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lvm2/SOURCES/0117-vdo-Sync-lvm_import_vdo.sh-with-main-as-of-970e4d295.patch

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import CS lvm2-2.03.14-14.el8
2024-03-27 20:06:01 +00:00
From 34255cb85ad476fd5b4ba3f30a53ea3dc084fcbb Mon Sep 17 00:00:00 2001
From: Marian Csontos <mcsontos@redhat.com>
Date: Thu, 7 Sep 2023 15:06:33 +0200
Subject: [PATCH] vdo: Sync lvm_import_vdo.sh with main as of 970e4d295edd.
---
scripts/lvm_import_vdo.sh | 277 ++++++++++++++++++++++++--------------
1 file changed, 176 insertions(+), 101 deletions(-)
diff --git a/scripts/lvm_import_vdo.sh b/scripts/lvm_import_vdo.sh
index f0e93075a..7f3f413e9 100755
--- a/scripts/lvm_import_vdo.sh
+++ b/scripts/lvm_import_vdo.sh
@@ -36,6 +36,9 @@ TEMPDIR="${TMPDIR:-/tmp}/$IMPORT_NAME"
_SAVEPATH=$PATH
PATH="/sbin:/usr/sbin:/bin:/usr/sbin:$PATH"
+# Set of trapped signals
+declare -a SIGNALS=("HUP" "INT" "QUIT" "ABRT" "TERM" "EXIT")
+
# user may override lvm location by setting LVM_BINARY
LVM=${LVM_BINARY:-lvm}
VDO=${VDO_BINARY:-vdo}
@@ -52,7 +55,9 @@ DM_DEV_DIR="${DM_DEV_DIR:-/dev}"
DM_UUID_PREFIX="${DM_UUID_PREFIX:-}"
DM_VG_NAME=
DM_LV_NAME=
+DEFAULT_VDO_CONFIG="/etc/vdoconf.yml" # Default location of vdo's manager config file
VDO_CONFIG=${VDO_CONFIG:-} # can be overridden with --vdo-config
+VDO_CONFIG_RESTORE=
VDOCONF=
test -n "$VDO_CONFIG" && VDOCONF="-f $VDO_CONFIG"
@@ -61,16 +66,17 @@ VGNAME=
LVNAME=
DEVMAJOR=0
DEVMINOR=0
-PROMPTING=""
-USE_VDO_DM_SNAPSHOT=1
+PROMPTING=
+USE_VDO_DM_SNAPSHOT="--yes"
VDO_DM_SNAPSHOT_NAME=
VDO_DM_SNAPSHOT_DEVICE=
VDO_SNAPSHOT_LOOP=
+VDO_INCONSISTENT=
DRY=0
-VERB=""
-FORCE=""
-YES=""
+VERB=
+FORCE=
+YES=
ABORT_AFTER_VDO_CONVERT=0
VDO_ALLOCATION_PARAMS=
@@ -78,6 +84,25 @@ VDO_ALLOCATION_PARAMS=
DEFAULT_NAME="vdovg/vdolvol"
NAME=""
+# predefine empty
+vdo_ackThreads=
+vdo_bioRotationInterval=
+vdo_bioThreads=
+vdo_blockMapCacheSize=
+vdo_blockMapPeriod=
+vdo_compression=
+vdo_cpuThreads=
+vdo_deduplication=
+vdo_hashZoneThreads=
+vdo_indexMemory=
+vdo_indexSparse=
+vdo_logicalBlockSize=
+vdo_logicalThreads=
+vdo_maxDiscardSize=
+vdo_physicalThreads=
+vdo_slabSize=
+vdo_writePolicy=
+
# help message
tool_usage() {
echo "${TOOL}: Utility to convert VDO volume to VDO LV."
