1452 lines
58 KiB
Python
Executable file
1452 lines
58 KiB
Python
Executable file
#!/usr/bin/env python3
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# group: rw auto backing
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#
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# Tests for image mirroring.
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#
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# Copyright (C) 2012 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import time
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import os
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import re
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import json
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import iotests
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from iotests import qemu_img, qemu_img_map, qemu_io
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backing_img = os.path.join(iotests.test_dir, 'backing.img')
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target_backing_img = os.path.join(iotests.test_dir, 'target-backing.img')
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test_img = os.path.join(iotests.test_dir, 'test.img')
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target_img = os.path.join(iotests.test_dir, 'target.img')
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quorum_img1 = os.path.join(iotests.test_dir, 'quorum1.img')
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quorum_img2 = os.path.join(iotests.test_dir, 'quorum2.img')
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quorum_img3 = os.path.join(iotests.test_dir, 'quorum3.img')
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quorum_repair_img = os.path.join(iotests.test_dir, 'quorum_repair.img')
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quorum_snapshot_file = os.path.join(iotests.test_dir, 'quorum_snapshot.img')
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nbd_sock_path = os.path.join(iotests.sock_dir, 'nbd.sock')
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class TestSingleDrive(iotests.QMPTestCase):
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image_len = 1 * 1024 * 1024 # MB
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qmp_cmd = 'drive-mirror'
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qmp_target = target_img
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def setUp(self):
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iotests.create_image(backing_img, self.image_len)
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=%s' % backing_img, '-F', 'raw', test_img)
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self.vm = iotests.VM().add_drive(test_img, "node-name=top,backing.node-name=base")
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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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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def test_complete(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_cancel(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.cancel_and_wait(force=True)
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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def test_cancel_after_ready(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.wait_ready_and_cancel()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_pause(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.pause_job('drive0')
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result = self.vm.qmp('query-block-jobs')
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offset = self.dictpath(result, 'return[0]/offset')
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time.sleep(0.5)
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result = self.vm.qmp('query-block-jobs')
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self.assert_qmp(result, 'return[0]/offset', offset)
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result = self.vm.qmp('block-job-resume', device='drive0')
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_small_buffer(self):
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self.assert_no_active_block_jobs()
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# A small buffer is rounded up automatically
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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buf_size=4096, target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_small_buffer2(self):
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self.assert_no_active_block_jobs()
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,size=%d'
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% (self.image_len, self.image_len), target_img)
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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buf_size=65536, mode='existing', target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_large_cluster(self):
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self.assert_no_active_block_jobs()
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
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% (self.image_len, backing_img),
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'-F', 'raw', target_img)
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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mode='existing', target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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# Tests that the insertion of the mirror_top filter node doesn't make a
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# difference to query-block
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def test_implicit_node(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.assert_qmp(result, 'return[0]/inserted/drv', iotests.imgfmt)
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self.assert_qmp(result, 'return[0]/inserted/backing_file', backing_img)
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self.assert_qmp(result, 'return[0]/inserted/backing_file_depth', 1)
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self.assert_qmp(result, 'return[0]/inserted/image/filename', test_img)
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self.assert_qmp(result, 'return[0]/inserted/image/backing-image/filename', backing_img)
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result = self.vm.qmp('query-blockstats')
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self.assert_qmp(result, 'return[0]/node-name', 'top')
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self.assert_qmp(result, 'return[0]/backing/node-name', 'base')
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self.cancel_and_wait(force=True)
