[qemu.git] / tests / qemu-iotests / 139

#!/usr/bin/env python
#
# Test cases for the QMP 'blockdev-del' command
#
# Copyright (C) 2015 Igalia, S.L.
# Author: Alberto Garcia <[email protected]>
#
# 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/>.
#

import os
import iotests
import time

base_img = os.path.join(iotests.test_dir, 'base.img')
new_img = os.path.join(iotests.test_dir, 'new.img')

class TestBlockdevDel(iotests.QMPTestCase):

    def setUp(self):
        iotests.qemu_img('create', '-f', iotests.imgfmt, base_img, '1M')
        self.vm = iotests.VM()
        self.vm.add_device("virtio-scsi-pci,id=virtio-scsi")
        self.vm.launch()

    def tearDown(self):
        self.vm.shutdown()
        os.remove(base_img)
        if os.path.isfile(new_img):
            os.remove(new_img)

    # Check whether a BlockDriverState exists
    def checkBlockDriverState(self, node, must_exist = True):
        result = self.vm.qmp('query-named-block-nodes')
        nodes = filter(lambda x: x['node-name'] == node, result['return'])
        self.assertLessEqual(len(nodes), 1)
        self.assertEqual(must_exist, len(nodes) == 1)

    # Add a BlockDriverState without a BlockBackend
    def addBlockDriverState(self, node):
        file_node = '%s_file' % node
        self.checkBlockDriverState(node, False)
        self.checkBlockDriverState(file_node, False)
        opts = {'driver': iotests.imgfmt,
                'node-name': node,
                'file': {'driver': 'file',
                         'node-name': file_node,
                         'filename': base_img}}
        result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node)
        self.checkBlockDriverState(file_node)

    # Add a BlockDriverState that will be used as overlay for the base_img BDS
    def addBlockDriverStateOverlay(self, node):
        self.checkBlockDriverState(node, False)
        iotests.qemu_img('create', '-u', '-f', iotests.imgfmt,
                         '-b', base_img, new_img, '1M')
        opts = {'driver': iotests.imgfmt,
                'node-name': node,
                'backing': None,
                'file': {'driver': 'file',
                         'filename': new_img}}
        result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node)

    # Delete a BlockDriverState
    def delBlockDriverState(self, node, expect_error = False):
        self.checkBlockDriverState(node)
        result = self.vm.qmp('blockdev-del', node_name = node)
        if expect_error:
            self.assert_qmp(result, 'error/class', 'GenericError')
        else:
            self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node, expect_error)

    # Add a device model
    def addDeviceModel(self, device, backend, driver = 'virtio-blk-pci'):
        result = self.vm.qmp('device_add', id = device,
                             driver = driver, drive = backend)
        self.assert_qmp(result, 'return', {})

    # Delete a device model
    def delDeviceModel(self, device, is_virtio_blk = True):
        result = self.vm.qmp('device_del', id = device)
        self.assert_qmp(result, 'return', {})

        result = self.vm.qmp('system_reset')
        self.assert_qmp(result, 'return', {})

        if is_virtio_blk:
            device_path = '/machine/peripheral/%s/virtio-backend' % device
            event = self.vm.event_wait(name="DEVICE_DELETED",
                                       match={'data': {'path': device_path}})
            self.assertNotEqual(event, None)

        event = self.vm.event_wait(name="DEVICE_DELETED",
                                   match={'data': {'device': device}})
        self.assertNotEqual(event, None)

    # Remove a BlockDriverState
    def ejectDrive(self, device, node, expect_error = False,
                   destroys_media = True):
        self.checkBlockDriverState(node)
        result = self.vm.qmp('eject', id = device)
        if expect_error:
            self.assert_qmp(result, 'error/class', 'GenericError')
            self.checkBlockDriverState(node)
        else:
            self.assert_qmp(result, 'return', {})
            self.checkBlockDriverState(node, not destroys_media)

    # Insert a BlockDriverState
    def insertDrive(self, device, node):
        self.checkBlockDriverState(node)
        result = self.vm.qmp('x-blockdev-insert-medium',
                             id = device, node_name = node)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node)

