Merge "Fix libvirt Connection.get_disks method"
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commit
2c7e0d1e63
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@ -693,6 +693,66 @@ class LibvirtConnTestCase(test.TestCase):
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devices = conn.get_all_block_devices()
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self.assertEqual(devices, ['/path/to/dev/1', '/path/to/dev/3'])
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def test_get_disks(self):
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xml = [
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# NOTE(vish): id 0 is skipped
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None,
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"""
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<domain type='kvm'>
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<devices>
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<disk type='file'>
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<source file='filename'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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<disk type='block'>
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<source dev='/path/to/dev/1'/>
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<target dev='vdb' bus='virtio'/>
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</disk>
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</devices>
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</domain>
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""",
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"""
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<domain type='kvm'>
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<devices>
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<disk type='file'>
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<source file='filename'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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</devices>
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</domain>
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""",
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"""
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<domain type='kvm'>
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<devices>
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<disk type='file'>
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<source file='filename'/>
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<target dev='vda' bus='virtio'/>
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</disk>
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<disk type='block'>
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<source dev='/path/to/dev/3'/>
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<target dev='vdb' bus='virtio'/>
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</disk>
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</devices>
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</domain>
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""",
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]
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def fake_lookup(id):
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return FakeVirtDomain(xml[id])
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def fake_lookup_name(name):
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return FakeVirtDomain(xml[1])
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self.mox.StubOutWithMock(connection.LibvirtConnection, '_conn')
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connection.LibvirtConnection._conn.listDomainsID = lambda: range(4)
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connection.LibvirtConnection._conn.lookupByID = fake_lookup
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connection.LibvirtConnection._conn.lookupByName = fake_lookup_name
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self.mox.ReplayAll()
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conn = connection.LibvirtConnection(False)
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devices = conn.get_disks(conn.list_instances()[0])
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self.assertEqual(devices, ['vda', 'vdb'])
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@test.skip_if(missing_libvirt(), "Test requires libvirt")
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def test_snapshot_in_ami_format(self):
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self.flags(image_service='nova.image.fake.FakeImageService')
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@ -1773,30 +1773,15 @@ class LibvirtConnection(driver.ComputeDriver):
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"""
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domain = self._lookup_by_name(instance_name)
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xml = domain.XMLDesc(0)
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doc = None
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try:
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doc = etree.fromstring(xml)
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except Exception:
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return []
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disks = []
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ret = doc.findall('./devices/disk')
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for node in ret:
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devdst = None
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for child in node.children:
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if child.name == 'target':
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devdst = child.prop('dev')
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if devdst is None:
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continue
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disks.append(devdst)
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return disks
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return filter(bool,
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[target.get("dev") \
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for target in doc.findall('devices/disk/target')])
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def get_interfaces(self, instance_name):
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"""
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