409 lines
17 KiB
Python
409 lines
17 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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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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"""Tests For miscellaneous util methods used with compute."""
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import string
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from oslo.config import cfg
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from nova.compute import instance_types
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from nova.compute import utils as compute_utils
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from nova import context
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from nova import db
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from nova import exception
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from nova.image import glance
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from nova.network import api as network_api
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from nova.openstack.common import importutils
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from nova.openstack.common.notifier import api as notifier_api
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from nova.openstack.common.notifier import test_notifier
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from nova import test
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from nova.tests import fake_instance_actions
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from nova.tests import fake_network
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import nova.tests.image.fake
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CONF = cfg.CONF
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CONF.import_opt('compute_manager', 'nova.service')
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CONF.import_opt('compute_driver', 'nova.virt.driver')
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class ComputeValidateDeviceTestCase(test.TestCase):
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def setUp(self):
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super(ComputeValidateDeviceTestCase, self).setUp()
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self.context = context.RequestContext('fake', 'fake')
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# check if test name includes "xen"
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if 'xen' in self.id():
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self.flags(compute_driver='xenapi.XenAPIDriver')
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self.instance = {
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'uuid': 'fake',
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'root_device_name': None,
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'instance_type_id': 'fake',
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}
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else:
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self.instance = {
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'uuid': 'fake',
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'root_device_name': '/dev/vda',
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'default_ephemeral_device': '/dev/vdb',
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'instance_type_id': 'fake',
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}
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self.data = []
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def fake_get(instance_type_id, ctxt=None):
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return self.instance_type
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self.stubs.Set(db, 'block_device_mapping_get_all_by_instance',
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lambda context, instance: self.data)
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def _update_instance_type(self, instance_type_info):
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self.instance_type = {
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'id': 1,
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'name': 'foo',
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'memory_mb': 128,
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'vcpus': 1,
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'root_gb': 10,
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'ephemeral_gb': 10,
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'flavorid': 1,
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'swap': 0,
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'rxtx_factor': 1.0,
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'vcpu_weight': 1,
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}
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self.instance_type.update(instance_type_info)
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self.instance['system_metadata'] = [{'key': 'instance_type_%s' % key,
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'value': value}
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for key, value in
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self.instance_type.items()]
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def _validate_device(self, device=None):
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bdms = db.block_device_mapping_get_all_by_instance(
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self.context, self.instance['uuid'])
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return compute_utils.get_device_name_for_instance(
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self.context, self.instance, bdms, device)
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@staticmethod
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def _fake_bdm(device):
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return {
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'device_name': device,
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'no_device': None,
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'volume_id': 'fake',
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'snapshot_id': None
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}
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def test_wrap(self):
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self.data = []
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for letter in string.ascii_lowercase[2:]:
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self.data.append(self._fake_bdm('/dev/vd' + letter))
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdaa')
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def test_wrap_plus_one(self):
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self.data = []
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for letter in string.ascii_lowercase[2:]:
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self.data.append(self._fake_bdm('/dev/vd' + letter))
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self.data.append(self._fake_bdm('/dev/vdaa'))
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdab')
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def test_later(self):
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self.data = [
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self._fake_bdm('/dev/vdc'),
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self._fake_bdm('/dev/vdd'),
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self._fake_bdm('/dev/vde'),
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]
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdf')
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def test_gap(self):
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self.data = [
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self._fake_bdm('/dev/vdc'),
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self._fake_bdm('/dev/vde'),
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]
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdd')
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def test_no_bdms(self):
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self.data = []
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdc')
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def test_lxc_names_work(self):
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self.instance['root_device_name'] = '/dev/a'
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self.instance['ephemeral_device_name'] = '/dev/b'
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self.data = []
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device = self._validate_device()
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self.assertEqual(device, '/dev/c')
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def test_name_conversion(self):
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self.data = []
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device = self._validate_device('/dev/c')