    # Create a snapshot using 'blockdev-snapshot-sync'
    def createSnapshotSync(self, node, overlay):
        self.checkBlockDriverState(node)
        self.checkBlockDriverState(overlay, False)
        opts = {'node-name': node,
                'snapshot-file': new_img,
                'snapshot-node-name': overlay,
                'format': iotests.imgfmt}
        result = self.vm.qmp('blockdev-snapshot-sync', conv_keys=False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node)
        self.checkBlockDriverState(overlay)

    # Create a snapshot using 'blockdev-snapshot'
    def createSnapshot(self, node, overlay):
        self.checkBlockDriverState(node)
        self.checkBlockDriverState(overlay)
        result = self.vm.qmp('blockdev-snapshot',
                             node = node, overlay = overlay)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node)
        self.checkBlockDriverState(overlay)

    # Create a mirror
    def createMirror(self, node, new_node):
        self.checkBlockDriverState(new_node, False)
        opts = {'device': node,
                'job-id': node,
                'target': new_img,
                'node-name': new_node,
                'sync': 'top',
                'format': iotests.imgfmt}
        result = self.vm.qmp('drive-mirror', conv_keys=False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(new_node)

    # Complete an existing block job
    def completeBlockJob(self, id, node_before, node_after):
        result = self.vm.qmp('block-job-complete', device=id)
        self.assert_qmp(result, 'return', {})
        self.wait_until_completed(id)

    # Add a BlkDebug node
    # Note that the purpose of this is to test the blockdev-del
    # sanity checks, not to create a usable blkdebug drive
    def addBlkDebug(self, debug, node):
        self.checkBlockDriverState(node, False)
        self.checkBlockDriverState(debug, False)
        image = {'driver': iotests.imgfmt,
                 'node-name': node,
                 'file': {'driver': 'file',
                          'filename': base_img}}
        opts = {'driver': 'blkdebug',
                'node-name': debug,
                'image': image}
        result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(node)
        self.checkBlockDriverState(debug)

    # Add a BlkVerify node
    # Note that the purpose of this is to test the blockdev-del
    # sanity checks, not to create a usable blkverify drive
    def addBlkVerify(self, blkverify, test, raw):
        self.checkBlockDriverState(test, False)
        self.checkBlockDriverState(raw, False)
        self.checkBlockDriverState(blkverify, False)
        iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
        node_0 = {'driver': iotests.imgfmt,
                  'node-name': test,
                  'file': {'driver': 'file',
                           'filename': base_img}}
        node_1 = {'driver': iotests.imgfmt,
                  'node-name': raw,
                  'file': {'driver': 'file',
                           'filename': new_img}}
        opts = {'driver': 'blkverify',
                'node-name': blkverify,
                'test': node_0,
                'raw': node_1}
        result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(test)
        self.checkBlockDriverState(raw)
        self.checkBlockDriverState(blkverify)

    # Add a Quorum node
    def addQuorum(self, quorum, child0, child1):
        self.checkBlockDriverState(child0, False)
        self.checkBlockDriverState(child1, False)
        self.checkBlockDriverState(quorum, False)
        iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
        child_0 = {'driver': iotests.imgfmt,
                   'node-name': child0,
                   'file': {'driver': 'file',
                            'filename': base_img}}
        child_1 = {'driver': iotests.imgfmt,
                   'node-name': child1,
                   'file': {'driver': 'file',
                            'filename': new_img}}
        opts = {'driver': 'quorum',
                'node-name': quorum,
                'vote-threshold': 1,
                'children': [ child_0, child_1 ]}
        result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
        self.assert_qmp(result, 'return', {})
        self.checkBlockDriverState(child0)
        self.checkBlockDriverState(child1)
        self.checkBlockDriverState(quorum)

    ########################
    # The tests start here #
    ########################

    def testBlockDriverState(self):
        self.addBlockDriverState('node0')
        # You cannot delete a file BDS directly
        self.delBlockDriverState('node0_file', expect_error = True)
        self.delBlockDriverState('node0')

    def testDeviceModel(self):
        self.addBlockDriverState('node0')
        self.addDeviceModel('device0', 'node0')
        self.ejectDrive('device0', 'node0', expect_error = True)
        self.delBlockDriverState('node0', expect_error = True)
        self.delDeviceModel('device0')
        self.delBlockDriverState('node0')

    def testAttachMedia(self):
        # This creates a BlockBackend and removes its media
        self.addBlockDriverState('node0')
        self.addDeviceModel('device0', 'node0', 'scsi-cd')
        self.ejectDrive('device0', 'node0', destroys_media = False)
        self.delBlockDriverState('node0')

