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From 9fe83d3e480a74024150774c38373122084dfe10 Mon Sep 17 00:00:00 2001
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From: Max Reitz <mreitz@redhat.com>
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Date: Wed, 6 Nov 2013 16:53:38 +0100
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Subject: [PATCH 81/87] qemu-iotests: Discard specific info in _img_info
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RH-Author: Max Reitz <mreitz@redhat.com>
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Message-id: <1383756824-6921-16-git-send-email-mreitz@redhat.com>
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Patchwork-id: 55570
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O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 15/21] qemu-iotests: Discard specific info in _img_info
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Bugzilla: 980771
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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BZ: 980771
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In _img_info, filter out additional information specific to the image
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format provided by qemu-img info, since tests designed for multiple
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image formats would produce different outputs for every image format
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otherwise.
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In a human-readable dump, that new information will always be last for
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each "image information block" (multiple blocks are emitted when
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inspecting the backing file chain). Every block is separated by an empty
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line. Therefore, in this case, everything starting with the line "Format
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specific information:" up to that empty line (or EOF, if it is the last
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block) has to be stripped.
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The JSON dump will always emit pretty JSON data. Therefore, the opening
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and closing braces of every object will be on lines which are indented
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by exactly the same amount, and all lines in between will have more
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indentation. Thus, in this case, everything starting with a line
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matching the regular expression /^ *"format-specific": {/ until /^ *},?/
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has to be stripped, where the number of spaces at the beginning of the
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respective lines is equal.
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 4c2e946500c45685fdec61b3d929311dc26a2ad5)
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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---
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tests/qemu-iotests/common.rc | 20 +++++++++++++++++++-
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1 file changed, 19 insertions(+), 1 deletion(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tests/qemu-iotests/common.rc | 20 +++++++++++++++++++-
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1 files changed, 19 insertions(+), 1 deletions(-)
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diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
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index 1b22db0..227c003 100644
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--- a/tests/qemu-iotests/common.rc
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+++ b/tests/qemu-iotests/common.rc
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@@ -197,12 +197,30 @@ _check_test_img()
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_img_info()
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{
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+ discard=0
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+ regex_json_spec_start='^ *"format-specific": \{'
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$QEMU_IMG info "$@" "$TEST_IMG" 2>&1 | \
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sed -e "s#$IMGPROTO:$TEST_DIR#TEST_DIR#g" \
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-e "s#$TEST_DIR#TEST_DIR#g" \
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-e "s#$IMGFMT#IMGFMT#g" \
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-e "/^disk size:/ D" \
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- -e "/actual-size/ D"
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+ -e "/actual-size/ D" | \
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+ while IFS='' read line; do
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+ if [[ $line == "Format specific information:" ]]; then
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+ discard=1
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+ elif [[ $line =~ $regex_json_spec_start ]]; then
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+ discard=2
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+ regex_json_spec_end="^${line%%[^ ]*}\\},? *$"
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+ fi
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+ if [[ $discard == 0 ]]; then
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+ echo "$line"
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+ elif [[ $discard == 1 && ! $line ]]; then
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+ echo
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+ discard=0
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+ elif [[ $discard == 2 && $line =~ $regex_json_spec_end ]]; then
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+ discard=0
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+ fi
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+ done
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}
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_get_pids_by_name()
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--
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1.7.1
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