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56e4e2ce2b
lvm2/test/lib/aux.sh
Zdenek Kabelac 56e4e2ce2b tests: track leaked devices in tests 
When test calls teardown, no devices created by test are expected
to be left in table. Trap such orphans and make the test fail.
2016-12-11 23:24:19 +01:00

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#!/usr/bin/env bash
# Copyright (C) 2011-2015 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
. lib/utils
run_valgrind() {
# Execute script which may use $TESTNAME for creating individual
# log files for each execute command
exec "${VALGRIND:-valgrind}" "$@"
}
expect_failure() {
echo "TEST EXPECT FAILURE"
}
COROSYNC_CONF="/etc/corosync/corosync.conf"
COROSYNC_NODE="$(hostname)"
create_corosync_conf() {
if test -a $COROSYNC_CONF; then
if ! grep "created by lvm test suite" $COROSYNC_CONF; then
rm $COROSYNC_CONF
else
mv $COROSYNC_CONF $COROSYNC_CONF.prelvmtest
fi
fi
sed -e "s/@LOCAL_NODE@/$COROSYNC_NODE/" lib/test-corosync-conf > $COROSYNC_CONF
echo "created new $COROSYNC_CONF"
}
DLM_CONF="/etc/dlm/dlm.conf"
create_dlm_conf() {
if test -a $DLM_CONF; then
if ! grep "created by lvm test suite" $DLM_CONF; then
rm $DLM_CONF
else
mv $DLM_CONF $DLM_CONF.prelvmtest
fi
fi
cp lib/test-dlm-conf $DLM_CONF
echo "created new $DLM_CONF"
}
prepare_dlm() {
if pgrep dlm_controld ; then
echo "Cannot run while existing dlm_controld process exists"
exit 1
fi
if pgrep corosync; then
echo "Cannot run while existing corosync process exists"
exit 1
fi
create_corosync_conf
create_dlm_conf
systemctl start corosync
sleep 1
if ! pgrep corosync; then
echo "Failed to start corosync"
exit 1
fi
systemctl start dlm
sleep 1
if ! pgrep dlm_controld; then
echo "Failed to start dlm"
exit 1
fi
}
SANLOCK_CONF="/etc/sanlock/sanlock.conf"
create_sanlock_conf() {
if test -a $SANLOCK_CONF; then
if ! grep "created by lvm test suite" $SANLOCK_CONF; then
rm $SANLOCK_CONF
else
mv $SANLOCK_CONF $SANLOCK_CONF.prelvmtest
fi
fi
cp lib/test-sanlock-conf $SANLOCK_CONF
echo "created new $SANLOCK_CONF"
}
prepare_sanlock() {
if pgrep sanlock ; then
echo "Cannot run while existing sanlock process exists"
exit 1
fi
create_sanlock_conf
systemctl start sanlock
if ! pgrep sanlock; then
echo "Failed to start sanlock"
exit 1
fi
}
prepare_lvmlockd() {
if pgrep lvmlockd ; then
echo "Cannot run while existing lvmlockd process exists"
exit 1
fi
if test -n "$LVM_TEST_LOCK_TYPE_SANLOCK"; then
# make check_lvmlockd_sanlock
echo "starting lvmlockd for sanlock"
lvmlockd -o 2
elif test -n "$LVM_TEST_LOCK_TYPE_DLM"; then
# make check_lvmlockd_dlm
echo "starting lvmlockd for dlm"
lvmlockd
elif test -n "$LVM_TEST_LVMLOCKD_TEST_DLM"; then
# make check_lvmlockd_test
echo "starting lvmlockd --test (dlm)"
lvmlockd --test -g dlm
elif test -n "$LVM_TEST_LVMLOCKD_TEST_SANLOCK"; then
# FIXME: add option for this combination of --test and sanlock
echo "starting lvmlockd --test (sanlock)"
lvmlockd --test -g sanlock -o 2
else
echo "not starting lvmlockd"
exit 0
fi
sleep 1
if ! pgrep lvmlockd; then
echo "Failed to start lvmlockd"
exit 1
fi
}
prepare_clvmd() {
rm -f debug.log strace.log
test "${LVM_TEST_LOCKING:-0}" -ne 3 && return # not needed
if pgrep clvmd ; then
echo "Cannot use fake cluster locking with real clvmd ($(pgrep clvmd)) running."
skip
fi
# skip if we don't have our own clvmd...
if test -z "${installed_testsuite+varset}"; then
(which clvmd 2>/dev/null | grep -q "$abs_builddir") || skip
fi
test -e "$DM_DEV_DIR/control" || dmsetup table >/dev/null # create control node
# skip if singlenode is not compiled in
(clvmd --help 2>&1 | grep "Available cluster managers" | grep -q "singlenode") || skip
# lvmconf "activation/monitoring = 1"
local run_valgrind=
test "${LVM_VALGRIND_CLVMD:-0}" -eq 0 || run_valgrind="run_valgrind"
rm -f "$CLVMD_PIDFILE"
echo "<======== Starting CLVMD ========>"
# lvs is executed from clvmd - use our version
LVM_LOG_FILE_EPOCH=CLVMD LVM_LOG_FILE_MAX_LINES=1000000 LVM_BINARY=$(which lvm) $run_valgrind clvmd -Isinglenode -d 1 -f &
echo $! > LOCAL_CLVMD
for i in {1..100} ; do
test $i -eq 100 && die "Startup of clvmd is too slow."
test -e "$CLVMD_PIDFILE" -a -e "${CLVMD_PIDFILE%/*}/lvm/clvmd.sock" && break
sleep .2
done
}
prepare_dmeventd() {
rm -f debug.log strace.log
if pgrep dmeventd ; then
echo "Cannot test dmeventd with real dmeventd ($(pgrep dmeventd)) running."
skip
fi
# skip if we don't have our own dmeventd...
if test -z "${installed_testsuite+varset}"; then
(which dmeventd 2>/dev/null | grep -q "$abs_builddir") || skip
fi
lvmconf "activation/monitoring = 1"
local run_valgrind=
test "${LVM_VALGRIND_DMEVENTD:-0}" -eq 0 || run_valgrind="run_valgrind"
# LVM_LOG_FILE_EPOCH=DMEVENTD $run_valgrind dmeventd -fddddl "$@" 2>&1 &
LVM_LOG_FILE_EPOCH=DMEVENTD $run_valgrind dmeventd -fddddl "$@" >debug.log_DMEVENTD_out 2>&1 &
echo $! > LOCAL_DMEVENTD
# FIXME wait for pipe in /var/run instead
for i in {1..100} ; do
test $i -eq 100 && die "Startup of dmeventd is too slow."
