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) 2013, 2016 by Delphix. All rights reserved. 30# 31 32. $STF_SUITE/include/libtest.shlib 33. $STF_SUITE/tests/functional/snapshot/snapshot.cfg 34 35# 36# DESCRIPTION: 37# Create a snapshot from regular filesystem, volume, 38# or filesystem upon volume, Build a clone file system 39# from the snapshot and verify new files can be written. 40# 41# STRATEGY: 42# 1. Create snapshot use 3 combination: 43# - Regular filesystem 44# - Regular volume 45# - Filesystem upon volume 46# 2. Clone a new file system from the snapshot 47# 3. Verify the cloned file system is writable 48# 49 50verify_runnable "both" 51 52# Setup array, 4 elements as a group, refer to: 53# i+0: name of a snapshot 54# i+1: mountpoint of the snapshot 55# i+2: clone created from the snapshot 56# i+3: mountpoint of the clone 57 58set -A args "$SNAPFS" "$SNAPDIR" "$TESTPOOL/$TESTCLONE" "$TESTDIR.0" \ 59 "$SNAPFS1" "$SNAPDIR3" "$TESTPOOL/$TESTCLONE1" "" \ 60 "$SNAPFS2" "$SNAPDIR2" "$TESTPOOL1/$TESTCLONE2" "$TESTDIR.2" 61 62function setup_all 63{ 64 if is_freebsd; then 65 # Pool creation on zvols is forbidden by default. 66 # Save and the current setting. 67 typeset _saved=$(get_tunable VOL_RECURSIVE) 68 log_must set_tunable64 VOL_RECURSIVE 1 69 fi 70 create_pool $TESTPOOL1 ${ZVOL_DEVDIR}/$TESTPOOL/$TESTVOL 71 if is_freebsd; then 72 # Restore the previous setting. 73 log_must set_tunable64 VOL_RECURSIVE $_saved 74 fi 75 log_must zfs create $TESTPOOL1/$TESTFS 76 log_must zfs set mountpoint=$TESTDIR2 $TESTPOOL1/$TESTFS 77 78 return 0 79} 80 81function cleanup_all 82{ 83 typeset -i i=0 84 85 i=0 86 while (( i < ${#args[*]} )); do 87 snapexists ${args[i]} && \ 88 destroy_dataset "${args[i]}" "-Rf" 89 90 [[ -d ${args[i+3]} ]] && \ 91 log_must rm -rf ${args[i+3]} 92 93 [[ -d ${args[i+1]} ]] && \ 94 log_must rm -rf ${args[i+1]} 95 96 (( i = i + 4 )) 97 done 98 99 datasetexists $TESTPOOL1/$TESTFS && \ 100 destroy_dataset $TESTPOOL1/$TESTFS -f 101 102 destroy_pool $TESTPOOL1 103 104 [[ -d $TESTDIR2 ]] && \ 105 log_must rm -rf $TESTDIR2 106 107 return 0 108} 109 110log_assert "Verify a cloned file system is writable." 111 112log_onexit cleanup_all 113 114setup_all 115 116[ -n $TESTDIR ] && log_must rm -rf $TESTDIR/* 117 118typeset -i COUNT=10 119typeset -i i=0 120 121for mtpt in $TESTDIR $TESTDIR2 ; do 122 log_note "Populate the $mtpt directory (prior to snapshot)" 123 typeset -i j=1 124 while [[ $j -le $COUNT ]]; do 125 log_must file_write -o create -f $mtpt/before_file$j \ 126 -b $BLOCKSZ -c $NUM_WRITES -d $j 127 128 (( j = j + 1 )) 129 done 130done 131 132while (( i < ${#args[*]} )); do 133 # 134 # Take a snapshot of the test file system. 135 # 136 log_must zfs snapshot ${args[i]} 137 138 # 139 # Clone a new file system from the snapshot 140 # 141 log_must zfs clone ${args[i]} ${args[i+2]} 142 if [[ -n ${args[i+3]} ]] ; then 143 log_must zfs set mountpoint=${args[i+3]} ${args[i+2]} 144 145 FILE_COUNT=$(ls -A ${args[i+3]} | grep -cvF ".zfs") 146 if [[ $FILE_COUNT -ne $COUNT ]]; then 147 ls -Al ${args[i+3]} 148 log_fail "AFTER: ${args[i+3]} contains $FILE_COUNT files(s)." 149 fi 150 151 log_note "Verify the ${args[i+3]} directory is writable" 152 j=1 153 while [[ $j -le $COUNT ]]; do 154 log_must file_write -o create -f ${args[i+3]}/after_file$j \ 155 -b $BLOCKSZ -c $NUM_WRITES -d $j 156 (( j = j + 1 )) 157 done 158 159 FILE_COUNT=$(ls -A ${args[i+3]}/after* | wc -l) 160 if [[ $FILE_COUNT -ne $COUNT ]]; then 161 ls -Al ${args[i+3]} 162 log_fail "${args[i+3]} contains $FILE_COUNT after* files(s)." 163 fi 164 fi 165 166 (( i = i + 4 )) 167done 168 169log_pass "The clone file system is writable." 170