1#! /bin/ksh -p
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License (the "License").
7# You may not use this file except in compliance with the License.
8#
9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10# or http://www.opensolaris.org/os/licensing.
11# See the License for the specific language governing permissions
12# and limitations under the License.
13#
14# When distributing Covered Code, include this CDDL HEADER in each
15# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16# If applicable, add the following below this CDDL HEADER, with the
17# fields enclosed by brackets "[]" replaced with your own identifying
18# information: Portions Copyright [yyyy] [name of copyright owner]
19#
20# CDDL HEADER END
21#
22
23#
24# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
25# Use is subject to license terms.
26#
27
28#
29# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
30#
31
32. $STF_SUITE/include/libtest.shlib
33. $STF_SUITE/tests/functional/snapshot/snapshot.cfg
34
35#
36# DESCRIPTION:
37# An archive of a zfs file system and an archive of its snapshot
38# is identical even though the original file system has
39# changed since the snapshot was taken.
40#
41# STRATEGY:
42# 1) Create files in all of the zfs file systems
43# 2) Create a tarball of the file system
44# 3) Create a snapshot of the dataset
45# 4) Remove all the files in the original file system
46# 5) Create a tarball of the snapshot
47# 6) Extract each tarball and compare directory structures
48#
49
50verify_runnable "both"
51
52function cleanup
53{
54	if [[ -d $CWD ]]; then
55		cd $CWD || log_fail "Could not cd $CWD"
56	fi
57
58	snapexists $SNAPFS
59	if [[ $? -eq 0 ]]; then
60		log_must zfs destroy $SNAPFS
61	fi
62
63	if [[ -e $SNAPDIR ]]; then
64		log_must rm -rf $SNAPDIR > /dev/null 2>&1
65	fi
66
67	if [[ -e $TESTDIR ]]; then
68		log_must rm -rf $TESTDIR/* > /dev/null 2>&1
69	fi
70
71	if [[ -d "$SNAPSHOT_TARDIR" ]]; then
72		log_must rm -rf $SNAPSHOT_TARDIR > /dev/null 2>&1
73	fi
74}
75
76log_assert "Verify an archive of a file system is identical to " \
77    "an archive of its snapshot."
78
79SNAPSHOT_TARDIR="$(mktemp -d /tmp/zfstests_snapshot_002.XXXXXX)"
80log_onexit cleanup
81
82typeset -i COUNT=21
83typeset OP=create
84
85[[ -n $TESTDIR ]] && \
86    rm -rf $TESTDIR/* > /dev/null 2>&1
87
88log_note "Create files in the zfs filesystem..."
89
90typeset i=1
91while [ $i -lt $COUNT ]; do
92	log_must file_write -o $OP -f $TESTDIR/file$i \
93	    -b $BLOCKSZ -c $NUM_WRITES -d $DATA
94	(( i = i + 1 ))
95done
96
97log_note "Create a tarball from $TESTDIR contents..."
98CWD=$PWD
99cd $TESTDIR || log_fail "Could not cd $TESTDIR"
100log_must tar cf $SNAPSHOT_TARDIR/original.tar .
101cd $CWD || log_fail "Could not cd $CWD"
102
103log_note "Create a snapshot and mount it..."
104log_must zfs snapshot $SNAPFS
105
106log_note "Remove all of the original files..."
107log_must rm -f $TESTDIR/file* > /dev/null 2>&1
108
109log_note "Create tarball of snapshot..."
110CWD=$PWD
111cd $SNAPDIR || log_fail "Could not cd $SNAPDIR"
112log_must tar cf $SNAPSHOT_TARDIR/snapshot.tar .
113cd $CWD || log_fail "Could not cd $CWD"
114
115log_must mkdir $TESTDIR/original
116log_must mkdir $TESTDIR/snapshot
117
118CWD=$PWD
119cd $TESTDIR/original || log_fail "Could not cd $TESTDIR/original"
120log_must tar xf $SNAPSHOT_TARDIR/original.tar
121
122cd $TESTDIR/snapshot || log_fail "Could not cd $TESTDIR/snapshot"
123log_must tar xf $SNAPSHOT_TARDIR/snapshot.tar
124
125cd $CWD || log_fail "Could not cd $CWD"
126
127log_must directory_diff $TESTDIR/original $TESTDIR/snapshot
128log_pass "Directory structures match."
129