test -e "${DMEVENTD_PIDFILE}" && break
sleep .2
done
echo ok
}
prepare_lvmetad() {
rm -f debug.log strace.log
# skip if we don't have our own lvmetad...
if test -z "${installed_testsuite+varset}"; then
(which lvmetad 2>/dev/null | grep -q "$abs_builddir") || skip
fi
local run_valgrind=
test "${LVM_VALGRIND_LVMETAD:-0}" -eq 0 || run_valgrind="run_valgrind"
kill_sleep_kill_ LOCAL_LVMETAD ${LVM_VALGRIND_LVMETAD:-0}
# Avoid reconfiguring, if already set to use_lvmetad
(grep use_lvmetad CONFIG_VALUES 2>/dev/null | tail -n 1 | grep -q 1) || \
aux lvmconf "global/use_lvmetad = 1" "devices/md_component_detection = 0"
# Default debug is "-l all" and could be override
# by setting LVM_TEST_LVMETAD_DEBUG_OPTS before calling inittest.
echo "preparing lvmetad..."
$run_valgrind lvmetad -f "$@" -s "$TESTDIR/lvmetad.socket" \
${LVM_TEST_LVMETAD_DEBUG_OPTS--l all} "$@" &
echo $! > LOCAL_LVMETAD
while ! test -e "$TESTDIR/lvmetad.socket"; do echo -n .; sleep .1; done # wait for the socket
echo ok
}
lvmetad_talk() {
local use=nc
if type -p socat >& /dev/null; then
use=socat
elif echo | not nc -U "$TESTDIR/lvmetad.socket" ; then
echo "WARNING: Neither socat nor nc -U seems to be available." 1>&2
echo "# failed to contact lvmetad"
return 1
fi
if test "$use" = nc ; then
nc -U "$TESTDIR/lvmetad.socket"
else
socat "unix-connect:$TESTDIR/lvmetad.socket" -
fi | tee -a lvmetad-talk.txt
}
lvmetad_dump() {
(echo 'request="dump"'; echo '##') | lvmetad_talk "$@"
}
notify_lvmetad() {
if test -e LOCAL_LVMETAD; then
# Ignore results here...
LVM_LOG_FILE_EPOCH= pvscan --cache "$@" || true
rm -f debug.log
fi
}
prepare_lvmpolld() {
rm -f debug.log
# skip if we don't have our own lvmpolld...
(which lvmpolld 2>/dev/null | grep "$abs_builddir") || skip
lvmconf "global/use_lvmpolld = 1"
local run_valgrind=
test "${LVM_VALGRIND_LVMPOLLD:-0}" -eq 0 || run_valgrind="run_valgrind"
kill_sleep_kill_ LOCAL_LVMPOLLD ${LVM_VALGRIND_LVMPOLLD:-0}
echo "preparing lvmpolld..."
$run_valgrind lvmpolld -f "$@" -s "$TESTDIR/lvmpolld.socket" -B "$TESTDIR/lib/lvm" -l all &
echo $! > LOCAL_LVMPOLLD
while ! test -e "$TESTDIR/lvmpolld.socket"; do echo -n .; sleep .1; done # wait for the socket
echo ok
}
lvmpolld_talk() {
local use=nc
if type -p socat >& /dev/null; then
use=socat
elif echo | not nc -U "$TESTDIR/lvmpolld.socket" ; then
echo "WARNING: Neither socat nor nc -U seems to be available." 1>&2
echo "# failed to contact lvmpolld"
return 1
fi
if test "$use" = nc ; then
nc -U "$TESTDIR/lvmpolld.socket"
else
socat "unix-connect:$TESTDIR/lvmpolld.socket" -
fi | tee -a lvmpolld-talk.txt
}
lvmpolld_dump() {
(echo 'request="dump"'; echo '##') | lvmpolld_talk "$@"
}
prepare_lvmdbusd() {
local daemon=
rm -f debug.log_LVMDBUSD_out
kill_sleep_kill_ LOCAL_LVMDBUSD 0
# FIXME: This is not correct! Daemon is auto started.
echo "checking lvmdbusd is NOT running..."
if ps -elf | grep lvmdbusd | grep python3; then
echo "Cannot run while existing lvmdbusd process exists"
return 1
fi
echo ok
# skip if we don't have our own lvmdbusd...
if test -z "${installed_testsuite+varset}"; then
# NOTE: this is always present - additional checks are needed:
daemon="$abs_top_builddir/daemons/lvmdbusd/lvmdbusd"
# Setup the python path so we can run
export PYTHONPATH=$abs_top_builddir/daemons
else
daemon=$(which lvmdbusd || :)
fi
[[ -n "$daemon" && -x "$daemon" ]] || skip "The daemon is missing"
which python3 >/dev/null || skip "Missing python3"
python3 -c "import pyudev, dbus, gi.repository" || skip "Missing python modules"
# Copy the needed file to run on the system bus if it doesn't
# already exist
if [ ! -f /etc/dbus-1/system.d/com.redhat.lvmdbus1.conf ]; then
install -m 644 $abs_top_builddir/scripts/com.redhat.lvmdbus1.conf /etc/dbus-1/system.d/
fi
echo "preparing lvmdbusd..."
lvmconf "global/notify_dbus = 1"
"$daemon" --debug > debug.log_LVMDBUSD_out 2>&1 &
local pid=$!
sleep 1
echo "checking lvmdbusd IS running..."