@@ -107,7 +132,11 @@ error() {
for i in "$@" ; do
echo "$TOOL: $i" >&2
done
- cleanup 1
+ return 1
+}
+
+warn() {
+ echo "$TOOL: WARNING: $i" >&2
}
dry() {
@@ -120,15 +149,31 @@ dry() {
}
cleanup() {
- trap '' 2
+ RC=$? # Return code + 128 of the last command eg INT=2 + 128 -> 130
- test -n "$VDO_DM_SNAPSHOT_NAME" && { "$DMSETUP" remove "$VDO_DM_SNAPSHOT_NAME" || true ; }
- test -n "$VDO_SNAPSHOT_LOOP" && { "$LOSETUP" -d "$VDO_SNAPSHOT_LOOP" || true ; }
+ trap '' "${SIGNALS[@]}" # mute trap for all signals to not interrupt cleanup() on any next signal
+
+ [ -z "$PROMPTING" ] || echo "No"
+
+ [ -e "$VDO_CONFIG_RESTORE" ] && { dry cp -a "$VDO_CONFIG_RESTORE" "${VDO_CONFIG:-"$DEFAULT_VDO_CONFIG"}" || true ; }
+
+ if [ -n "$VDO_DM_SNAPSHOT_NAME" ]; then
+ dry "$LVM" vgchange -an --devices "$VDO_DM_SNAPSHOT_DEVICE" "$VGNAME" &>/dev/null || true
+ for i in {1..20} ; do
+ [ "$(dry "$DMSETUP" info --noheading -co open "$VDO_DM_SNAPSHOT_NAME")" = "0" ] && break
+ sleep .1
+ done
+ dry "$DMSETUP" remove "$VDO_DM_SNAPSHOT_NAME" &>/dev/null || true
+ fi
+
+
+ [ -n "$VDO_SNAPSHOT_LOOP" ] && { dry "$LOSETUP" -d "$VDO_SNAPSHOT_LOOP" || true ; }
+
+ [ -z "$VDO_INCONSISTENT" ] || echo "$TOOL: VDO volume import process exited unexpectedly!" >&2
- test -z "$PROMPTING" || echo "No"
rm -rf "$TEMPDIR" || true
- # error exit status for break
- exit "${1:-1}"
+
+ exit "$RC"
}
# Create snapshot target like for persistent snapshot with 16KiB chunksize
@@ -143,7 +188,7 @@ snapshot_create_() {
# TODO: maybe use ramdisk via 'brd' device ?)
"$TRUNCATE" -s 20M "$file"
VDO_SNAPSHOT_LOOP=$("$LOSETUP" -f --show "$file")
- "$DMSETUP" create "$VDO_DM_SNAPSHOT_NAME" -u "${DM_UUID_PREFIX}-${VDO_DM_SNAPSHOT_NAME}-priv" --table "$(snapshot_target_line_ "$1" "$VDO_SNAPSHOT_LOOP")"
+ "$DMSETUP" create "$VDO_DM_SNAPSHOT_NAME" -u "${DM_UUID_PREFIX}${VDO_DM_SNAPSHOT_NAME}-priv" --table "$(snapshot_target_line_ "$1" "$VDO_SNAPSHOT_LOOP")"
VDO_DM_SNAPSHOT_DEVICE="$DM_DEV_DIR/mapper/$VDO_DM_SNAPSHOT_NAME"
verbose "Snapshot of VDO device $1 created: $VDO_DM_SNAPSHOT_DEVICE."
}
@@ -158,7 +203,9 @@ snapshot_merge_() {
error "ABORTING: Failed to initialize snapshot merge! Origin volume is unchanged."
}
- verbose "Merging converted VDO volume..."
+ verbose "Merging converted VDO volume \"$VDO_DM_SNAPSHOT_NAME\"."
