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[PULL 2/4] iotests: Test internal snapshots with -blockdev
|
From: |
Kevin Wolf |
|
Subject: |
[PULL 2/4] iotests: Test internal snapshots with -blockdev |
|
Date: |
Fri, 20 Sep 2019 18:20:56 +0200 |
Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Peter Krempa <address@hidden>
Tested-by: Peter Krempa <address@hidden>
---
tests/qemu-iotests/267 | 168 ++++++++++++++++++++++++++++
tests/qemu-iotests/267.out | 182 +++++++++++++++++++++++++++++++
tests/qemu-iotests/common.filter | 5 +-
tests/qemu-iotests/group | 1 +
4 files changed, 352 insertions(+), 4 deletions(-)
create mode 100755 tests/qemu-iotests/267
create mode 100644 tests/qemu-iotests/267.out
diff --git a/tests/qemu-iotests/267 b/tests/qemu-iotests/267
new file mode 100755
index 0000000000..95f885442f
--- /dev/null
+++ b/tests/qemu-iotests/267
@@ -0,0 +1,168 @@
+#!/usr/bin/env bash
+#
+# Test which nodes are involved in internal snapshots
+#
+# Copyright (C) 2019 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/>.
+#
+
+# creator
+owner=address@hidden
+
+seq=`basename $0`
+echo "QA output created by $seq"
+
+status=1 # failure is the default!
+
+_cleanup()
+{
+ _cleanup_test_img
+ rm -f "$TEST_DIR/nbd"
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt qcow2
+_supported_proto file
+_supported_os Linux
+
+# Internal snapshots are (currently) impossible with refcount_bits=1
+_unsupported_imgopts 'refcount_bits=1[^0-9]'
+
+do_run_qemu()
+{
+ echo Testing: "$@"
+ (
+ if ! test -t 0; then
+ while read cmd; do
+ echo $cmd
+ done
+ fi
+ echo quit
+ ) | $QEMU -nographic -monitor stdio -nodefaults "$@"
+ echo
+}
+
+run_qemu()
+{
+ do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_hmp |
+ _filter_generated_node_ids | _filter_imgfmt
+}
+
+size=128M
+
+run_test()
+{
+ _make_test_img $size
+ printf "savevm snap0\ninfo snapshots\nloadvm snap0\n" | run_qemu "$@" |
_filter_date
+}
+
+
+echo
+echo "=== No block devices at all ==="
+echo
+
+run_test
+
+echo
+echo "=== -drive if=none ==="
+echo
+
+run_test -drive driver=file,file="$TEST_IMG",if=none
+run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none
+run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none -device
virtio-blk,drive=none0
+
+echo
+echo "=== -drive if=virtio ==="
+echo
+
+run_test -drive driver=file,file="$TEST_IMG",if=virtio
+run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=virtio
+
+echo
+echo "=== Simple -blockdev ==="
+echo
+
+run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file
+run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
+ -blockdev driver=$IMGFMT,file=file,node-name=fmt
+run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
+ -blockdev driver=raw,file=file,node-name=raw \
+ -blockdev driver=$IMGFMT,file=raw,node-name=fmt
+
+echo
+echo "=== -blockdev with a filter on top ==="
+echo
+
+run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
+ -blockdev driver=$IMGFMT,file=file,node-name=fmt \
+ -blockdev driver=copy-on-read,file=fmt,node-name=filter
+
+echo
+echo "=== -blockdev with a backing file ==="
+echo
+
+TEST_IMG="$TEST_IMG.base" _make_test_img $size
+
+IMGOPTS="backing_file=$TEST_IMG.base" \
+run_test -blockdev
driver=file,filename="$TEST_IMG.base",node-name=backing-file \
+ -blockdev driver=file,filename="$TEST_IMG",node-name=file \
+ -blockdev driver=$IMGFMT,file=file,backing=backing-file,node-name=fmt
+
+IMGOPTS="backing_file=$TEST_IMG.base" \
+run_test -blockdev
driver=file,filename="$TEST_IMG.base",node-name=backing-file \
+ -blockdev driver=$IMGFMT,file=backing-file,node-name=backing-fmt \
+ -blockdev driver=file,filename="$TEST_IMG",node-name=file \
+ -blockdev driver=$IMGFMT,file=file,backing=backing-fmt,node-name=fmt
+
+# A snapshot should be present on the overlay, but not the backing file
+echo Internal snapshots on overlay:
+$QEMU_IMG snapshot -l "$TEST_IMG" | _filter_date
+
+echo Internal snapshots on backing file:
+$QEMU_IMG snapshot -l "$TEST_IMG.base" | _filter_date
+
+echo
+echo "=== -blockdev with NBD server on the backing file ==="
+echo
+
+IMGOPTS="backing_file=$TEST_IMG.base" _make_test_img $size
+cat <<EOF |
+nbd_server_start unix:$TEST_DIR/nbd
+nbd_server_add -w backing-fmt
+savevm snap0
+info snapshots
+loadvm snap0
+EOF
+run_qemu -blockdev
driver=file,filename="$TEST_IMG.base",node-name=backing-file \
+ -blockdev driver=$IMGFMT,file=backing-file,node-name=backing-fmt \
+ -blockdev driver=file,filename="$TEST_IMG",node-name=file \
+ -blockdev driver=$IMGFMT,file=file,backing=backing-fmt,node-name=fmt |
+ _filter_date
+
+# This time, a snapshot should be created on both files
+echo Internal snapshots on overlay:
+$QEMU_IMG snapshot -l "$TEST_IMG" | _filter_date
+
+echo Internal snapshots on backing file:
+$QEMU_IMG snapshot -l "$TEST_IMG.base" | _filter_date
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/267.out b/tests/qemu-iotests/267.out
new file mode 100644
index 0000000000..bb13f0ae3c
--- /dev/null
+++ b/tests/qemu-iotests/267.out
@@ -0,0 +1,182 @@
+QA output created by 267
+
+=== No block devices at all ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing:
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+Error: No block device can accept snapshots
+(qemu) info snapshots
