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mirror of git://sourceware.org/git/lvm2.git synced 2024-12-21 13:34:40 +03:00
lvm2/test/lib/utils.sh
Zdenek Kabelac 85fb46d8a6 tests: reduce paths added to LD_LIBRARY_PATH
Add only stricly needed paths to compiled .so objects.
2023-07-12 15:18:38 +02:00

311 lines
8.2 KiB
Bash

#!/usr/bin/env bash
# Copyright (C) 2011-2012 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
set -e
MAX_TRIES=4
IFS_NL='
'
die() {
rm -f debug.log*
echo -e "$@" >&2
return 1
}
rand_bytes() {
n=$1
chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
dev_rand="/dev/urandom"
if test -r "$dev_rand"; then
# Note: 256-length($chars) == 194; 3 copies of $chars is 186 + 8 = 194.
head -c"$n" "$dev_rand" | tr -c "$chars" "01234567$chars$chars$chars"
return
fi
cmds='date; date +%N; free; who -a; w; ps auxww; ps ef; netstat -n'
data=$( (eval "$cmds") 2>&1 | gzip )
n_plus_50=$(( n + 50 ))
# Ensure that $data has length at least 50+$n
while :; do
len=${#data} # number of chars in $data
test "$n_plus_50" -le "$len" && break;
data=$( (echo "$data"; eval "$cmds") 2>&1 | gzip )
done
echo "$data" | dd bs=1 skip=50 count="$n" 2>/dev/null \
| tr -c "$chars" "01234567$chars$chars$chars"
}
mkdtemp() {
case $# in
2) ;;
*) die "Usage: mkdtemp DIR TEMPLATE";;
esac
destdir=$1
template=$2
test -d "$destdir" || die "DIR ('$destdir') does not exist."
case "$template" in
*XXXX) ;;
*) die "Invalid template: $template (must have a suffix of at least 4 X's)";;
esac
fail=0
# First, try to use mktemp.
d=$(env -u TMPDIR mktemp -d -t -p "$destdir" "$template" 2>/dev/null) || fail=1
# The resulting name must be in the specified directory.
case "$d" in "${destdir}"*);; *) fail=1;; esac
# It must have created the directory.
test -d "$d" || fail=1
# It must have 0700 permissions.
perms=$(ls -dgo "$d" 2>/dev/null) || fail=1
case "$perms" in drwx------*) ;; *) fail=1;; esac
test $fail = 0 && { echo "$d"; return; }
# If we reach this point, we'll have to create a directory manually.
# Get a copy of the template without its suffix of X's.
base_template=$(echo "$template" | sed 's/XX*$//')
# Calculate how many X's we've just removed.
nx=$(( ${#template} - ${#base_template} ))
err=
i=1
while :; do
X=$(rand_bytes "$nx")
candidate_dir="$destdir/$base_template$X"
err=$(mkdir -m 0700 "$candidate_dir" 2>&1) && \
{ echo "$candidate_dir"; return; }
test $MAX_TRIES -le $i && break;
i=$(( i + 1 ))
done
die "$err"
}
# Like grep, just always print 1st. line
grep1_() {
awk -v pattern="${1}" 'NR==1 || $0~pattern' "${@:2}"
}
stacktrace() {
trap - ERR
# i=1 - ignoring innermost frame - it is always stacktrace function
local i=1 n=${#BASH_LINENO[*]}
# n-=1 - ignoring last frame as well - it is not interesting
n=$(( n - 1 ))
echo "## - $0:${BASH_LINENO[$((n-1))]}"
while [[ $i -lt $n ]]; do
echo "## $i ${FUNCNAME[$i]}() called from ${BASH_SOURCE[$((i+1))]}:${BASH_LINENO[$i]}"
i=$(( i + 1 ))
done
}
STACKTRACE() {
trap - ERR
local i
stacktrace
test "${LVM_TEST_PARALLEL:-0}" -eq 0 && test -z "$RUNNING_DMEVENTD" && \
test ! -f LOCAL_DMEVENTD && pgrep dmeventd >DPID 2>/dev/null && {
echo "## ERROR: The test started dmeventd ($(< DPID)) unexpectedly."
kill "$(< DPID)"
}
# Get backtraces from coredumps
if which gdb &>/dev/null; then
# Check for all cores newer then TESTNAME file
# Assume users keep prefix 'core'
# TODO: possibly better integrate with coredumpctl & systemd
while IFS= read -r i; do
bin=$(gdb -batch -c "$i" 2>&1 | grep "generated by" | \
sed -e "s,.*generated by \`\([^ ']*\).*,\1,") || continue
{
echo bt full
echo l
echo quit
} > gdb_commands.txt || rm -f gdb_commands.txt
if test ! -s gdb_commands.txt ; then
echo "Out of disk space, can't check coredump $i generated by $bin."
continue
fi
echo "## Checking coredump: $i generated by $bin."