+ VDO_INCONSISTENT=1
+
# Running merging
"$DMSETUP" resume "$VDO_DM_SNAPSHOT_NAME"
@@ -166,30 +213,37 @@ snapshot_merge_() {
# Loop for a while, till the snapshot is merged.
# Should be nearly instantaneous.
- # FIXME: Recovery when something prevents merging is hard
+ # FIXME: Recovery when something prevents merging is hard
for i in $(seq 1 20) ; do
status=( $("$DMSETUP" status "$VDO_DM_SNAPSHOT_NAME") )
# Check if merging is finished
- test "${status[3]%/*}" = "${status[4]}" && break
+ [ "${status[3]%/*}" = "${status[4]}" ] && break
# Wait a bit and retry
sleep .2
done
- test "${status[3]%/*}" = "${status[4]}" || {
+
+ if [ "${status[3]%/*}" != "${status[4]}" ]; then
# FIXME: Now what shall we do ??? Help....
- # Keep snapshot in table for possible analysis...
+ # Keep snapshot in DM table for possible analysis...
VDO_DM_SNAPSHOT_NAME=
VDO_SNAPSHOT_LOOP=
- echo "Initial snapshot status ${initial_status[*]}"
- echo "Failing merge snapshot status ${status[*]}"
+ echo "$TOOL: Initial snapshot status ${initial_status[*]}"
+ echo "$TOOL: Failing merge snapshot status ${status[*]}"
error "ABORTING: Snapshot failed to merge! (Administrator required...)"
- }
- sync
+ fi
+
+ VDO_INCONSISTENT=
+ VDO_CONFIG_RESTORE=
+
+ verbose "Converted VDO volume is merged to \"$1\"."
+
"$DMSETUP" remove "$VDO_DM_SNAPSHOT_NAME" || {
sleep 1 # sleep and retry once more
"$DMSETUP" remove "$VDO_DM_SNAPSHOT_NAME" || {
error "ABORTING: Cannot remove snapshot $VDO_DM_SNAPSHOT_NAME! (check volume autoactivation...)"
}
}
+
VDO_DM_SNAPSHOT_NAME=
"$LOSETUP" -d "$VDO_SNAPSHOT_LOOP"
VDO_SNAPSHOT_LOOP=
@@ -222,9 +276,9 @@ get_largest_extent_size_() {
for i in 8 16 32 64 128 256 512 1024 2048 4096 ; do
d=$(( $1 / i ))
- test $(( d * i )) -eq "$1" || break
+ [ $(( d * i )) -eq "$1" ] || break
d=$(( $2 / i ))
- test $(( d * i )) -eq "$2" || break
+ [ $(( d * i )) -eq "$2" ] || break
max=$i
done
echo "$max"
@@ -239,7 +293,7 @@ detect_lv_() {
DEVICE=${1/#"${DM_DEV_DIR}/"/}
DEVICE=$("$READLINK" $READLINK_E "$DM_DEV_DIR/$DEVICE" || true)
- test -n "$DEVICE" || error "Readlink cannot access device \"$1\"."
+ [ -n "$DEVICE" ] || error "Readlink cannot access device \"$1\"."
RDEVICE=$DEVICE
case "$RDEVICE" in
# hardcoded /dev since udev does not create these entries elsewhere
@@ -251,12 +305,12 @@ detect_lv_() {
;;
*)
RSTAT=$("$STAT" --format "DEVMAJOR=\$((0x%t)) DEVMINOR=\$((0x%T))" "$RDEVICE" || true)
- test -n "$RSTAT" || error "Cannot get major:minor for \"$DEVICE\"."
