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

#!/usr/bin/env python3
# group: rw quick
#
# Test cases for the QMP 'blockdev-del' command
#
# Copyright (C) 2015 Igalia, S.L.
# Author: Alberto Garcia <berto@igalia.com>
#
# 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("{},id=virtio-scsi".format('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 = [x for x in result['return'] if x['node-name'] == node]
        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, '-F', iotests.imgfmt, 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'):
        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('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')

    @iotests.skip_if_unsupported(['blkdebug'])
    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)

    @iotests.skip_if_unsupported(['blkverify'])
    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)

    @iotests.skip_if_unsupported(['quorum'])
    def testQuorum(self):
        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"],
                 supported_protocols=["file"])
Commit	Line	Data
903cb1bf	1	#!/usr/bin/env python3
9dd003a9	2	# group: rw quick
342075fd	3	#
79b7a77e	4	# Test cases for the QMP 'blockdev-del' command
342075fd AG	5	#
	6	# Copyright (C) 2015 Igalia, S.L.
	7	# Author: Alberto Garcia <berto@igalia.com>
	8	#
	9	# This program is free software; you can redistribute it and/or modify
	10	# it under the terms of the GNU General Public License as published by
	11	# the Free Software Foundation; either version 2 of the License, or
	12	# (at your option) any later version.
	13	#
	14	# This program is distributed in the hope that it will be useful,
	15	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	# GNU General Public License for more details.
	18	#
	19	# You should have received a copy of the GNU General Public License
	20	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	21	#
	22
	23	import os
	24	import iotests
	25	import time
	26
	27	base_img = os.path.join(iotests.test_dir, 'base.img')
	28	new_img = os.path.join(iotests.test_dir, 'new.img')
	29
	30	class TestBlockdevDel(iotests.QMPTestCase):
	31
	32	def setUp(self):
	33	iotests.qemu_img('create', '-f', iotests.imgfmt, base_img, '1M')
	34	self.vm = iotests.VM()
22329f0d	35	self.vm.add_device("{},id=virtio-scsi".format('virtio-scsi'))
342075fd AG	36	self.vm.launch()
	37
	38	def tearDown(self):
	39	self.vm.shutdown()
	40	os.remove(base_img)
	41	if os.path.isfile(new_img):
	42	os.remove(new_img)
	43
342075fd AG	44	# Check whether a BlockDriverState exists
	45	def checkBlockDriverState(self, node, must_exist = True):
	46	result = self.vm.qmp('query-named-block-nodes')
68474776	47	nodes = [x for x in result['return'] if x['node-name'] == node]
342075fd AG	48	self.assertLessEqual(len(nodes), 1)
	49	self.assertEqual(must_exist, len(nodes) == 1)
	50
342075fd AG	51	# Add a BlockDriverState without a BlockBackend
	52	def addBlockDriverState(self, node):
	53	file_node = '%s_file' % node
	54	self.checkBlockDriverState(node, False)
	55	self.checkBlockDriverState(file_node, False)
	56	opts = {'driver': iotests.imgfmt,
	57	'node-name': node,
	58	'file': {'driver': 'file',
	59	'node-name': file_node,
	60	'filename': base_img}}
0153d2f5	61	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	62	self.assert_qmp(result, 'return', {})
	63	self.checkBlockDriverState(node)
	64	self.checkBlockDriverState(file_node)
	65
	66	# Add a BlockDriverState that will be used as overlay for the base_img BDS
	67	def addBlockDriverStateOverlay(self, node):
	68	self.checkBlockDriverState(node, False)
6e6e55f5	69	iotests.qemu_img('create', '-u', '-f', iotests.imgfmt,
b66ff2c2	70	'-b', base_img, '-F', iotests.imgfmt, new_img, '1M')
342075fd AG	71	opts = {'driver': iotests.imgfmt,
342075fd AG	72	'node-name': node,
c42e8742	73	'backing': None,
342075fd AG	74	'file': {'driver': 'file',
342075fd AG	75	'filename': new_img}}
0153d2f5	76	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	77	self.assert_qmp(result, 'return', {})
