mirror of
git://sourceware.org/git/lvm2.git
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308 lines
8.1 KiB
Bash
308 lines
8.1 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2011-2012 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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set -e
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MAX_TRIES=4
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IFS_NL='
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'
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die() {
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rm -f debug.log*
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echo -e "$@" >&2
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return 1
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}
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rand_bytes() {
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n=$1
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chars="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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dev_rand="/dev/urandom"
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if test -r "$dev_rand"; then
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# Note: 256-length($chars) == 194; 3 copies of $chars is 186 + 8 = 194.
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head -c"$n" "$dev_rand" | tr -c "$chars" "01234567$chars$chars$chars"
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return
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fi
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cmds='date; date +%N; free; who -a; w; ps auxww; ps ef; netstat -n'
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data=$( (eval "$cmds") 2>&1 | gzip )
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n_plus_50=$(( n + 50 ))
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# Ensure that $data has length at least 50+$n
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while :; do
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len=${#data} # number of chars in $data
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test "$n_plus_50" -le "$len" && break;
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data=$( (echo "$data"; eval "$cmds") 2>&1 | gzip )
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done
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echo "$data" | dd bs=1 skip=50 count="$n" 2>/dev/null \
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| tr -c "$chars" "01234567$chars$chars$chars"
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}
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mkdtemp() {
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case $# in
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2) ;;
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*) die "Usage: mkdtemp DIR TEMPLATE";;
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esac
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destdir=$1
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template=$2
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test -d "$destdir" || die "DIR ('$destdir') does not exist."
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case "$template" in
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*XXXX) ;;
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*) die "Invalid template: $template (must have a suffix of at least 4 X's)";;
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esac
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fail=0
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# First, try to use mktemp.
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d=$(env -u TMPDIR mktemp -d -t -p "$destdir" "$template" 2>/dev/null) || fail=1
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# The resulting name must be in the specified directory.
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case "$d" in "${destdir}"*);; *) fail=1;; esac
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# It must have created the directory.
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test -d "$d" || fail=1
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# It must have 0700 permissions.
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perms=$(ls -dgo "$d" 2>/dev/null) || fail=1
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case "$perms" in drwx------*) ;; *) fail=1;; esac
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test $fail = 0 && { echo "$d"; return; }
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# If we reach this point, we'll have to create a directory manually.
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# Get a copy of the template without its suffix of X's.
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base_template=$(echo "$template" | sed 's/XX*$//')
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# Calculate how many X's we've just removed.
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nx=$(( ${#template} - ${#base_template} ))
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err=
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i=1
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while :; do
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X=$(rand_bytes "$nx")
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candidate_dir="$destdir/$base_template$X"
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err=$(mkdir -m 0700 "$candidate_dir" 2>&1) && \
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{ echo "$candidate_dir"; return; }
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test $MAX_TRIES -le $i && break;
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i=$(( i + 1 ))
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done
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die "$err"
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}
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# Like grep, just always print 1st. line
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grep1_() {
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awk -v pattern="${1}" 'NR==1 || $0~pattern' "${@:2}"
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}
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stacktrace() {
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trap - ERR
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# i=1 - ignoring innermost frame - it is always stacktrace function
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local i=1 n=${#BASH_LINENO[*]}
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# n-=1 - ignoring last frame as well - it is not interesting
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n=$(( n - 1 ))
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echo "## - $0:${BASH_LINENO[$((n-1))]}"
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while [[ $i -lt $n ]]; do
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echo "## $i ${FUNCNAME[$i]}() called from ${BASH_SOURCE[$((i+1))]}:${BASH_LINENO[$i]}"
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i=$(( i + 1 ))
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done
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}
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STACKTRACE() {
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trap - ERR
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local i
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stacktrace
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test "${LVM_TEST_PARALLEL:-0}" -eq 0 && test -z "$RUNNING_DMEVENTD" && \
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test ! -f LOCAL_DMEVENTD && pgrep dmeventd >DPID 2>/dev/null && {
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echo "## ERROR: The test started dmeventd ($(< DPID)) unexpectedly."
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kill "$(< DPID)"
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}
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# Get backtraces from coredumps
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if which gdb &>/dev/null; then
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# Check for all cores newer then TESTNAME file
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# Assume users keep prefix 'core'
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# TODO: possibly better integrate with coredumpctl & systemd
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while IFS= read -r i; do
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bin=$(gdb -batch -c "$i" 2>&1 | grep "generated by" | \
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sed -e "s,.*generated by \`\([^ ']*\).*,\1,") || continue
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{
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echo bt full
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echo l
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echo quit
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} > gdb_commands.txt || rm -f gdb_commands.txt
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if test ! -s gdb_commands.txt ; then
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echo "Out of disk space, can't check coredump $i generated by $bin."
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continue
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fi
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echo "## Checking coredump: $i generated by $bin."