        # This creates a new BlockDriverState and inserts it into the device
        self.addBlockDriverState('node1')
        self.insertDrive('device0', 'node1')
        # The node can't be removed: the new device has an extra reference
        self.delBlockDriverState('node1', expect_error = True)
        # The BDS still exists after being ejected, but now it can be removed
        self.ejectDrive('device0', 'node1', destroys_media = False)
        self.delBlockDriverState('node1')
        self.delDeviceModel('device0', False)

    def testSnapshotSync(self):
        self.addBlockDriverState('node0')
        self.addDeviceModel('device0', 'node0')
        self.createSnapshotSync('node0', 'overlay0')
        # This fails because node0 is now being used as a backing image
        self.delBlockDriverState('node0', expect_error = True)
        self.delBlockDriverState('overlay0', expect_error = True)
        # This succeeds because device0 only has the backend reference
        self.delDeviceModel('device0')
        # FIXME Would still be there if blockdev-snapshot-sync took a ref
        self.checkBlockDriverState('overlay0', False)
        self.delBlockDriverState('node0')

    def testSnapshot(self):
        self.addBlockDriverState('node0')
        self.addDeviceModel('device0', 'node0', 'scsi-cd')
        self.addBlockDriverStateOverlay('overlay0')
        self.createSnapshot('node0', 'overlay0')
        self.delBlockDriverState('node0', expect_error = True)
        self.delBlockDriverState('overlay0', expect_error = True)
        self.ejectDrive('device0', 'overlay0', destroys_media = False)
        self.delBlockDriverState('node0', expect_error = True)
        self.delBlockDriverState('overlay0')
        self.delBlockDriverState('node0')

    def testMirror(self):
        self.addBlockDriverState('node0')
        self.addDeviceModel('device0', 'node0', 'scsi-cd')
        self.createMirror('node0', 'mirror0')
        # The block job prevents removing the device
        self.delBlockDriverState('node0', expect_error = True)
        self.delBlockDriverState('mirror0', expect_error = True)
        self.wait_ready('node0')
        self.completeBlockJob('node0', 'node0', 'mirror0')
        self.assert_no_active_block_jobs()
        # This succeeds because the device now points to mirror0
        self.delBlockDriverState('node0')
        self.delBlockDriverState('mirror0', expect_error = True)
        self.delDeviceModel('device0', False)
        # FIXME mirror0 disappears, drive-mirror doesn't take a reference
        #self.delBlockDriverState('mirror0')

    def testBlkDebug(self):
        self.addBlkDebug('debug0', 'node0')
        # 'node0' is used by the blkdebug node
        self.delBlockDriverState('node0', expect_error = True)
        # But we can remove the blkdebug node directly
        self.delBlockDriverState('debug0')
        self.checkBlockDriverState('node0', False)

    def testBlkVerify(self):
        self.addBlkVerify('verify0', 'node0', 'node1')
        # We cannot remove the children of a blkverify device
        self.delBlockDriverState('node0', expect_error = True)
        self.delBlockDriverState('node1', expect_error = True)
        # But we can remove the blkverify node directly
        self.delBlockDriverState('verify0')
        self.checkBlockDriverState('node0', False)
        self.checkBlockDriverState('node1', False)

    def testQuorum(self):
        if not iotests.supports_quorum():
            return

        self.addQuorum('quorum0', 'node0', 'node1')
        # We cannot remove the children of a Quorum device
        self.delBlockDriverState('node0', expect_error = True)
        self.delBlockDriverState('node1', expect_error = True)
        # But we can remove the Quorum node directly
        self.delBlockDriverState('quorum0')
        self.checkBlockDriverState('node0', False)
        self.checkBlockDriverState('node1', False)


