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 https://opensource.org/licenses/CDDL-1.0. 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 2009 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28# 29# Copyright (c) 2012, 2016 by Delphix. All rights reserved. 30# Copyright (c) 2018 Datto Inc. 31# 32 33. $STF_SUITE/include/libtest.shlib 34. $STF_SUITE/tests/functional/cli_root/zfs_destroy/zfs_destroy.cfg 35. $STF_SUITE/tests/functional/cli_root/zfs_destroy/zfs_destroy_common.kshlib 36 37# 38# DESCRIPTION: 39# Separately verify 'zfs destroy -f|-r|-rf|-R|-rR <dataset>' will fail in 40# different conditions. 41# 42# STRATEGY: 43# 1. Create pool, fs & vol. 44# 2. Create snapshot for fs & vol. 45# 3. Invoke 'zfs destroy ''|-f <dataset>', it should fail. 46# 4. Create clone for fs & vol. 47# 5. Invoke 'zfs destroy -r|-rf <dataset>', it should fail. 48# 6. Write file to filesystem or enter snapshot mountpoint. 49# 7. Invoke 'zfs destroy -R|-rR <dataset>', it should fail. 50# 51 52verify_runnable "both" 53 54log_assert "Separately verify 'zfs destroy -f|-r|-rf|-R|-rR <dataset>' will " \ 55 "fail in different conditions." 56log_onexit cleanup_testenv 57 58# 59# Run 'zfs destroy [-rRf] <dataset>', make sure it fail. 60# 61# $1 the collection of options 62# $2 the collection of datasets 63# 64function negative_test 65{ 66 typeset options=$1 67 typeset datasets=$2 68 69 for dtst in $datasets; do 70 if ! is_global_zone; then 71 if [[ $dtst == $VOL || $dtst == $VOLSNAP || \ 72 $dtst == $VOLCLONE ]] 73 then 74 log_note "UNSUPPORTED: " \ 75 "Volume is unavailable in LZ." 76 continue 77 fi 78 fi 79 for opt in $options; do 80 log_mustnot zfs destroy $opt $dtst 81 done 82 done 83} 84 85# 86# Create snapshots for filesystem and volume, 87# and verify 'zfs destroy' fails without '-r' or '-R'. 88# 89setup_testenv snap 90negative_test "-f" "$CTR $FS $VOL" 91 92# 93# Create clones for filesystem and volume, 94# and verify 'zfs destroy' fails without '-R'. 95# 96setup_testenv clone 97negative_test "-r -rf" "$CTR $FS $VOL" 98 99# 100# Get $FS mountpoint and make it busy, and verify 'zfs destroy $CTR' fails 101# without '-f'. Then verify the remaining datasets are correct. See below for 102# an explanation of what 'correct' means for this test. 103# 104mntpt=$(get_prop mountpoint $FS) 105pidlist=$(mkbusy $mntpt/$TESTFILE0) 106log_note "mkbusy $mntpt/$TESTFILE0 (pidlist: $pidlist)" 107[[ -z $pidlist ]] && log_fail "Failure from mkbusy" 108negative_test "-R -rR" $CTR 109 110# The following busy datasets will still exist 111check_dataset datasetexists $CTR $FS $VOL 112 113# The following datasets will not exist because of best-effort recursive destroy 114if datasetexists $VOLSNAP || datasetexists $FSSNAP; then 115 log_must zfs list -rtall 116 log_fail "Unexpected datasets remaining" 117fi 118 119# 120# Create the clones for test environment, and verify 'zfs destroy $FS' fails 121# without '-f'. Then verify the FS snap and clone are the only datasets 122# that were removed. 123# 124setup_testenv clone 125negative_test "-R -rR" $FS 126check_dataset datasetexists $CTR $FS $VOL $VOLSNAP $VOLCLONE 127check_dataset datasetnonexists $FSSNAP $FSCLONE 128 129log_must kill $pidlist 130log_mustnot pgrep -fl mkbusy 131pidlist="" 132 133# 134# Create the clones for test environment and make the volume busy. 135# Then verify 'zfs destroy $CTR' fails without '-f'. 136# 137# Then verify the expected datasets exist (see below). 138# 139if is_global_zone; then 140 setup_testenv clone 141 pidlist=$(mkbusy $TESTDIR1/$TESTFILE0) 142 log_note "mkbusy $TESTDIR1/$TESTFILE0 (pidlist: $pidlist)" 143 [[ -z $pidlist ]] && log_fail "Failure from mkbusy" 144 negative_test "-R -rR" $CTR 145 check_dataset datasetexists $CTR $VOL 146 check_dataset datasetnonexists $VOLSNAP $VOLCLONE 147 148 # Due to recursive destroy being a best-effort operation, 149 # all of the non-busy datasets below should be gone now. 150 check_dataset datasetnonexists $FS $FSSNAP $FSCLONE 151fi 152 153# 154# Create the clones for test environment and make the volume busy. 155# Then verify 'zfs destroy $VOL' fails without '-f'. 156# 157# Then verify the snapshot and clone are destroyed, but nothing else is. 158# 159if is_global_zone; then 160 setup_testenv clone 161 negative_test "-R -rR" $VOL 162 check_dataset datasetexists $CTR $VOL $FS $FSSNAP $FSCLONE 163 check_dataset datasetnonexists $VOLSNAP $VOLCLONE 164fi 165 166log_must kill $pidlist 167log_mustnot pgrep -fl mkbusy 168pidlist="" 169 170# 171# Create the clones for test environment and make the snapshot busy. 172# 173# For Linux verify 'zfs destroy $snap' fails due to the busy mount point. Then 174# verify the snapshot remains and the clone was destroyed, but nothing else is. 175# 176# Under illumos verify 'zfs destroy $snap' succeeds without '-f'. Then verify 177# the snapshot and clone are destroyed, but nothing else is. 178# 179 180mntpt=$(snapshot_mountpoint $FSSNAP) 181pidlist=$(mkbusy $mntpt) 182log_note "mkbusy $mntpt (pidlist: $pidlist)" 183[[ -z $pidlist ]] && log_fail "Failure from mkbusy" 184 185for option in -R -rR ; do 186 setup_testenv clone 187 188 if is_linux; then 189 log_mustnot zfs destroy $option $FSSNAP 190 check_dataset datasetexists $CTR $FS $VOL $FSSNAP 191 check_dataset datasetnonexists $FSCLONE 192 else 193 log_must zfs destroy $option $FSSNAP 194 check_dataset datasetexists $CTR $FS $VOL 195 check_dataset datasetnonexists $FSSNAP $FSCLONE 196 fi 197done 198 199log_must kill $pidlist 200log_mustnot pgrep -fl mkbusy 201pidlist="" 202 203log_pass "zfs destroy -f|-r|-rf|-R|-rR <dataset>' failed in different " \ 204 "condition passed." 205