+ [ -n "$RSTAT" ] || error "Cannot get major:minor for \"$DEVICE\"."
eval "$RSTAT"
;;
esac
- test "$DEVMAJOR" != "$(grep device-mapper /proc/devices | cut -f1 -d' ')" && return
+ [ "$DEVMAJOR" != "$(grep device-mapper /proc/devices | cut -f1 -d' ')" ] && return
DEV="$("$DMSETUP" info -c -j "$DEVMAJOR" -m "$DEVMINOR" -o uuid,name --noheadings --nameprefixes --separator ' ')"
case "$DEV" in
@@ -332,9 +386,10 @@ convert_lv_() {
vg_extent_size=$("$LVM" vgs -o vg_extent_size --units b --nosuffix --noheadings "$VGNAME")
vg_extent_size=$(( vg_extent_size / 1024 ))
- test "$vg_extent_size" -le "$extent_size" || {
+ [ "$vg_extent_size" -le "$extent_size" ] || {
error "Please vgchange extent_size to at most $extent_size KiB or extend and align virtual size of VDO device on $vg_extent_size KiB before retrying conversion."
}
+
verbose "Renaming existing LV to be used as _vdata volume for VDO pool LV."
dry "$LVM" lvrename $YES $VERB "$VGNAME/$DM_LV_NAME" "$VGNAME/${LVNAME}_vpool" || {
error "Rename of LV \"$VGNAME/$DM_LV_NAME\" failed, while VDO header has been already moved!"
@@ -362,19 +417,39 @@ convert_non_lv_() {
local output
local pvfree
- if [ "$USE_VDO_DM_SNAPSHOT" = "1" ]; then
+ if [ -n "$USE_VDO_DM_SNAPSHOT" ]; then
dry snapshot_create_ "$DEVICE"
- sed "s:$DEVICE:$VDO_DM_SNAPSHOT_DEVICE:" "$TEMPDIR/vdoconf.yml" > "$TEMPDIR/vdo_snap.yml"
+ sed "s|$DEVICE|$VDO_DM_SNAPSHOT_DEVICE|" "$TEMPDIR/vdoconf.yml" > "$TEMPDIR/vdo_snap.yml"
+ # In case of error in the middle of conversion restore original config file
+ VDO_CONFIG_RESTORE="$TEMPDIR/vdoconf.yml"
# Let VDO manager operate on snapshot volume
- VDOCONF="-f $TEMPDIR/vdo_snap.yml"
+ dry cp -a "$TEMPDIR/vdo_snap.yml" "${VDO_CONFIG:-"$DEFAULT_VDO_CONFIG"}"
+ else
+ # If error in the following section, report possible problems ahead
+ VDO_INCONSISTENT=1
fi
- verbose "Moving VDO header."
- output=$(dry "$VDO" convert $VDOCONF $VERB --force --name "$VDONAME")
+ # In case we operate with snapshot, all lvm2 operation will also run on top of snapshot
+ local device=${VDO_DM_SNAPSHOT_DEVICE:-$DEVICE}
+
+ # Check if there is not already an existing PV header, this would have fail on pvcreate after conversion
+ "$LVM" pvs --devices "$device" "$device" 2>/dev/null && {
+ error "Cannot convert volume \"$DEVICE\" with existing PV header."
+ }
+
+ verbose "Moving VDO header on \"$device\"."
- if [ "$ABORT_AFTER_VDO_CONVERT" != "0" ] ; then
- verbose "Aborting VDO conversion after moving VDO header, volume is useless!"
- cleanup 0
+ output=$(dry "$VDO" convert $VDOCONF $VERB --force --name "$VDONAME" 2>&1) || {
+ local rc=$?
+ echo "$output"
+ error "Failed to convert VDO volume \"$DEVICE\" (exit code $rc)."
+ }
+
+ echo "$output"
+
+ if [ "$ABORT_AFTER_VDO_CONVERT" != "0" ]; then
+ warn "Aborting VDO conversion after moving VDO header, volume is useless!"
+ return 0
fi
# Parse result from VDO preparation/conversion tool
@@ -399,12 +474,7 @@ convert_non_lv_() {
esac
done <<< "$output"
- # In case we operation with snapshot, all lvm2 operation will also run on top of snapshot
- local devices=${VDO_DM_SNAPSHOT_DEVICE:-$DEVICE}
-
- dry "$LVM" pvcreate $YES --devices "$devices" --dataalignment "$vdo_offset"b "$devices" || {
- error "Creation of PV on \"$DEVICE\" failed, while VDO header has been already moved!"
