def test_clone_error(self):
"""QEMU RuntimeError is raised if the base image is not contained within a libvirt Pool."""
pool = mock.Mock()
hypervisor = mock.Mock()
hypervisor.storageVolLookupByPath.side_effect = libvirt.libvirtError('BOOM')
with self.assertRaises(RuntimeError) as error:
qemu.disk_clone(hypervisor, 'foo', pool, {'image': '/foo/bar/baz.qcow2', 'clone': {}})
self.assertEqual(str(error), "/foo/bar/baz.qcow2 disk must be contained in a libvirt storage pool.")
def test_clone(self):
"""Clone no COW."""
pool = mock.Mock()
volume = mock.Mock()
hypervisor = mock.Mock()
hypervisor.storageVolLookupByPath.return_value = volume
pool.XMLDesc.return_value = """<pool><target><path>/pool/path</path></target></pool>"""
volume.XMLDesc.return_value = """<volume><target><path>/path/volume.qcow2</path></target>""" +\
"""<capacity>10</capacity></volume>"""
expected = """<volume type="file"><name>foo</name><uuid>foo</uuid><target>""" +\
"""<path>/pool/path/foo.qcow2</path><format type="qcow2" /></target>""" +\
"""<capacity>10</capacity></volume>"""
qemu.disk_clone(hypervisor, 'foo', pool, {'image': '/foo/bar/baz.qcow2', 'clone': {}})
results = pool.createXMLFrom.call_args_list[0][0][0]
results = results.replace('\n', '').replace('\t', '').replace(' ', '')
self.assertEqual(results, expected, compare(results, expected))
def test_clone_cow(self):
"""QEMU Clone with COW."""
pool = mock.Mock()
volume = mock.Mock()
hypervisor = mock.Mock()
hypervisor.storageVolLookupByPath.return_value = volume
pool.XMLDesc.return_value = """<pool><target><path>/pool/path</path></target></pool>"""
volume.XMLDesc.return_value = """<volume><target><path>/path/volume.qcow2</path></target>""" +\
"""<capacity>10</capacity></volume>"""
expected = """<volume type="file"><name>foo</name><uuid>foo</uuid><target>""" +\
"""<path>/pool/path/foo.qcow2</path><permissions><mode>0644</mode></permissions>""" +\
"""<format type="qcow2" /></target><capacity>10</capacity>""" +\
"""<backingStore><path>/path/volume.qcow2</path><format type="qcow2" />""" +\
"""</backingStore></volume>"""
qemu.disk_clone(hypervisor, 'foo', pool, {'image': '/foo/bar/baz.qcow2', 'clone': {'copy_on_write': True}})
results = pool.createXML.call_args_list[0][0][0]
results = results.replace('\n', '').replace('\t', '').replace(' ', '')
self.assertEqual(results, expected, compare(results, expected))
def test_clone(self):
"""Clone no COW."""
pool = mock.Mock()
volume = mock.Mock()
hypervisor = mock.Mock()
hypervisor.storageVolLookupByPath.return_value = volume
pool.XMLDesc.return_value = """<pool><target><path>/pool/path</path></target></pool>"""
volume.XMLDesc.return_value = """<volume><target><path>/path/volume.qcow2</path></target>""" +\
"""<capacity>10</capacity></volume>"""
expected = """<volume type="file"><name>foo</name><uuid>foo</uuid><target>""" +\
"""<path>/pool/path/foo.qcow2</path><format type="qcow2" /></target>""" +\
"""<capacity>10</capacity></volume>"""
qemu.disk_clone(hypervisor, 'foo', pool, {
'image': '/foo/bar/baz.qcow2',
'clone': {}
})
results = pool.createXMLFrom.call_args_list[0][0][0]
results = results.replace('\n', '').replace('\t', '').replace(' ', '')
self.assertEqual(results, expected, compare(results, expected))
def test_clone_fwdslash(self, os_mock):
"""QEMU Clone no COW."""
os_mock.return_value = True
logger = mock.Mock()
pool = mock.Mock()
volume = mock.Mock()
hypervisor = mock.Mock()
hypervisor.storageVolLookupByPath.side_effect = libvirt.libvirtError(
'BAM!')
pool.XMLDesc.return_value = """<pool><target><path>/pool/path</path></target></pool>"""
volume.XMLDesc.return_value = """<volume><target><path>/path/volume.qcow2</path>""" +\
"""</target><capacity>10</capacity></volume>"""
expected = """<volume type="file"><name>foo</name><uuid>foo</uuid><target>""" +\
"""<path>/pool/path/foo.qcow2</path><permissions>""" +\
"""<mode>0644</mode></permissions>""" +\
"""<format type="qcow2" /></target>""" +\
"""<capacity>10</capacity></volume>"""
with self.assertRaises(libvirt.libvirtError) as error:
qemu.disk_clone(hypervisor, 'foo', pool, {}, '/foo/bar/baz.qcow2',
logger)
self.assertFalse(
'/' in etree.fromstring(hypervisor.storagePoolDefineXML.
call_args[0][0]).find('.//name').text)
