1#!/bin/ksh
2#
3# This file and its contents are supplied under the terms of the
4# Common Development and Distribution License ("CDDL"), version 1.0.
5# You may only use this file in accordance with the terms of version
6# 1.0 of the CDDL.
7#
8# A full copy of the text of the CDDL should have accompanied this
9# source.  A copy of the CDDL is also available via the Internet at
10# http://www.illumos.org/license/CDDL.
11#
12
13#
14# Copyright (c) 2012, 2016 by Delphix. All rights reserved.
15# Copyright (c) 2020 by Datto Inc. All rights reserved.
16#
17
18#
19# DESCRIPTION
20# verify 'zfs snapshot <list of snapshots>' works correctly
21#
22# STRATEGY
23# 1. Create multiple datasets
24# 2. Create multiple snapshots with a list of valid and invalid
25#    snapshot names
26# 3. Verify the valid snapshot creation
27# 4. Verify creation of snapshots report the correct numbers by
28#    performing a snapshot directory listing
29
30. $STF_SUITE/include/libtest.shlib
31
32ZFS_MAX_DATASET_NAME_LEN=256
33
34function cleanup
35{
36	for ds in $datasets; do
37		datasetexists $ds && destroy_dataset $ds -r
38	done
39	destroy_dataset $TESTPOOL/TESTFS4 -r
40	destroy_dataset $TESTPOOL/TESTFS5 -r
41}
42datasets="$TESTPOOL/$TESTFS1 $TESTPOOL/$TESTFS2
43    $TESTPOOL/$TESTFS3"
44
45# We subtract 3 for slash (/), at (@), and the terminating nul (\0)
46SNAPSHOT_XXX=$(printf 'x%.0s' \
47    {1..$(($ZFS_MAX_DATASET_NAME_LEN - ${#TESTPOOL} - ${#TESTFS1} - 3))})
48
49invalid_args=("$TESTPOOL/$TESTFS1@now $TESTPOOL/$TESTFS2@now \
50    $TESTPOOL/$TESTFS@blah?" "$TESTPOOL/$TESTFS1@blah* \
51    $TESTPOOL/$TESTFS2@blah? $TESTPOOL/$TESTFS3@blah%" \
52    "$TESTPOOL/$TESTFS1@x$SNAPSHOT_XXX $TESTPOOL/$TESTFS2@300 \
53    $TESTPOOL/$TESTFS3@300")
54
55valid_args=("$TESTPOOL/$TESTFS1@snap $TESTPOOL/$TESTFS2@snap \
56    $TESTPOOL/$TESTFS3@snap" "$TESTPOOL/$TESTFS1@$SNAPSHOT_XXX \
57    $TESTPOOL/$TESTFS2@2 $TESTPOOL/$TESTFS3@s")
58
59log_assert "verify zfs supports multiple consistent snapshots"
60log_onexit cleanup
61typeset -i i=1
62test_data=$STF_SUITE/tests/functional/cli_root/zpool_upgrade/blockfiles/*.bz2
63
64log_note "destroy a list of valid snapshots"
65for ds in $datasets; do
66	log_must zfs create $ds
67	log_must cp -r $test_data /$ds
68done
69i=0
70while (( i < ${#valid_args[*]} )); do
71	log_must zfs snapshot ${valid_args[i]}
72	for token in ${valid_args[i]}; do
73		snapexists $token && destroy_dataset $token
74	done
75	((i = i + 1))
76done
77log_note "destroy a list of invalid snapshots"
78i=0
79while (( i < ${#invalid_args[*]} )); do
80	log_mustnot zfs snapshot ${invalid_args[i]}
81	for token in ${invalid_args[i]}; do
82		log_mustnot snapexists $token
83	done
84	((i = i + 1))
85done
86log_note "verify multiple snapshot transaction group"
87txg_group=$(zdb -Pd $TESTPOOL | awk '/snap/ {print $7}')
88for i in 1 2 3; do
89	txg_tag=$(echo "$txg_group" | awk -v j=$i 'FNR == j {print}')
90	[[ $txg_tag != $(echo "$txg_group" | \
91	    awk -v j=$i 'FNR == j {print}') ]] \
92	    && log_fail "snapshots belong to different transaction groups"
93done
94log_note "verify snapshot contents"
95for ds in $datasets; do
96	[ -d "/$ds/.zfs/snapshot/snap" ] && \
97		log_must directory_diff /$ds /$ds/.zfs/snapshot/snap
98done
99
100# We subtract 3 + 7 + 7 + 1 = 18 for three slashes (/), strlen("TESTFSA") == 7,
101# strlen("TESTFSB") == 7, and the terminating nul (\0)
102DATASET_XXX=$(printf 'x%.0s' \
103    {1..$(($ZFS_MAX_DATASET_NAME_LEN - ${#TESTPOOL} - ${#TESTFS3} - 18))})
104
105log_note "verify multiple snapshot with -r option"
106log_must zfs create $TESTPOOL/TESTFS4
107log_must zfs create -p $TESTPOOL/$TESTFS3/TESTFSA$DATASET_XXX/TESTFSB
108log_mustnot zfs snapshot -r $TESTPOOL/$TESTFS1@snap1 $TESTPOOL/$TESTFS2@snap1 \
109        $TESTPOOL/$TESTFS3@snap1 $TESTPOOL/TESTFS4@snap1
110log_must zfs rename $TESTPOOL/$TESTFS3/TESTFSA$DATASET_XXX \
111    $TESTPOOL/$TESTFS3/TESTFSA
112log_must zfs snapshot -r $TESTPOOL/$TESTFS1@snap1 $TESTPOOL/$TESTFS2@snap1 \
113        $TESTPOOL/$TESTFS3@snap1 $TESTPOOL/TESTFS4@snap1
114
115MYTEST="TESTFS5"
116ITERATIONS=10
117NUM_SNAPS=5
118for x in {1..$ITERATIONS}; do
119	log_must zfs create $TESTPOOL/$MYTEST
120	for y in {1..$NUM_SNAPS}; do
121		log_must zfs snapshot $TESTPOOL/$MYTEST@$y
122	done;
123	n=$(ls /$TESTPOOL/$MYTEST/.zfs/snapshot | wc -l)
124	verify_eq $n $NUM_SNAPS "count"
125	zfs destroy -r $TESTPOOL/$MYTEST;
126done;
127
128log_pass "zfs multiple snapshot verified correctly"
129