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#!/bin/ksh -p
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#
#
# Copyright 2009 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#
# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
#
. $STF_SUITE/include/libtest.shlib
. $STF_SUITE/tests/functional/snapshot/snapshot.cfg
. $STF_SUITE/tests/functional/cli_root/zfs_rollback/zfs_rollback_common.kshlib
#
# DESCRIPTION:
# Verify snapshot can be created or destroy via mkdir or rm
# in .zfs/snapshot.
#
# STRATEGY:
# 1. Verify make directories only successfully in .zfs/snapshot.
# 2. Verify snapshot can be created and destroy via mkdir and remove
# directories in .zfs/snapshot.
# 3. Verify rollback to previous snapshot can succeed.
# 4. Verify remove directory in snapdir can destroy snapshot.
#
verify_runnable "both"
function cleanup
{
typeset -i i=0
while ((i < snap_cnt)); do
typeset snap=$fs@snap.$i
datasetexists $snap && log_must zfs destroy -f $snap
((i += 1))
done
}
zfs 2>&1 | grep "allow" > /dev/null
(($? != 0)) && log_unsupported
log_assert "Verify snapshot can be created via mkdir in .zfs/snapshot."
log_onexit cleanup
fs=$TESTPOOL/$TESTFS
# Verify all the other directories are readonly.
mntpnt=$(get_prop mountpoint $fs)
snapdir=$mntpnt/.zfs
set -A ro_dirs "$snapdir" "$snapdir/snap" "$snapdir/snapshot"
for dir in ${ro_dirs[@]}; do
if [[ -d $dir ]]; then
log_mustnot rm -rf $dir
log_mustnot touch $dir/testfile
else
log_mustnot mkdir $dir
fi
done
# Verify snapshot can be created via mkdir in .zfs/snapshot
typeset -i snap_cnt=5
typeset -i cnt=0
while ((cnt < snap_cnt)); do
testfile=$mntpnt/testfile.$cnt
log_must mkfile 1M $testfile
log_must mkdir $snapdir/snapshot/snap.$cnt
if ! datasetexists $fs@snap.$cnt ; then
log_fail "ERROR: $fs@snap.$cnt should exists."
fi
((cnt += 1))
done
# Verify rollback to previous snapshot succeed.
((cnt = RANDOM % snap_cnt))
log_must zfs rollback -r $fs@snap.$cnt
typeset -i i=0
while ((i < snap_cnt)); do
testfile=$mntpnt/testfile.$i
if ((i <= cnt)); then
if [[ ! -f $testfile ]]; then
log_fail "ERROR: $testfile should exists."
fi
else
if [[ -f $testfile ]]; then
log_fail "ERROR: $testfile should not exists."
fi
fi
((i += 1))
done
# Verify remove directory in snapdir can destroy snapshot.
log_must rmdir $snapdir/snapshot/snap.$cnt
log_mustnot datasetexists $fs@snap.$cnt
log_pass "Verify snapshot can be created via mkdir in .zfs/snapshot passed."
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