diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/291 | 22 | ||||
| -rw-r--r-- | tests/qemu-iotests/291.out | 20 | ||||
| -rwxr-xr-x | tests/qemu-iotests/309 | 77 | ||||
| -rw-r--r-- | tests/qemu-iotests/309.out | 22 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 |
5 files changed, 115 insertions, 27 deletions
diff --git a/tests/qemu-iotests/291 b/tests/qemu-iotests/291 index 4f837b2056..ecef9eec62 100755 --- a/tests/qemu-iotests/291 +++ b/tests/qemu-iotests/291 @@ -42,6 +42,14 @@ _require_command QEMU_NBD # compat=0.10 does not support bitmaps _unsupported_imgopts 'compat=0.10' +# Filter irrelevant format-specific information from the qemu-img info +# output (we only want the bitmaps, basically) +_filter_irrelevant_img_info() +{ + grep -v -e 'compat' -e 'compression type' -e 'data file' -e 'extended l2' \ + -e 'lazy refcounts' -e 'refcount bits' +} + echo echo "=== Initial image setup ===" echo @@ -79,7 +87,7 @@ echo # Only bitmaps from the active layer are copied $QEMU_IMG convert --bitmaps -O qcow2 "$TEST_IMG.orig" "$TEST_IMG" -_img_info --format-specific +_img_info --format-specific | _filter_irrelevant_img_info # But we can also merge in bitmaps from other layers. This test is a bit # contrived to cover more code paths, in reality, you could merge directly # into b0 without going through tmp @@ -89,7 +97,7 @@ $QEMU_IMG bitmap --add --merge b0 -b "$TEST_IMG.base" -F $IMGFMT \ $QEMU_IMG bitmap --merge tmp -f $IMGFMT "$TEST_IMG" b0 $QEMU_IMG bitmap --remove --image-opts \ driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG" tmp -_img_info --format-specific +_img_info --format-specific | _filter_irrelevant_img_info echo echo "=== Merge from top layer into backing image ===" @@ -98,7 +106,7 @@ echo $QEMU_IMG rebase -u -F qcow2 -b "$TEST_IMG.base" "$TEST_IMG" $QEMU_IMG bitmap --add --merge b2 -b "$TEST_IMG" -F $IMGFMT \ -f $IMGFMT "$TEST_IMG.base" b3 -_img_info --format-specific --backing-chain +_img_info --format-specific --backing-chain | _filter_irrelevant_img_info echo echo "=== Check bitmap contents ===" @@ -107,19 +115,19 @@ echo # x-dirty-bitmap is a hack for reading bitmaps; it abuses block status to # report "data":false for portions of the bitmap which are set IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" -nbd_server_start_unix_socket -r -f qcow2 -B b0 "$TEST_IMG" +nbd_server_start_unix_socket -r -f qcow2 \ + -B b0 -B b1 -B b2 -B b3 "$TEST_IMG" $QEMU_IMG map --output=json --image-opts \ "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b0" | _filter_qemu_img_map -nbd_server_start_unix_socket -r -f qcow2 -B b1 "$TEST_IMG" $QEMU_IMG map --output=json --image-opts \ "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b1" | _filter_qemu_img_map -nbd_server_start_unix_socket -r -f qcow2 -B b2 "$TEST_IMG" $QEMU_IMG map --output=json --image-opts \ "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b2" | _filter_qemu_img_map -nbd_server_start_unix_socket -r -f qcow2 -B b3 "$TEST_IMG" $QEMU_IMG map --output=json --image-opts \ "$IMG,x-dirty-bitmap=qemu:dirty-bitmap:b3" | _filter_qemu_img_map +nbd_server_stop + # success, all done echo '*** done' rm -f $seq.full diff --git a/tests/qemu-iotests/291.out b/tests/qemu-iotests/291.out index 3990f7aacc..23411c0ff4 100644 --- a/tests/qemu-iotests/291.out +++ b/tests/qemu-iotests/291.out @@ -26,9 +26,6 @@ file format: IMGFMT virtual size: 10 MiB (10485760 bytes) cluster_size: 65536 Format specific information: - compat: 1.1 - compression type: zlib - lazy refcounts: false bitmaps: [0]: flags: @@ -39,17 +36,12 @@ Format specific information: [0]: auto name: b2 granularity: 65536 - refcount bits: 16 corrupt: false - extended l2: false image: TEST_DIR/t.IMGFMT file format: IMGFMT virtual size: 10 MiB (10485760 bytes) cluster_size: 65536 Format specific information: - compat: 1.1 - compression type: zlib - lazy refcounts: false bitmaps: [0]: flags: @@ -64,9 +56,7 @@ Format specific information: flags: name: b0 granularity: 65536 - refcount bits: 16 corrupt: false - extended l2: false === Merge from top layer into backing image === @@ -77,9 +67,6 @@ cluster_size: 65536 backing file: TEST_DIR/t.IMGFMT.base backing file format: IMGFMT Format specific information: - compat: 1.1 - compression type: zlib - lazy refcounts: false bitmaps: [0]: flags: @@ -94,18 +81,13 @@ Format specific information: flags: name: b0 granularity: 65536 - refcount bits: 16 corrupt: false - extended l2: false image: TEST_DIR/t.IMGFMT.base file format: IMGFMT virtual size: 10 MiB (10485760 bytes) cluster_size: 65536 Format specific information: - compat: 1.1 - compression type: zlib - lazy refcounts: false bitmaps: [0]: flags: @@ -117,9 +99,7 @@ Format specific information: [0]: auto name: b3 granularity: 65536 - refcount bits: 16 corrupt: false - extended l2: false === Check bitmap contents === diff --git a/tests/qemu-iotests/309 b/tests/qemu-iotests/309 new file mode 100755 index 0000000000..fb61157c2e --- /dev/null +++ b/tests/qemu-iotests/309 @@ -0,0 +1,77 @@ +#!/usr/bin/env bash +# +# Test qemu-nbd -A +# +# Copyright (C) 2018-2020 Red Hat, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# + +seq="$(basename $0)" +echo "QA output created by $seq" + +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_test_img + nbd_server_stop +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +. ./common.rc +. ./common.filter +. ./common.nbd + +_supported_fmt qcow2 +_supported_proto file +_supported_os Linux +_require_command QEMU_NBD + +echo +echo "=== Initial image setup ===" +echo + +TEST_IMG="$TEST_IMG.base" _make_test_img 4M +$QEMU_IO -c 'w 0 2M' -f $IMGFMT "$TEST_IMG.base" | _filter_qemu_io +_make_test_img -b "$TEST_IMG.base" -F $IMGFMT 4M +$QEMU_IO -c 'w 1M 2M' -f $IMGFMT "$TEST_IMG" | _filter_qemu_io + +echo +echo "=== Check allocation over NBD ===" +echo + +$QEMU_IMG map --output=json -f qcow2 "$TEST_IMG" +IMG="driver=nbd,server.type=unix,server.path=$nbd_unix_socket" +nbd_server_start_unix_socket -r -f qcow2 -A "$TEST_IMG" +# Normal -f raw NBD block status loses access to allocation information +$QEMU_IMG map --output=json --image-opts \ + "$IMG" | _filter_qemu_img_map +# But when we use -A, coupled with x-dirty-bitmap in the client for feeding +# 2-bit block status from an alternative NBD metadata context (note that +# the client code for x-dirty-bitmap intentionally collapses all depths +# beyond 2 into a single value), we can determine: +# unallocated (depth 0) => "zero":false, "data":true +# local (depth 1) => "zero":false, "data":false +# backing (depth 2+) => "zero":true, "data":true +$QEMU_IMG map --output=json --image-opts \ + "$IMG,x-dirty-bitmap=qemu:allocation-depth" | _filter_qemu_img_map +# More accurate results can be obtained by other NBD clients such as +# libnbd, but this test works without such external dependencies. + +# success, all done +echo '*** done' +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/309.out b/tests/qemu-iotests/309.out new file mode 100644 index 0000000000..db75bb6b0d --- /dev/null +++ b/tests/qemu-iotests/309.out @@ -0,0 +1,22 @@ +QA output created by 309 + +=== Initial image setup === + +Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=4194304 +wrote 2097152/2097152 bytes at offset 0 +2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=4194304 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT +wrote 2097152/2097152 bytes at offset 1048576 +2 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +=== Check allocation over NBD === + +[{ "start": 0, "length": 1048576, "depth": 1, "zero": false, "data": true, "offset": 327680}, +{ "start": 1048576, "length": 2097152, "depth": 0, "zero": false, "data": true, "offset": 327680}, +{ "start": 3145728, "length": 1048576, "depth": 1, "zero": true, "data": false}] +[{ "start": 0, "length": 3145728, "depth": 0, "zero": false, "data": true, "offset": OFFSET}, +{ "start": 3145728, "length": 1048576, "depth": 0, "zero": true, "data": false, "offset": OFFSET}] +[{ "start": 0, "length": 1048576, "depth": 0, "zero": true, "data": true, "offset": OFFSET}, +{ "start": 1048576, "length": 2097152, "depth": 0, "zero": false, "data": false}, +{ "start": 3145728, "length": 1048576, "depth": 0, "zero": false, "data": true, "offset": OFFSET}] +*** done diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 3432989283..2960dff728 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -315,3 +315,4 @@ 304 rw quick 305 rw quick 307 rw quick export +309 rw auto quick |