- }
+ dry "$LVM" pvcreate $YES $VERB $FORCE --devices "$device" --dataalignment "$vdo_offset"b "$device"
# Obtain free space in this new PV
# after 'vdo convert' call there is ~(1-2)M free space at the front of the device
@@ -421,47 +491,53 @@ convert_non_lv_() {
# To precisely byte-synchronize the size of VDO LV, user can lvresize such VDO LV later.
vdo_logicalSizeRounded=$(( ( vdo_logicalSize / extent_size ) * extent_size ))
- verbose "Creating VG \"${NAME%/*}\" with extent size $extent_size KiB."
- dry "$LVM" vgcreate $YES $VERB --devices "$devices" -s "${extent_size}k" "$VGNAME" "$devices" || {
- error "Creation of VG \"$VGNAME\" failed, while VDO header has been already moved!"
- }
+ verbose "Creating volume group \"$VGNAME\" with the extent size $extent_size KiB."
+ dry "$LVM" vgcreate $YES $VERB --devices "$device" -s "${extent_size}k" "$VGNAME" "$device"
- verbose "Creating VDO pool data LV from all extents in volume group $VGNAME."
- dry "$LVM" lvcreate -Zn -Wn -an $YES $VERB --devices "$devices" -l100%VG -n "${LVNAME}_vpool" "$VGNAME" "$devices"
+ verbose "Creating VDO pool data LV from all extents in the volume group \"$VGNAME\"."
+ dry "$LVM" lvcreate -Zn -Wn -an $YES $VERB --devices "$device" -l100%VG -n "${LVNAME}_vpool" "$VGNAME" "$device"
verbose "Converting to VDO pool."
- dry "$LVM" lvconvert $YES $VERB $FORCE --devices "$devices" --config "$VDO_ALLOCATION_PARAMS" -Zn -V "${vdo_logicalSizeRounded}k" -n "$LVNAME" --type vdo-pool "$VGNAME/${LVNAME}_vpool"
- if [ "$vdo_logicalSizeRounded" -lt "$vdo_logicalSize" ] ; then
+ dry "$LVM" lvconvert ${USE_VDO_DM_SNAPSHOT:-"$YES"} $VERB $FORCE --devices "$device" --config "$VDO_ALLOCATION_PARAMS" -Zn -V "${vdo_logicalSizeRounded}k" -n "$LVNAME" --type vdo-pool "$VGNAME/${LVNAME}_vpool"
+
+ if [ "$vdo_logicalSizeRounded" -lt "$vdo_logicalSize" ]; then
# need to extend virtual size to be covering all the converted area
# let lvm2 to round to the proper virtual size of VDO LV
- dry "$LVM" lvextend $YES $VERB --fs ignore --devices "$devices" -L "$vdo_logicalSize"k "$VGNAME/$LVNAME"
+ dry "$LVM" lvextend $YES $VERB --devices "$device" -L "$vdo_logicalSize"k "$VGNAME/$LVNAME"
fi
- dry "$LVM" vgchange -an $VERB $FORCE --devices "$devices" "$VGNAME"
-
- if [ "$USE_VDO_DM_SNAPSHOT" = "1" ]; then
- if [ -z "$YES" ]; then
- PROMPTING=yes
- echo "Warning: Do not interrupt merging process once it starts (VDO data may become irrecoverable)!"