+No available block device supports snapshots
+(qemu) loadvm snap0
+Error: No block device supports snapshots
+(qemu) quit
+
+
+=== -drive if=none ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -drive driver=file,file=TEST_DIR/t.IMGFMT,if=none
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+Error: Device 'none0' is writable but does not support snapshots
+(qemu) info snapshots
+No available block device supports snapshots
+(qemu) loadvm snap0
+Error: Device 'none0' is writable but does not support snapshots
+(qemu) quit
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -drive driver=IMGFMT,file=TEST_DIR/t.IMGFMT,if=none
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -drive driver=IMGFMT,file=TEST_DIR/t.IMGFMT,if=none -device
virtio-blk,drive=none0
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 636 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+
+=== -drive if=virtio ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -drive driver=file,file=TEST_DIR/t.IMGFMT,if=virtio
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+Error: Device 'virtio0' is writable but does not support snapshots
+(qemu) info snapshots
+No available block device supports snapshots
+(qemu) loadvm snap0
+Error: Device 'virtio0' is writable but does not support snapshots
+(qemu) quit
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -drive driver=IMGFMT,file=TEST_DIR/t.IMGFMT,if=virtio
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 636 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+
+=== Simple -blockdev ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+Error: Device '' is writable but does not support snapshots
+(qemu) info snapshots
+No available block device supports snapshots
+(qemu) loadvm snap0
+Error: Device '' is writable but does not support snapshots
+(qemu) quit
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file
-blockdev driver=IMGFMT,file=file,node-name=fmt
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file
-blockdev driver=raw,file=file,node-name=raw -blockdev
driver=IMGFMT,file=raw,node-name=fmt
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+
+=== -blockdev with a filter on top ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
+Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file
-blockdev driver=IMGFMT,file=file,node-name=fmt -blockdev
driver=copy-on-read,file=fmt,node-name=filter
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+
+=== -blockdev with a backing file ===
+
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=134217728
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
backing_file=TEST_DIR/t.IMGFMT.base
+Testing: -blockdev
driver=file,filename=TEST_DIR/t.IMGFMT.base,node-name=backing-file -blockdev
driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file -blockdev
driver=IMGFMT,file=file,backing=backing-file,node-name=fmt
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
backing_file=TEST_DIR/t.IMGFMT.base
+Testing: -blockdev
driver=file,filename=TEST_DIR/t.IMGFMT.base,node-name=backing-file -blockdev
driver=IMGFMT,file=backing-file,node-name=backing-fmt -blockdev
driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file -blockdev
driver=IMGFMT,file=file,backing=backing-fmt,node-name=fmt
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+Internal snapshots on overlay:
+Snapshot list:
+ID TAG VM SIZE DATE VM CLOCK
+1 snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+Internal snapshots on backing file:
+
+=== -blockdev with NBD server on the backing file ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
backing_file=TEST_DIR/t.IMGFMT.base
+Testing: -blockdev
driver=file,filename=TEST_DIR/t.IMGFMT.base,node-name=backing-file -blockdev
driver=IMGFMT,file=backing-file,node-name=backing-fmt -blockdev
driver=file,filename=TEST_DIR/t.IMGFMT,node-name=file -blockdev
driver=IMGFMT,file=file,backing=backing-fmt,node-name=fmt
+QEMU X.Y.Z monitor - type 'help' for more information
+(qemu) nbd_server_start unix:TEST_DIR/nbd
+(qemu) nbd_server_add -w backing-fmt
+(qemu) savevm snap0
+(qemu) info snapshots
+List of snapshots present on all disks:
+ID TAG VM SIZE DATE VM CLOCK
+-- snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+(qemu) loadvm snap0
+(qemu) quit
+
+Internal snapshots on overlay:
+Snapshot list:
+ID TAG VM SIZE DATE VM CLOCK
+1 snap0 0 B yyyy-mm-dd hh:mm:ss 00:00:00.000
+Internal snapshots on backing file:
+Snapshot list:
+ID TAG VM SIZE DATE VM CLOCK
+1 snap0 591 KiB yyyy-mm-dd hh:mm:ss 00:00:00.000
+*** done
diff --git a/tests/qemu-iotests/common.filter b/tests/qemu-iotests/common.filter
index 445a1c23e0..841f7642af 100644
--- a/tests/qemu-iotests/common.filter
+++ b/tests/qemu-iotests/common.filter
@@ -19,12 +19,9 @@
# standard filters
#
-# ctime(3) dates
-#
_filter_date()
{
- $SED \
- -e 's/[A-Z][a-z][a-z] [A-z][a-z][a-z] *[0-9][0-9]*
[0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9]$/DATE/'
+ $SED -re 's/[0-9]{4}-[0-9]{2}-[0-9]{2}
[0-9]{2}:[0-9]{2}:[0-9]{2}/yyyy-mm-dd hh:mm:ss/'
}
_filter_generated_node_ids()
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 5d3da937e4..5805a79d9e 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -277,3 +277,4 @@
263 rw quick
265 rw auto quick
266 rw quick
+267 rw auto quick snapshot
--
2.20.1