121 lines
4.2 KiB
Bash
Executable File
121 lines
4.2 KiB
Bash
Executable File
#!/bin/ksh
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#
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# This file and its contents are supplied under the terms of the
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# Common Development and Distribution License ("CDDL"), version 1.0.
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# You may only use this file in accordance with the terms of version
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# 1.0 of the CDDL.
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#
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# A full copy of the text of the CDDL should have accompanied this
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# source. A copy of the CDDL is also available via the Internet at
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# http://www.illumos.org/license/CDDL.
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#
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#
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# Copyright (c) 2018 by Delphix. All rights reserved.
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#
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. $STF_SUITE/tests/functional/redacted_send/redacted.kshlib
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#
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# Description:
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# Verify redacted send streams reliably handle holes.
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#
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# Strategy:
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# 1. Holes written at the beginning and end of a non-sparse file in the
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# redacted list are correctly redacted.
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# 2. Holes written throughout a non-sparse file in the redacted list are
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# correctly redacted.
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# 3. Data written into a hole in a sparse file in the redacted list are
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# correctly redacted.
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# 4. Holes in metadata blocks.
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#
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typeset ds_name="holes"
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typeset sendfs="$POOL/$ds_name"
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typeset recvfs="$POOL2/$ds_name"
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typeset clone="$POOL/${ds_name}_clone"
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typeset tmpdir="$(get_prop mountpoint $POOL)/tmp"
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typeset stream=$(mktemp $tmpdir/stream.XXXX)
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setup_dataset $ds_name '' setup_holes
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typeset clone_mnt="$(get_prop mountpoint $clone)"
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typeset send_mnt="$(get_prop mountpoint $sendfs)"
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typeset recv_mnt="/$POOL2/$ds_name"
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typeset M=$((1024 * 1024))
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log_onexit redacted_cleanup $sendfs $recvfs
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# Write holes at the start and end of a non-sparse file.
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if is_illumos; then
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log_must mkholes -h 0:$M -h $((7 * M)):$M $clone_mnt/f1
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else
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log_must dd if=/dev/zero of=$clone_mnt/f1 bs=1M count=1 conv=notrunc
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log_must dd if=/dev/zero of=$clone_mnt/f1 bs=1M count=1 conv=notrunc seek=7
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fi
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log_must zfs snapshot $clone@snap1
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log_must zfs redact $sendfs@snap book1 $clone@snap1
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log_must eval "zfs send --redact book1 $sendfs@snap >$stream"
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log_must eval "zfs recv $recvfs <$stream"
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compare_files $sendfs $recvfs "f1" "$RANGE5"
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log_must zfs rollback -R $clone@snap
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log_must zfs destroy -R $recvfs
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# Write two overlapping sets of holes into the same non-sparse file.
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log_must stride_dd -i /dev/zero -o $clone_mnt/f1 -b $((128 * 1024)) -c 8 -s 2 -k 3
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log_must stride_dd -i /dev/zero -o $clone_mnt/f1 -b $((256 * 1024)) -c 8 -s 2 -k 6
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log_must zfs snapshot $clone@snap1
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log_must zfs redact $sendfs@snap book2 $clone@snap1
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log_must eval "zfs send --redact book2 $sendfs@snap >$stream"
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log_must eval "zfs recv $recvfs <$stream"
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compare_files $sendfs $recvfs "f1" "$RANGE6"
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log_must zfs rollback -R $clone@snap
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log_must zfs destroy -R $recvfs
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# Write data into the middle of a hole.
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if is_illumos; then
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log_must mkholes -d $((3 * M)):$((2 * M)) $clone_mnt/f2
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else
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log_must dd if=/dev/urandom of=$clone_mnt/f2 bs=1M count=2 seek=3 \
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conv=notrunc
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fi
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log_must zfs snapshot $clone@snap1
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log_must zfs redact $sendfs@snap book3 $clone@snap1
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log_must eval "zfs send --redact book3 $sendfs@snap >$stream"
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log_must eval "zfs recv $recvfs <$stream"
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compare_files $sendfs $recvfs "f2" "$RANGE14"
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log_must zfs rollback -R $clone@snap
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log_must zfs destroy -R $recvfs
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# Remove a file with holes.
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log_must rm $clone_mnt/f3
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log_must zfs snapshot $clone@snap1
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log_must zfs redact $sendfs@snap book4 $clone@snap1
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log_must eval "zfs send --redact book4 $sendfs@snap >$stream"
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log_must eval "zfs recv $recvfs <$stream"
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compare_files $sendfs $recvfs "f3" "$RANGE7"
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log_must zfs rollback -R $clone@snap
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log_must zfs destroy -R $recvfs
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# Create a hole in a L0 metadata block by removing files.
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log_must rm $send_mnt/manyrm_clone/f{32..96}
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log_must zfs snapshot $sendfs/manyrm_clone@snap1
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log_must zfs redact $sendfs/manyrm@snap book6 $sendfs/manyrm_clone@snap1
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log_must eval "zfs send --redact book6 $sendfs/manyrm@snap >$stream"
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log_must eval "zfs recv $recvfs <$stream"
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log_must mount_redacted -f $recvfs
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for i in {1..31} {97..256}; do
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diff $send_mnt/manyrm/f$i $recv_mnt/f$i || log_fail \
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"File f$i did not match in the send and recv datasets."
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done
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for i in {32..96}; do
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file_size=$(stat_size $send_mnt/manyrm/f$i)
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redacted_size=$(stat_size $recv_mnt/f$i)
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[[ $file_size -eq $redacted_size ]] || log_fail \
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"File f$i has size $file_size and redacted size $redacted_size"
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done
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log_must zfs rollback -R $clone@snap
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log_must zfs destroy -R $recvfs
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log_pass "Redacted send streams reliably handle holes."
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