- echo -n "Do you want to merge converted VDO device \"$DEVICE\" to VDO LV \"$VGNAME/$LVNAME\"? [y|N]: "
- read -r -n 1 -s ANSWER
- case "${ANSWER:0:1}" in
- y|Y ) echo "Yes" ;;
- * ) echo "No" ; PROMPTING=""; cleanup 1 ;;
- esac
- PROMPTING=""
- YES="-y" # From now, now prompting
- fi
+ VDO_INCONSISTENT=
- dry snapshot_merge_ "$DEVICE"
- if [ -e "$TEMPDIR/vdo_snap.yml" ]; then
- dry cp "$TEMPDIR/vdo_snap.yml" "$VDO_CONFIG"
- else
- dry rm -f "$VDO_CONFIG"
- fi
- verbose "Merging of VDO device finished."
+ [ -z "$USE_VDO_DM_SNAPSHOT" ] && return # no-snapshot case finished
+
+ dry "$LVM" vgchange -an $VERB $FORCE --devices "$device" "$VGNAME"
+
+ # Prevent unwanted auto activation when VG is merged
+ dry "$LVM" vgchange --setautoactivation n $VERB $FORCE --devices "$device" "$VGNAME"
+
+ if [ -z "$YES" ]; then
+ PROMPTING=yes
+ warn "Do not interrupt merging process once it starts (VDO data may become irrecoverable)!"
+ echo -n "$TOOL: Do you want to merge converted VDO device \"$DEVICE\" to VDO LV \"$VGNAME/$LVNAME\"? [y|N]: "
+ read -r -n 1 -s ANSWER
+ case "${ANSWER:0:1}" in
+ y|Y ) echo "Yes" ;;
+ * ) echo "No" ; PROMPTING=""; return 1 ;;
+ esac
+ PROMPTING=""
+ YES="-y" # From now, now prompting
fi
+ dry snapshot_merge_ "$DEVICE"
+
+ # For systems using devicesfile add 'merged' PV into system.devices.
+ # Bypassing use of --valuesonly to keep compatibility with older lvm.
+ local usedev=$("$LVM" lvmconfig --typeconfig full devices/use_devicesfile || true)
+ [ "${usedev#*=}" = "1" ] && dry "$LVM" lvmdevices --adddev "$DEVICE"
+
+ # Restore auto activation for a VG
+ dry "$LVM" vgchange --setautoactivation y $VERB $FORCE "$VGNAME"
+
dry "$LVM" lvchange -ay $VERB $FORCE "$VGNAME/$LVNAME"
}
@@ -479,43 +555,43 @@ convert2lvm_() {
detect_lv_ "$DEVICE"
case "$DM_UUID" in
LVM-*) eval "$("$DMSETUP" splitname --nameprefixes --noheadings --separator ' ' "$DM_NAME")"
- if [ -z "$VGNAME" ] || [ "$VGNAME" = "$LVNAME" ] ; then
+ if [ -z "$VGNAME" ] || [ "$VGNAME" = "$LVNAME" ]; then
VGNAME=$DM_VG_NAME
verbose "Using existing volume group name \"$VGNAME\"."
- test -n "$LVNAME" || LVNAME=$DM_LV_NAME
+ [ -n "$LVNAME" ] || LVNAME=$DM_LV_NAME
elif [ "$VGNAME" != "$DM_VG_NAME" ]; then
error "Volume group name \"$VGNAME\" does not match name \"$DM_VG_NAME\" for VDO device \"$DEVICE\"."
fi
;;
*)
# Check if we need to generate unused $VGNANE
- if [ -z "$VGNAME" ] || [ "$VGNAME" = "$LVNAME" ] ; then
+ if [ -z "$VGNAME" ] || [ "$VGNAME" = "$LVNAME" ]; then
VGNAME=${DEFAULT_NAME%/*}
# Find largest matching VG name to our 'default' vgname
- LASTVGNAME=$(LC_ALL=C "$LVM" vgs -oname -O-name --noheadings -S name=~"${VGNAME}" | grep -E "${VGNAME}[0-9]? ?" | head -1 || true)
+ LASTVGNAME=$(LC_ALL=C "$LVM" vgs -oname -O-name --noheadings -S name=~"${VGNAME}" | grep -m 1 -E "${VGNAME}[0-9]? ?" || true)
if [ -n "$LASTVGNAME" ]; then
LASTVGNAME=${LASTVGNAME#*"${VGNAME}"}
# If the number is becoming too high, try some random number
- test "$LASTVGNAME" -gt 99999999 2>/dev/null && LASTVGNAME=$RANDOM
+ [ -n "$LASTVGNAME" ] && [ "$LASTVGNAME" -gt 99999999 ] && LASTVGNAME=$RANDOM
# Generate new unused VG name
VGNAME="${VGNAME}$(( LASTVGNAME + 1 ))"
verbose "Selected unused volume group name \"$VGNAME\"."