if ! ps -elf | grep lvmdbusd | grep python3; then
echo "Failed to start lvmdbusd daemon"
return 1
fi
# TODO: Is there a better check than wait 1 second and check pid?
if ! ps -p $pid -o comm= >/dev/null || [[ $(ps -p $pid -o comm=) != python3 ]]; then
echo "Failed to start lvmdbusd daemon"
return 1
fi
echo $pid > LOCAL_LVMDBUSD
echo ok
}
#
# Temporary solution to create some occupied thin metadata
# This heavily depends on thin metadata output format to stay as is.
# Currently it expects 2MB thin metadata and 200MB data volume size
# Argument specifies how many devices should be created.
#
prepare_thin_metadata() {
local devices=$1
local transaction_id=${2:-0}
local data_block_size=${3:-128}
local nr_data_blocks=${4:-3200}
local i
echo '<superblock uuid="" time="1" transaction="'$transaction_id'" data_block_size="'$data_block_size'" nr_data_blocks="'$nr_data_blocks'">'
for i in $(seq 1 $devices)
do
echo ' <device dev_id="'$i'" mapped_blocks="37" transaction="'$i'" creation_time="0" snap_time="1">'
echo ' <range_mapping origin_begin="0" data_begin="0" length="37" time="0"/>'
echo ' </device>'
done
echo "</superblock>"
}
teardown_devs_prefixed() {
local prefix=$1
local stray=${2:-0}
local IFS=$IFS_NL
local dm
rm -rf "$TESTDIR/dev/$prefix"*
# Resume suspended devices first
for dm in $(dm_info suspended,name | grep "^Suspended:.*$prefix"); do
echo "dmsetup resume \"${dm#Suspended:}\""
dmsetup clear "${dm#Suspended:}"
dmsetup resume "${dm#Suspended:}" &
done
wait
local mounts=( $(grep "$prefix" /proc/mounts | cut -d' ' -f1) )
if test ${#mounts[@]} -gt 0; then
test "$stray" -eq 0 || echo "Removing stray mounted devices containing $prefix: ${mounts[@]}"
if umount -fl "${mounts[@]}"; then
udev_wait
fi
fi
# Remove devices, start with closed (sorted by open count)
local remfail=no
local need_udev_wait=0
init_udev_transaction
for dm in $(dm_info name --sort open | grep "$prefix"); do
dmsetup remove "$dm" &>/dev/null || remfail=yes
need_udev_wait=1
done
finish_udev_transaction
test $need_udev_wait -eq 0 || udev_wait
if test $remfail = yes; then
local num_devs
local num_remaining_devs=999
while num_devs=$(dm_table | grep "$prefix" | wc -l) && \
test $num_devs -lt $num_remaining_devs -a $num_devs -ne 0; do
test "$stray" -eq 0 || echo "Removing $num_devs stray mapped devices with names beginning with $prefix: "
# HACK: sort also by minors - so we try to close 'possibly later' created device first
for dm in $(dm_info name --sort open,-minor | grep "$prefix") ; do
dmsetup remove -f "$dm" || true
done
num_remaining_devs=$num_devs
done
fi
udev_wait
}
teardown_devs() {
# Delete any remaining dm/udev semaphores
teardown_udev_cookies
test ! -f MD_DEV || cleanup_md_dev
test ! -f DEVICES || teardown_devs_prefixed "$PREFIX"
# NOTE: SCSI_DEBUG_DEV test must come before the LOOP test because
# prepare_scsi_debug_dev() also sets LOOP to short-circuit prepare_loop()
if test -f SCSI_DEBUG_DEV; then
test "${LVM_TEST_PARALLEL:-0}" -eq 1 || modprobe -r scsi_debug
else
test ! -f LOOP || losetup -d $(< LOOP) || true
test ! -f LOOPFILE || rm -f $(< LOOPFILE)
fi
not diff LOOP BACKING_DEV >/dev/null 2>&1 || rm -f BACKING_DEV
rm -f DEVICES LOOP
# Attempt to remove any loop devices that failed to get torn down if earlier tests aborted
test "${LVM_TEST_PARALLEL:-0}" -eq 1 -o -z "$COMMON_PREFIX" || {
local stray_loops=( $(losetup -a | grep "$COMMON_PREFIX" | cut -d: -f1) )
test ${#stray_loops[@]} -eq 0 || {
teardown_devs_prefixed "$COMMON_PREFIX" 1
echo "Removing stray loop devices containing $COMMON_PREFIX: ${stray_loops[@]}"
for i in "${stray_loops[@]}" ; do test ! -b $i || losetup -d $i || true ; done
# Leave test when udev processed all removed devices
udev_wait
}
}
}
kill_sleep_kill_() {
pidfile=$1
slow=$2
if test -s $pidfile ; then
pid=$(< $pidfile)
rm -f $pidfile
kill -TERM $pid 2>/dev/null || return 0
if test $slow -eq 0 ; then sleep .1 ; else sleep 1 ; fi
kill -KILL $pid 2>/dev/null || true
wait=0
while ps $pid > /dev/null && test $wait -le 10; do
sleep .5
wait=$(($wait + 1))
done
fi
}
print_procs_by_tag_() {
(ps -o pid,args ehax | grep -we"LVM_TEST_TAG=${1:-kill_me_$PREFIX}") || true
}
count_processes_with_tag() {
print_procs_by_tag_ | wc -l
}
kill_tagged_processes() {
local pid
local pids
local wait
# read uses all vars within pipe subshell
print_procs_by_tag_ "$@" | while read -r pid wait; do
if test -n "$pid" ; then
echo "Killing tagged process: $pid ${wait:0:120}..."
kill -TERM $pid 2>/dev/null || true
fi
pids="$pids $pid"
done
# wait if process exited and eventually -KILL
wait=0
for pid in $pids ; do
while ps $pid > /dev/null && test $wait -le 10; do
sleep .2
wait=$(($wait + 1))
done
test $wait -le 10 || kill -KILL $pid 2>/dev/null || true
done
}
teardown() {
echo -n "## teardown..."
unset LVM_LOG_FILE_EPOCH
if test -f TESTNAME ; then
TEST_LEAKED_DEVICES=$(dmsetup table | grep "$PREFIX" | grep -v "${PREFIX}pv") || true
kill_tagged_processes
if test -n "$LVM_TEST_LVMLOCKD_TEST" ; then
echo ""
echo "stopping lvmlockd in teardown"
killall lvmlockd
sleep 1
killall lvmlockd || true
sleep 1
killall -9 lvmlockd || true
fi
kill_sleep_kill_ LOCAL_LVMETAD ${LVM_VALGRIND_LVMETAD:-0}
dm_table | not egrep -q "$vg|$vg1|$vg2|$vg3|$vg4" || {
# Avoid activation of dmeventd if there is no pid
cfg=$(test -s LOCAL_DMEVENTD || echo "--config activation{monitoring=0}")
if echo "$(dm_info suspended,name)" | grep -q "^Suspended:.*$prefix" ; then
echo "Skipping vgremove, suspended devices detected."
else
vgremove -ff $cfg \
$vg $vg1 $vg2 $vg3 $vg4 &>/dev/null || rm -f debug.log strace.log
fi
}
kill_sleep_kill_ LOCAL_LVMDBUSD 0
echo -n .
