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Re: [Qemu-devel] [PATCH v5 2/5] iotests: fix remainining tests to work w


From: Max Reitz
Subject: Re: [Qemu-devel] [PATCH v5 2/5] iotests: fix remainining tests to work with LUKS
Date: Wed, 31 May 2017 17:33:26 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0

On 2017-05-09 19:33, Daniel P. Berrange wrote:
> The tests 033, 140, 145 and 157 were all broken
> when run with LUKS, since they did not correctly use
> the required image opts args syntax to specify the
> decryption secret. Further, the 120 test simply does
> not make sense to run with luks, as the scenario
> exercised is not relevant.
> 
> The test 181 was broken when run with LUKS because
> it didn't take account of fact that $TEST_IMG was
> already in image opts syntax. The launch_qemu
> helper also didn't register the secret object
> providing the LUKS password.
> 
> Signed-off-by: Daniel P. Berrange <address@hidden>
> ---
>  tests/qemu-iotests/033         | 12 ++++++++++--
>  tests/qemu-iotests/120         |  1 +
>  tests/qemu-iotests/140         | 11 ++++++++++-
>  tests/qemu-iotests/145         | 19 +++++++++++++++++--
>  tests/qemu-iotests/157         | 17 ++++++++++++++---
>  tests/qemu-iotests/157.out     | 16 ++++++++--------
>  tests/qemu-iotests/174         |  2 +-
>  tests/qemu-iotests/181         | 21 ++++++++++++++++-----
>  tests/qemu-iotests/common.qemu |  9 +++++++--
>  9 files changed, 84 insertions(+), 24 deletions(-)

[...]

> diff --git a/tests/qemu-iotests/140 b/tests/qemu-iotests/140
> index 8c80a5a..0a2105c 100755
> --- a/tests/qemu-iotests/140
> +++ b/tests/qemu-iotests/140
> @@ -52,8 +52,17 @@ _make_test_img 64k
>  
>  $QEMU_IO -c 'write -P 42 0 64k' "$TEST_IMG" | _filter_qemu_io
>  
> +if test "$IMGOPTSSYNTAX" = "true"
> +then
> +    SYSEMU_DRIVE_ARG=if=none,media=cdrom,id=drv,$TEST_IMG

I would like to propose wrapping this (or at least $TEST_IMG) in quotes,
but I'm aware of the fact that the whole test environment breaks if you
have a TEST_DIR with whitespace in it, so I don't mind...

(But it is a bit weird to put $TEST_IMG into quotes below and then use
$SYSEMU_DRIVE_ARG unquoted.)

> +    SYSEMU_EXTRA_ARGS=""
> +else
> +    
> SYSEMU_DRIVE_ARG=if=none,media=cdrom,id=drv,file="$TEST_IMG",driver=$IMGFMT
> +    SYSEMU_EXTRA_ARGS=""
> +fi
> +
>  keep_stderr=y \
> -_launch_qemu -drive 
> if=none,media=cdrom,id=drv,file="$TEST_IMG",format=$IMGFMT \
> +_launch_qemu $SYSEMU_EXTRA_ARGS -drive $SYSEMU_DRIVE_ARG \

But could you drop the $SYSEMU_EXTRA_ARGS? It doesn't seem to serve a
purpose (anymore, now that you added this to _launch_qemu itself).

>      2> >(_filter_nbd)
>  
>  _send_qemu_cmd $QEMU_HANDLE \
> diff --git a/tests/qemu-iotests/145 b/tests/qemu-iotests/145
> index e6c6bc4..9cfa940 100755
> --- a/tests/qemu-iotests/145
> +++ b/tests/qemu-iotests/145
> @@ -43,8 +43,23 @@ _supported_proto generic
>  _supported_os Linux
>  
>  _make_test_img 1M
> -echo quit | $QEMU -nographic -hda "$TEST_IMG" -incoming 'exec:true' 
> -snapshot -serial none -monitor stdio |
> -    _filter_qemu | _filter_hmp
> +
> +if test "$IMGOPTSSYNTAX" = "true"
> +then
> +    SYSEMU_DRIVE_ARG=if=none,$TEST_IMG
> +    SYSEMU_EXTRA_ARGS=""
> +    if [ -n "$IMGKEYSECRET" ]; then
> +     SECRET_ARG="secret,id=keysec0,data=$IMGKEYSECRET"
> +     SYSEMU_EXTRA_ARGS="-object $SECRET_ARG"

Please use spaces instead of tabs.

