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