def main():
dev_type = os.environ.get('hostdev_scsi')
if dev_type is None:
# No translation requested for the given VM
return
_check_supported(dev_type)
domxml = hooking.read_domxml()
dom = _find_element_by_tag_name(domxml, 'domain')
devs = _find_element_by_tag_name(dom, 'devices')
index = _BASE_INDEX
for dev in _get_child_nodes(devs):
if not _is_scsi_dev(dev):
continue
dev_info = _parse_devs_xml(dev)
new_dev = _make_disk_device(domxml, dev_info, dev_type, index)
devs.replaceChild(new_dev, dev)
index += 1
hooking.write_domxml(domxml)
def test_write_domxml(self, monkeypatch):
with temporaryPath() as path:
monkeypatch.setenv('_hook_domxml', path)
hooking.write_domxml(minidom.parseString(self._EXPECTED_XML))
with io.open(path, 'r') as src:
found_xml = src.read()
assert xml_equal(found_xml, self._EXPECTED_XML)
def test_roundtrip_domxml(self, monkeypatch):
with temporaryPath() as path:
os.environ['_hook_domxml'] = path
monkeypatch.setenv('_hook_domxml', path)
hooking.write_domxml(minidom.parseString(self._EXPECTED_XML))
domxml = hooking.read_domxml()
assert xml_equal(domxml.toprettyxml(), self._EXPECTED_XML)
def main():
dev = os.environ.get('boot_hostdev')
if dev:
domxml = hooking.read_domxml()
# Free boot order 1, move all existing ones one up
for boot in domxml.getElementsByTagName('boot'):
order = int(boot.getAttribute('order'))
boot.setAttribute('order', str(order + 1))
# Find specified hostdev, set order = 1
usr_dev = get_user_device_attrs(dev)
for hostdev in domxml.getElementsByTagName('hostdev'):
xml_dev = get_xml_device_attrs(hostdev)
if xml_dev == usr_dev:
boot = domxml.createElement('boot')
boot.setAttribute('order', '1')
hostdev.appendChild(boot)
hooking.write_domxml(domxml)
break
def main():
dev = os.environ.get('boot_hostdev')
if dev:
domxml = hooking.read_domxml()
# Free boot order 1, move all existing ones one up
for boot in domxml.getElementsByTagName('boot'):
order = int(boot.getAttribute('order'))
boot.setAttribute('order', str(order + 1))
# Find specified hostdev, set order = 1
usr_dev = get_user_device_attrs(dev)
for hostdev in domxml.getElementsByTagName('hostdev'):
xml_dev = get_xml_device_attrs(hostdev)
if xml_dev == usr_dev:
boot = domxml.createElement('boot')
boot.setAttribute('order', '1')
hostdev.appendChild(boot)
hooking.write_domxml(domxml)
return
raise RuntimeError("Could not find device %s" % dev)
def main():
log_console = os.environ.get('log_console')
hooking.log(f'log_console: "{log_console}"')
if log_console == 'off':
return
log_console_vm_regexp = os.environ.get('log_console_vm_regexp')
hooking.log(f'log_console_vm_regexp: "{log_console_vm_regexp}"')
domxml = hooking.read_domxml()
vm_name = domxml.getElementsByTagName('name')[0].firstChild.data
hooking.log(f'vm_name: {vm_name}')
if (log_console != 'on'
and (not log_console_vm_regexp
or not re.match(log_console_vm_regexp, vm_name))):
return
devices = domxml.getElementsByTagName('devices')
serial_devices = [
child for child in devices[0].childNodes if child.localName == 'serial'
]
hooking.log(f'serial_devices: {serial_devices}')
if not serial_devices:
return
serial0 = serial_devices[0]
hooking.log(f'before: [{serial0.toprettyxml()}]')
log = domxml.createElement('log')
log.setAttribute('file', f'/var/log/libvirt/qemu/{vm_name}-console.log')
log.setAttribute('append', 'on')
serial0.appendChild(log)
hooking.log(f'after: [{serial0.toprettyxml()}]')
hooking.write_domxml(domxml)