7b2f3174f8
Extend the libvirt config APIs to include a new class LibvirtConfigGuestSnapshot for storing information about guest snapshots blueprint libvirt-xml-config-apis Change-Id: Icc54f6f5cf41b05d904659e0a337bddb4bef5733 Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
414 lines
13 KiB
Python
414 lines
13 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright (C) 2012 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from lxml import etree
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from lxml import objectify
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from nova import test
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from nova.virt.libvirt import config
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class LibvirtConfigBaseTest(test.TestCase):
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def assertXmlEqual(self, expectedXmlstr, actualXmlstr):
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expected = etree.tostring(objectify.fromstring(expectedXmlstr))
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actual = etree.tostring(objectify.fromstring(actualXmlstr))
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self.assertEqual(expected, actual)
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class LibvirtConfigTest(LibvirtConfigBaseTest):
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def test_config_plain(self):
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obj = config.LibvirtConfigObject(root_name="demo")
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xml = obj.to_xml()
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self.assertXmlEqual(xml, "<demo/>")
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def test_config_ns(self):
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obj = config.LibvirtConfigObject(root_name="demo", ns_prefix="foo",
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ns_uri="http://example.com/foo")
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<foo:demo xmlns:foo="http://example.com/foo"/>""")
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def test_config_text(self):
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obj = config.LibvirtConfigObject(root_name="demo")
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root = obj.format_dom()
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root.append(obj._text_node("foo", "bar"))
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xml = etree.tostring(root)
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self.assertXmlEqual(xml, "<demo><foo>bar</foo></demo>")
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class LibvirtConfigGuestDiskTest(LibvirtConfigBaseTest):
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def test_config_file(self):
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obj = config.LibvirtConfigGuestDisk()
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obj.source_type = "file"
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obj.source_path = "/tmp/hello"
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obj.target_dev = "/dev/hda"
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obj.target_bus = "ide"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<disk type="file" device="disk">
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<source file="/tmp/hello"/>
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<target bus="ide" dev="/dev/hda"/>
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</disk>""")
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def test_config_block(self):
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obj = config.LibvirtConfigGuestDisk()
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obj.source_type = "block"
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obj.source_path = "/tmp/hello"
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obj.source_device = "cdrom"
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obj.driver_name = "qemu"
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obj.target_dev = "/dev/hdc"
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obj.target_bus = "ide"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<disk type="block" device="cdrom">
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<driver name="qemu"/>
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<source dev="/tmp/hello"/>
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<target bus="ide" dev="/dev/hdc"/>
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</disk>""")
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def test_config_network(self):
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obj = config.LibvirtConfigGuestDisk()
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obj.source_type = "network"
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obj.source_protocol = "iscsi"
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obj.source_host = "foo.bar.com"
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obj.driver_name = "qemu"
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obj.driver_format = "qcow2"
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obj.target_dev = "/dev/hda"
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obj.target_bus = "ide"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<disk type="network" device="disk">
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<driver name="qemu" type="qcow2"/>
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<source protocol="iscsi" name="foo.bar.com"/>
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<target bus="ide" dev="/dev/hda"/>
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</disk>""")
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class LibvirtConfigGuestFilesysTest(LibvirtConfigBaseTest):
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def test_config_mount(self):
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obj = config.LibvirtConfigGuestFilesys()
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obj.source_type = "mount"
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obj.source_dir = "/tmp/hello"
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obj.target_dir = "/mnt"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<filesystem type="mount">
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<source dir="/tmp/hello"/>
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<target dir="/mnt"/>
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</filesystem>""")
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class LibvirtConfigGuestInputTest(LibvirtConfigBaseTest):
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def test_config_tablet(self):
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obj = config.LibvirtConfigGuestInput()
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<input type="tablet" bus="usb"/>""")
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class LibvirtConfigGuestGraphicsTest(LibvirtConfigBaseTest):
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def test_config_graphics(self):
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obj = config.LibvirtConfigGuestGraphics()
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obj.type = "vnc"
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obj.autoport = True
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obj.keymap = "en_US"
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obj.listen = "127.0.0.1"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<graphics type="vnc" autoport="yes" keymap="en_US" listen="127.0.0.1"/>
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""")
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class LibvirtConfigGuestSerialTest(LibvirtConfigBaseTest):
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def test_config_file(self):
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obj = config.LibvirtConfigGuestSerial()