fi
fi
# New VG is created, LV name should be always unused.
- test -n "$LVNAME" || LVNAME=${DEFAULT_NAME#*/}
+ [ -n "$LVNAME" ] || LVNAME=${DEFAULT_NAME#*/}
"$LVM" vgs "$VGNAME" >/dev/null 2>&1 && error "Cannot use already existing volume group name \"$VGNAME\"."
;;
esac
verbose "Checked whether device \"$DEVICE\" is already logical volume."
- "$MKDIR" -p -m 0000 "$TEMPDIR" || error "Failed to create $TEMPDIR."
+ "$MKDIR" -p -m 0000 "$TEMPDIR" || error "Failed to create \"$TEMPDIR\"."
# TODO: might use directly /etc/vdoconf.yml (avoiding need of 'vdo' manager)
verbose "Getting YAML VDO configuration."
"$VDO" printConfigFile $VDOCONF >"$TEMPDIR/vdoconf.yml"
- test -s "$TEMPDIR/vdoconf.yml" || error "Cannot work without VDO configuration"
+ [ -s "$TEMPDIR/vdoconf.yml" ] || error "Cannot work without VDO configuration."
# Check list of devices in VDO configure file for their major:minor
# and match with given $DEVICE devmajor:devminor
@@ -524,13 +600,13 @@ convert2lvm_() {
DEV=$("$READLINK" $READLINK_E "$i") || continue
RSTAT=$("$STAT" --format "MAJOR=\$((0x%t)) MINOR=\$((0x%T))" "$DEV" 2>/dev/null) || continue
eval "$RSTAT"
- test "$MAJOR" = "$DEVMAJOR" && test "$MINOR" = "$DEVMINOR" && {
- test -z "$FOUND" || error "VDO configuration contains duplicate entries $FOUND and $i"
+ if [ "$MAJOR" = "$DEVMAJOR" ] && [ "$MINOR" = "$DEVMINOR" ]; then
+ [ -z "$FOUND" ] || error "VDO configuration contains duplicate entries $FOUND and $i."
FOUND=$i
- }
+ fi
done
- test -n "$FOUND" || error "Can't find matching device in VDO configuration file."
+ [ -n "$FOUND" ] || error "Can't find matching device in VDO configuration file."
verbose "Found matching device $FOUND $MAJOR:$MINOR."
VDONAME=$(awk -v DNAME="$FOUND" '/.*VDOService$/ {VNAME=substr($1, 0, length($1) - 1)} /[[:space:]]*device:/ { if ($2 ~ DNAME) {print VNAME}}' "$TEMPDIR/vdoconf.yml")
@@ -541,7 +617,7 @@ convert2lvm_() {
case "$DM_OPEN" in
Device*) ;; # no devices
*) eval "$DM_OPEN"
- test "${DM_OPEN:-0}" -eq 0 || error "Cannot convert in use VDO volume \"$VDONAME\"!"
+ [ "${DM_OPEN:-0}" -eq 0 ] || error "Cannot convert in use VDO volume \"$VDONAME\"!"