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.assert_qmp(result, 'return[0]/inserted/drv', iotests.imgfmt)
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self.assert_qmp(result, 'return[0]/inserted/backing_file', backing_img)
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self.assert_qmp(result, 'return[0]/inserted/backing_file_depth', 1)
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self.assert_qmp(result, 'return[0]/inserted/image/filename', test_img)
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self.assert_qmp(result, 'return[0]/inserted/image/backing-image/filename', backing_img)
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result = self.vm.qmp('query-blockstats')
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self.assert_qmp(result, 'return[0]/node-name', 'top')
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self.assert_qmp(result, 'return[0]/backing/node-name', 'base')
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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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result = self.vm.qmp(self.qmp_cmd, device='ide1-cd0', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_image_not_found(self):
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result = self.vm.qmp(self.qmp_cmd, device='drive0', sync='full',
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mode='existing', target=self.qmp_target)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def test_device_not_found(self):
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result = self.vm.qmp(self.qmp_cmd, device='nonexistent', sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'error/class', 'GenericError')
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class TestSingleBlockdev(TestSingleDrive):
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qmp_cmd = 'blockdev-mirror'
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qmp_target = 'node1'
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def setUp(self):
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TestSingleDrive.setUp(self)
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=%s' % backing_img, '-F', 'raw', target_img)
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args = {'driver': iotests.imgfmt,
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'node-name': self.qmp_target,
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'file': { 'filename': target_img, 'driver': 'file' } }
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result = self.vm.qmp("blockdev-add", **args)
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self.assert_qmp(result, 'return', {})
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def test_mirror_to_self(self):
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result = self.vm.qmp(self.qmp_cmd, job_id='job0',
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device=self.qmp_target, sync='full',
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target=self.qmp_target)
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self.assert_qmp(result, 'error/class', 'GenericError')
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def do_test_resize(self, device, node):
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def pre_finalize():
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if device:
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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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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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result = self.vm.qmp(self.qmp_cmd, job_id='job0', device='drive0',
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sync='full', target=self.qmp_target,
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auto_finalize=False, auto_dismiss=False)
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self.assert_qmp(result, 'return', {})
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result = self.vm.run_job('job0', auto_finalize=False,
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pre_finalize=pre_finalize)
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self.assertEqual(result, None)
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def test_source_resize(self):
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self.do_test_resize('drive0', 'top')
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def test_target_resize(self):
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self.do_test_resize(None, self.qmp_target)
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def do_test_target_size(self, size):
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result = self.vm.qmp('block_resize', node_name=self.qmp_target,
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size=size)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp(self.qmp_cmd, job_id='job0',
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device='drive0', sync='full', auto_dismiss=False,
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target=self.qmp_target)
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self.assert_qmp(result, 'return', {})
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result = self.vm.run_job('job0')
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self.assertEqual(result, 'Source and target image have different sizes')
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# qed does not support shrinking
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@iotests.skip_for_formats(('qed'))
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def test_small_target(self):
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self.do_test_target_size(self.image_len // 2)
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def test_large_target(self):
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self.do_test_target_size(self.image_len * 2)
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test_large_cluster = None
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test_image_not_found = None
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test_small_buffer2 = None
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class TestSingleDriveZeroLength(TestSingleDrive):
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image_len = 0
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test_small_buffer2 = None
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test_large_cluster = None
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class TestSingleBlockdevZeroLength(TestSingleBlockdev):
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image_len = 0
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test_small_target = None