gdb -batch -c "$i" -x gdb_commands.txt "$(which "$bin")" 2>/dev/null | \
sed -e "s,^,## GDB: ," || continue
done < <(find . "$(dirname "$(sysctl -n kernel.core_pattern)")" \
"/var/lib/systemd/coredump/" -name 'core*' -newer TESTNAME 2>/dev/null || true)
fi
test -f SKIP_THIS_TEST && exit 200
test -z "$LVM_TEST_NODEBUG" && test -f TESTNAME && {
local name
local idx=0
for i in debug.log* ; do
test -f "$i" || break # nothing is found (expands to debug.log*)
name=${i##debug.log_}
name=${name%%_*}
test "$name" = "DEBUG" && { name="$name$idx" ; idx=$(( idx + 1 )) ; }
echo "<======== Debug log $i ========>"
sed -e "s,^,## $name: ," "$i"
mv -f "$i" "debug_${i#debug.}"
done
if test -e strace.log ; then
echo "<======== Strace debug log ========>"
sed -e "s,^,## STRACE: ," strace.log
fi
if dmsetup info -c | grep -q "$PREFIX" ; then
echo "<======== Info ========>"
dmsetup info -c | grep1_ "$PREFIX"| sed -e "s,^,## DMINFO: ,"
echo "<======== Active table ========>"
dmsetup table | grep "$PREFIX" | sed -e "s,^,## DMTABLE: ,"
echo "<======== Inactive table ========>"
dmsetup table --inactive | grep "$PREFIX" | sed -e "s,^,## DMITABLE: ,"
echo "<======== Status ========>"
dmsetup status --noflush | grep "$PREFIX" | sed -e "s,^,## DMSTATUS: ,"
echo "<======== Tree ========>"
dmsetup ls --tree | sed -e "s,^,## DMTREE: ,"
echo "<======== Recursive list of $DM_DEV_DIR ========>"
ls -lR -I bsg -I bus -I char -Idma_heap -I dri \
-I hugepages -I input -I mqueue \
-I net -I pts -I shm -I snd \
-I tty?* -I usb -I vfio -I vcs?* \
-I virtio-ports \
"$DM_DEV_DIR" | sed -e "s,^,## LS_LR: ,"
echo "<======== Udev DB content ========>"
for i in /sys/block/dm-* /sys/block/loop* ; do
udevadm info --query=all --path "$i" 2>/dev/null || true
done | sed -e "s,^,## UDEV: ,"
fi
echo "<======== Free space ========>"
df -h | sed -e "s,^,## DF_H: ,"
echo "<======== Script file \"$(< TESTNAME)\" ========>"
local script=$0
test -f "$script" || script="$TESTOLDPWD/$0"
awk '{print "## Line:", NR, "\t", $0}' "$script"
}
}
init_udev_transaction() {
if test "$DM_UDEV_SYNCHRONIZATION" = 1; then
local cookie
cookie=$(dmsetup udevcreatecookie)
# Cookie is not generated if udev is not running!
test -z "$cookie" || export DM_UDEV_COOKIE=$cookie
fi
}
finish_udev_transaction() {
if test "$DM_UDEV_SYNCHRONIZATION" = 1 && test -n "${DM_UDEV_COOKIE-}" ; then
dmsetup udevreleasecookie || true
unset DM_UDEV_COOKIE
fi
}
teardown_udev_cookies() {
if test "$DM_UDEV_SYNCHRONIZATION" = 1; then
# Delete any cookies created more than 10 minutes ago
# and not used in the last 10 minutes.
# Log only non-zero semaphores count
(dmsetup udevcomplete_all -y 10 | grep -v "^0 ") || true
fi
}
dm_info() {
should dmsetup info --noheadings -c -o "$@"
}
dm_status() {
should dmsetup status --noheadings "$@"
}
dm_table() {
should dmsetup table "$@"
}
skip() {
set +vx # debug off
if test "$#" -eq 0; then
stacktrace
else
echo -e "TEST SKIPPED:" "$@"
fi
touch SKIP_THIS_TEST
exit 200
}
get_real_devs() {
REAL_DEVICES=( $(<REAL_DEVICES) )
export REAL_DEVICES
}
get_devs() {
local IFS=$IFS_NL
DEVICES=( $(<DEVICES) )
export DEVICES
# local DEVS=( $(<DEVICES) )
# eval "$1"'=("${DEVS[@]}")'
}
prepare_test_vars() {
vg="${PREFIX}vg"
lv="LV"
for i in {1..16}; do
eval "lv$i=\"LV$i\""
eval "vg$i=\"${PREFIX}vg$i\""
done
if test -n "$LVM_TEST_DEVICE_LIST"; then
local count=0
while read path; do
count=$(( count + 1 ))
eval "dev$count=\"$path\""
done < "$LVM_TEST_DEVICE_LIST"
else
for i in {1..16}; do
eval "dev$i=\"$DM_DEV_DIR/mapper/${PREFIX}pv$i\""
done
fi
}
if test -z "${abs_top_builddir+varset}" && test -z "${installed_testsuite+varset}"; then
. lib/paths || die "something went wrong -- lib/paths is missing?"
fi
if test -z "${installed_testsuite+varset}"; then
case "$PATH" in
*"$abs_top_builddir/test/lib"*) ;;
*)
PATH="$abs_top_builddir/test/lib:$abs_top_builddir/test/api:$PATH"
LVM_BINARY=$(which lvm)
LD_LIBRARY_PATH="$abs_top_builddir/daemons/dmeventd:$abs_top_builddir/tools:$abs_top_builddir/libdm:$LD_LIBRARY_PATH"
export PATH LD_LIBRARY_PATH LVM_BINARY ;;
esac
fi
test -z "$PREFIX" || prepare_test_vars