(I know there are a lot of tabs in the test files already, but according
to CODING_STYLE, that is just wrong.)

> +    fi
> +else
> +    SYSEMU_DRIVE_ARG=if=none,file="$TEST_IMG",driver=$IMGFMT
> +    SYSEMU_EXTRA_ARGS=""
> +fi
> +
> +echo quit | $QEMU -nographic $SYSEMU_EXTRA_ARGS  -drive $SYSEMU_DRIVE_ARG \
> +                  -incoming 'exec:true' -snapshot -serial none -monitor 
> stdio \
> +          | _filter_qemu | _filter_hmp
>  
>  # success, all done
>  echo "*** done"
> diff --git a/tests/qemu-iotests/157 b/tests/qemu-iotests/157
> index 8d939cb..f5d22fa 100755
> --- a/tests/qemu-iotests/157
> +++ b/tests/qemu-iotests/157
> @@ -43,7 +43,6 @@ _supported_os Linux
>  
>  function do_run_qemu()
>  {
> -    echo Testing: "$@"
>      (
>          if ! test -t 0; then
>              while read cmd; do
> @@ -63,7 +62,18 @@ function run_qemu()
>  
>  
>  size=128M
> -drive="if=none,file=$TEST_IMG,driver=$IMGFMT"
> +if test "$IMGOPTSSYNTAX" = "true"
> +then
> +    SYSEMU_DRIVE_ARG=if=none,$TEST_IMG
> +    SYSEMU_EXTRA_ARGS=""
> +    if [ -n "$IMGKEYSECRET" ]; then
> +     SECRET_ARG="secret,id=keysec0,data=$IMGKEYSECRET"
> +     SYSEMU_EXTRA_ARGS="-object $SECRET_ARG"

s/\t/    /g

> +    fi
> +else
> +    SYSEMU_DRIVE_ARG=if=none,file="$TEST_IMG",driver=$IMGFMT
> +    SYSEMU_EXTRA_ARGS=""
> +fi
>  
>  _make_test_img $size
>  
> @@ -76,8 +86,9 @@ echo
>  
>  for cache in "writeback" "writethrough"; do
>      for wce in "" ",write-cache=auto" ",write-cache=on" ",write-cache=off"; 
> do
> +        echo "Testing: cache='$cache' wce='$wce'"
>          echo "info block" \
> -            | run_qemu -drive "$drive,cache=$cache" \
> +            | run_qemu $SYSEMU_EXTRA_ARGS -drive 
> "$SYSEMU_DRIVE_ARG,cache=$cache" \
>                         -device "virtio-blk,drive=none0$wce" \
>              | grep -e "Testing" -e "Cache mode"
>      done

[...]

> index e969a2a..71a3b21 100755
> --- a/tests/qemu-iotests/181
> +++ b/tests/qemu-iotests/181
> @@ -55,13 +55,24 @@ echo
>  
>  qemu_comm_method="monitor"
>  
> -_launch_qemu \
> -    -drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk
> +if [ "$IMGOPTSSYNTAX" = "true" ]; the> +  _launch_qemu \

More coding style nit picks: This should be indented with four spaces.

With the style fixed (and maybe Eric's comment addressed) or an explicit
"CODING_STYLE has no power over me!" statement, and with
SYSEMU_EXTRA_ARGS dropped above:

Reviewed-by: Max Reitz <address@hidden>

> +      -drive "${TEST_IMG}",cache=${CACHEMODE},id=disk
> +else
> +  _launch_qemu \
> +      -drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk
> +fi
>  src=$QEMU_HANDLE
>  
> -_launch_qemu \
> -    -drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk \
> -    -incoming "unix:${MIG_SOCKET}"
> +if [ "$IMGOPTSSYNTAX" = "true" ]; then
> +  _launch_qemu \
> +      -drive "${TEST_IMG}",cache=${CACHEMODE},id=disk \
> +      -incoming "unix:${MIG_SOCKET}"
> +else
> +  _launch_qemu \
> +      -drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk \
> +      -incoming "unix:${MIG_SOCKET}"
> +fi
>  dest=$QEMU_HANDLE
>  
>  echo

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