for pv in $pvs; do
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wlog "Removing PV $pv."
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exec_no_fds "$STOR_DEV_FDS" "pvremove --force --force --yes $pv" 5 0.5
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[ $? -ne 0 ] && report_pre_failure_with_msg "ERROR: Failed to remove PV."
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done
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# VG should no longer be present
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vg_check=$(exec_no_fds "$STOR_DEV_FDS" "vgs --select \"vg_name=$vg\" --noheadings -o vg_name")
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if [ -n "$vg_check" ]; then
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wlog "WARNING: VG $vg is still present after removing PVs! Removing it by force."
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exec_no_fds "$STOR_DEV_FDS" "vgremove --force $vg" 5 0.5
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[ $? -ne 0 ] && report_pre_failure_with_msg "ERROR: Failed to remove VG."
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fi
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done
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ONLYUSE_HDD=""
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part_type_guid_str="Partition GUID code"
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if [ "$(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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wlog "In upgrade, wiping only $rootfs_device"
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WIPE_HDD=$rootfs_device
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ONLYUSE_HDD="$(basename $rootfs_device)"
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if [ "$rootfs_device" != "$boot_device" ]; then
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WIPE_HDD="$WIPE_HDD,$boot_device"
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ONLYUSE_HDD="$ONLYUSE_HDD,$(basename $boot_device)"
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fi
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else
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# Make a list of all the hard drives that are to be wiped
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WIPE_HDD=""
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# Partition type OSD has a unique globally identifier
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CEPH_REGULAR_OSD_GUID="4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D"
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CEPH_REGULAR_JOURNAL_GUID="45B0969E-9B03-4F30-B4C6-B4B80CEFF106"
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CEPH_MPATH_OSD_GUID="4FBD7E29-8AE0-4982-BF9D-5A8D867AF560"
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CEPH_MPATH_JOURNAL_GUID="45B0969E-8AE0-4982-BF9D-5A8D867AF560"
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# Check if we wipe OSDs
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if [ "$(curl -sf http://pxecontroller:6385/v1/ihosts/wipe_osds 2>/dev/null)" = "true" ]; then
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wlog "Wipe OSD data."
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WIPE_CEPH_OSDS="true"
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else
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wlog "Skip Ceph OSD data wipe."
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WIPE_CEPH_OSDS="false"
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fi
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for dev in $STOR_DEVS
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do
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# Avoid wiping USB drives
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udevadm info --query=property --name=$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 [ ${WIPE_CEPH_OSDS} == "false" ]; then
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wipe_dev="true"
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pvs | grep -q "$dev *ceph"
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if [ $? -eq 0 ]; then
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wlog "skip rook provisoned disk $dev"
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continue
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fi
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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=$(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" == $CEPH_REGULAR_OSD_GUID -o "$part_type_guid" == $CEPH_MPATH_OSD_GUID ]; then
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wlog "OSD found on $dev, skipping wipe"
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wipe_dev="false"
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break
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fi
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pvs | grep -q -e "${dev}${part_number} *ceph" -e "${dev}p${part_number} *ceph"
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if [ $? -eq 0 ]; then
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wlog "Rook OSD found on $dev$part_number, skip 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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wlog "Not in upgrade, wiping disks: $WIPE_HDD"
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fi
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ROOTFS_PART_PREFIX=$rootfs_device
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#check if disk is nvme
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case $rootfs_device in
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*"nvme"*)
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ROOTFS_PART_PREFIX=${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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wlog "WIPE_HDD: checking dev: $dev, part_numbers: $part_numbers, rootfs_device: $rootfs_device, boot_device: $boot_device"
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for part_number in "${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${part_number}
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;;
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esac
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sgdisk_part_info=$(sgdisk -i $part_number $dev)
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part_type_guid=$(echo "$sgdisk_part_info" | grep "$part_type_guid_str" | awk '{print $4;}')
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if [ "$dev" = "$rootfs_device" ] || [ "$dev" = "$boot_device" ]; then
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wlog "Checking for backup partition: $part"
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part_fstype=$(exec_retry 5 0.5 "blkid -s TYPE -o value $part")
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if [ "$part_type_guid" = "$BACKUP_PART_GUID" ] && [ "${part_fstype}" = "ext4" ]; then
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wlog "Skipping wipe backup partition $part"
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BACKUP_CREATED=1
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continue
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else
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wlog "Skipping part:$part_number $dev GUID: $part_type_guid"
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fi
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fi
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wlog "Wiping partition $part"
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if [[ $WIPE_CEPH_OSDS == "true" && ( "$part_type_guid" == $CEPH_REGULAR_JOURNAL_GUID || "$part_type_guid" == $CEPH_MPATH_JOURNAL_GUID ) ]]; then
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# Journal partitions require additional wiping. Based on the ceph-manage-journal.py
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# script in the integ repo (at the ceph/ceph/files/ceph-manage-journal.py location)
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# wiping 100MB of data at the beginning of the partition should be enough. We also
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# wipe 100MB at the end, just to be safe.
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dd if=/dev/zero of=$part bs=1M count=100
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dd if=/dev/zero of=$part bs=1M count=100 seek=$(( `blockdev --getsz $part` / (1024 * 2) - 100 ))
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else
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dd if=/dev/zero of=$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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fi
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exec_retry 5 0.5 "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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exec_retry 5 0.3 "rm -f $part" # Delete remaining /dev node leftover
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done
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if [ $BACKUP_CREATED -eq 0 -o "$dev" != "$rootfs_device" ]; then
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wlog "Creating disk label for $dev"
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parted -s $dev mktable gpt
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fi
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done
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# Check for remaining cgts-vg PVs, which could potentially happen
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# in an upgrade where we're not wiping all disks.
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# If we ever create other volume groups from kickstart in the future,
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# include them in this search as well.
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partitions=$(exec_no_fds "$STOR_DEV_FDS" "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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wlog "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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