# Put lvm-related utilities here.
# This file is sourced from test-lib.sh.
# Copyright (C) 2007, 2008 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
# NOTE: this requires a new enough version of losetup
dev=$(unsafe_losetup_ "$file" 2>/dev/null) \
|| { warn "loop_setup_ failed: Unable to create loopback device"; return 1; }
echo "$dev"
return 0;
}
compare_two_fields_()
{
local cmd1=$1;
local obj1=$2;
local field1=$3;
local cmd2=$4;
local obj2=$5;
local field2=$6;
local val1;
local val2;
val1=$($cmd1 --noheadings -o $field1 $obj1)
val2=$($cmd2 --noheadings -o $field2 $obj2)
if test "$verbose" = "t"
then
echo "compare_two_fields_ $obj1($field1): $val1 $obj2($field2): $val2"
fi
test $val1 = $val2
}
compare_vg_field_()
{
local vg1=$1;
local vg2=$2;
local field=$3;
local val1;
local val2;
val1=$(vgs --noheadings -o $field $vg1)
val2=$(vgs --noheadings -o $field $vg2)
if test "$verbose" = "t"
then
echo "compare_vg_field_ VG1: $val1 VG2: $val2"
fi
test $val1 = $val2
}
check_vg_field_()
{
local vg=$1;
local field=$2;
local expected=$3;
local actual;
actual=$(vgs --noheadings -o $field $vg)
if test "$verbose" = "t"
then
echo "check_vg_field_ VG=$vg, field=$field, actual=$actual, expected=$expected"
fi
test $actual = $expected
}
check_pv_field_()
{
local pv=$1;
local field=$2;
local expected=$3;
local actual;
actual=$(pvs --noheadings -o $field $pv)
if test "$verbose" = "t"
then
echo "check_pv_field_ PV=$pv, field=$field, actual=$actual, expected=$expected"
fi
test $actual = $expected
}
check_lv_field_()
{
local lv=$1;
local field=$2;
local expected=$3;
local actual;
actual=$(lvs --noheadings -o $field $lv)
if test "$verbose" = "t"
then
echo "check_lv_field_ LV=$lv, field=$field, actual=$actual, expected=$expected"
fi
test $actual = $expected
}
vg_validate_pvlv_counts_()
{
local local_vg=$1
local num_pvs=$2
local num_lvs=$3
local num_snaps=$4
dmsetup_has_dm_devdir_support_()
{
# Detect support for the envvar. If it's supported, the
# following command will fail with the expected diagnostic.
out=$(DM_DEV_DIR=j dmsetup version 2>&1)
test "$?:$out" = "1:Invalid DM_DEV_DIR envvar value." -o \
"$?:$out" = "1:Invalid DM_DEV_DIR environment variable value."
}
# set up private /dev and /etc
init_root_dir_()
{
test -n "$test_dir_rand_" \
|| error "Internal error: called init_root_dir_ before" \
"defining \$test_dir_rand_"
# Define these two globals.
G_root_=$test_dir_rand_/root
G_dev_=$G_root_/dev
# Only the first caller does anything.
mkdir -p $G_root_/etc $G_dev_ $G_dev_/mapper $G_root_/lib
for i in 0 1 2 3 4 5 6 7; do
mknod $G_root_/dev/loop$i b 7 $i
done
for i in $abs_top_builddir/dmeventd/mirror/*.so $abs_top_builddir/dmeventd/snapshot/*.so
do
# NOTE: This check is necessary because the loop above will give us the value
# "$abs_top_builddir/dmeventd/mirror/*.so" if no files ending in 'so' exist.
# This is the best way I could quickly determine to skip over this bogus value.
if [ -f $i ]; then
echo Setting up symlink from $i to $G_root_/lib
ln -s $i $G_root_/lib
fi
done
cat > $G_root_/etc/lvm.conf <<-EOF
devices {
dir = "$G_dev_"
scan = "$G_dev_"
filter = [ "a/loop/", "a/mirror/", "a/mapper/", "r/.*/" ]
cache_dir = "$G_root_/etc"
sysfs_scan = 0
}
log {
verbose = $verboselevel
syslog = 0
indent = 1
}
backup {
backup = 0
archive = 0
}
global {
library_dir = "$G_root_/lib"
}
EOF
}
