mirror of
https://github.com/kdave/btrfs-progs
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c1ddc01d86
There are two tests 064, and we're missing 061 so fill the gap. Signed-off-by: David Sterba <dsterba@suse.com>
100 lines
3.5 KiB
Bash
Executable File
100 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Receive in reverse direction must not throw an error if it can find an
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# earlier "sent" parent. In general, shows a backup+sync setup between two (or
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# more) PCs with an external drive.
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source "$TEST_TOP/common"
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check_prereq mkfs.btrfs
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check_prereq btrfs
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check_global_prereq dd
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declare -a roots
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i_pc1=1
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# An external drive used to backup and carry profile.
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i_ext=2
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i_pc2=3
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roots[$i_pc1]="$TEST_MNT/pc1"
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roots[$i_ext]="$TEST_MNT/external"
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roots[$i_pc2]="$TEST_MNT/pc2"
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setup_root_helper
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mkdir -p "${roots[@]}"
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setup_loopdevs 3
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prepare_loopdevs
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for i in `seq 3`; do
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TEST_DEV="${loopdevs[$i]}"
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TEST_MNT="${roots[$i]}"
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run_check_mkfs_test_dev
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run_check_mount_test_dev
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run_check $SUDO_HELPER mkdir -p "$TEST_MNT/.snapshots"
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done
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run_check_update_file()
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{
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run_check $SUDO_HELPER cp --reflink "${roots[$1]}/profile/$2" "${roots[$1]}/profile/staging"
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run_check $SUDO_HELPER dd if=/dev/urandom conv=notrunc bs=4K count=4 seek=$3 "of=${roots[$1]}/profile/staging"
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run_check $SUDO_HELPER mv "${roots[$1]}/profile/staging" "${roots[$1]}/profile/$2"
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}
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run_check_copy_snapshot_with_diff()
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{
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_mktemp_local send.data
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run_check $SUDO_HELPER "$TOP/btrfs" send -f send.data -p "${roots[$1]}/.snapshots/$2" "${roots[$1]}/.snapshots/$3"
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f send.data "${roots[$4]}/.snapshots"
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}
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run_check_backup_profile()
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{
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "${roots[$1]}/profile" "${roots[$1]}/.snapshots/$3"
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run_check_copy_snapshot_with_diff "$1" "$2" "$3" "$i_ext"
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# Don't keep old snapshot in pc
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume delete "${roots[$1]}/.snapshots/$2"
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}
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run_check_restore_profile()
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{
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot "${roots[$1]}/.snapshots/$2" "${roots[$1]}/profile"
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}
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run_check_copy_fresh_backup_and_replace_profile()
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{
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run_check_copy_snapshot_with_diff "$i_ext" "$2" "$3" "$1"
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# IRL, it would be a nice idea to make a backup snapshot before deleting.
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume delete "${roots[$1]}/profile"
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run_check_restore_profile "$1" "$3"
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# Don't keep old snapshot in pc
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume delete "${roots[$1]}/.snapshots/$2"
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}
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume create "${roots[$i_pc1]}/profile"
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run_check $SUDO_HELPER dd if=/dev/urandom bs=4K count=16 "of=${roots[$i_pc1]}/profile/day1"
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run_check $SUDO_HELPER "$TOP/btrfs" subvolume snapshot -r "${roots[$i_pc1]}/profile" "${roots[$i_pc1]}/.snapshots/day1"
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_mktemp_local send.data
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run_check $SUDO_HELPER "$TOP/btrfs" send -f send.data "${roots[$i_pc1]}/.snapshots/day1"
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f send.data "${roots[$i_ext]}/.snapshots"
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run_check_update_file "$i_pc1" day1 2
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run_check_backup_profile "$i_pc1" day1 day2
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_mktemp_local send.data
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run_check $SUDO_HELPER "$TOP/btrfs" send -f send.data "${roots[$i_ext]}/.snapshots/day2"
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run_check $SUDO_HELPER "$TOP/btrfs" receive -f send.data "${roots[$i_pc2]}/.snapshots"
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run_check_restore_profile "$i_pc2" day2
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run_check_update_file "$i_pc2" day1 3
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run_check_backup_profile "$i_pc2" day2 day3
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run_check_update_file "$i_pc2" day1 4
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run_check_backup_profile "$i_pc2" day3 day4
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run_check_copy_fresh_backup_and_replace_profile "$i_pc1" day2 day4
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run_check_update_file "$i_pc1" day1 5
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run_check_backup_profile "$i_pc1" day4 day5
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run_check_copy_fresh_backup_and_replace_profile "$i_pc2" day4 day5
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run_check_update_file "$i_pc2" day1 6
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run_check_backup_profile "$i_pc2" day5 day6
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run_check_umount_test_dev "${loopdevs[@]}"
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rmdir "${roots[@]}"
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rm -f send.data
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cleanup_loopdevs
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