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|
#!/bin/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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
set -e
MAX_TRIES=4
IFS_NL='
'
die() {
echo "$@" >&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 "$cmds") 2>&1 | gzip )
n_plus_50=$(expr $n + 50)
# Ensure that $data has length at least 50+$n
while :; do
len=$(echo "$data" | wc -c)
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=$2
case "$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*$//')
# Calculate how many X's we've just removed.
nx=$(expr length "$template" - length "$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 $i && break;
i=$(expr $i + 1)
done
die "$err"
}
STACKTRACE() {
trap - ERR
local i=0
echo "## - $0:${BASH_LINENO[0]}"
while FUNC=${FUNCNAME[$i]}; test "$FUNC" != "main"; do
echo "## $i ${FUNC}() called from ${BASH_SOURCE[$i]}:${BASH_LINENO[$i]}"
i=$(($i + 1))
done
test ${LVM_TEST_PARALLEL:-0} -eq 1 -o -n "$RUNNING_DMEVENTD" -o -f LOCAL_DMEVENTD || {
pgrep dmeventd &>/dev/null && \
die "** During test dmeventd has been started!"
}
# Get backtraces from coredumps
if which gdb &>/dev/null; then
echo bt full > gdb_commands.txt
echo l >> gdb_commands.txt
echo quit >> gdb_commands.txt
for core in $(ls core* 2>/dev/null); do
bin=$(gdb -batch -c "$core" 2>&1 | grep "generated by" | \
sed -e "s,.*generated by \`\([^ ']*\).*,\1,")
gdb -batch -c "$core" -x gdb_commands.txt $(which "$bin")
done
fi
test -z "$LVM_TEST_NODEBUG" -a -f debug.log && {
sed -e "s,^,## DEBUG: ,;s,$top_srcdir/\?,," < debug.log
}
test -f SKIP_THIS_TEST && exit 200
}
init_udev_transaction() {
if test "$DM_UDEV_SYNCHRONISATION" = 1; then
local cookie=$(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 "$DM_UDEV_SYNCHRONISATION" = 1 -a -n "$DM_UDEV_COOKIE"; then
dmsetup udevreleasecookie
unset DM_UDEV_COOKIE
fi
}
teardown_udev_cookies() {
if test "$DM_UDEV_SYNCHRONISATION" = 1; then
# Delete any cookies created more than 10 minutes ago
# and not used in the last 10 minutes.
# Log only non-zero semaphores count
(dmsetup udevcomplete_all -y 10 | grep -v "^0 ") || true
fi
}
dm_info() {
should dmsetup info --noheadings -c -o "$@"
}
dm_table() {
should dmsetup table "$@"
}
skip() {
touch SKIP_THIS_TEST
exit 200
}
kernel_at_least() {
local major=$(uname -r | cut -d. -f1)
local minor=$(uname -r | cut -d. -f2 | cut -d- -f1)
test "$major" -gt "$1" && return 0
test "$major" -eq "$1" || return 1
test "$minor" -gt "$2" && return 0
test "$minor" -eq "$2" || return 1
test -z "$3" && return 0
local minor2=$(uname -r | cut -d. -f3 | cut -d- -f1)
test -z "$minor2" -a "$3" -ne 0 && return 1
test "$minor2" -ge "$3" 2>/dev/null || return 1
}
prepare_test_vars() {
vg="${PREFIX}vg"
lv=LV
for i in $(seq 1 16); do
name="${PREFIX}pv$i"
dev="$DM_DEV_DIR/mapper/$name"
eval "dev$i=\"$dev\""
eval "lv$i=LV$i"
eval "vg$i=${PREFIX}vg$i"
done
}
# check if $abs_top_builddir was already set via 'lib/paths'
test -n "${abs_top_builddir+varset}" || . lib/paths || die "you must run make first"
case "$PATH" in
*"$abs_top_builddir/test/lib"*) ;;
*)
PATH="$abs_top_builddir/test/lib":$PATH
for d in daemons/dmeventd/plugins/mirror daemons/dmeventd/plugins/snapshot \
daemons/dmeventd/plugins/lvm2 daemons/dmeventd liblvm tools libdm; do
LD_LIBRARY_PATH="$abs_top_builddir/$d":$LD_LIBRARY_PATH
done
export PATH LD_LIBRARY_PATH ;;
esac
test -z "$PREFIX" || prepare_test_vars
|