kill_sleep_kill_ LOCAL_LVMPOLLD ${LVM_VALGRIND_LVMPOLLD:-0}
echo -n .
kill_sleep_kill_ LOCAL_CLVMD ${LVM_VALGRIND_CLVMD:-0}
echo -n .
kill_sleep_kill_ LOCAL_DMEVENTD ${LVM_VALGRIND_DMEVENTD:-0}
echo -n .
test -d "$DM_DEV_DIR/mapper" && teardown_devs
echo -n .
fi
test -z "$TEST_LEAKED_DEVICES" || {
echo "Unexpected devices left dm table:"
echo "$TEST_LEAKED_DEVICES"
return 1
}
test -n "$TESTDIR" && {
cd "$TESTOLDPWD"
rm -rf "$TESTDIR" || echo BLA
}
echo "ok"
test "${LVM_TEST_PARALLEL:-0}" -eq 1 -o -n "$RUNNING_DMEVENTD" || not pgrep dmeventd #&>/dev/null
}
prepare_loop() {
local size=${1=32}
local losetup_params=${@:2}
local i
local slash
test -f LOOP && LOOP=$(< LOOP)
echo -n "## preparing loop device..."
# skip if prepare_scsi_debug_dev() was used
if test -f SCSI_DEBUG_DEV -a -f LOOP ; then
echo "(skipped)"
return 0
fi
test ! -e LOOP
test -n "$DM_DEV_DIR"
for i in 0 1 2 3 4 5 6 7; do
test -e "$DM_DEV_DIR/loop$i" || mknod "$DM_DEV_DIR/loop$i" b 7 $i
done
echo -n .
local LOOPFILE="$PWD/test.img"
rm -f "$LOOPFILE"
dd if=/dev/zero of="$LOOPFILE" bs=$((1024*1024)) count=0 seek=$(($size + 1)) 2> /dev/null
if LOOP=$(losetup ${losetup_params} -s -f "$LOOPFILE" 2>/dev/null); then
:
elif LOOP=$(losetup -f) && losetup ${losetup_params} "$LOOP" "$LOOPFILE"; then
# no -s support
:
else
# no -f support
# Iterate through $DM_DEV_DIR/loop{,/}{0,1,2,3,4,5,6,7}
for slash in '' /; do
for i in 0 1 2 3 4 5 6 7; do
local dev="$DM_DEV_DIR/loop$slash$i"
! losetup "$dev" >/dev/null 2>&1 || continue
# got a free
losetup ${losetup_params} "$dev" "$LOOPFILE"
LOOP=$dev
break
done
test -z "$LOOP" || break
done
fi
test -n "$LOOP" # confirm or fail
BACKING_DEV="$LOOP"
echo "$LOOP" > LOOP
echo "$LOOP" > BACKING_DEV
echo "ok ($LOOP)"
}
# A drop-in replacement for prepare_loop() that uses scsi_debug to create
# a ramdisk-based SCSI device upon which all LVM devices will be created
# - scripts must take care not to use a DEV_SIZE that will enduce OOM-killer
prepare_scsi_debug_dev() {
local DEV_SIZE=$1
local SCSI_DEBUG_PARAMS=${@:2}
local DEBUG_DEV
rm -f debug.log strace.log
test ! -f "SCSI_DEBUG_DEV" || return 0
test -z "$LOOP"
test -n "$DM_DEV_DIR"
# Skip test if scsi_debug module is unavailable or is already in use
modprobe --dry-run scsi_debug || skip
lsmod | not grep -q scsi_debug || skip
# Create the scsi_debug device and determine the new scsi device's name
# NOTE: it will _never_ make sense to pass num_tgts param;
# last param wins.. so num_tgts=1 is imposed
touch SCSI_DEBUG_DEV
modprobe scsi_debug dev_size_mb=$DEV_SIZE $SCSI_DEBUG_PARAMS num_tgts=1 || skip
for i in {1..20} ; do
DEBUG_DEV="/dev/$(grep -H scsi_debug /sys/block/*/device/model | cut -f4 -d /)"
test -b "$DEBUG_DEV" && break
sleep .1 # allow for async Linux SCSI device registration
done
test -b "$DEBUG_DEV" || return 1 # should not happen
# Create symlink to scsi_debug device in $DM_DEV_DIR
SCSI_DEBUG_DEV="$DM_DEV_DIR/$(basename $DEBUG_DEV)"
echo "$SCSI_DEBUG_DEV" > SCSI_DEBUG_DEV
echo "$SCSI_DEBUG_DEV" > BACKING_DEV
# Setting $LOOP provides means for prepare_devs() override
test "$DEBUG_DEV" = "$SCSI_DEBUG_DEV" || ln -snf "$DEBUG_DEV" "$SCSI_DEBUG_DEV"
}
cleanup_scsi_debug_dev() {
teardown_devs
rm -f SCSI_DEBUG_DEV LOOP
}
prepare_md_dev() {
local level=$1
local rchunk=$2
local rdevs=$3
local maj=$(mdadm --version 2>&1) || skip "mdadm tool is missing!"
local mddev
cleanup_md_dev
rm -f debug.log strace.log MD_DEV MD_DEV_PV MD_DEVICES
coption="--chunk"
test "$level" = "1" && coption="--bitmap-chunk"
# Have MD use a non-standard name to avoid colliding with an existing MD device
# - mdadm >= 3.0 requires that non-standard device names be in /dev/md/
# - newer mdadm _completely_ defers to udev to create the associated device node
maj=${maj##*- v}
maj=${maj%%.*}
[ "$maj" -ge 3 ] && \
mddev=/dev/md/md_lvm_test0 || \
mddev=/dev/md_lvm_test0
mdadm --create --metadata=1.0 "$mddev" --auto=md --level $level --bitmap=internal $coption=$rchunk --raid-devices=$rdevs "${@:4}" || {
# Some older 'mdadm' version managed to open and close devices internaly
# and reporting non-exclusive access on such device
# let's just skip the test if this happens.
# Note: It's pretty complex to get rid of consequences
# the following sequence avoid leaks on f19
# TODO: maybe try here to recreate few times....
mdadm --stop "$mddev" || true
udev_wait
mdadm --zero-superblock "${@:4}" || true
udev_wait
skip "Test skipped, unreliable mdadm detected!"
}
test -b "$mddev" || skip "mdadm has not created device!"
