Blame SOURCES/kvm-iotests-Backup-with-different-source-target-size.patch

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From 456c5e79c32e3f2f9319a7d1452fe523aded7835 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Wed, 3 Jun 2020 16:03:21 +0100
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Subject: [PATCH 22/26] iotests: Backup with different source/target size
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20200603160325.67506-8-kwolf@redhat.com>
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Patchwork-id: 97106
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O-Subject: [RHEL-AV-8.2.1 qemu-kvm PATCH v2 07/11] iotests: Backup with different source/target size
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Bugzilla: 1778593
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RH-Acked-by: Eric Blake <eblake@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Stefano Garzarella <sgarzare@redhat.com>
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This tests that the backup job catches situations where the target node
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has a different size than the source node. It must also forbid resize
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operations when the job is already running.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Message-Id: <20200430142755.315494-5-kwolf@redhat.com>
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Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 0a82a9273062d05764e3df3637b3aa95ad8291c6)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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 tests/qemu-iotests/055     | 42 ++++++++++++++++++++++++++++++++++++++++--
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 tests/qemu-iotests/055.out |  4 ++--
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 2 files changed, 42 insertions(+), 4 deletions(-)
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diff --git a/tests/qemu-iotests/055 b/tests/qemu-iotests/055
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index c9cdc06..1c70389 100755
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--- a/tests/qemu-iotests/055
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+++ b/tests/qemu-iotests/055
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@@ -48,8 +48,10 @@ class TestSingleDrive(iotests.QMPTestCase):
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     def setUp(self):
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         qemu_img('create', '-f', iotests.imgfmt, blockdev_target_img, str(image_len))
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-        self.vm = iotests.VM().add_drive('blkdebug::' + test_img)
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-        self.vm.add_drive(blockdev_target_img, interface="none")
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+        self.vm = iotests.VM()
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+        self.vm.add_drive('blkdebug::' + test_img, 'node-name=source')
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+        self.vm.add_drive(blockdev_target_img, 'node-name=target',
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+                          interface="none")
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         if iotests.qemu_default_machine == 'pc':
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             self.vm.add_drive(None, 'media=cdrom', 'ide')
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         self.vm.launch()
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@@ -112,6 +114,42 @@ class TestSingleDrive(iotests.QMPTestCase):
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     def test_pause_blockdev_backup(self):
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         self.do_test_pause('blockdev-backup', 'drive1', blockdev_target_img)
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+    def do_test_resize_blockdev_backup(self, device, node):
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+        def pre_finalize():
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+            result = self.vm.qmp('block_resize', device=device, size=65536)
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+            self.assert_qmp(result, 'error/class', 'GenericError')
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+
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+            result = self.vm.qmp('block_resize', node_name=node, size=65536)
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+            self.assert_qmp(result, 'error/class', 'GenericError')
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+
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+        result = self.vm.qmp('blockdev-backup', job_id='job0', device='drive0',
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+                             target='drive1', sync='full', auto_finalize=False,
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+                             auto_dismiss=False)
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+        self.assert_qmp(result, 'return', {})
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+
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+        self.vm.run_job('job0', auto_finalize=False, pre_finalize=pre_finalize,
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+                        use_log=False)
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+
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+    def test_source_resize_blockdev_backup(self):
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+        self.do_test_resize_blockdev_backup('drive0', 'source')
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+
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+    def test_target_resize_blockdev_backup(self):
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+        self.do_test_resize_blockdev_backup('drive1', 'target')
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+
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+    def do_test_target_size(self, size):
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+        result = self.vm.qmp('block_resize', device='drive1', size=size)
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+        self.assert_qmp(result, 'return', {})
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+
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+        result = self.vm.qmp('blockdev-backup', job_id='job0', device='drive0',
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+                             target='drive1', sync='full')
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+        self.assert_qmp(result, 'error/class', 'GenericError')
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+
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+    def test_small_target(self):
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+        self.do_test_target_size(image_len // 2)
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+
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+    def test_large_target(self):
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+        self.do_test_target_size(image_len * 2)
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+
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     def test_medium_not_found(self):
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         if iotests.qemu_default_machine != 'pc':
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             return
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diff --git a/tests/qemu-iotests/055.out b/tests/qemu-iotests/055.out
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index 5c26d15..0a5e958 100644
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--- a/tests/qemu-iotests/055.out
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+++ b/tests/qemu-iotests/055.out
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@@ -1,5 +1,5 @@
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-....................................
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+........................................
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 ----------------------------------------------------------------------
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-Ran 36 tests
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+Ran 40 tests
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 OK
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-- 
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1.8.3.1
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