;;
esac
@@ -583,21 +659,22 @@ EOF
dry "$VDO" stop $VDOCONF --name "$VDONAME" $VERB
# If user has not provided '--yes', prompt before conversion
- if [ -z "$YES" ] && [ "$USE_VDO_DM_SNAPSHOT" != "1" ]; then
+ if [ -z "$YES" ] && [ -z "$USE_VDO_DM_SNAPSHOT" ]; then
PROMPTING=yes
- echo -n "Convert VDO device \"$DEVICE\" to VDO LV \"$VGNAME/$LVNAME\"? [y|N]: "
+ echo -n "$TOOL: Convert VDO device \"$DEVICE\" to VDO LV \"$VGNAME/$LVNAME\"? [y|N]: "
read -r -n 1 -s ANSWER
case "${ANSWER:0:1}" in
y|Y ) echo "Yes" ;;
- * ) echo "No" ; PROMPTING=""; cleanup 1 ;;
+ * ) echo "No" ; PROMPTING=""; return 1 ;;
esac
PROMPTING=""
YES="-y" # From now, no prompting
fi
# Make a backup of the existing VDO yaml configuration file
- test -e "$VDO_CONFIG" && dry cp -a "$VDO_CONFIG" "${VDO_CONFIG}.backup"
+ [ -e "$VDO_CONFIG" ] && dry cp -a "$VDO_CONFIG" "${VDO_CONFIG}.backup"
+ DEVICE=$FOUND
case "$DM_UUID" in
LVM-*) convert_lv_ "$vdo_logicalSize" ;;
*) convert_non_lv_ "$vdo_logicalSize" ;;
@@ -608,9 +685,9 @@ EOF
# start point of this script
# - parsing parameters
#############################
-trap "cleanup 2" 2
+trap "cleanup" "${SIGNALS[@]}"
-test "$#" -eq 0 && tool_usage
+[ "$#" -eq 0 ] && tool_usage
while [ "$#" -ne 0 ]
do
@@ -621,19 +698,17 @@ do
"-n"|"--name" ) shift; NAME=$1 ;;
"-v"|"--verbose") VERB="--verbose" ;;
"-y"|"--yes" ) YES="-y" ;;
- "--abort-after-vdo-convert" ) ABORT_AFTER_VDO_CONVERT=1; USE_VDO_DM_SNAPSHOT=0 ;; # For testing only
- "--dry-run" ) DRY="1" ; VERB="-v" ;;
- "--no-snapshot" ) USE_VDO_DM_SNAPSHOT=0 ;;
- "--uuid-prefix" ) shift; DM_UUID_PREFIX=$1 ;; # For testing only
- "--vdo-config" ) shift; VDO_CONFIG=$1 ; VDOCONF="-f $VDO_CONFIG" ;;
- "-*") error "Wrong argument \"$1\". (see: $TOOL --help)" ;;
+ "--abort-after-vdo-convert"|"--abortaftervdoconvert" ) ABORT_AFTER_VDO_CONVERT=1; USE_VDO_DM_SNAPSHOT= ;; # For testing only
+ "--dry-run"|"--dryrun" ) DRY="1" ; VERB="-v" ;;
+ "--no-snapshot"|"--nosnapshot" ) USE_VDO_DM_SNAPSHOT= ;;
+ "--uuid-prefix"|"--uuidprefix" ) shift; DM_UUID_PREFIX=$1 ;; # For testing only
+ "--vdo-config"|"--vdoconfig" ) shift; VDO_CONFIG=$1 ; VDOCONF="-f $VDO_CONFIG" ;;
+ -* ) error "Wrong argument \"$1\". (see: $TOOL --help)" ;;
*) DEVICE=$1 ;; # device name does not start with '-'
esac
shift
done
-test -n "$DEVICE" || error "Device name is not specified. (see: $TOOL --help)"
+[ -n "$DEVICE" ] || error "Device name is not specified. (see: $TOOL --help)"
convert2lvm_
-
-cleanup 0
--
2.41.0
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