1#!/bin/ksh -p 2 3# 4# This file and its contents are supplied under the terms of the 5# Common Development and Distribution License ("CDDL"), version 1.0. 6# You may only use this file in accordance with the terms of version 7# 1.0 of the CDDL. 8# 9# A full copy of the text of the CDDL should have accompanied this 10# source. A copy of the CDDL is also available via the Internet at 11# http://www.illumos.org/license/CDDL. 12# 13 14# 15# Copyright (c) 2022 by Delphix. All rights reserved. 16# 17 18. $STF_SUITE/tests/functional/rsend/rsend.kshlib 19. $STF_SUITE/include/math.shlib 20 21# 22# Description: 23# Verify compression features show up in zstream dump 24# 25# Strategy: 26# 1. Create a compressed send stream 27# 2. Recompress the stream with a different algorithm 28# 3. Verify it can be received correctly 29# 4. Verify the contents match the original filesystem 30# 5. Create an uncompressed send stream 31# 6. Compress the send stream 32# 7. Verify that the stream is smaller when compressed 33# 34 35verify_runnable "both" 36 37log_assert "Verify zstream recompress correctly modifies send streams." 38log_onexit cleanup_pool $POOL2 39 40typeset sendfs=$POOL2/fs 41typeset recvfs=$POOL2/fs2 42 43log_must zfs create -o compress=lz4 $sendfs 44typeset dir=$(get_prop mountpoint $sendfs) 45write_compressible $dir 16m 46log_must zfs snapshot $sendfs@snap 47 48log_must eval "zfs send -c $sendfs@snap | zstream recompress gzip-1 | zfs recv $recvfs" 49typeset recvdir=$(get_prop mountpoint $recvfs) 50log_must diff -r $dir $recvdir 51 52log_must eval "zfs send $sendfs@snap >$BACKDIR/uncompressed" 53log_must zstream recompress gzip-1 <$BACKDIR/uncompressed >$BACKDIR/compressed 54typeset uncomp_size=$(wc -c $BACKDIR/uncompressed | awk '{print $1}') 55typeset comp_size=$(wc -c $BACKDIR/compressed | awk '{print $1}') 56[[ "$uncomp_size" -gt "$comp_size" ]] || log_fail "recompressed stream was not smaller" 57 58log_pass "zstream recompress correctly modifies send streams." 59