	78	self.checkBlockDriverState(node)
	79
342075fd AG	80	# Delete a BlockDriverState
	81	def delBlockDriverState(self, node, expect_error = False):
	82	self.checkBlockDriverState(node)
79b7a77e	83	result = self.vm.qmp('blockdev-del', node_name = node)
342075fd AG	84	if expect_error:
	85	self.assert_qmp(result, 'error/class', 'GenericError')
	86	else:
	87	self.assert_qmp(result, 'return', {})
	88	self.checkBlockDriverState(node, expect_error)
	89
	90	# Add a device model
22329f0d	91	def addDeviceModel(self, device, backend, driver = 'virtio-blk'):
342075fd	92	result = self.vm.qmp('device_add', id = device,
62acae8a	93	driver = driver, drive = backend)
342075fd AG	94	self.assert_qmp(result, 'return', {})
	95
	96	# Delete a device model
62acae8a	97	def delDeviceModel(self, device, is_virtio_blk = True):
342075fd AG	98	result = self.vm.qmp('device_del', id = device)
	99	self.assert_qmp(result, 'return', {})
	100
	101	result = self.vm.qmp('system_reset')
	102	self.assert_qmp(result, 'return', {})
	103
62acae8a KW	104	if is_virtio_blk:
	105	device_path = '/machine/peripheral/%s/virtio-backend' % device
	106	event = self.vm.event_wait(name="DEVICE_DELETED",
	107	match={'data': {'path': device_path}})
	108	self.assertNotEqual(event, None)
342075fd AG	109
	110	event = self.vm.event_wait(name="DEVICE_DELETED",
	111	match={'data': {'device': device}})
	112	self.assertNotEqual(event, None)
	113
	114	# Remove a BlockDriverState
62acae8a	115	def ejectDrive(self, device, node, expect_error = False,
342075fd	116	destroys_media = True):
342075fd	117	self.checkBlockDriverState(node)
62acae8a	118	result = self.vm.qmp('eject', id = device)
342075fd AG	119	if expect_error:
	120	self.assert_qmp(result, 'error/class', 'GenericError')
	121	self.checkBlockDriverState(node)
342075fd AG	122	else:
	123	self.assert_qmp(result, 'return', {})
	124	self.checkBlockDriverState(node, not destroys_media)
342075fd AG	125
342075fd AG	126	# Insert a BlockDriverState
62acae8a	127	def insertDrive(self, device, node):
342075fd	128	self.checkBlockDriverState(node)
34ce1111	129	result = self.vm.qmp('blockdev-insert-medium',
62acae8a	130	id = device, node_name = node)
342075fd	131	self.assert_qmp(result, 'return', {})
342075fd AG	132	self.checkBlockDriverState(node)
	133
	134	# Create a snapshot using 'blockdev-snapshot-sync'
	135	def createSnapshotSync(self, node, overlay):
	136	self.checkBlockDriverState(node)
	137	self.checkBlockDriverState(overlay, False)
	138	opts = {'node-name': node,
	139	'snapshot-file': new_img,
	140	'snapshot-node-name': overlay,
	141	'format': iotests.imgfmt}
	142	result = self.vm.qmp('blockdev-snapshot-sync', conv_keys=False, **opts)
	143	self.assert_qmp(result, 'return', {})
	144	self.checkBlockDriverState(node)
	145	self.checkBlockDriverState(overlay)
	146
	147	# Create a snapshot using 'blockdev-snapshot'
	148	def createSnapshot(self, node, overlay):
	149	self.checkBlockDriverState(node)
	150	self.checkBlockDriverState(overlay)
	151	result = self.vm.qmp('blockdev-snapshot',
	152	node = node, overlay = overlay)
	153	self.assert_qmp(result, 'return', {})
	154	self.checkBlockDriverState(node)
	155	self.checkBlockDriverState(overlay)
	156
	157	# Create a mirror
62acae8a	158	def createMirror(self, node, new_node):
342075fd	159	self.checkBlockDriverState(new_node, False)
62acae8a KW	160	opts = {'device': node,
62acae8a KW	161	'job-id': node,
342075fd AG	162	'target': new_img,
	163	'node-name': new_node,
	164	'sync': 'top',
	165	'format': iotests.imgfmt}
	166	result = self.vm.qmp('drive-mirror', conv_keys=False, **opts)
	167	self.assert_qmp(result, 'return', {})
342075fd AG	168	self.checkBlockDriverState(new_node)
	169
	170	# Complete an existing block job
62acae8a KW	171	def completeBlockJob(self, id, node_before, node_after):
62acae8a KW	172	result = self.vm.qmp('block-job-complete', device=id)
342075fd	173	self.assert_qmp(result, 'return', {})
62acae8a	174	self.wait_until_completed(id)
342075fd AG	175
342075fd AG	176	# Add a BlkDebug node
