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Re: [Qemu-devel] [PATCH v2 09/11] iotests: Convert to preallocated encry
From: |
Maxim Levitsky |
Subject: |
Re: [Qemu-devel] [PATCH v2 09/11] iotests: Convert to preallocated encrypted qcow2 |
Date: |
Thu, 25 Jul 2019 18:30:29 +0300 |
On Wed, 2019-07-24 at 19:12 +0200, Max Reitz wrote:
> Add a test case for converting an empty image (which only returns zeroes
> when read) to a preallocated encrypted qcow2 image.
> qcow2_has_zero_init() should return 0 then, thus forcing qemu-img
> convert to create zero clusters.
>
> Signed-off-by: Max Reitz <address@hidden>
> Acked-by: Stefano Garzarella <address@hidden>
> Tested-by: Stefano Garzarella <address@hidden>
> ---
> tests/qemu-iotests/188 | 20 +++++++++++++++++++-
> tests/qemu-iotests/188.out | 4 ++++
> 2 files changed, 23 insertions(+), 1 deletion(-)
>
> diff --git a/tests/qemu-iotests/188 b/tests/qemu-iotests/188
> index be7278aa65..afca44df54 100755
> --- a/tests/qemu-iotests/188
> +++ b/tests/qemu-iotests/188
> @@ -48,7 +48,7 @@ SECRETALT="secret,id=sec0,data=platypus"
>
> _make_test_img --object $SECRET -o
> "encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10" $size
>
> -IMGSPEC="driver=$IMGFMT,file.filename=$TEST_IMG,encrypt.key-secret=sec0"
> +IMGSPEC="driver=$IMGFMT,encrypt.key-secret=sec0,file.filename=$TEST_IMG"
This change I think doesn't change anything
>
> QEMU_IO_OPTIONS=$QEMU_IO_OPTIONS_NO_FMT
>
> @@ -68,6 +68,24 @@ echo
> echo "== verify open failure with wrong password =="
> $QEMU_IO --object $SECRETALT -c "read -P 0xa 0 $size" --image-opts $IMGSPEC
> | _filter_qemu_io | _filter_testdir
>
> +_cleanup_test_img
> +
> +echo
> +echo "== verify that has_zero_init returns false when preallocating =="
> +
> +# Empty source file
> +if [ -n "$TEST_IMG_FILE" ]; then
> + TEST_IMG_FILE="${TEST_IMG_FILE}.orig" _make_test_img $size
> +else
> + TEST_IMG="${TEST_IMG}.orig" _make_test_img $size
> +fi
I wonder why do we have TEST_IMG_FILE and TEST_IMG, I don't know iotests well
enough
>From the quick look at the code, the TEST_IMG_FILE is an actual file, while
>TEST_IMG can
be various URL like address.
> +
> +$QEMU_IMG convert -O "$IMGFMT" --object $SECRET \
> + -o
> "encrypt.format=luks,encrypt.key-secret=sec0,encrypt.iter-time=10,preallocation=metadata"
> \
> + "${TEST_IMG}.orig" "$TEST_IMG"
> +
> +$QEMU_IMG compare --object $SECRET --image-opts "${IMGSPEC}.orig" "$IMGSPEC"
> +
>
> # success, all done
> echo "*** done"
> diff --git a/tests/qemu-iotests/188.out b/tests/qemu-iotests/188.out
> index 97b1402671..c568ef3701 100644
> --- a/tests/qemu-iotests/188.out
> +++ b/tests/qemu-iotests/188.out
> @@ -15,4 +15,8 @@ read 16777216/16777216 bytes at offset 0
>
> == verify open failure with wrong password ==
> qemu-io: can't open: Invalid password, cannot unlock any keyslot
> +
> +== verify that has_zero_init returns false when preallocating ==
> +Formatting 'TEST_DIR/t.IMGFMT.orig', fmt=IMGFMT size=16777216
> +Images are identical.
> *** done
Reviewed-by: Maxim Levitsky <address@hidden>
Best regards,
Maxim Levitsky
- Re: [Qemu-devel] [PATCH v2 04/11] block: Implement .bdrv_has_zero_init_truncate(), (continued)
- [Qemu-devel] [PATCH v2 05/11] block: Use bdrv_has_zero_init_truncate(), Max Reitz, 2019/07/24
- [Qemu-devel] [PATCH v2 06/11] qcow2: Fix .bdrv_has_zero_init(), Max Reitz, 2019/07/24
- [Qemu-devel] [PATCH v2 07/11] vdi: Fix .bdrv_has_zero_init(), Max Reitz, 2019/07/24
- [Qemu-devel] [PATCH v2 08/11] vhdx: Fix .bdrv_has_zero_init(), Max Reitz, 2019/07/24
- [Qemu-devel] [PATCH v2 09/11] iotests: Convert to preallocated encrypted qcow2, Max Reitz, 2019/07/24
- Re: [Qemu-devel] [PATCH v2 09/11] iotests: Convert to preallocated encrypted qcow2,
Maxim Levitsky <=
- [Qemu-devel] [PATCH v2 10/11] iotests: Test convert -n to pre-filled image, Max Reitz, 2019/07/24
- [Qemu-devel] [PATCH v2 11/11] iotests: Full mirror to existing non-zero image, Max Reitz, 2019/07/24