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test_large_target = None
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class TestSingleDriveUnalignedLength(TestSingleDrive):
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image_len = 1025 * 1024
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test_small_buffer2 = None
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test_large_cluster = None
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class TestSingleBlockdevUnalignedLength(TestSingleBlockdev):
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image_len = 1025 * 1024
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class TestMirrorNoBacking(iotests.QMPTestCase):
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image_len = 2 * 1024 * 1024 # MB
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def setUp(self):
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iotests.create_image(backing_img, TestMirrorNoBacking.image_len)
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=%s' % backing_img, '-F', 'raw', test_img)
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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try:
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os.remove(target_backing_img)
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except:
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pass
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os.remove(target_img)
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def test_complete(self):
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self.assert_no_active_block_jobs()
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=%s' % backing_img, '-F', 'raw', target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_cancel(self):
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self.assert_no_active_block_jobs()
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=%s' % backing_img, '-F', 'raw', target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.wait_ready_and_cancel()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', test_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_large_cluster(self):
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self.assert_no_active_block_jobs()
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# qemu-img create fails if the image is not there
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'size=%d'
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%(TestMirrorNoBacking.image_len), target_backing_img)
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qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=%d,backing_file=%s'
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% (TestMirrorNoBacking.image_len, target_backing_img),
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'-F', iotests.imgfmt, target_img)
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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mode='existing', target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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class TestMirrorResized(iotests.QMPTestCase):
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backing_len = 1 * 1024 * 1024 # MB
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image_len = 2 * 1024 * 1024 # MB
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def setUp(self):
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iotests.create_image(backing_img, TestMirrorResized.backing_len)
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qemu_img('create', '-f', iotests.imgfmt,
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'-o', 'backing_file=%s' % backing_img, '-F', 'raw', test_img)
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qemu_img('resize', test_img, '2M')
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self.vm = iotests.VM().add_drive(test_img)
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self.vm.launch()
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def tearDown(self):
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self.vm.shutdown()
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os.remove(test_img)
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os.remove(backing_img)
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try:
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os.remove(target_img)
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except OSError:
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pass
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def test_complete_top(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='top',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
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self.vm.shutdown()
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self.assertTrue(iotests.compare_images(test_img, target_img),
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'target image does not match source after mirroring')
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def test_complete_full(self):
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self.assert_no_active_block_jobs()
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result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
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target=target_img)
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self.assert_qmp(result, 'return', {})
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self.complete_and_wait()
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result = self.vm.qmp('query-block')
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self.assert_qmp(result, 'return[0]/inserted/file', target_img)
|
|
self.vm.shutdown()
|
|
self.assertTrue(iotests.compare_images(test_img, target_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
class TestReadErrors(iotests.QMPTestCase):
|
|
image_len = 2 * 1024 * 1024 # MB
|
|
|
|
# this should be a multiple of twice the default granularity
|
|
# so that we hit this offset first in state 1
|
|
MIRROR_GRANULARITY = 1024 * 1024
|
|
|
|
def create_blkdebug_file(self, name, event, errno):
|
|
file = open(name, 'w')
|
|
file.write('''
|
|
[inject-error]
|
|
state = "1"
|
|
event = "%s"
|
|
errno = "%d"
|
|
immediately = "off"
|
|
once = "on"
|
|
sector = "%d"
|
|
|
|
[set-state]
|
|
state = "1"
|
|
event = "%s"
|
|
new_state = "2"
|
|
|
|
[set-state]
|
|
state = "2"
|
|
event = "%s"
|
|
new_state = "1"
|
|
''' % (event, errno, self.MIRROR_GRANULARITY // 512, event, event))
|
|
file.close()
|
|
|
|
def setUp(self):
|
|
self.blkdebug_file = backing_img + ".blkdebug"
|
|
iotests.create_image(backing_img, TestReadErrors.image_len)
|
|
self.create_blkdebug_file(self.blkdebug_file, "read_aio", 5)
|
|
qemu_img('create', '-f', iotests.imgfmt,
|
|
