# SPECIAL_DISK: For use outside of fai. A base disk name like
# /dev/sdk. If set, we just cryptsetup and partition this one disk then
# exit. This is useful for partitioning a disk in preparation to replace
-# a failed or failing disk from a raid10 array.
+# a failed or failing disk from a raid10 array. This also sets REPARTITION.
#
# DISTRO: if not set, derived from VOL_... variable in a switch below.
#
mkroot2tab=false
mkroot2=false
mktab=false
-if [[ $1 ]]; then
+if (( $# >= 1 )); then
## duplicates fai-wrapper, for convenience of not needing it
if ! type -t ifclass &>/dev/null; then
ifclass() {
SWAPLIST=\${SWAPLIST:-"${swap_devs[@]}"}
EOF
- if [[ $HOSTNAME == frodo ]]; then
- big_disks=(
- ata-Hitachi_HDS722020ALA330_JK1121YAG7SXWS-part1
- ata-Hitachi_HDS722020ALA330_JK1121YAG7SY4S-part1
- ata-Hitachi_HDS723030ALA640_MK0311YHG2WUSA-part1
- ata-ST4000DM000-1F2168_Z300AZ6K-part1
- ata-ST6000DM001-1XY17Z_Z4D2WMZK-part1
- ata-TOSHIBA_MD04ACA500_8539K4TQFS9A-part1
- ata-TOSHIBA_MD04ACA500_85NAK4T2FS9A-part1
- ata-TOSHIBA_MD04ACA500_9551K615FS9A-part1
- ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A-part1
- )
- for d in ${big_disks[@]}; do
- cat >>/tmp/fai/crypttab <<EOF
-crypt_dev_$d /dev/disk/by-id/$d /mnt/root/q/root/luks/iank discard,luks
-EOF
- done
- cat >> /tmp/fai/fstab <<EOF
-/dev/mapper/crypt_dev_${big_disks[0]} /mnt/i btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
-EOF
- fi
+ # now example if i add big disks.
+ # if [[ $HOSTNAME == frodo ]]; then
+ # big_disks=(
+ # ata-Hitachi_HDS722020ALA330_JK1121YAG7SXWS-part1
+ # ata-Hitachi_HDS722020ALA330_JK1121YAG7SY4S-part1
+ # ata-Hitachi_HDS723030ALA640_MK0311YHG2WUSA-part1
+ # ata-ST4000DM000-1F2168_Z300AZ6K-part1
+ # ata-ST6000DM001-1XY17Z_Z4D2WMZK-part1
+ # ata-TOSHIBA_MD04ACA500_8539K4TQFS9A-part1
+ # ata-TOSHIBA_MD04ACA500_85NAK4T2FS9A-part1
+ # ata-TOSHIBA_MD04ACA500_9551K615FS9A-part1
+ # ata-TOSHIBA_MD04ACA500_Y5IFK6IJFS9A-part1
+ # )
+ # for d in ${big_disks[@]}; do
+ # cat >>/tmp/fai/crypttab <<EOF
+ # crypt_dev_$d /dev/disk/by-id/$d /mnt/root/q/root/luks/iank discard,luks
+ # EOF
+ # done
+ # cat >> /tmp/fai/fstab <<EOF
+ # /dev/mapper/crypt_dev_${big_disks[0]} /mnt/i btrfs nofail,$fstabstd,noatime,subvolid=0 0 0
+ # EOF
+ # fi
if [[ $HOSTNAME == kd ]]; then
# note, having these with keyscript and initramfs causes a luks error in fai.log,
# but it is safely ignorable and gets us the ability to just type our password
exit 0
}
+d() {
+ if $dry_run; then
+ printf "%s\n" "$*"
+ else
+ "$@"
+ fi
+}
+
+# usage: lvmwipe [-n] SHORT_DEV_NAME...
+# -n dry run.