# LVM/DM will see this device
case "$DM_DEV_DIR" in
"/dev") readlink -f "$mddev" ;;
*) cp -LR "$mddev" "$DM_DEV_DIR"
echo "$DM_DEV_DIR/md_lvm_test0" ;;
esac > MD_DEV_PV
echo "$mddev" > MD_DEV
notify_lvmetad $(< MD_DEV_PV)
printf "%s\n" "${@:4}" > MD_DEVICES
for mddev in "${@:4}"; do
notify_lvmetad "$mddev"
done
}
cleanup_md_dev() {
test -f MD_DEV || return 0
local IFS=$IFS_NL
local dev=$(< MD_DEV)
udev_wait
mdadm --stop "$dev" || true
test "$DM_DEV_DIR" != "/dev" && rm -f "$DM_DEV_DIR/$(basename $dev)"
notify_lvmetad $(< MD_DEV_PV)
udev_wait # wait till events are process, not zeroing to early
for dev in $(< MD_DEVICES); do
mdadm --zero-superblock "$dev" || true
notify_lvmetad "$dev"
done
udev_wait
if [ -b "$mddev" ]; then
# mdadm doesn't always cleanup the device node
# sleeps offer hack to defeat: 'md: md127 still in use'
# see: https://bugzilla.redhat.com/show_bug.cgi?id=509908#c25
sleep 2
rm -f "$mddev"
fi
rm -f MD_DEV MD_DEVICES MD_DEV_PV
}
prepare_backing_dev() {
if test -f BACKING_DEV; then
BACKING_DEV=$(< BACKING_DEV)
elif test -b "$LVM_TEST_BACKING_DEVICE"; then
BACKING_DEV=$LVM_TEST_BACKING_DEVICE
echo "$BACKING_DEV" > BACKING_DEV
else
prepare_loop "$@"
fi
}
prepare_devs() {
local n=${1:-3}
local devsize=${2:-34}
local pvname=${3:-pv}
local shift=0
# sanlock requires more space for the internal sanlock lv
# This could probably be lower, but what are the units?
if test -n "$LVM_TEST_LOCK_TYPE_SANLOCK" ; then
devsize=1024
fi
touch DEVICES
prepare_backing_dev $(($n*$devsize))
# shift start of PV devices on /dev/loopXX by 1M
not diff LOOP BACKING_DEV >/dev/null 2>&1 || shift=2048
echo -n "## preparing $n devices..."
local size=$(($devsize*2048)) # sectors
local count=0
init_udev_transaction
for i in $(seq 1 $n); do
local name="${PREFIX}$pvname$i"
local dev="$DM_DEV_DIR/mapper/$name"
DEVICES[$count]=$dev
count=$(( $count + 1 ))
echo 0 $size linear "$BACKING_DEV" $((($i-1)*$size + $shift)) > "$name.table"
if not dmsetup create -u "TEST-$name" "$name" "$name.table" &&
test -n "$LVM_TEST_BACKING_DEVICE";
then # maybe the backing device is too small for this test
LVM_TEST_BACKING_DEVICE=
rm -f BACKING_DEV
prepare_devs "$@"
return $?
fi
done
finish_udev_transaction
# non-ephemeral devices need to be cleared between tests
test -f LOOP || for d in ${DEVICES[@]}; do
blkdiscard "$d" 2>/dev/null || true
# ensure disk header is always zeroed
dd if=/dev/zero of="$d" bs=32k count=1
wipefs -a "$d" 2>/dev/null || true
done
#for i in `seq 1 $n`; do
# local name="${PREFIX}$pvname$i"
# dmsetup info -c $name
#done
#for i in `seq 1 $n`; do
# local name="${PREFIX}$pvname$i"
# dmsetup table $name
#done
printf "%s\n" "${DEVICES[@]}" > DEVICES
# ( IFS=$'\n'; echo "${DEVICES[*]}" ) >DEVICES
echo "ok"
for dev in "${DEVICES[@]}"; do
notify_lvmetad "$dev"
done
}
common_dev_() {
local tgtype=$1
local name=${2##*/}
local offsets
local read_ms
local write_ms
case "$tgtype" in
delay)
read_ms=${3:-0}
write_ms=${4:-0}
offsets=${@:5}
if test "$read_ms" -eq 0 -a "$write_ms" -eq 0 ; then
offsets=
else
test -z "${offsets[@]}" && offsets="0:"
fi ;;
error) offsets=${@:3}
test -z "${offsets[@]}" && offsets="0:" ;;
esac
local pos
local size
local type
local pvdev
local offset
read pos size type pvdev offset < "$name.table"
for fromlen in ${offsets[@]}; do
from=${fromlen%%:*}
len=${fromlen##*:}
test -n "$len" || len=$(($size - $from))
diff=$(($from - $pos))
if test $diff -gt 0 ; then
echo "$pos $diff $type $pvdev $(($pos + $offset))"
pos=$(($pos + $diff))
elif test $diff -lt 0 ; then
die "Position error"
fi
case "$tgtype" in
delay)
echo "$from $len delay $pvdev $(($pos + $offset)) $read_ms $pvdev $(($pos + $offset)) $write_ms" ;;
error)
echo "$from $len error" ;;
esac
pos=$(($pos + $len))
done > "$name.devtable"
diff=$(($size - $pos))
test "$diff" -gt 0 && echo "$pos $diff $type $pvdev $(($pos + $offset))" >>"$name.devtable"
init_udev_transaction
dmsetup load "$name" "$name.devtable"
# TODO: add support for resume without udev rescan
dmsetup resume "$name"