'-o', 'backing_file=blkdebug:%s:%s,backing_fmt=raw'
|
|
% (self.blkdebug_file, backing_img),
|
|
test_img)
|
|
# Write something for tests that use sync='top'
|
|
qemu_io('-c', 'write %d 512' % (self.MIRROR_GRANULARITY + 65536),
|
|
test_img)
|
|
self.vm = iotests.VM().add_drive(test_img)
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(test_img)
|
|
os.remove(target_img)
|
|
os.remove(backing_img)
|
|
os.remove(self.blkdebug_file)
|
|
|
|
def test_report_read(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
completed = False
|
|
error = False
|
|
while not completed:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(False, 'job completed unexpectedly')
|
|
elif event['event'] == 'BLOCK_JOB_COMPLETED':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/type', 'mirror')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/error', 'Input/output error')
|
|
completed = True
|
|
elif event['event'] == 'JOB_STATUS_CHANGE':
|
|
self.assert_qmp(event, 'data/id', 'drive0')
|
|
|
|
self.assert_no_active_block_jobs()
|
|
|
|
def test_ignore_read(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, on_source_error='ignore')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
while event['event'] == 'JOB_STATUS_CHANGE':
|
|
self.assert_qmp(event, 'data/id', 'drive0')
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
|
|
self.assertEqual(event['event'], 'BLOCK_JOB_ERROR')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assertIn(result['return'][0]['status'], ['running', 'ready'])
|
|
self.complete_and_wait()
|
|
|
|
def test_large_cluster(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
# Test COW into the target image. The first half of the
|
|
# cluster at MIRROR_GRANULARITY has to be copied from
|
|
# backing_img, even though sync='top'.
|
|
qemu_img('create', '-f', iotests.imgfmt,
|
|
'-ocluster_size=131072,backing_file=%s' %(backing_img),
|
|
'-F', 'raw', target_img)
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='top',
|
|
on_source_error='ignore',
|
|
mode='existing', target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
while event['event'] == 'JOB_STATUS_CHANGE':
|
|
self.assert_qmp(event, 'data/id', 'drive0')
|
|
event = self.vm.get_qmp_event(wait=True)
|
|
|
|
self.assertEqual(event['event'], 'BLOCK_JOB_ERROR')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assertIn(result['return'][0]['status'], ['running', 'ready'])
|
|
self.complete_and_wait()
|
|
self.vm.shutdown()
|
|
|
|
# Detach blkdebug to compare images successfully
|
|
qemu_img('rebase', '-f', iotests.imgfmt, '-u', '-b', backing_img,
|
|
'-F', 'raw', test_img)
|
|
self.assertTrue(iotests.compare_images(test_img, target_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
def test_stop_read(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, on_source_error='stop')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
error = False
|
|
ready = False
|
|
while not ready:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'read')
|
|
|
|
if self.vm.qmp('query-block-jobs')['return'][0]['status'] != 'paused':
|
|
self.vm.events_wait([(
|
|
'JOB_STATUS_CHANGE',
|
|
{'data': {'id': 'drive0', 'status': 'paused'}}
|
|
)])
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/status', 'paused')
|
|
self.assert_qmp(result, 'return[0]/io-status', 'failed')
|
|
|
|
result = self.vm.qmp('block-job-resume', device='drive0')
|
|
self.assert_qmp(result, 'return', {})
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
ready = True
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/status', 'ready')
|
|
self.assert_qmp(result, 'return[0]/io-status', 'ok')
|
|
|
|
self.complete_and_wait(wait_ready=False)
|
|
self.assert_no_active_block_jobs()
|
|
|
|
class TestWriteErrors(iotests.QMPTestCase):
|
|
image_len = 2 * 1024 * 1024 # MB
|
|
|
|
# this should be a multiple of twice the default granularity
|
|
# so that we hit this offset first in state 1
|
|
MIRROR_GRANULARITY = 1024 * 1024
|
|
|
|
def create_blkdebug_file(self, name, event, errno):
|
|
file = open(name, 'w')
|
|
file.write('''
|
|
[inject-error]
|
|
state = "1"
|
|
event = "%s"
|
|
errno = "%d"
|
|
immediately = "off"
|
|
once = "on"
|
|
sector = "%d"
|
|
|
|
[set-state]
|
|
state = "1"
|
|
event = "%s"
|
|
new_state = "2"
|
|
|
|
[set-state]
|
|
state = "2"
|
|
event = "%s"
|
|
new_state = "1"
|
|
''' % (event, errno, self.MIRROR_GRANULARITY // 512, event, event))
|
|
file.close()
|
|
|
|
def setUp(self):
|
|
self.blkdebug_file = target_img + ".blkdebug"
|
|
iotests.create_image(backing_img, TestWriteErrors.image_len)
|
|
self.create_blkdebug_file(self.blkdebug_file, "write_aio", 5)
|
|
qemu_img('create', '-f', iotests.imgfmt,
|
|
'-obacking_file=%s' %(backing_img), '-F', 'raw', test_img)
|
|
self.vm = iotests.VM().add_drive(test_img)
|
|
self.target_img = 'blkdebug:%s:%s' % (self.blkdebug_file, target_img)
|
|
qemu_img('create', '-f', iotests.imgfmt, '-osize=%d' %(TestWriteErrors.image_len), target_img)
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(test_img)
|
|
os.remove(target_img)
|
|
os.remove(backing_img)
|
|
os.remove(self.blkdebug_file)
|
|
|
|
def test_report_write(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
mode='existing', target=self.target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
completed = False
|
|
error = False
|
|
while not completed:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'write')
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(False, 'job completed unexpectedly')
|
|
elif event['event'] == 'BLOCK_JOB_COMPLETED':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/type', 'mirror')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/error', 'Input/output error')
|
|
completed = True
|
|
|
|
self.assert_no_active_block_jobs()
|
|
|
|
def test_ignore_write(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
mode='existing', target=self.target_img,
|
|
on_target_error='ignore')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.event_wait(name='BLOCK_JOB_ERROR')
|
|
self.assertEqual(event['event'], 'BLOCK_JOB_ERROR')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'write')
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assertIn(result['return'][0]['status'], ['running', 'ready'])
|
|
self.complete_and_wait()
|
|
|
|
def test_stop_write(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
mode='existing', target=self.target_img,
|
|
on_target_error='stop')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
error = False
|
|
ready = False
|
|
while not ready:
|
|
for event in self.vm.get_qmp_events(wait=True):
|
|
if event['event'] == 'BLOCK_JOB_ERROR':
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
self.assert_qmp(event, 'data/operation', 'write')
|
|
|
|
if self.vm.qmp('query-block-jobs')['return'][0]['status'] != 'paused':
|
|
self.vm.events_wait([(
|
|
