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 && log_must zfs destroy -r $ds 38 done 39 zfs destroy -r $TESTPOOL/TESTFS4 40 zfs destroy -r $TESTPOOL/TESTFS5 41} 42datasets="$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 log_must snapexists $token && \ 74 log_must zfs destroy $token 75 done 76 ((i = i + 1)) 77done 78log_note "destroy a list of invalid snapshots" 79i=0 80while (( i < ${#invalid_args[*]} )); do 81 log_mustnot zfs snapshot ${invalid_args[i]} 82 for token in ${invalid_args[i]}; do 83 log_mustnot snapexists $token 84 done 85 ((i = i + 1)) 86done 87log_note "verify multiple snapshot transaction group" 88txg_group=$(zdb -Pd $TESTPOOL | grep snap | awk '{print $7}') 89for i in 1 2 3; do 90 txg_tag=$(echo "$txg_group" | nawk -v j=$i 'FNR == j {print}') 91 [[ $txg_tag != $(echo "$txg_group" | \ 92 nawk -v j=$i 'FNR == j {print}') ]] \ 93 && log_fail "snapshots belong to different transaction groups" 94done 95log_note "verify snapshot contents" 96for ds in $datasets; do 97 diff -q -r /$ds /$ds/.zfs/snapshot/snap > /dev/null 2>&1 98 if [[ $? -eq 1 ]]; then 99 log_fail "snapshot contents are different from" \ 100 "the filesystem" 101 fi 102done 103 104# We subtract 3 + 7 + 7 + 1 = 18 for three slashes (/), strlen("TESTFSA") == 7, 105# strlen("TESTFSB") == 7, and the terminating nul (\0) 106DATASET_XXX=$(printf 'x%.0s' \ 107 {1..$(($ZFS_MAX_DATASET_NAME_LEN - ${#TESTPOOL} - ${#TESTFS3} - 18))}) 108 109log_note "verify multiple snapshot with -r option" 110log_must zfs create $TESTPOOL/TESTFS4 111log_must zfs create -p $TESTPOOL/$TESTFS3/TESTFSA$DATASET_XXX/TESTFSB 112log_mustnot zfs snapshot -r $TESTPOOL/$TESTFS1@snap1 $TESTPOOL/$TESTFS2@snap1 \ 113 $TESTPOOL/$TESTFS3@snap1 $TESTPOOL/TESTFS4@snap1 114log_must zfs rename $TESTPOOL/$TESTFS3/TESTFSA$DATASET_XXX \ 115 $TESTPOOL/$TESTFS3/TESTFSA 116log_must zfs snapshot -r $TESTPOOL/$TESTFS1@snap1 $TESTPOOL/$TESTFS2@snap1 \ 117 $TESTPOOL/$TESTFS3@snap1 $TESTPOOL/TESTFS4@snap1 118 119MYTEST="TESTFS5" 120ITERATIONS=10 121NUM_SNAPS=5 122for x in {1..$ITERATIONS}; do 123 log_must zfs create $TESTPOOL/$MYTEST 124 for y in {1..$NUM_SNAPS}; do 125 log_must zfs snapshot $TESTPOOL/$MYTEST@$y 126 done; 127 n=$(ls -1 /$TESTPOOL/$MYTEST/.zfs/snapshot | wc -l) 128 verify_eq $n $NUM_SNAPS "count" 129 zfs destroy -r $TESTPOOL/$MYTEST; 130done; 131 132log_pass "zfs multiple snapshot verified correctly" 133