if __name__ == '__main__':
    iotests.main(supported_fmts=["qcow2"])
Commit	Line	Data
342075fd AG	1	#!/usr/bin/env python
342075fd AG	2	#
79b7a77e	3	# Test cases for the QMP 'blockdev-del' command
342075fd AG	4	#
	5	# Copyright (C) 2015 Igalia, S.L.
	6	# Author: Alberto Garcia <[email protected]>
	7	#
	8	# This program is free software; you can redistribute it and/or modify
	9	# it under the terms of the GNU General Public License as published by
	10	# the Free Software Foundation; either version 2 of the License, or
	11	# (at your option) any later version.
	12	#
	13	# This program is distributed in the hope that it will be useful,
	14	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	# GNU General Public License for more details.
	17	#
	18	# You should have received a copy of the GNU General Public License
	19	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	20	#
	21
	22	import os
	23	import iotests
	24	import time
	25
	26	base_img = os.path.join(iotests.test_dir, 'base.img')
	27	new_img = os.path.join(iotests.test_dir, 'new.img')
	28
	29	class TestBlockdevDel(iotests.QMPTestCase):
	30
	31	def setUp(self):
	32	iotests.qemu_img('create', '-f', iotests.imgfmt, base_img, '1M')
	33	self.vm = iotests.VM()
62acae8a	34	self.vm.add_device("virtio-scsi-pci,id=virtio-scsi")
342075fd AG	35	self.vm.launch()
	36
	37	def tearDown(self):
	38	self.vm.shutdown()
	39	os.remove(base_img)
	40	if os.path.isfile(new_img):
	41	os.remove(new_img)
	42
342075fd AG	43	# Check whether a BlockDriverState exists
	44	def checkBlockDriverState(self, node, must_exist = True):
	45	result = self.vm.qmp('query-named-block-nodes')
	46	nodes = filter(lambda x: x['node-name'] == node, result['return'])
	47	self.assertLessEqual(len(nodes), 1)
	48	self.assertEqual(must_exist, len(nodes) == 1)
	49
342075fd AG	50	# Add a BlockDriverState without a BlockBackend
	51	def addBlockDriverState(self, node):
	52	file_node = '%s_file' % node
	53	self.checkBlockDriverState(node, False)
	54	self.checkBlockDriverState(file_node, False)
	55	opts = {'driver': iotests.imgfmt,
	56	'node-name': node,
	57	'file': {'driver': 'file',
	58	'node-name': file_node,
	59	'filename': base_img}}
0153d2f5	60	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	61	self.assert_qmp(result, 'return', {})
	62	self.checkBlockDriverState(node)
	63	self.checkBlockDriverState(file_node)
	64
	65	# Add a BlockDriverState that will be used as overlay for the base_img BDS
	66	def addBlockDriverStateOverlay(self, node):
	67	self.checkBlockDriverState(node, False)
6e6e55f5	68	iotests.qemu_img('create', '-u', '-f', iotests.imgfmt,
342075fd AG	69	'-b', base_img, new_img, '1M')
	70	opts = {'driver': iotests.imgfmt,
	71	'node-name': node,
c42e8742	72	'backing': None,
342075fd AG	73	'file': {'driver': 'file',
342075fd AG	74	'filename': new_img}}
0153d2f5	75	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	76	self.assert_qmp(result, 'return', {})
	77	self.checkBlockDriverState(node)
	78
342075fd AG	79	# Delete a BlockDriverState
	80	def delBlockDriverState(self, node, expect_error = False):
	81	self.checkBlockDriverState(node)
79b7a77e	82	result = self.vm.qmp('blockdev-del', node_name = node)
342075fd AG	83	if expect_error:
	84	self.assert_qmp(result, 'error/class', 'GenericError')
	85	else:
	86	self.assert_qmp(result, 'return', {})
	87	self.checkBlockDriverState(node, expect_error)
	88
	89	# Add a device model
62acae8a	90	def addDeviceModel(self, device, backend, driver = 'virtio-blk-pci'):
342075fd	91	result = self.vm.qmp('device_add', id = device,
62acae8a	92	driver = driver, drive = backend)
342075fd AG	93	self.assert_qmp(result, 'return', {})
	94
	95	# Delete a device model