'JOB_STATUS_CHANGE',
|
|
{'data': {'id': 'drive0', 'status': 'paused'}}
|
|
)])
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/status', 'paused')
|
|
self.assert_qmp(result, 'return[0]/io-status', 'failed')
|
|
|
|
result = self.vm.qmp('block-job-resume', device='drive0')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assertIn(result['return'][0]['status'], ['running', 'ready'])
|
|
self.assert_qmp(result, 'return[0]/io-status', 'ok')
|
|
error = True
|
|
elif event['event'] == 'BLOCK_JOB_READY':
|
|
self.assertTrue(error, 'job completed unexpectedly')
|
|
self.assert_qmp(event, 'data/device', 'drive0')
|
|
ready = True
|
|
|
|
self.complete_and_wait(wait_ready=False)
|
|
self.assert_no_active_block_jobs()
|
|
|
|
class TestSetSpeed(iotests.QMPTestCase):
|
|
image_len = 80 * 1024 * 1024 # MB
|
|
|
|
def setUp(self):
|
|
qemu_img('create', backing_img, str(TestSetSpeed.image_len))
|
|
qemu_img('create', '-f', iotests.imgfmt,
|
|
'-o', 'backing_file=%s' % backing_img, '-F', 'raw', test_img)
|
|
self.vm = iotests.VM().add_drive(test_img)
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(test_img)
|
|
os.remove(backing_img)
|
|
os.remove(target_img)
|
|
|
|
def test_set_speed(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# Default speed is 0
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/device', 'drive0')
|
|
self.assert_qmp(result, 'return[0]/speed', 0)
|
|
|
|
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=8 * 1024 * 1024)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# Ensure the speed we set was accepted
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/device', 'drive0')
|
|
self.assert_qmp(result, 'return[0]/speed', 8 * 1024 * 1024)
|
|
|
|
self.wait_ready_and_cancel()
|
|
|
|
# Check setting speed in drive-mirror works
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, speed=4*1024*1024)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/device', 'drive0')
|
|
self.assert_qmp(result, 'return[0]/speed', 4 * 1024 * 1024)
|
|
|
|
self.wait_ready_and_cancel()
|
|
|
|
def test_set_speed_invalid(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img, speed=-1)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('drive-mirror', device='drive0', sync='full',
|
|
target=target_img)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('block-job-set-speed', device='drive0', speed=-1)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
self.wait_ready_and_cancel()
|
|
|
|
class TestUnbackedSource(iotests.QMPTestCase):
|
|
image_len = 2 * 1024 * 1024 # MB
|
|
|
|
def setUp(self):
|
|
qemu_img('create', '-f', iotests.imgfmt, test_img,
|
|
str(TestUnbackedSource.image_len))
|
|
self.vm = iotests.VM()
|
|
self.vm.launch()
|
|
result = self.vm.qmp('blockdev-add', node_name='drive0',
|
|
driver=iotests.imgfmt,
|
|
file={
|
|
'driver': 'file',
|
|
'filename': test_img,
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
os.remove(test_img)
|
|
os.remove(target_img)
|
|
|
|
def test_absolute_paths_full(self):
|
|
self.assert_no_active_block_jobs()
|
|
result = self.vm.qmp('drive-mirror', job_id='drive0', device='drive0',
|
|
sync='full', target=target_img,
|
|
mode='absolute-paths')
|
|
self.assert_qmp(result, 'return', {})
|
|
self.complete_and_wait()
|
|
self.assert_no_active_block_jobs()
|
|
|
|
def test_absolute_paths_top(self):
|
|
self.assert_no_active_block_jobs()
|
|
result = self.vm.qmp('drive-mirror', job_id='drive0', device='drive0',
|
|
sync='top', target=target_img,
|
|
mode='absolute-paths')
|
|
self.assert_qmp(result, 'return', {})
|
|
self.complete_and_wait()
|
|
self.assert_no_active_block_jobs()
|
|
|
|
def test_absolute_paths_none(self):
|
|
self.assert_no_active_block_jobs()
|
|
result = self.vm.qmp('drive-mirror', job_id='drive0', device='drive0',
|
|
sync='none', target=target_img,
|
|
mode='absolute-paths')
|
|
self.assert_qmp(result, 'return', {})
|
|
self.complete_and_wait()
|
|
self.assert_no_active_block_jobs()
|
|
|
|
def test_existing_full(self):
|
|
qemu_img('create', '-f', iotests.imgfmt, target_img,
|
|
str(self.image_len))
|
|
qemu_io('-c', 'write -P 42 0 64k', target_img)
|
|
|
|
self.assert_no_active_block_jobs()
|
|
result = self.vm.qmp('drive-mirror', job_id='drive0', device='drive0',
|
|
sync='full', target=target_img, mode='existing')
|
|
self.assert_qmp(result, 'return', {})
|
|
self.complete_and_wait()
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('blockdev-del', node_name='drive0')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.assertTrue(iotests.compare_images(test_img, target_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
def test_blockdev_full(self):
|
|
qemu_img('create', '-f', iotests.imgfmt, target_img,
|
|
str(self.image_len))
|
|
qemu_io('-c', 'write -P 42 0 64k', target_img)
|
|
|
|
result = self.vm.qmp('blockdev-add', node_name='target',
|
|
driver=iotests.imgfmt,
|
|
file={
|
|
'driver': 'file',
|
|
'filename': target_img,
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.assert_no_active_block_jobs()
|
|
result = self.vm.qmp('blockdev-mirror', job_id='drive0', device='drive0',
|
|
sync='full', target='target')
|
|
self.assert_qmp(result, 'return', {})
|
|
self.complete_and_wait()
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('blockdev-del', node_name='drive0')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-del', node_name='target')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.assertTrue(iotests.compare_images(test_img, target_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
class TestGranularity(iotests.QMPTestCase):
|
|
image_len = 10 * 1024 * 1024 # MB
|
|
|
|
def setUp(self):
|
|
qemu_img('create', '-f', iotests.imgfmt, test_img,
|
|
str(TestGranularity.image_len))
|
|
qemu_io('-c', 'write 0 %d' % (self.image_len),
|
|
test_img)
|
|
self.vm = iotests.VM().add_drive(test_img)
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
self.assertTrue(iotests.compare_images(test_img, target_img),
|
|
'target image does not match source after mirroring')
|
|
os.remove(test_img)
|
|
os.remove(target_img)
|
|
|
|
def test_granularity(self):
|
|
self.assert_no_active_block_jobs()
|
|
result = self.vm.qmp('drive-mirror', device='drive0',
|
|
sync='full', target=target_img,
|
|
mode='absolute-paths', granularity=8192)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
event = self.vm.get_qmp_event(wait=60.0)
|
|
while event['event'] == 'JOB_STATUS_CHANGE':
|
|
self.assert_qmp(event, 'data/id', 'drive0')
|
|
event = self.vm.get_qmp_event(wait=60.0)
|
|
|
|
# Failures will manifest as COMPLETED/ERROR.
|
|
self.assert_qmp(event, 'event', 'BLOCK_JOB_READY')
|
|
self.complete_and_wait(drive='drive0', wait_ready=False)
|
|
self.assert_no_active_block_jobs()
|
|
|
|
class TestRepairQuorum(iotests.QMPTestCase):
|
|
""" This class test quorum file repair using drive-mirror.