finish_udev_transaction
}
# Replace linear PV device with its 'delayed' version
# Could be used to more deterministicaly hit some problems.
# Parameters: {device path} [read delay ms] [write delay ms] [offset:size]...
# Original device is restored when both delay params are 0 (or missing).
# If the size is missing, the remaing portion of device is taken
# i.e. delay_dev "$dev1" 0 200 256:
delay_dev() {
if test ! -f HAVE_DM_DELAY ; then
target_at_least dm-delay 1 1 0 || return 0
fi
touch HAVE_DM_DELAY
common_dev_ delay "$@"
}
disable_dev() {
local dev
local silent
local error
local notify
while test -n "$1"; do
if test "$1" = "--silent"; then
silent=1
shift
elif test "$1" = "--error"; then
error=1
shift
else
break
fi
done
udev_wait
for dev in "$@"; do
maj=$(($(stat -L --printf=0x%t "$dev")))
min=$(($(stat -L --printf=0x%T "$dev")))
echo "Disabling device $dev ($maj:$min)"
notify="$notify $maj:$min"
if test -n "$error"; then
echo 0 10000000 error | dmsetup load "$dev"
dmsetup resume "$dev"
else
dmsetup remove -f "$dev" 2>/dev/null || true
fi
done
test -n "$silent" || for num in $notify; do
notify_lvmetad --major $(echo $num | sed -e "s,:.*,,") \
--minor $(echo $num | sed -e "s,.*:,,")
done
}
enable_dev() {
local dev
local silent
if test "$1" = "--silent"; then
silent=1
shift
fi
rm -f debug.log strace.log
init_udev_transaction
for dev in "$@"; do
local name=$(echo "$dev" | sed -e 's,.*/,,')
dmsetup create -u "TEST-$name" "$name" "$name.table" 2>/dev/null || \
dmsetup load "$name" "$name.table"
# using device name (since device path does not exists yes with udev)
dmsetup resume "$name"
done
finish_udev_transaction
test -n "$silent" || for dev in "$@"; do
notify_lvmetad "$dev"
done
}
#
# Convert device to device with errors
# Takes the list of pairs of error segment from:len
# Original device table is replace with multiple lines
# i.e. error_dev "$dev1" 8:32 96:8
error_dev() {
common_dev_ error "$@"
}
backup_dev() {
local dev
for dev in "$@"; do
dd if="$dev" of="$dev.backup" bs=1024
done
}
restore_dev() {
local dev
for dev in "$@"; do
test -e "$dev.backup" || \
die "Internal error: $dev not backed up, can't restore!"
dd of="$dev" if="$dev.backup" bs=1024
done
}
prepare_pvs() {
prepare_devs "$@"
pvcreate -ff "${DEVICES[@]}"
}
prepare_vg() {
teardown_devs
prepare_devs "$@"
vgcreate -s 512K $vg "${DEVICES[@]}"
}
extend_filter() {
filter=$(grep ^devices/global_filter CONFIG_VALUES | tail -n 1)
for rx in "$@"; do
filter=$(echo $filter | sed -e "s:\[:[ \"$rx\", :")
done
lvmconf "$filter"
}
extend_filter_LVMTEST() {
extend_filter "a|$DM_DEV_DIR/$PREFIX|"
}
hide_dev() {
filter=$(grep ^devices/global_filter CONFIG_VALUES | tail -n 1)
for dev in $@; do
filter=$(echo $filter | sed -e "s:\[:[ \"r|$dev|\", :")
done
lvmconf "$filter"
}
unhide_dev() {
filter=$(grep ^devices/global_filter CONFIG_VALUES | tail -n 1)
for dev in $@; do
filter=$(echo $filter | sed -e "s:\"r|$dev|\", ::")
done
lvmconf "$filter"
}
mkdev_md5sum() {
rm -f debug.log strace.log
mkfs.ext2 "$DM_DEV_DIR/$1/$2" || return 1
md5sum "$DM_DEV_DIR/$1/$2" > "md5.$1-$2"
}
generate_config() {
if test -n "$profile_name"; then
config_values=PROFILE_VALUES_$profile_name
config=PROFILE_$profile_name
touch $config_values
else
config_values=CONFIG_VALUES
config=CONFIG
fi
LVM_TEST_LOCKING=${LVM_TEST_LOCKING:-1}
LVM_TEST_LVMETAD=${LVM_TEST_LVMETAD:-0}
LVM_TEST_LVMPOLLD=${LVM_TEST_LVMPOLLD:-0}
LVM_TEST_LVMLOCKD=${LVM_TEST_LVMLOCKD:-0}
# FIXME:dct: This is harmful! Variables are unused here and are tested not being empty elsewhere:
#LVM_TEST_LOCK_TYPE_SANLOCK=${LVM_TEST_LOCK_TYPE_SANLOCK:-0}
#LVM_TEST_LOCK_TYPE_DLM=${LVM_TEST_LOCK_TYPE_DLM:-0}
if test "$DM_DEV_DIR" = "/dev"; then
LVM_VERIFY_UDEV=${LVM_VERIFY_UDEV:-0}
else
LVM_VERIFY_UDEV=${LVM_VERIFY_UDEV:-1}
fi
test -f "$config_values" || {
cat > "$config_values" <<-EOF
activation/checks = 1
activation/monitoring = 0
activation/polling_interval = 1
activation/retry_deactivation = 1
activation/snapshot_autoextend_percent = 50
activation/snapshot_autoextend_threshold = 50
activation/udev_rules = 1
activation/udev_sync = 1
activation/verify_udev_operations = $LVM_VERIFY_UDEV
allocation/wipe_signatures_when_zeroing_new_lvs = 0
backup/archive = 0
backup/backup = 0
devices/cache_dir = "$TESTDIR/etc"
devices/default_data_alignment = 1
devices/dir = "$DM_DEV_DIR"
devices/filter = "a|.*|"
devices/global_filter = [ "a|$DM_DEV_DIR/mapper/.*pv[0-9_]*$|", "r|.*|" ]
devices/md_component_detection = 0
devices/scan = "$DM_DEV_DIR"
devices/sysfs_scan = 1
devices/write_cache_state = 0
global/abort_on_internal_errors = 1
global/cache_check_executable = "$LVM_TEST_CACHE_CHECK_CMD"
global/cache_dump_executable = "$LVM_TEST_CACHE_DUMP_CMD"
global/cache_repair_executable = "$LVM_TEST_CACHE_REPAIR_CMD"
global/detect_internal_vg_cache_corruption = 1
global/fallback_to_local_locking = 0
global/library_dir = "$TESTDIR/lib"
global/locking_dir = "$TESTDIR/var/lock/lvm"
global/locking_type=$LVM_TEST_LOCKING
global/notify_dbus = 0
global/si_unit_consistency = 1
global/thin_check_executable = "$LVM_TEST_THIN_CHECK_CMD"
global/thin_dump_executable = "$LVM_TEST_THIN_DUMP_CMD"
global/thin_repair_executable = "$LVM_TEST_THIN_REPAIR_CMD"
global/use_lvmetad = $LVM_TEST_LVMETAD
global/use_lvmpolld = $LVM_TEST_LVMPOLLD
global/use_lvmlockd = $LVM_TEST_LVMLOCKD
log/activation = 1
log/file = "$TESTDIR/debug.log"
log/indent = 1
log/level = 9
log/overwrite = 1
log/syslog = 0
log/verbose = 0
EOF
}
local v
for v in "$@"; do
echo "$v"