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gdb -batch -c "$i" -x gdb_commands.txt "$(which "$bin")" 2>/dev/null | \
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sed -e "s,^,## GDB: ," || continue
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done < <(find . "$(dirname "$(sysctl -n kernel.core_pattern)")" \
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"/var/lib/systemd/coredump/" -name 'core*' -newer TESTNAME 2>/dev/null || true)
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fi
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test -f SKIP_THIS_TEST && exit 200
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test -z "$LVM_TEST_NODEBUG" && test -f TESTNAME && {
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local name
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local idx=0
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for i in debug.log* ; do
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test -f "$i" || break # nothing is found (expands to debug.log*)
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name=${i##debug.log_}
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name=${name%%_*}
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test "$name" = "DEBUG" && { name="$name$idx" ; idx=$(( idx + 1 )) ; }
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echo "<======== Debug log $i ========>"
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sed -e "s,^,## $name: ," "$i"
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mv -f "$i" "debug_${i#debug.}"
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done
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if test -e strace.log ; then
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echo "<======== Strace debug log ========>"
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sed -e "s,^,## STRACE: ," strace.log
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fi
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if dmsetup info -c | grep -q "$PREFIX" ; then
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echo "<======== Info ========>"
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dmsetup info -c | grep1_ "$PREFIX"| sed -e "s,^,## DMINFO: ,"
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echo "<======== Active table ========>"
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dmsetup table | grep "$PREFIX" | sed -e "s,^,## DMTABLE: ,"
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echo "<======== Inactive table ========>"
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dmsetup table --inactive | grep "$PREFIX" | sed -e "s,^,## DMITABLE: ,"
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echo "<======== Status ========>"
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dmsetup status --noflush | grep "$PREFIX" | sed -e "s,^,## DMSTATUS: ,"
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echo "<======== Tree ========>"
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dmsetup ls --tree | sed -e "s,^,## DMTREE: ,"
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echo "<======== Recursive list of $DM_DEV_DIR ========>"
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ls -Rl --hide=shm --hide=bus --hide=snd --hide=input --hide=dri \
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--hide=net --hide=hugepages --hide=mqueue --hide=pts \
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"$DM_DEV_DIR" | sed -e "s,^,## LSLR: ,"
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echo "<======== Udev DB content ========>"
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for i in /sys/block/dm-* /sys/block/loop* ; do
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udevadm info --query=all --path "$i" 2>/dev/null || true
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done | sed -e "s,^,## UDEV: ,"
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fi
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echo "<======== Script file \"$(< TESTNAME)\" ========>"
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local script=$0
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test -f "$script" || script="$TESTOLDPWD/$0"
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awk '{print "## Line:", NR, "\t", $0}' "$script"
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}
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}
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init_udev_transaction() {
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if test "$DM_UDEV_SYNCHRONISATION" = 1; then
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local cookie
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cookie=$(dmsetup udevcreatecookie)
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# Cookie is not generated if udev is not running!
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test -z "$cookie" || export DM_UDEV_COOKIE=$cookie
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fi
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}
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finish_udev_transaction() {
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if test "$DM_UDEV_SYNCHRONISATION" = 1 && test -n "${DM_UDEV_COOKIE-}" ; then
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dmsetup udevreleasecookie || true
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unset DM_UDEV_COOKIE
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fi
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}
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teardown_udev_cookies() {
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if test "$DM_UDEV_SYNCHRONISATION" = 1; then
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# Delete any cookies created more than 10 minutes ago
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# and not used in the last 10 minutes.
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# Log only non-zero semaphores count
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(dmsetup udevcomplete_all -y 10 | grep -v "^0 ") || true
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fi
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}
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dm_info() {
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should dmsetup info --noheadings -c -o "$@"
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}
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dm_status() {
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should dmsetup status --noheadings "$@"
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}
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dm_table() {
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should dmsetup table "$@"
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}
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skip() {
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set +vx # debug off
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if test "$#" -eq 0; then
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stacktrace
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else
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echo -e "TEST SKIPPED:" "$@"
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fi
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touch SKIP_THIS_TEST
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exit 200
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}
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get_real_devs() {
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REAL_DEVICES=( $(<REAL_DEVICES) )
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export REAL_DEVICES
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}
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get_devs() {
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local IFS=$IFS_NL
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DEVICES=( $(<DEVICES) )
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export DEVICES
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# local DEVS=( $(<DEVICES) )
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# eval "$1"'=("${DEVS[@]}")'
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}
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prepare_test_vars() {
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vg="${PREFIX}vg"
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lv="LV"
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for i in {1..16}; do
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eval "lv$i=\"LV$i\""
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eval "vg$i=\"${PREFIX}vg$i\""
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done
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if test -n "$LVM_TEST_DEVICE_LIST"; then
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local count=0
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while read path; do
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count=$(( count + 1 ))
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eval "dev$count=\"$path\""
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done < "$LVM_TEST_DEVICE_LIST"
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else
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for i in {1..16}; do
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eval "dev$i=\"$DM_DEV_DIR/mapper/${PREFIX}pv$i\""
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done
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fi
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}
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if test -z "${abs_top_builddir+varset}" && test -z "${installed_testsuite+varset}"; then
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. lib/paths || die "something went wrong -- lib/paths is missing?"
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fi
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if test -z "${installed_testsuite+varset}"; then
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case "$PATH" in
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*"$abs_top_builddir/test/lib"*) ;;
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*)
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PATH="$abs_top_builddir/test/lib:$abs_top_builddir/test/api:$PATH"
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LVM_BINARY=$(which lvm)
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LD_LIBRARY_PATH=$(find -L "$abs_top_builddir/libdm/" "$abs_top_builddir/tools/"\
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"$abs_top_builddir/daemons/" \
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-name "*.so" -printf "%h:")"$LD_LIBRARY_PATH"
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export PATH LD_LIBRARY_PATH LVM_BINARY ;;
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esac
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fi
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test -z "$PREFIX" || prepare_test_vars
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