|
|
It's mostly a fork of TestSingleDrive """
|
|
image_len = 1 * 1024 * 1024 # MB
|
|
IMAGES = [ quorum_img1, quorum_img2, quorum_img3 ]
|
|
|
|
@iotests.skip_if_unsupported(['quorum'])
|
|
def setUp(self):
|
|
self.vm = iotests.VM()
|
|
|
|
if iotests.qemu_default_machine == 'pc':
|
|
self.vm.add_drive(None, 'media=cdrom', 'ide')
|
|
|
|
# Add each individual quorum images
|
|
for i in self.IMAGES:
|
|
qemu_img('create', '-f', iotests.imgfmt, i,
|
|
str(self.image_len))
|
|
# Assign a node name to each quorum image in order to manipulate
|
|
# them
|
|
opts = "node-name=img%i" % self.IMAGES.index(i)
|
|
opts += ',driver=%s' % iotests.imgfmt
|
|
opts += ',file.driver=file'
|
|
opts += ',file.filename=%s' % i
|
|
self.vm = self.vm.add_blockdev(opts)
|
|
|
|
self.vm.launch()
|
|
|
|
#assemble the quorum block device from the individual files
|
|
args = { "driver": "quorum", "node-name": "quorum0",
|
|
"vote-threshold": 2, "children": [ "img0", "img1", "img2" ] }
|
|
result = self.vm.qmp("blockdev-add", **args)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
for i in self.IMAGES + [ quorum_repair_img, quorum_snapshot_file,
|
|
nbd_sock_path ]:
|
|
# Do a try/except because the test may have deleted some images
|
|
try:
|
|
os.remove(i)
|
|
except OSError:
|
|
pass
|
|
|
|
def test_complete(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name="repair0", replaces="img1",
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.complete_and_wait(drive="job0")
|
|
self.assert_has_block_node("repair0", quorum_repair_img)
|
|
self.vm.assert_block_path('quorum0', '/children.1', 'repair0')
|
|
self.vm.shutdown()
|
|
self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
def test_cancel(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name="repair0", replaces="img1",
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.cancel_and_wait(drive="job0", force=True)
|
|
# here we check that the last registered quorum file has not been
|
|
# swapped out and unref
|
|
self.assert_has_block_node(None, quorum_img3)
|
|
|
|
def test_cancel_after_ready(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name="repair0", replaces="img1",
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.wait_ready_and_cancel(drive="job0")
|
|
# here we check that the last registered quorum file has not been
|
|
# swapped out and unref
|
|
self.assert_has_block_node(None, quorum_img3)
|
|
self.vm.shutdown()
|
|
self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
def test_pause(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name="repair0", replaces="img1",
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.pause_job('job0')
|
|
|
|
result = self.vm.qmp('query-block-jobs')
|
|
offset = self.dictpath(result, 'return[0]/offset')
|
|
|
|
time.sleep(0.5)
|
|
result = self.vm.qmp('query-block-jobs')
|
|
self.assert_qmp(result, 'return[0]/offset', offset)
|
|
|
|
result = self.vm.qmp('block-job-resume', device='job0')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.complete_and_wait(drive="job0")
|
|
self.vm.shutdown()
|
|
self.assertTrue(iotests.compare_images(quorum_img2, quorum_repair_img),
|
|
'target image does not match source after mirroring')
|
|
|
|
def test_medium_not_found(self):
|
|
if iotests.qemu_default_machine != 'pc':
|
|
return
|
|
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='drive0', # CD-ROM
|
|
sync='full',
|
|
node_name='repair0',
|
|
replaces='img1',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_image_not_found(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name='repair0', replaces='img1',
|
|
mode='existing', target=quorum_repair_img,
|
|
format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_device_not_found(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0',
|
|
device='nonexistent', sync='full',
|
|
node_name='repair0',
|
|
replaces='img1',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_wrong_sync_mode(self):
|
|
result = self.vm.qmp('drive-mirror', device='quorum0', job_id='job0',
|
|
node_name='repair0',
|
|
replaces='img1',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_no_node_name(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', replaces='img1',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_nonexistent_replaces(self):
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name='repair0', replaces='img77',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_after_a_quorum_snapshot(self):
|
|
result = self.vm.qmp('blockdev-snapshot-sync', node_name='img1',
|
|
snapshot_file=quorum_snapshot_file,
|
|
snapshot_node_name="snap1");
|
|
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name='repair0', replaces="img1",
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
result = self.vm.qmp('drive-mirror', job_id='job0', device='quorum0',
|
|
sync='full', node_name='repair0', replaces="snap1",
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.complete_and_wait('job0')
|
|
self.assert_has_block_node("repair0", quorum_repair_img)
|
|
self.vm.assert_block_path('quorum0', '/children.1', 'repair0')
|
|
|
|
def test_with_other_parent(self):
|
|
"""
|
|
Check that we cannot replace a Quorum child when it has other
|
|
parents.
|
|
"""
|
|
result = self.vm.qmp('nbd-server-start',
|
|
addr={
|
|
'type': 'unix',
|
|
'data': {'path': nbd_sock_path}
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('nbd-server-add', device='img1')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('drive-mirror', job_id='mirror', device='quorum0',
|
|
sync='full', node_name='repair0', replaces='img1',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'error/desc',
|
|
"Cannot replace 'img1' by a node mirrored from "
|
|
"'quorum0', because it cannot be guaranteed that doing "
|
|
"so would not lead to an abrupt change of visible data")
|
|
|
|
def test_with_other_parents_after_mirror_start(self):
|
|
"""
|
|
The same as test_with_other_parent(), but add the NBD server
|
|
only when the mirror job is already running.