79b7a77e	177	# Note that the purpose of this is to test the blockdev-del
342075fd AG	178	# sanity checks, not to create a usable blkdebug drive
	179	def addBlkDebug(self, debug, node):
	180	self.checkBlockDriverState(node, False)
	181	self.checkBlockDriverState(debug, False)
	182	image = {'driver': iotests.imgfmt,
	183	'node-name': node,
	184	'file': {'driver': 'file',
	185	'filename': base_img}}
	186	opts = {'driver': 'blkdebug',
	187	'node-name': debug,
	188	'image': image}
0153d2f5	189	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	190	self.assert_qmp(result, 'return', {})
	191	self.checkBlockDriverState(node)
	192	self.checkBlockDriverState(debug)
	193
	194	# Add a BlkVerify node
79b7a77e	195	# Note that the purpose of this is to test the blockdev-del
342075fd AG	196	# sanity checks, not to create a usable blkverify drive
	197	def addBlkVerify(self, blkverify, test, raw):
	198	self.checkBlockDriverState(test, False)
	199	self.checkBlockDriverState(raw, False)
	200	self.checkBlockDriverState(blkverify, False)
	201	iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
	202	node_0 = {'driver': iotests.imgfmt,
	203	'node-name': test,
	204	'file': {'driver': 'file',
	205	'filename': base_img}}
	206	node_1 = {'driver': iotests.imgfmt,
	207	'node-name': raw,
	208	'file': {'driver': 'file',
	209	'filename': new_img}}
	210	opts = {'driver': 'blkverify',
	211	'node-name': blkverify,
	212	'test': node_0,
	213	'raw': node_1}
0153d2f5	214	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	215	self.assert_qmp(result, 'return', {})
	216	self.checkBlockDriverState(test)
	217	self.checkBlockDriverState(raw)
	218	self.checkBlockDriverState(blkverify)
	219
	220	# Add a Quorum node
	221	def addQuorum(self, quorum, child0, child1):
	222	self.checkBlockDriverState(child0, False)
	223	self.checkBlockDriverState(child1, False)
	224	self.checkBlockDriverState(quorum, False)
	225	iotests.qemu_img('create', '-f', iotests.imgfmt, new_img, '1M')
	226	child_0 = {'driver': iotests.imgfmt,
	227	'node-name': child0,
	228	'file': {'driver': 'file',
	229	'filename': base_img}}
	230	child_1 = {'driver': iotests.imgfmt,
	231	'node-name': child1,
	232	'file': {'driver': 'file',
	233	'filename': new_img}}
	234	opts = {'driver': 'quorum',
	235	'node-name': quorum,
	236	'vote-threshold': 1,
	237	'children': [ child_0, child_1 ]}
0153d2f5	238	result = self.vm.qmp('blockdev-add', conv_keys = False, **opts)
342075fd AG	239	self.assert_qmp(result, 'return', {})
	240	self.checkBlockDriverState(child0)
	241	self.checkBlockDriverState(child1)
	242	self.checkBlockDriverState(quorum)
	243
	244	########################
	245	# The tests start here #
	246	########################
	247
342075fd AG	248	def testBlockDriverState(self):
	249	self.addBlockDriverState('node0')
	250	# You cannot delete a file BDS directly
	251	self.delBlockDriverState('node0_file', expect_error = True)
	252	self.delBlockDriverState('node0')
	253
342075fd	254	def testDeviceModel(self):
62acae8a KW	255	self.addBlockDriverState('node0')
	256	self.addDeviceModel('device0', 'node0')
	257	self.ejectDrive('device0', 'node0', expect_error = True)
	258	self.delBlockDriverState('node0', expect_error = True)
342075fd	259	self.delDeviceModel('device0')
62acae8a	260	self.delBlockDriverState('node0')
342075fd AG	261
	262	def testAttachMedia(self):
	263	# This creates a BlockBackend and removes its media
62acae8a KW	264	self.addBlockDriverState('node0')
	265	self.addDeviceModel('device0', 'node0', 'scsi-cd')
	266	self.ejectDrive('device0', 'node0', destroys_media = False)
	267	self.delBlockDriverState('node0')
	268
	269	# This creates a new BlockDriverState and inserts it into the device
342075fd	270	self.addBlockDriverState('node1')
62acae8a KW	271	self.insertDrive('device0', 'node1')
62acae8a KW	272	# The node can't be removed: the new device has an extra reference
342075fd AG	273	self.delBlockDriverState('node1', expect_error = True)
342075fd AG	274	# The BDS still exists after being ejected, but now it can be removed