62acae8a	96	def delDeviceModel(self, device, is_virtio_blk = True):
342075fd AG	97	result = self.vm.qmp('device_del', id = device)
	98	self.assert_qmp(result, 'return', {})
	99
	100	result = self.vm.qmp('system_reset')
	101	self.assert_qmp(result, 'return', {})
	102
62acae8a KW	103	if is_virtio_blk:
	104	device_path = '/machine/peripheral/%s/virtio-backend' % device
	105	event = self.vm.event_wait(name="DEVICE_DELETED",
	106	match={'data': {'path': device_path}})
	107	self.assertNotEqual(event, None)
342075fd AG	108
	109	event = self.vm.event_wait(name="DEVICE_DELETED",
	110	match={'data': {'device': device}})
	111	self.assertNotEqual(event, None)
	112
	113	# Remove a BlockDriverState
62acae8a	114	def ejectDrive(self, device, node, expect_error = False,
342075fd	115	destroys_media = True):
342075fd	116	self.checkBlockDriverState(node)
62acae8a	117	result = self.vm.qmp('eject', id = device)
342075fd AG	118	if expect_error:
	119	self.assert_qmp(result, 'error/class', 'GenericError')
	120	self.checkBlockDriverState(node)
342075fd AG	121	else:
	122	self.assert_qmp(result, 'return', {})
	123	self.checkBlockDriverState(node, not destroys_media)
342075fd AG	124
342075fd AG	125	# Insert a BlockDriverState
62acae8a	126	def insertDrive(self, device, node):
342075fd	127	self.checkBlockDriverState(node)
6e0abc25	128	result = self.vm.qmp('x-blockdev-insert-medium',
62acae8a	129	id = device, node_name = node)
342075fd	130	self.assert_qmp(result, 'return', {})
342075fd AG	131	self.checkBlockDriverState(node)
	132
	133	# Create a snapshot using 'blockdev-snapshot-sync'
	134	def createSnapshotSync(self, node, overlay):
	135	self.checkBlockDriverState(node)
	136	self.checkBlockDriverState(overlay, False)
	137	opts = {'node-name': node,
	138	'snapshot-file': new_img,
	139	'snapshot-node-name': overlay,
	140	'format': iotests.imgfmt}
	141	result = self.vm.qmp('blockdev-snapshot-sync', conv_keys=False, **opts)
	142	self.assert_qmp(result, 'return', {})
	143	self.checkBlockDriverState(node)
	144	self.checkBlockDriverState(overlay)
	145
	146	# Create a snapshot using 'blockdev-snapshot'
	147	def createSnapshot(self, node, overlay):
	148	self.checkBlockDriverState(node)
	149	self.checkBlockDriverState(overlay)
	150	result = self.vm.qmp('blockdev-snapshot',
	151	node = node, overlay = overlay)
	152	self.assert_qmp(result, 'return', {})
	153	self.checkBlockDriverState(node)
	154	self.checkBlockDriverState(overlay)
	155
	156	# Create a mirror
62acae8a	157	def createMirror(self, node, new_node):
342075fd	158	self.checkBlockDriverState(new_node, False)
62acae8a KW	159	opts = {'device': node,
62acae8a KW	160	'job-id': node,
342075fd AG	161	'target': new_img,
	162	'node-name': new_node,
	163	'sync': 'top',
	164	'format': iotests.imgfmt}
	165	result = self.vm.qmp('drive-mirror', conv_keys=False, **opts)
	166	self.assert_qmp(result, 'return', {})
342075fd AG	167	self.checkBlockDriverState(new_node)
	168
	169	# Complete an existing block job
62acae8a KW	170	def completeBlockJob(self, id, node_before, node_after):
62acae8a KW	171	result = self.vm.qmp('block-job-complete', device=id)
342075fd	172	self.assert_qmp(result, 'return', {})
62acae8a	173	self.wait_until_completed(id)
342075fd AG	174
342075fd AG	175	# Add a BlkDebug node
79b7a77e	176	# Note that the purpose of this is to test the blockdev-del
342075fd AG	177	# sanity checks, not to create a usable blkdebug drive
	178	def addBlkDebug(self, debug, node):
	179	self.checkBlockDriverState(node, False)
	180	self.checkBlockDriverState(debug, False)
	181	image = {'driver': iotests.imgfmt,
	182	'node-name': node,
	183	'file': {'driver': 'file',
	184	'filename': base_img}}
	185	opts = {'driver': 'blkdebug',
	186	'node-name': debug,
