145 lines
5 KiB
Python
145 lines
5 KiB
Python
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#
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# Test virtio-scsi and virtio-blk queue settings for all machine types
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#
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# Copyright (c) 2019 Virtuozzo International GmbH
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import sys
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import os
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import re
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import logging
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sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'python'))
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from qemu.machine import QEMUMachine
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from avocado_qemu import Test
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from avocado import skip
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#list of machine types and virtqueue properties to test
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VIRTIO_SCSI_PROPS = {'seg_max_adjust': 'seg_max_adjust'}
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VIRTIO_BLK_PROPS = {'seg_max_adjust': 'seg-max-adjust'}
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DEV_TYPES = {'virtio-scsi-pci': VIRTIO_SCSI_PROPS,
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'virtio-blk-pci': VIRTIO_BLK_PROPS}
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VM_DEV_PARAMS = {'virtio-scsi-pci': ['-device', 'virtio-scsi-pci,id=scsi0'],
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'virtio-blk-pci': ['-device',
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'virtio-blk-pci,id=scsi0,drive=drive0',
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'-drive',
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'driver=null-co,id=drive0,if=none']}
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class VirtioMaxSegSettingsCheck(Test):
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@staticmethod
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def make_pattern(props):
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pattern_items = ['{0} = \w+'.format(prop) for prop in props]
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return '|'.join(pattern_items)
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def query_virtqueue(self, vm, dev_type_name):
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query_ok = False
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error = None
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props = None
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output = vm.command('human-monitor-command',
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command_line = 'info qtree')
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props_list = DEV_TYPES[dev_type_name].values();
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pattern = self.make_pattern(props_list)
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res = re.findall(pattern, output)
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if len(res) != len(props_list):
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props_list = set(props_list)
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res = set(res)
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not_found = props_list.difference(res)
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not_found = ', '.join(not_found)
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error = '({0}): The following properties not found: {1}'\
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.format(dev_type_name, not_found)
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else:
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query_ok = True
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props = dict()
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for prop in res:
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p = prop.split(' = ')
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props[p[0]] = p[1]
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return query_ok, props, error
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def check_mt(self, mt, dev_type_name):
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mt['device'] = dev_type_name # Only for the debug() call.
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logger = logging.getLogger('machine')
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logger.debug(mt)
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with QEMUMachine(self.qemu_bin) as vm:
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vm.set_machine(mt["name"])
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vm.add_args('-nodefaults')
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for s in VM_DEV_PARAMS[dev_type_name]:
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vm.add_args(s)
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try:
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vm.launch()
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query_ok, props, error = self.query_virtqueue(vm, dev_type_name)
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except:
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query_ok = False
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error = sys.exc_info()[0]
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if not query_ok:
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self.fail('machine type {0}: {1}'.format(mt['name'], error))
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for prop_name, prop_val in props.items():
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expected_val = mt[prop_name]
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self.assertEqual(expected_val, prop_val)
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@staticmethod
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def seg_max_adjust_enabled(mt):
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# machine types >= 5.0 should have seg_max_adjust = true
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# others seg_max_adjust = false
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mt = mt.split("-")
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# machine types with one line name and name like pc-x.x
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if len(mt) <= 2:
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return False
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# machine types like pc-<chip_name>-x.x[.x]
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ver = mt[2]
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ver = ver.split(".");
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# versions >= 5.0 goes with seg_max_adjust enabled
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major = int(ver[0])
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if major >= 5:
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return True
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return False
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@skip("break multi-arch CI")
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def test_machine_types(self):
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# collect all machine types except 'none', 'isapc', 'microvm'
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with QEMUMachine(self.qemu_bin) as vm:
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vm.launch()
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machines = [m['name'] for m in vm.command('query-machines')]
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vm.shutdown()
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machines.remove('none')
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machines.remove('isapc')
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machines.remove('microvm')
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for dev_type in DEV_TYPES:
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# create the list of machine types and their parameters.
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mtypes = list()
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for m in machines:
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if self.seg_max_adjust_enabled(m):
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enabled = 'true'
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else:
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enabled = 'false'
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mtypes.append({'name': m,
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DEV_TYPES[dev_type]['seg_max_adjust']: enabled})
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# test each machine type for a device type
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for mt in mtypes:
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self.check_mt(mt, dev_type)
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