62acae8a	275	self.ejectDrive('device0', 'node1', destroys_media = False)
342075fd	276	self.delBlockDriverState('node1')
62acae8a	277	self.delDeviceModel('device0', False)
342075fd AG	278
342075fd AG	279	def testSnapshotSync(self):
62acae8a KW	280	self.addBlockDriverState('node0')
62acae8a KW	281	self.addDeviceModel('device0', 'node0')
342075fd AG	282	self.createSnapshotSync('node0', 'overlay0')
	283	# This fails because node0 is now being used as a backing image
	284	self.delBlockDriverState('node0', expect_error = True)
62acae8a KW	285	self.delBlockDriverState('overlay0', expect_error = True)
	286	# This succeeds because device0 only has the backend reference
	287	self.delDeviceModel('device0')
	288	# FIXME Would still be there if blockdev-snapshot-sync took a ref
	289	self.checkBlockDriverState('overlay0', False)
	290	self.delBlockDriverState('node0')
342075fd AG	291
342075fd AG	292	def testSnapshot(self):
62acae8a KW	293	self.addBlockDriverState('node0')
62acae8a KW	294	self.addDeviceModel('device0', 'node0', 'scsi-cd')
342075fd AG	295	self.addBlockDriverStateOverlay('overlay0')
342075fd AG	296	self.createSnapshot('node0', 'overlay0')
342075fd AG	297	self.delBlockDriverState('node0', expect_error = True)
342075fd AG	298	self.delBlockDriverState('overlay0', expect_error = True)
62acae8a	299	self.ejectDrive('device0', 'overlay0', destroys_media = False)
342075fd AG	300	self.delBlockDriverState('node0', expect_error = True)
342075fd AG	301	self.delBlockDriverState('overlay0')
62acae8a	302	self.delBlockDriverState('node0')
342075fd AG	303
342075fd AG	304	def testMirror(self):
62acae8a KW	305	self.addBlockDriverState('node0')
	306	self.addDeviceModel('device0', 'node0', 'scsi-cd')
	307	self.createMirror('node0', 'mirror0')
342075fd	308	# The block job prevents removing the device
342075fd AG	309	self.delBlockDriverState('node0', expect_error = True)
342075fd AG	310	self.delBlockDriverState('mirror0', expect_error = True)
62acae8a KW	311	self.wait_ready('node0')
62acae8a KW	312	self.completeBlockJob('node0', 'node0', 'mirror0')
342075fd	313	self.assert_no_active_block_jobs()
62acae8a KW	314	# This succeeds because the device now points to mirror0
	315	self.delBlockDriverState('node0')
	316	self.delBlockDriverState('mirror0', expect_error = True)
	317	self.delDeviceModel('device0', False)
	318	# FIXME mirror0 disappears, drive-mirror doesn't take a reference
	319	#self.delBlockDriverState('mirror0')
342075fd	320
d9df28e7	321	@iotests.skip_if_unsupported(['blkdebug'])
342075fd AG	322	def testBlkDebug(self):
	323	self.addBlkDebug('debug0', 'node0')
	324	# 'node0' is used by the blkdebug node
	325	self.delBlockDriverState('node0', expect_error = True)
	326	# But we can remove the blkdebug node directly
	327	self.delBlockDriverState('debug0')
	328	self.checkBlockDriverState('node0', False)
	329
d9df28e7	330	@iotests.skip_if_unsupported(['blkverify'])
342075fd AG	331	def testBlkVerify(self):
	332	self.addBlkVerify('verify0', 'node0', 'node1')
	333	# We cannot remove the children of a blkverify device
	334	self.delBlockDriverState('node0', expect_error = True)
	335	self.delBlockDriverState('node1', expect_error = True)
	336	# But we can remove the blkverify node directly
	337	self.delBlockDriverState('verify0')
	338	self.checkBlockDriverState('node0', False)
	339	self.checkBlockDriverState('node1', False)
	340
d9df28e7	341	@iotests.skip_if_unsupported(['quorum'])
342075fd AG	342	def testQuorum(self):
	343	self.addQuorum('quorum0', 'node0', 'node1')
	344	# We cannot remove the children of a Quorum device
	345	self.delBlockDriverState('node0', expect_error = True)
	346	self.delBlockDriverState('node1', expect_error = True)
	347	# But we can remove the Quorum node directly
	348	self.delBlockDriverState('quorum0')
	349	self.checkBlockDriverState('node0', False)
	350	self.checkBlockDriverState('node1', False)
	351
	352
	353	if __name__ == '__main__':
103cbc77 HR	354	iotests.main(supported_fmts=["qcow2"],
103cbc77 HR	355	supported_protocols=["file"])