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obj.type = "file"
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obj.source_path = "/tmp/vm.log"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<serial type="file">
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<source file="/tmp/vm.log"/>
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</serial>""")
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class LibvirtConfigGuestSerialTest(LibvirtConfigBaseTest):
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def test_config_pty(self):
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obj = config.LibvirtConfigGuestConsole()
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obj.type = "pty"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<console type="pty"/>""")
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class LibvirtConfigGuestInterfaceTest(LibvirtConfigBaseTest):
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def test_config_ethernet(self):
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obj = config.LibvirtConfigGuestInterface()
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obj.net_type = "ethernet"
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obj.mac_addr = "DE:AD:BE:EF:CA:FE"
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obj.model = "virtio"
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obj.target_dev = "vnet0"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<interface type="ethernet">
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<mac address="DE:AD:BE:EF:CA:FE"/>
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<model type="virtio"/>
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<target dev="vnet0"/>
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</interface>""")
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def test_config_bridge(self):
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obj = config.LibvirtConfigGuestInterface()
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obj.net_type = "bridge"
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obj.source_dev = "br0"
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obj.mac_addr = "DE:AD:BE:EF:CA:FE"
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obj.model = "virtio"
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obj.filtername = "clean-traffic"
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obj.filterparams.append({"key": "IP", "value": "192.168.122.1"})
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<interface type="bridge">
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<mac address="DE:AD:BE:EF:CA:FE"/>
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<model type="virtio"/>
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<source bridge="br0"/>
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<filterref filter="clean-traffic">
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<parameter name="IP" value="192.168.122.1"/>
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</filterref>
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</interface>""")
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def test_config_bridge_ovs(self):
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obj = config.LibvirtConfigGuestInterface()
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obj.net_type = "bridge"
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obj.source_dev = "br0"
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obj.mac_addr = "DE:AD:BE:EF:CA:FE"
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obj.model = "virtio"
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obj.vporttype = "openvswitch"
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obj.vportparams.append({"key": "instanceid", "value": "foobar"})
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<interface type="bridge">
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<mac address="DE:AD:BE:EF:CA:FE"/>
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<model type="virtio"/>
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<source bridge="br0"/>
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<virtualport type="openvswitch">
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<parameters instanceid="foobar"/>
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</virtualport>
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</interface>""")
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def test_config_8021Qbh(self):
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obj = config.LibvirtConfigGuestInterface()
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obj.net_type = "direct"
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obj.mac_addr = "DE:AD:BE:EF:CA:FE"
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obj.model = "virtio"
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obj.source_dev = "eth0"
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obj.vporttype = "802.1Qbh"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<interface type="direct">
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<mac address="DE:AD:BE:EF:CA:FE"/>
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<model type="virtio"/>
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<source mode="private" dev="eth0"/>
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<virtualport type="802.1Qbh"/>
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</interface>""")
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class LibvirtConfigGuestTest(LibvirtConfigBaseTest):
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def test_config_lxc(self):
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obj = config.LibvirtConfigGuest()
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obj.virt_type = "lxc"
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obj.memory = 1024 * 1024 * 100
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obj.vcpus = 2
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obj.name = "demo"
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obj.uuid = "b38a3f43-4be2-4046-897f-b67c2f5e0147"
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obj.os_type = "exe"
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obj.os_init_path = "/sbin/init"
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fs = config.LibvirtConfigGuestFilesys()
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fs.source_dir = "/root/lxc"
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fs.target_dir = "/"
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obj.add_device(fs)
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<domain type="lxc">
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<uuid>b38a3f43-4be2-4046-897f-b67c2f5e0147</uuid>
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<name>demo</name>
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<memory>104857600</memory>
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<vcpu>2</vcpu>
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<os>
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<type>exe</type>
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<init>/sbin/init</init>
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</os>
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<devices>
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<filesystem type="mount">
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<source dir="/root/lxc"/>
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<target dir="/"/>
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</filesystem>
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</devices>
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</domain>""")
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def test_config_xen(self):
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obj = config.LibvirtConfigGuest()