|
|
"""
|
|
result = self.vm.qmp('nbd-server-start',
|
|
addr={
|
|
'type': 'unix',
|
|
'data': {'path': nbd_sock_path}
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('drive-mirror', job_id='mirror', device='quorum0',
|
|
sync='full', node_name='repair0', replaces='img1',
|
|
target=quorum_repair_img, format=iotests.imgfmt)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('nbd-server-add', device='img1')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# The full error message goes to stderr, we will check it later
|
|
self.complete_and_wait('mirror',
|
|
completion_error='Operation not permitted')
|
|
|
|
# Should not have been replaced
|
|
self.vm.assert_block_path('quorum0', '/children.1', 'img1')
|
|
|
|
# Check the full error message now
|
|
self.vm.shutdown()
|
|
log = self.vm.get_log()
|
|
log = re.sub(r'^\[I \d+\.\d+\] OPENED\n', '', log)
|
|
log = re.sub(r'^Formatting.*\n', '', log)
|
|
log = re.sub(r'\n\[I \+\d+\.\d+\] CLOSED\n?$', '', log)
|
|
log = re.sub(r'^%s: ' % os.path.basename(iotests.qemu_prog), '', log)
|
|
|
|
self.assertEqual(log,
|
|
"Can no longer replace 'img1' by 'repair0', because " +
|
|
"it can no longer be guaranteed that doing so would " +
|
|
"not lead to an abrupt change of visible data")
|
|
|
|
|
|
# Test mirroring with a source that does not have any parents (not even a
|
|
# BlockBackend)
|
|
class TestOrphanedSource(iotests.QMPTestCase):
|
|
def setUp(self):
|
|
blk0 = { 'node-name': 'src',
|
|
'driver': 'null-co' }
|
|
|
|
blk1 = { 'node-name': 'dest',
|
|
'driver': 'null-co' }
|
|
|
|
blk2 = { 'node-name': 'dest-ro',
|
|
'driver': 'null-co',
|
|
'read-only': 'on' }
|
|
|
|
self.vm = iotests.VM()
|
|
self.vm.add_blockdev(self.vm.qmp_to_opts(blk0))
|
|
self.vm.add_blockdev(self.vm.qmp_to_opts(blk1))
|
|
self.vm.add_blockdev(self.vm.qmp_to_opts(blk2))
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
|
|
def test_no_job_id(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('blockdev-mirror', device='src', sync='full',
|
|
target='dest')
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_success(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('blockdev-mirror', job_id='job', device='src',
|
|
sync='full', target='dest')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.complete_and_wait('job')
|
|
|
|
def test_failing_permissions(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
result = self.vm.qmp('blockdev-mirror', device='src', sync='full',
|
|
target='dest-ro')
|
|
self.assert_qmp(result, 'error/class', 'GenericError')
|
|
|
|
def test_failing_permission_in_complete(self):
|
|
self.assert_no_active_block_jobs()
|
|
|
|
# Unshare consistent-read on the target
|
|
# (The mirror job does not care)
|
|
result = self.vm.qmp('blockdev-add',
|
|
driver='blkdebug',
|
|
node_name='dest-perm',
|
|
image='dest',
|
|
unshare_child_perms=['consistent-read'])
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-mirror', job_id='job', device='src',
|
|
sync='full', target='dest',
|
|
filter_node_name='mirror-filter')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# Require consistent-read on the source
|
|
# (We can only add this node once the job has started, or it
|
|
# will complain that it does not want to run on non-root nodes)
|
|
result = self.vm.qmp('blockdev-add',
|
|
driver='blkdebug',
|
|
node_name='src-perm',
|
|
image='src',
|
|
take_child_perms=['consistent-read'])
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# While completing, mirror will attempt to replace src by
|
|
# dest, which must fail because src-perm requires
|
|
# consistent-read but dest-perm does not share it; thus
|
|
# aborting the job when it is supposed to complete
|
|
self.complete_and_wait('job',
|
|
completion_error='Operation not permitted')
|
|
|
|
# Assert that all of our nodes are still there (except for the
|
|
# mirror filter, which should be gone despite the failure)
|
|
nodes = self.vm.qmp('query-named-block-nodes')['return']
|
|
nodes = [node['node-name'] for node in nodes]
|
|
|
|
for expect in ('src', 'src-perm', 'dest', 'dest-perm'):
|
|
self.assertTrue(expect in nodes, '%s disappeared' % expect)
|
|
self.assertFalse('mirror-filter' in nodes,
|
|
'Mirror filter node did not disappear')
|
|
|
|
# Test cases for @replaces that do not necessarily involve Quorum
|
|
class TestReplaces(iotests.QMPTestCase):
|
|
# Each of these test cases needs their own block graph, so do not
|
|
# create any nodes here
|
|
def setUp(self):
|
|
self.vm = iotests.VM()
|
|
self.vm.launch()
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
for img in (test_img, target_img):
|
|
try:
|
|
os.remove(img)
|
|
except OSError:
|
|
pass
|
|
|
|
@iotests.skip_if_unsupported(['copy-on-read'])
|
|
def test_replace_filter(self):
|
|
"""
|
|
Check that we can replace filter nodes.