	187	'image': image}
0153d2f5	188	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	189	self.assert_qmp(result, 'return', {})
	190	self.checkBlockDriverState(node)
	191	self.checkBlockDriverState(debug)
	192
	193	# Add a BlkVerify node
79b7a77e	194	# Note that the purpose of this is to test the blockdev-del
342075fd AG	195	# sanity checks, not to create a usable blkverify drive
	196	def addBlkVerify(self, blkverify, test, raw):
	197	self.checkBlockDriverState(test, False)
	198	self.checkBlockDriverState(raw, False)
	199	self.checkBlockDriverState(blkverify, False)
	200	iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
	201	node_0 = {'driver': iotests.imgfmt,
	202	'node-name': test,
	203	'file': {'driver': 'file',
	204	'filename': base_img}}
	205	node_1 = {'driver': iotests.imgfmt,
	206	'node-name': raw,
	207	'file': {'driver': 'file',
	208	'filename': new_img}}
	209	opts = {'driver': 'blkverify',
	210	'node-name': blkverify,
	211	'test': node_0,
	212	'raw': node_1}
0153d2f5	213	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	214	self.assert_qmp(result, 'return', {})
	215	self.checkBlockDriverState(test)
	216	self.checkBlockDriverState(raw)
	217	self.checkBlockDriverState(blkverify)
	218
	219	# Add a Quorum node
	220	def addQuorum(self, quorum, child0, child1):
	221	self.checkBlockDriverState(child0, False)
	222	self.checkBlockDriverState(child1, False)
	223	self.checkBlockDriverState(quorum, False)
	224	iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
	225	child_0 = {'driver': iotests.imgfmt,
	226	'node-name': child0,
	227	'file': {'driver': 'file',
	228	'filename': base_img}}
	229	child_1 = {'driver': iotests.imgfmt,
	230	'node-name': child1,
	231	'file': {'driver': 'file',
	232	'filename': new_img}}
	233	opts = {'driver': 'quorum',
	234	'node-name': quorum,
	235	'vote-threshold': 1,
	236	'children': [ child_0, child_1 ]}
0153d2f5	237	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	238	self.assert_qmp(result, 'return', {})
	239	self.checkBlockDriverState(child0)
	240	self.checkBlockDriverState(child1)
	241	self.checkBlockDriverState(quorum)
	242
	243	########################
	244	# The tests start here #
	245	########################
	246
342075fd AG	247	def testBlockDriverState(self):
	248	self.addBlockDriverState('node0')
	249	# You cannot delete a file BDS directly
	250	self.delBlockDriverState('node0_file', expect_error = True)
	251	self.delBlockDriverState('node0')
	252
342075fd	253	def testDeviceModel(self):
62acae8a KW	254	self.addBlockDriverState('node0')
	255	self.addDeviceModel('device0', 'node0')
	256	self.ejectDrive('device0', 'node0', expect_error = True)
	257	self.delBlockDriverState('node0', expect_error = True)
342075fd	258	self.delDeviceModel('device0')
62acae8a	259	self.delBlockDriverState('node0')
342075fd AG	260
	261	def testAttachMedia(self):
	262	# This creates a BlockBackend and removes its media
62acae8a KW	263	self.addBlockDriverState('node0')
	264	self.addDeviceModel('device0', 'node0', 'scsi-cd')
	265	self.ejectDrive('device0', 'node0', destroys_media = False)
	266	self.delBlockDriverState('node0')
	267
	268	# This creates a new BlockDriverState and inserts it into the device
342075fd	269	self.addBlockDriverState('node1')
62acae8a KW	270	self.insertDrive('device0', 'node1')
62acae8a KW	271	# The node can't be removed: the new device has an extra reference
342075fd AG	272	self.delBlockDriverState('node1', expect_error = True)
342075fd AG	273	# The BDS still exists after being ejected, but now it can be removed
62acae8a	274	self.ejectDrive('device0', 'node1', destroys_media = False)
342075fd	275	self.delBlockDriverState('node1')
62acae8a	276	self.delDeviceModel('device0', False)