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obj.virt_type = "xen"
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obj.memory = 1024 * 1024 * 100
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obj.vcpus = 2
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obj.name = "demo"
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obj.uuid = "b38a3f43-4be2-4046-897f-b67c2f5e0147"
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obj.os_type = "linux"
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obj.os_kernel = "/tmp/vmlinuz"
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obj.os_initrd = "/tmp/ramdisk"
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obj.os_root = "root=xvda"
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obj.os_cmdline = "console=xvc0"
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disk = config.LibvirtConfigGuestDisk()
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disk.source_type = "file"
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disk.source_path = "/tmp/img"
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disk.target_dev = "/dev/xvda"
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disk.target_bus = "xen"
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obj.add_device(disk)
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<domain type="xen">
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<uuid>b38a3f43-4be2-4046-897f-b67c2f5e0147</uuid>
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<name>demo</name>
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<memory>104857600</memory>
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<vcpu>2</vcpu>
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<os>
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<type>linux</type>
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<kernel>/tmp/vmlinuz</kernel>
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<initrd>/tmp/ramdisk</initrd>
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<cmdline>console=xvc0</cmdline>
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<root>root=xvda</root>
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</os>
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<devices>
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<disk type="file" device="disk">
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<source file="/tmp/img"/>
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<target bus="xen" dev="/dev/xvda"/>
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</disk>
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</devices>
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</domain>""")
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def test_config_kvm(self):
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obj = config.LibvirtConfigGuest()
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obj.virt_type = "kvm"
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obj.memory = 1024 * 1024 * 100
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obj.vcpus = 2
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obj.name = "demo"
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obj.uuid = "b38a3f43-4be2-4046-897f-b67c2f5e0147"
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obj.os_type = "linux"
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obj.os_boot_dev = "hd"
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disk = config.LibvirtConfigGuestDisk()
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disk.source_type = "file"
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disk.source_path = "/tmp/img"
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disk.target_dev = "/dev/vda"
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disk.target_bus = "virtio"
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obj.add_device(disk)
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<domain type="kvm">
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<uuid>b38a3f43-4be2-4046-897f-b67c2f5e0147</uuid>
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<name>demo</name>
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<memory>104857600</memory>
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<vcpu>2</vcpu>
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<os>
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<type>linux</type>
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<boot dev="hd"/>
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</os>
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<devices>
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<disk type="file" device="disk">
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<source file="/tmp/img"/>
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<target bus="virtio" dev="/dev/vda"/>
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</disk>
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</devices>
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</domain>""")
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class LibvirtConfigCPUTest(LibvirtConfigBaseTest):
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def test_config_cpu(self):
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obj = config.LibvirtConfigCPU()
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obj.vendor = "AMD"
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obj.model = "Quad-Core AMD Opteron(tm) Processor 2350"
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obj.arch = "x86_64"
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obj.add_feature("svm")
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obj.add_feature("extapic")
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obj.add_feature("constant_tsc")
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<cpu>
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<arch>x86_64</arch>
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<model>Quad-Core AMD Opteron(tm) Processor 2350</model>
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<vendor>AMD</vendor>
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<feature name="svm"/>
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<feature name="extapic"/>
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<feature name="constant_tsc"/>
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</cpu>""")
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def test_config_topology(self):
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obj = config.LibvirtConfigCPU()
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obj.vendor = "AMD"
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obj.sockets = 2
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obj.cores = 4
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obj.threads = 2
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<cpu>
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<vendor>AMD</vendor>
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<topology cores="4" threads="2" sockets="2"/>
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</cpu>""")
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class LibvirtConfigGuestSnapshotTest(LibvirtConfigBaseTest):
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def test_config_snapshot(self):
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obj = config.LibvirtConfigGuestSnapshot()
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obj.name = "Demo"
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xml = obj.to_xml()
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self.assertXmlEqual(xml, """
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<domainsnapshot>
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<name>Demo</name>
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</domainsnapshot>""")
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