+# example: lvmwipe /dev/sda /dev/sdb
+lvmwipe() {
+ local dry_run pv_dev short_dev vg lvs lv pv vgs_of_pv
+ local -a wipe_short_devs pv_wipes vg_wipes pv_devs
+ local -A vg_map
+ dry_run=false
+ case $1 in
+ -n)
+ dry_run=true
+ shift
+ ;;
+ esac
+ would_wipe=false
+ wipe_short_devs=("$@")
+ for short_dev in "${wipe_short_devs[@]}"; do
+ if [[ $short_dev != /dev/* ]]; then
+ echo "$0: error: lvmwipe: got unexpected argument: $short_dev" >&2
+ exit 1
+ fi
+ done
+ pv_wipes=()
+ vg_wipes=()
+ pv_devs=$(pvs --noheadings -o pvname)
+ for pv_dev in $pv_devs; do
+ for short_dev in ${wipe_short_devs[@]}; do
+ if [[ $pv_dev == $short_dev* ]]; then
+ pv_wipes+=($pv_dev)
+ vgs_of_pv=$(pvs --noheadings -o vgname $pv_dev)
+ for vg in $vgs_of_pv; do
+ if [[ ${vg_map[$vg]} ]]; then
+ continue
+ fi
+ vg_map[$vg]=t
+ vg_wipes+=($vg)
+ lvs=$(vgs --noheadings -o lv_path $vg)
+ for lv in $lvs; do
+ d wipefs -a $lv
+ done
+ done
+ fi
+ done
+ done
+
+ for vg in ${vg_wipes[@]}; do
+ d vgchange -an $vg
+ d vgremove -ff $vg
+ done
+
+ for pv in ${pv_wipes[@]}; do
+ would_wipe=true
+ d pvremove -ff $pv
+ done
+}
+
+devwipe() {
+ local count_down dev
+ local -a wipe_devs
+ wipe_devs=("$@")
+ for dev in ${wipe_devs[@]}; do
+ # if we repartition to the same as an old partition,
+ # we don't want any old fses hanging around.
+ count_down=10
+ # wipefs has failed, manual run works, google suggests timing issue
+ while ! wipefs -a $dev; do
+ sleep 2
+ count_down=$((count_down - 1))
+ if (( count_down <= 0 )); then
+ echo "$0: wipefs failed 10 times. exiting" >&2
+ exit 1
+ fi
+ done
+ done
+}
##### end function defs
hdds=()
ssds=()
-# this excludes "usb". vda disk has empty tran (transport). This may need adjustment
+# Example output:
+# sda
+# sdb
+# sdc
+#
+# This excludes "usb". vda disk has empty tran (transport). This may need adjustment
# for some new type we come across. cdrom has type "rom"
for disk in $(lsblk -ndo name,type,tran | awk '$3 ~ "^(sata|nvme|sas|)$" && $2 == "disk" { print $1 }'); do
if [[ ${disk_excludes[$disk]} ]]; then
esac
done
-# install all ssds, or if there are none, all hdds.
+# Example of short_devs: (/dev/sda /dev/sdb /dev/sdc)
+# Install all ssds, or if there are none, all hdds.
# Note, usb flash disks are seen as rotational, which is
# very odd, but convenient for ignoring them here.
if ! ifclass ROTATIONAL && (( ${#ssds[@]} > 0 )); then
if $partition; then
### begin wipefs
- if [[ ! $SPECIAL_DISK ]]; then
-
+ if [[ $SPECIAL_DISK ]]; then
+ lvmwipe -n $SPECIAL_DISK
+ if $would_wipe; then
+ echo "wipefs -a $SPECIAL_DISK"
+ echo "$0: exiting. review and execute above wipefs commands manually"
+ exit 0
+ fi
+ devwipe $SPECIAL_DISK
+ else
# we do lvm removals just for the disks we are using
- pv_wipes=()
- vg_wipes=()
- declare -A vg_map
- pv_devs=$(pvs --noheadings -o pvname)
- for pv_dev in $pv_devs; do
- for short_dev in ${short_devs[@]}; do
- if [[ $pv_dev == $short_dev* ]]; then
- pv_wipes+=($pv_dev)
- vgs_of_pv=$(pvs --noheadings -o vgname $pv_dev)
- for vg in $vgs_of_pv; do
- if [[ ${vg_map[$vg]} ]]; then
- continue
- fi
- vg_map[$vg]=t
- vg_wipes+=($vg)
- lvs=$(vgs --noheadings -o lv_path $vg)
- for lv in $lvs; do
- wipefs -a $lv
- done
- done
- fi
- done
- done
-
- for vg in ${vg_wipes[@]}; do
- vgchange -an $vg
- vgremove -ff $vg
- done
-
- for pv in ${pv_wipes[@]}; do
- pvremove -ff $pv
- done
-
- for dev in ${devs[@]}; do
- # if we repartition to the same as an old partition,
- # we don't want any old fses hanging around.
- count_down=10
- # wipefs has failed, manual run works, google suggests timing issue
- while ! wipefs -a $dev; do
- sleep 2
- count_down=$((count_down - 1))
- if (( count_down <= 0 )); then
- echo "$0: wipefs failed 10 times. exiting" >&2
- exit 1
- fi
- done
- done
+ lvmwipe "${short_devs[@]}"
+ devwipe "${devs[@]}"
fi
### end wipefs
fi
if [[ $SPECIAL_DISK ]]; then
- devs=($(devbyid $SPECIAL_DISK))
+ tmps=$(devbyid $SPECIAL_DISK)
+ devs=("$tmps")
fi
for dev in ${devs[@]}; do
vg=vg${dev##*/}
iankelling.org / git / automated-distro-installer / commitdiff