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git://sourceware.org/git/lvm2.git
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131 lines
3.3 KiB
Bash
131 lines
3.3 KiB
Bash
# Put lvm-related utilities here.
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# This file is sourced from test-lib.sh.
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# Copyright (C) 2007 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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export LVM_SUPPRESS_FD_WARNINGS=1
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ME=$(basename "$0")
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warn() { echo >&2 "$ME: $@"; }
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unsafe_losetup_()
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{
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f=$1
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test -n "$G_dev_" \
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|| error "Internal error: unsafe_losetup_ called before init_root_dir_"
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# Iterate through $G_dev_/loop{,/}{0,1,2,3,4,5,6,7,8,9}
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for slash in '' /; do
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for i in 0 1 2 3 4 5 6 7 8 9; do
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dev=$G_dev_/loop$slash$i
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losetup $dev > /dev/null 2>&1 && continue;
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losetup "$dev" "$f" > /dev/null && { echo "$dev"; return 0; }
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break
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done
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done
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return 1
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}
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loop_setup_()
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{
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file=$1
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dd if=/dev/zero of="$file" bs=1M count=1 seek=1000 > /dev/null 2>&1 \
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|| { warn "loop_setup_ failed: Unable to create tmp file $file"; return 1; }
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# NOTE: this requires a new enough version of losetup
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dev=$(unsafe_losetup_ "$file" 2>/dev/null) \
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|| { warn "loop_setup_ failed: Unable to create loopback device"; return 1; }
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echo "$dev"
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return 0;
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}
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compare_vg_field_()
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{
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if test "$verbose" = "t"
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then
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echo "compare_vg_field_ VG1: `vgs --noheadings -o $3 $1` VG2: `vgs --noheadings -o $3 $2`"
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fi
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return $(test $(vgs --noheadings -o $3 $1) == $(vgs --noheadings -o $3 $2) )
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}
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check_vg_field_()
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{
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if test "$verbose" = "t"
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then
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echo "check_vg_field_ VG: $1 actual: `vgs --noheadings -o $2 $1` expected $3"
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fi
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return $(test $(vgs --noheadings -o $2 $1) == $3)
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}
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check_pv_field_()
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{
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if test "$verbose" = "t"
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then
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echo "check_pv_field_ PV: $1 actual: `pvs --noheadings -o $2 $1` expected $3"
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fi
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return $(test $(pvs --noheadings -o $2 $1) == $3)
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}
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check_lv_field_()
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{
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if test "$verbose" = "t"
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then
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echo "check_lv_field_ LV: $1 actual: `lvs --noheadings -o $2 $1` expected $3"
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fi
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return $(test $(lvs --noheadings -o $2 $1) == $3)
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}
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dmsetup_has_dm_devdir_support_()
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{
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# Detect support for the envvar. If it's supported, the
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# following command will fail with the expected diagnostic.
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out=$(DM_DEV_DIR=j dmsetup version 2>&1)
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test "$?:$out" = "1:Invalid DM_DEV_DIR envvar value." -o \
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"$?:$out" = "1:Invalid DM_DEV_DIR environment variable value."
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}
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# set up private /dev and /etc
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init_root_dir_()
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{
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test -n "$test_dir_rand_" \
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|| error "Internal error: called init_root_dir_ before" \
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" defining $test_dir_rand_"
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# Define these two globals.
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G_root_=$test_dir_rand_/root
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G_dev_=$G_root_/dev
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export LVM_SYSTEM_DIR=$G_root_/etc
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export DM_DEV_DIR=$G_dev_
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# Only the first caller does anything.
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mkdir -p $G_root_/etc $G_dev_ $G_dev_/mapper
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for i in 0 1 2 3 4 5 6 7; do
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mknod $G_root_/dev/loop$i b 7 $i
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done
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cat > $G_root_/etc/lvm.conf <<-EOF
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devices {
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dir = "$G_dev_"
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scan = "$G_dev_"
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filter = [ "a/loop/", "a/mirror/", "a/mapper/", "r/.*/" ]
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cache_dir = "$G_root_/etc"
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sysfs_scan = 0
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}
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EOF
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}
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if test $(this_test_) != 000-basic; then
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init_root_dir_
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fi
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