|
|
"""
|
|
result = self.vm.qmp('blockdev-add', **{
|
|
'driver': 'copy-on-read',
|
|
'node-name': 'filter0',
|
|
'file': {
|
|
'driver': 'copy-on-read',
|
|
'node-name': 'filter1',
|
|
'file': {
|
|
'driver': 'null-co'
|
|
}
|
|
}
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-add',
|
|
node_name='target', driver='null-co')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-mirror', job_id='mirror', device='filter0',
|
|
target='target', sync='full', replaces='filter1')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.complete_and_wait('mirror')
|
|
|
|
self.vm.assert_block_path('filter0', '/file', 'target')
|
|
|
|
# Tests for mirror with filters (and how the mirror filter behaves, as
|
|
# an example for an implicit filter)
|
|
class TestFilters(iotests.QMPTestCase):
|
|
def setUp(self):
|
|
qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M')
|
|
qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img,
|
|
'-F', iotests.imgfmt, test_img)
|
|
qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img,
|
|
'-F', iotests.imgfmt, target_img)
|
|
|
|
qemu_io('-c', 'write -P 1 0 512k', backing_img)
|
|
qemu_io('-c', 'write -P 2 512k 512k', test_img)
|
|
|
|
self.vm = iotests.VM().add_device('virtio-scsi,id=vio-scsi')
|
|
self.vm.launch()
|
|
|
|
result = self.vm.qmp('blockdev-add', **{
|
|
'node-name': 'target',
|
|
'driver': iotests.imgfmt,
|
|
'file': {
|
|
'driver': 'file',
|
|
'filename': target_img
|
|
},
|
|
'backing': None
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.filterless_chain = {
|
|
'node-name': 'source',
|
|
'driver': iotests.imgfmt,
|
|
'file': {
|
|
'driver': 'file',
|
|
'filename': test_img
|
|
},
|
|
'backing': {
|
|
'node-name': 'backing',
|
|
'driver': iotests.imgfmt,
|
|
'file': {
|
|
'driver': 'file',
|
|
'filename': backing_img
|
|
}
|
|
}
|
|
}
|
|
|
|
def tearDown(self):
|
|
self.vm.shutdown()
|
|
|
|
os.remove(test_img)
|
|
os.remove(target_img)
|
|
os.remove(backing_img)
|
|
|
|
def test_cor(self):
|
|
result = self.vm.qmp('blockdev-add', **{
|
|
'node-name': 'filter',
|
|
'driver': 'copy-on-read',
|
|
'file': self.filterless_chain
|
|
})
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-mirror',
|
|
job_id='mirror',
|
|
device='filter',
|
|
target='target',
|
|
sync='top')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
self.complete_and_wait('mirror')
|
|
|
|
self.vm.qmp('blockdev-del', node_name='target')
|
|
|
|
target_map = qemu_img_map(target_img)
|
|
|
|
assert target_map[0]['start'] == 0
|
|
assert target_map[0]['length'] == 512 * 1024
|
|
assert target_map[0]['depth'] == 1
|
|
|
|
assert target_map[1]['start'] == 512 * 1024
|
|
assert target_map[1]['length'] == 512 * 1024
|
|
assert target_map[1]['depth'] == 0
|
|
|
|
def test_implicit_mirror_filter(self):
|
|
result = self.vm.qmp('blockdev-add', **self.filterless_chain)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# We need this so we can query from above the mirror node
|
|
result = self.vm.qmp('device_add',
|
|
driver='scsi-hd',
|
|
id='virtio',
|
|
bus='vio-scsi.0',
|
|
drive='source')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-mirror',
|
|
job_id='mirror',
|
|
device='source',
|
|
target='target',
|
|
sync='top')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# The mirror filter is now an implicit node, so it should be
|
|
# invisible when querying the backing chain
|
|
blockdevs = self.vm.qmp('query-block')['return']
|
|
device_info = next(dev for dev in blockdevs if dev['qdev'] == 'virtio')
|
|
|
|
assert device_info['inserted']['node-name'] == 'source'
|
|
|
|
image_info = device_info['inserted']['image']
|
|
assert image_info['filename'] == test_img
|
|
assert image_info['backing-image']['filename'] == backing_img
|
|
|
|
self.complete_and_wait('mirror')
|
|
|
|
def test_explicit_mirror_filter(self):
|
|
# Same test as above, but this time we give the mirror filter
|
|
# a node-name so it will not be invisible
|
|
result = self.vm.qmp('blockdev-add', **self.filterless_chain)
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# We need this so we can query from above the mirror node
|
|
result = self.vm.qmp('device_add',
|
|
driver='scsi-hd',
|
|
id='virtio',
|
|
bus='vio-scsi.0',
|
|
drive='source')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
result = self.vm.qmp('blockdev-mirror',
|
|
job_id='mirror',
|
|
device='source',
|
|
target='target',
|
|
sync='top',
|
|
filter_node_name='mirror-filter')
|
|
self.assert_qmp(result, 'return', {})
|
|
|
|
# With a node-name given to it, the mirror filter should now
|
|
# be visible
|
|
blockdevs = self.vm.qmp('query-block')['return']
|
|
device_info = next(dev for dev in blockdevs if dev['qdev'] == 'virtio')
|
|
|
|
assert device_info['inserted']['node-name'] == 'mirror-filter'
|
|
|
|
self.complete_and_wait('mirror')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
iotests.main(supported_fmts=['qcow2', 'qed'],
|
|
supported_protocols=['file'],
|
|
supported_platforms=['linux', 'freebsd', 'netbsd', 'openbsd'])
|