342075fd AG	277
342075fd AG	278	def testSnapshotSync(self):
62acae8a KW	279	self.addBlockDriverState('node0')
62acae8a KW	280	self.addDeviceModel('device0', 'node0')
342075fd AG	281	self.createSnapshotSync('node0', 'overlay0')
	282	# This fails because node0 is now being used as a backing image
	283	self.delBlockDriverState('node0', expect_error = True)
62acae8a KW	284	self.delBlockDriverState('overlay0', expect_error = True)
	285	# This succeeds because device0 only has the backend reference
	286	self.delDeviceModel('device0')
	287	# FIXME Would still be there if blockdev-snapshot-sync took a ref
	288	self.checkBlockDriverState('overlay0', False)
	289	self.delBlockDriverState('node0')
342075fd AG	290
342075fd AG	291	def testSnapshot(self):
62acae8a KW	292	self.addBlockDriverState('node0')
62acae8a KW	293	self.addDeviceModel('device0', 'node0', 'scsi-cd')
342075fd AG	294	self.addBlockDriverStateOverlay('overlay0')
342075fd AG	295	self.createSnapshot('node0', 'overlay0')
342075fd AG	296	self.delBlockDriverState('node0', expect_error = True)
342075fd AG	297	self.delBlockDriverState('overlay0', expect_error = True)
62acae8a	298	self.ejectDrive('device0', 'overlay0', destroys_media = False)
342075fd AG	299	self.delBlockDriverState('node0', expect_error = True)
342075fd AG	300	self.delBlockDriverState('overlay0')
62acae8a	301	self.delBlockDriverState('node0')
342075fd AG	302
342075fd AG	303	def testMirror(self):
62acae8a KW	304	self.addBlockDriverState('node0')
	305	self.addDeviceModel('device0', 'node0', 'scsi-cd')
	306	self.createMirror('node0', 'mirror0')
342075fd	307	# The block job prevents removing the device
342075fd AG	308	self.delBlockDriverState('node0', expect_error = True)
342075fd AG	309	self.delBlockDriverState('mirror0', expect_error = True)
62acae8a KW	310	self.wait_ready('node0')
62acae8a KW	311	self.completeBlockJob('node0', 'node0', 'mirror0')
342075fd	312	self.assert_no_active_block_jobs()
62acae8a KW	313	# This succeeds because the device now points to mirror0
	314	self.delBlockDriverState('node0')
	315	self.delBlockDriverState('mirror0', expect_error = True)
	316	self.delDeviceModel('device0', False)
	317	# FIXME mirror0 disappears, drive-mirror doesn't take a reference
	318	#self.delBlockDriverState('mirror0')
342075fd AG	319
	320	def testBlkDebug(self):
	321	self.addBlkDebug('debug0', 'node0')
	322	# 'node0' is used by the blkdebug node
	323	self.delBlockDriverState('node0', expect_error = True)
	324	# But we can remove the blkdebug node directly
	325	self.delBlockDriverState('debug0')
	326	self.checkBlockDriverState('node0', False)
	327
	328	def testBlkVerify(self):
	329	self.addBlkVerify('verify0', 'node0', 'node1')
	330	# We cannot remove the children of a blkverify device
	331	self.delBlockDriverState('node0', expect_error = True)
	332	self.delBlockDriverState('node1', expect_error = True)
	333	# But we can remove the blkverify node directly
	334	self.delBlockDriverState('verify0')
	335	self.checkBlockDriverState('node0', False)
	336	self.checkBlockDriverState('node1', False)
	337
	338	def testQuorum(self):
b0f90495	339	if not iotests.supports_quorum():
92e68987	340	return
b0f90495	341
342075fd AG	342	self.addQuorum('quorum0', 'node0', 'node1')
	343	# We cannot remove the children of a Quorum device
	344	self.delBlockDriverState('node0', expect_error = True)
	345	self.delBlockDriverState('node1', expect_error = True)
	346	# But we can remove the Quorum node directly
	347	self.delBlockDriverState('quorum0')
	348	self.checkBlockDriverState('node0', False)
	349	self.checkBlockDriverState('node1', False)
	350
	351
	352	if __name__ == '__main__':
	353	iotests.main(supported_fmts=["qcow2"])