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#!/usr/bin/env bash
# Copyright (C) 2016 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# test foreing user of thin-pool
SKIP_WITH_LVMPOLLD=1
. lib/inittest
MOUNT_DIR=mnt
cleanup_mounted_and_teardown()
{
umount "$MOUNT_DIR" || true
dmsetup remove $THIN
vgremove -ff $vg
aux teardown
}
percent_() {
get lv_field $vg/pool data_percent | cut -d. -f1
}
#
# Main
#
aux have_thin 1 0 0 || skip
which mkfs.ext4 || skip
# Use our mkfs config file to get approximately same results
# TODO: maybe use it for all test via some 'prepare' function
export MKE2FS_CONFIG="$TESTOLDPWD/lib/mke2fs.conf"
aux prepare_dmeventd
aux prepare_vg 2 64
# Create named pool only
lvcreate --errorwhenfull y -L2 -T $vg/pool
POOL="$vg-pool"
THIN="${PREFIX}_thin"
# Foreing user is using own ioctl command to create thin devices
dmsetup message $POOL 0 "create_thin 0"
dmsetup message $POOL 0 "set_transaction_id 0 1"
dmsetup status
# Once the transaction id has changed, lvm2 shall not be able to create thinLV
fail lvcreate -V10 $vg/pool
trap 'cleanup_mounted_and_teardown' EXIT
# 20M thin device
dmsetup create $THIN --table "0 40960 thin $DM_DEV_DIR/mapper/$POOL 0"
dmsetup table
dmsetup info -c
mkdir "$MOUNT_DIR"
# This mkfs should fill 2MB pool over 95%
# no autoresize is configured
mkfs.ext4 "$DM_DEV_DIR/mapper/$THIN"
# ensure all data from mkfs are written to disk
sync
test "$(percent_)" -gt 95
mount "$DM_DEV_DIR/mapper/$THIN" "$MOUNT_DIR"
pvchange -x n "$dev1" "$dev2"
test "$(percent_)" -gt 95
# Configure autoresize
aux lvmconf 'activation/thin_pool_autoextend_percent = 10' \
'activation/thin_pool_autoextend_threshold = 75'
# Give it some time to left dmeventd do some (failing to resize) work
sleep 20
# And check foreign thin device is still mounted
mount | grep "$MOUNT_DIR" | grep "$THIN"
test "$(percent_)" -gt 95
pvchange -x y "$dev1" "$dev2"
# FIXME: ATM tell dmeventd explicitely we've changed metadata
# however dmeventd shall be aware of any metadata change
# and automagically retry resize operation after that.
lvchange --refresh $vg/pool
# Give it some time and let dmeventd do some work
for i in $(seq 1 15) ; do
test "$(percent_)" -ge 75 || break
sleep 1
done
test "$(percent_)" -lt 75
# And check foreign thin device is still mounted
mount | grep "$MOUNT_DIR" | grep "$THIN"
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