tests: more cases for libvirt xml generation
Related to automatic mem balance enabling/disabling. Check how it behave in presence of PCI devices, or explicit disabling it.
This commit is contained in:
Marek Marczykowski-Górecki
parent
4dc8631010
commit
b8052f864a
@ -849,6 +849,155 @@ class TC_90_QubesVM(QubesVMTestsMixin, qubes.tests.QubesTestCase):
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self.assertXMLEqual(lxml.etree.XML(libvirt_xml),
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lxml.etree.XML(expected))
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def test_600_libvirt_xml_pvh_no_membalance(self):
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expected = '''<domain type="xen">
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<name>test-inst-test</name>
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<uuid>7db78950-c467-4863-94d1-af59806384ea</uuid>
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<memory unit="MiB">400</memory>
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<currentMemory unit="MiB">400</currentMemory>
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<vcpu placement="static">2</vcpu>
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<cpu mode='host-passthrough'>
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<!-- disable nested HVM -->
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<feature name='vmx' policy='disable'/>
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<feature name='svm' policy='disable'/>
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<!-- disable SMAP inside VM, because of Linux bug -->
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<feature name='smap' policy='disable'/>
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</cpu>
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<os>
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<type arch="x86_64" machine="xenfv">pvh</type>
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<kernel>/tmp/kernel/vmlinuz</kernel>
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<initrd>/tmp/kernel/initramfs</initrd>
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<cmdline>root=/dev/mapper/dmroot ro nomodeset console=hvc0 rd_NO_PLYMOUTH rd.plymouth.enable=0 plymouth.enable=0 nopat</cmdline>
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</os>
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<features>
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<pae/>
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<acpi/>
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<apic/>
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<viridian/>
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</features>
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<clock offset='utc' adjustment='reset'>
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<timer name="tsc" mode="native"/>
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</clock>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>destroy</on_reboot>
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<on_crash>destroy</on_crash>
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<devices>
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<disk type="block" device="disk">
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<driver name="phy" />
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<source dev="/tmp/kernel/modules.img" />
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<target dev="xvdd" />
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<backenddomain name="dom0" />
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</disk>
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<console type="pty">
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<target type="xen" port="0"/>
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</console>
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</devices>
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</domain>
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'''
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my_uuid = '7db78950-c467-4863-94d1-af59806384ea'
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vm = self.get_vm(uuid=my_uuid)
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vm.netvm = None
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vm.virt_mode = 'pvh'
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vm.maxmem = 0
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with unittest.mock.patch('qubes.config.qubes_base_dir',
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'/tmp/qubes-test'):
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kernel_dir = '/tmp/qubes-test/vm-kernels/dummy'
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os.makedirs(kernel_dir, exist_ok=True)
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open(os.path.join(kernel_dir, 'vmlinuz'), 'w').close()
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open(os.path.join(kernel_dir, 'initramfs'), 'w').close()
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self.addCleanup(shutil.rmtree, '/tmp/qubes-test')
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vm.kernel = 'dummy'
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# tests for storage are later
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vm.volumes['kernel'] = unittest.mock.Mock(**{
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'kernels_dir': '/tmp/kernel',
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'block_device.return_value.domain': 'dom0',
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'block_device.return_value.script': None,
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'block_device.return_value.path': '/tmp/kernel/modules.img',
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'block_device.return_value.devtype': 'disk',
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'block_device.return_value.name': 'kernel',
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})
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libvirt_xml = vm.create_config_file()
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self.assertXMLEqual(lxml.etree.XML(libvirt_xml),
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lxml.etree.XML(expected))
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def test_600_libvirt_xml_hvm_pcidev(self):
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expected = '''<domain type="xen">
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<name>test-inst-test</name>
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<uuid>7db78950-c467-4863-94d1-af59806384ea</uuid>
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<memory unit="MiB">400</memory>
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<currentMemory unit="MiB">400</currentMemory>
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<vcpu placement="static">2</vcpu>
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<cpu mode='host-passthrough'>
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<!-- disable nested HVM -->
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<feature name='vmx' policy='disable'/>
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<feature name='svm' policy='disable'/>
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<!-- disable SMAP inside VM, because of Linux bug -->
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<feature name='smap' policy='disable'/>
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</cpu>
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<os>
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<type arch="x86_64" machine="xenfv">hvm</type>
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<!--
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For the libxl backend libvirt switches between OVMF (UEFI)
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and SeaBIOS based on the loader type. This has nothing to
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do with the hvmloader binary.
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-->
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<loader type="rom">hvmloader</loader>
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<boot dev="cdrom" />
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<boot dev="hd" />
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</os>
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<features>
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<pae/>
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<acpi/>
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<apic/>
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<viridian/>
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<xen>
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<e820_host state="on"/>
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</xen>
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</features>
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<clock offset="variable" adjustment="0" basis="localtime" />
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>destroy</on_reboot>
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<on_crash>destroy</on_crash>
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<devices>
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<hostdev type="pci" managed="yes">
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<source>
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<address
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bus="0x00"
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slot="0x00"
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function="0x0" />
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</source>
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</hostdev>
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<!-- server_ip is the address of stubdomain. It hosts it's own DNS server. -->
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<emulator type="stubdom-linux" />
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<input type="tablet" bus="usb"/>
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<video>
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<model type="vga"/>
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</video>
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<graphics type="qubes"/>
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</devices>
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</domain>
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'''
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my_uuid = '7db78950-c467-4863-94d1-af59806384ea'
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# required for PCI devices listing
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self.app.vmm.offline_mode = False
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vm = self.get_vm(uuid=my_uuid)
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vm.netvm = None
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vm.virt_mode = 'hvm'
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vm.kernel = None
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# even with meminfo-writer enabled, should have memory==maxmem
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vm.features['service.meminfo-writer'] = True
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assignment = qubes.devices.DeviceAssignment(
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vm, # this is violation of API, but for PCI the argument
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# is unused
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'00_00.0',
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bus='pci',
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persistent=True)
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vm.devices['pci']._set.add(
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assignment)
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libvirt_xml = vm.create_config_file()
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self.assertXMLEqual(lxml.etree.XML(libvirt_xml),
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lxml.etree.XML(expected))
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def test_610_libvirt_xml_network(self):
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expected = '''<domain type="xen">
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<name>test-inst-test</name>
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