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# Put lvm-related utilities here.
# This file is sourced from test infrastructure.
# Copyright (C) 2007-2012 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
export LVM_SUPPRESS_FD_WARNINGS=1
loop_setup_()
{
file=$1
dd if=/dev/null of="$file" bs=1M count=1 seek=1000 > /dev/null 2>&1 \
|| { warn_ "loop_setup_ failed: Unable to create tmp file $file"; return 1; }
# NOTE: this requires a new enough version of losetup
dev=$(losetup --show -f "$file") \
|| { warn_ "loop_setup_ failed: Unable to create loopback device"; return 1; }
echo "$dev"
return 0;
}
# set up private /dev and /etc
lvm_init_root_dir_()
{
test -z "$test_dir_" \
&& skip_ "Internal error: called lvm_init_root_dir_ before" \
"defining \$test_dir_"
# Define these two globals.
G_root_=$test_dir_/root
G_dev_=$G_root_/dev
export LVM_SYSTEM_DIR=$G_root_/etc
export DM_DEV_DIR=$G_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
}
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