done >> "$config_values"
declare -A CONF 2>/dev/null || {
# Associative arrays is not available
local s
for s in $(cut -f1 -d/ "$config_values" | sort | uniq); do
echo "$s {"
local k
for k in $(grep ^"$s"/ "$config_values" | cut -f1 -d= | sed -e 's, *$,,' | sort | uniq); do
grep "^$k" "$config_values" | tail -n 1 | sed -e "s,^$s/, ,"
done
echo "}"
echo
done | tee "$config" | sed -e "s,^,## LVMCONF: ,"
return 0
}
local sec
local last_sec
# read sequential list and put into associative array
while IFS=$IFS_NL read -r v; do
# trim white-space-chars via echo when inserting
CONF[$(echo ${v%%[={]*})]=${v#*/}
done < "$config_values"
# sort by section and iterate through them
printf "%s\n" ${!CONF[@]} | sort | while read -r v ; do
sec=${v%%/*} # split on section'/'param_name
test "$sec" = "$last_sec" || {
test -z "$last_sec" || echo "}"
echo "$sec {"
last_sec=$sec
}
echo " ${CONF[$v]}"
done > "$config"
echo "}" >> "$config"
sed -e "s,^,## LVMCONF: ," "$config"
}
lvmconf() {
unset profile_name
generate_config "$@"
mv -f CONFIG etc/lvm.conf
}
profileconf() {
profile_name="$1"
shift
generate_config "$@"
mkdir -p etc/profile
mv -f "PROFILE_$profile_name" "etc/profile/$profile_name.profile"
}
prepare_profiles() {
mkdir -p etc/profile
for profile_name in $@; do
test -L "lib/$profile_name.profile" || skip
cp "lib/$profile_name.profile" "etc/profile/$profile_name.profile"
done
}
apitest() {
test -x "$TESTOLDPWD/api/$1.t" || skip
"$TESTOLDPWD/api/$1.t" "${@:2}" && rm -f debug.log strace.log
}
mirror_recovery_works() {
case "$(uname -r)" in
3.3.4-5.fc17.i686|3.3.4-5.fc17.x86_64) return 1 ;;
esac
}
raid456_replace_works() {
# The way kmem_cache aliasing is done in the kernel is broken.
# It causes RAID 4/5/6 tests to fail.
#
# The problem with kmem_cache* is this:
# *) Assume CONFIG_SLUB is set
# 1) kmem_cache_create(name="foo-a")
# - creates new kmem_cache structure
# 2) kmem_cache_create(name="foo-b")
# - If identical cache characteristics, it will be merged with the previously
# created cache associated with "foo-a". The cache's refcount will be
# incremented and an alias will be created via sysfs_slab_alias().
# 3) kmem_cache_destroy(<ptr>)
# - Attempting to destroy cache associated with "foo-a", but instead the
# refcount is simply decremented. I don't even think the sysfs aliases are
# ever removed...
# 4) kmem_cache_create(name="foo-a")
# - This FAILS because kmem_cache_sanity_check colides with the existing
# name ("foo-a") associated with the non-removed cache.
#
# This is a problem for RAID (specifically dm-raid) because the name used
# for the kmem_cache_create is ("raid%d-%p", level, mddev). If the cache
# persists for long enough, the memory address of an old mddev will be
# reused for a new mddev - causing an identical formulation of the cache
# name. Even though kmem_cache_destory had long ago been used to delete
# the old cache, the merging of caches has cause the name and cache of that
# old instance to be preserved and causes a colision (and thus failure) in
# kmem_cache_create(). I see this regularly in testing the following
# kernels:
#
# This seems to be finaly resolved with this patch:
# http://www.redhat.com/archives/dm-devel/2014-March/msg00008.html
# so we need to put here exlusion for kernes which do trace SLUB
#
case "$(uname -r)" in
3.6.*.fc18.i686*|3.6.*.fc18.x86_64) return 1 ;;
3.9.*.fc19.i686*|3.9.*.fc19.x86_64) return 1 ;;
3.1[0123].*.fc18.i686*|3.1[0123].*.fc18.x86_64) return 1 ;;
3.1[01234].*.fc19.i686*|3.1[01234].*.fc19.x86_64) return 1 ;;
3.1[123].*.fc20.i686*|3.1[123].*.fc20.x86_64) return 1 ;;
3.14.*.fc21.i686*|3.14.*.fc21.x86_64) return 1 ;;
3.15.*rc6*.fc21.i686*|3.15.*rc6*.fc21.x86_64) return 1 ;;
3.16.*rc4*.fc21.i686*|3.16.*rc4*.fc21.x86_64) return 1 ;;
esac
}
#
# Some 32bit kernel cannot pass some erroring magic which forces
# thin-pool to be falling into Error state.
#
# Skip test on such kernels (see: https://bugzilla.redhat.com/1310661)
#
thin_pool_error_works_32() {
case "$(uname -r)" in
2.6.32-618.*.i686) return 1 ;;
2.6.32-623.*.i686) return 1 ;;
2.6.32-573.1[28].1.el6.i686) return 1 ;;
esac
}
udev_wait() {
pgrep udev >/dev/null || return 0
which udevadm &>/dev/null || return 0
if test -n "$1" ; then
udevadm settle --exit-if-exists="$1" || true
else
udevadm settle --timeout=15 || true
fi
}
# wait_for_sync <VG/LV>
wait_for_sync() {
local i
for i in {1..100} ; do
check in_sync $1 $2 && return
sleep .2
done
echo "Sync is taking too long - assume stuck"
return 1
}
# Check if tests are running on 64bit architecture
can_use_16T() {
test "$(getconf LONG_BIT)" -eq 64
}
# Check if major.minor.revision' string is 'at_least'
version_at_least() {
local major
local minor
local revision
IFS=".-" read -r major minor revision <<< "$1"
shift
test -z "$1" && return 0
test -n "$major" || return 1
test "$major" -gt "$1" && return 0
test "$major" -eq "$1" || return 1
test -z "$2" && return 0
test -n "$minor" || return 1
test "$minor" -gt "$2" && return 0
test "$minor" -eq "$2" || return 1
test -z "$3" && return 0
test "$revision" -ge "$3" 2>/dev/null || return 1
}
#
# Check wheter kernel [dm module] target exist
# at least in expected version
#
# [dm-]target-name major minor revision
#
# i.e. dm_target_at_least dm-thin-pool 1 0
target_at_least() {
rm -f debug.log strace.log
case "$1" in
dm-*) modprobe "$1" || true ;;
esac
if test "$1" = dm-raid; then
case "$(uname -r)" in
3.12.0*) return 1 ;;
esac
fi
local version=$(dmsetup targets 2>/dev/null | grep "${1##dm-} " 2>/dev/null)
version=${version##* v}
version_at_least "$version" "${@:2}" || {
echo "Found $1 version $version, but requested ${*:2}." >&2
return 1
}
}
# Check whether the kernel driver version is greater or equal
# to the specified version. This can be used to skip tests on
# kernels where they are known to not be supported.
#
# e.g. driver_at_least 4 33
#
driver_at_least() {
local version=$(dmsetup version | tail -1 2>/dev/null)
version=${version##*:}
version_at_least "$version" "$@" || {
echo "Found driver version $version, but requested $@." >&2
return 1
}
}
have_thin() {
test "$THIN" = shared -o "$THIN" = internal || {
echo "Thin is not built-in." >&2
return 1;
}
target_at_least dm-thin-pool "$@"
declare -a CONF
# disable thin_check if not present in system
if test -n "$LVM_TEST_THIN_CHECK_CMD" -a ! -x "$LVM_TEST_THIN_CHECK_CMD" ; then
CONF[0]="global/thin_check_executable = \"\""
fi
if test -n "$LVM_TEST_THIN_DUMP_CMD" -a ! -x "$LVM_TEST_THIN_DUMP_CMD" ; then
CONF[1]="global/thin_dump_executable = \"\""
fi
if test -n "$LVM_TEST_THIN_REPAIR_CMD" -a ! -x "$LVM_TEST_THIN_REPAIR_CMD" ; then
CONF[2]="global/thin_repair_executable = \"\""
fi
if test ${#CONF[@]} -ne 0 ; then
echo "TEST WARNING: Reconfiguring ${CONF[@]}"
lvmconf "${CONF[@]}"
fi
}
have_raid() {
test "$RAID" = shared -o "$RAID" = internal || {
echo "Raid is not built-in." >&2
return 1;
}
target_at_least dm-raid "$@"
# some kernels have broken mdraid bitmaps, don't use them!
# may oops kernel, we know for sure all FC24 are currently broken
# in general any 4.1, 4.2 is likely useless unless patched
case "$(uname -r)" in
4.[12].*fc24*) return 1 ;;
esac
}
have_raid4 () {
local r=1
have_raid 1 8 0 && r=0
have_raid 1 9 1 && r=1
return $r
}
have_cache() {
test "$CACHE" = shared -o "$CACHE" = internal || {
echo "Cache is not built-in." >&2
return 1;
}
target_at_least dm-cache "$@"
declare -a CONF
# disable cache_check if not present in system
if test -n "$LVM_TEST_CACHE_CHECK_CMD" -a ! -x "$LVM_TEST_CACHE_CHECK_CMD" ; then
CONF[0]="global/cache_check_executable = \"\""
fi
if test -n "$LVM_TEST_CACHE_DUMP_CMD" -a ! -x "$LVM_TEST_CACHE_DUMP_CMD" ; then
CONF[1]="global/cache_dump_executable = \"\""
fi
if test -n "$LVM_TEST_CACHE_REPAIR_CMD" -a ! -x "$LVM_TEST_CACHE_REPAIR_CMD" ; then
CONF[2]="global/cache_repair_executable = \"\""
fi
if test ${#CONF[@]} -ne 0 ; then
echo "TEST WARNING: Reconfiguring ${CONF[@]}"
lvmconf "${CONF[@]}"
fi
}
have_tool_at_least() {
local version=$($1 -V 2>/dev/null)
version=${version%%-*}
shift
version_at_least "$version" "$@"
}
# check if lvm shell is build-in (needs readline)
have_readline() {
echo version | lvm &>/dev/null
}
dmsetup_wrapped() {
udev_wait
dmsetup "$@"
}
awk_parse_init_count_in_lvmpolld_dump() {
printf '%s' \
\
$'BEGINFILE { x=0; answ=0; FS="="; key="[[:space:]]*"vkey }' \
$'{' \
$'if (/.*{$/) { x++ }' \
$'else if (/.*}$/) { x-- }' \
$'else if ( x == 2 && $1 ~ key) { value=substr($2, 2); value=substr(value, 1, length(value) - 1); }' \
$'if ( x == 2 && value == vvalue && $1 ~ /[[:space:]]*init_requests_count/) { answ=$2 }' \
$'if (answ > 0) { exit 0 }' \
$'}' \
$'END { printf "%d", answ }'
}
check_lvmpolld_init_rq_count() {
local ret=$(awk -v vvalue="$2" -v vkey=${3:-lvname} "$(awk_parse_init_count_in_lvmpolld_dump)" lvmpolld_dump.txt)
test $ret -eq $1 || {
echo "check_lvmpolld_init_rq_count failed. Expected $1, got $ret"
return 1
}
}
wait_pvmove_lv_ready() {
# given sleep .1 this is about 60 secs of waiting
local retries=${2:-300}
if [ -e LOCAL_LVMPOLLD ]; then
local lvid
while : ; do
test $retries -le 0 && die "Waiting for lvmpolld timed out"
test -n "$lvid" || {
lvid=$(get lv_field ${1//-/\/} vg_uuid,lv_uuid -a 2>/dev/null)
lvid=${lvid//\ /}
lvid=${lvid//-/}
}
test -z "$lvid" || {
lvmpolld_dump > lvmpolld_dump.txt
! check_lvmpolld_init_rq_count 1 $lvid lvid || break;
}
sleep .1
retries=$((retries-1))
done
else
while : ; do
test $retries -le 0 && die "Waiting for pvmove LV to get activated has timed out"
dmsetup info -c -o tables_loaded $1 > out 2>/dev/null|| true;
not grep Live out >/dev/null || break
sleep .1
retries=$((retries-1))
done
fi
}
# return total memory size in kB units
total_mem() {
while IFS=":" read -r a b ; do
case "$a" in MemTotal*) echo ${b%% kB} ; break ;; esac
done < /proc/meminfo
}
kernel_at_least() {
version_at_least "$(uname -r)" "$@"
}
test -z "$LVM_TEST_AUX_TRACE" || set -x
test -f DEVICES && devs=$(< DEVICES)
if test "$1" = dmsetup; then
shift
dmsetup_wrapped "$@"
else
"$@"
fi
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