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self.assertEqual(device, '/dev/vdc')
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device = self._validate_device('/dev/sdc')
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self.assertEqual(device, '/dev/vdc')
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device = self._validate_device('/dev/xvdc')
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self.assertEqual(device, '/dev/vdc')
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def test_invalid_bdms(self):
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self.instance['root_device_name'] = "baddata"
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self.assertRaises(exception.InvalidDevicePath,
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self._validate_device)
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def test_invalid_device_prefix(self):
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self.assertRaises(exception.InvalidDevicePath,
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self._validate_device, '/baddata/vdc')
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def test_device_in_use(self):
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exc = self.assertRaises(exception.DevicePathInUse,
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self._validate_device, '/dev/vda')
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self.assertIn('/dev/vda', str(exc))
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def test_swap(self):
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self.instance['default_swap_device'] = "/dev/vdc"
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdd')
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def test_swap_no_ephemeral(self):
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del self.instance['default_ephemeral_device']
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self.instance['default_swap_device'] = "/dev/vdb"
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device = self._validate_device()
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self.assertEqual(device, '/dev/vdc')
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def test_ephemeral_xenapi(self):
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self._update_instance_type({
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'ephemeral_gb': 10,
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'swap': 0,
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})
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self.stubs.Set(instance_types, 'get_instance_type',
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lambda instance_type_id, ctxt=None: self.instance_type)
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device = self._validate_device()
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self.assertEqual(device, '/dev/xvdc')
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def test_swap_xenapi(self):
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self._update_instance_type({
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'ephemeral_gb': 0,
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'swap': 10,
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})
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self.stubs.Set(instance_types, 'get_instance_type',
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lambda instance_type_id, ctxt=None: self.instance_type)
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device = self._validate_device()
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self.assertEqual(device, '/dev/xvdb')
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def test_swap_and_ephemeral_xenapi(self):
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self._update_instance_type({
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'ephemeral_gb': 10,
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'swap': 10,
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})
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self.stubs.Set(instance_types, 'get_instance_type',
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lambda instance_type_id, ctxt=None: self.instance_type)
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device = self._validate_device()
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self.assertEqual(device, '/dev/xvdd')
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def test_swap_and_one_attachment_xenapi(self):
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self._update_instance_type({
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'ephemeral_gb': 0,
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'swap': 10,
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})
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self.stubs.Set(instance_types, 'get_instance_type',
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lambda instance_type_id, ctxt=None: self.instance_type)
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device = self._validate_device()
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self.assertEqual(device, '/dev/xvdb')
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self.data.append(self._fake_bdm(device))
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device = self._validate_device()
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self.assertEqual(device, '/dev/xvdd')
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class UsageInfoTestCase(test.TestCase):
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def setUp(self):
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def fake_get_nw_info(cls, ctxt, instance):
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self.assertTrue(ctxt.is_admin)
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return fake_network.fake_get_instance_nw_info(self.stubs, 1, 1,
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spectacular=True)
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super(UsageInfoTestCase, self).setUp()
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self.stubs.Set(network_api.API, 'get_instance_nw_info',
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fake_get_nw_info)
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notifier_api._reset_drivers()
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self.addCleanup(notifier_api._reset_drivers)
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self.flags(use_local=True, group='conductor')
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self.flags(compute_driver='nova.virt.fake.FakeDriver',
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notification_driver=[test_notifier.__name__],
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network_manager='nova.network.manager.FlatManager')
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self.compute = importutils.import_object(CONF.compute_manager)
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self.user_id = 'fake'
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self.project_id = 'fake'
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self.context = context.RequestContext(self.user_id, self.project_id)
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test_notifier.NOTIFICATIONS = []
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def fake_show(meh, context, id):
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return {'id': 1, 'properties': {'kernel_id': 1, 'ramdisk_id': 1}}
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self.stubs.Set(nova.tests.image.fake._FakeImageService,
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'show', fake_show)
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fake_network.set_stub_network_methods(self.stubs)
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fake_instance_actions.stub_out_action_events(self.stubs)
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def _create_instance(self, params={}):
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"""Create a test instance."""
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instance_type = instance_types.get_instance_type_by_name('m1.tiny')
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sys_meta = instance_types.save_instance_type_info({}, instance_type)
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inst = {}
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inst['image_ref'] = 1
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inst['reservation_id'] = 'r-fakeres'
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inst['launch_time'] = '10'
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inst['user_id'] = self.user_id
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inst['project_id'] = self.project_id
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inst['instance_type_id'] = instance_type['id']
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inst['system_metadata'] = sys_meta
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inst['ami_launch_index'] = 0
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inst['root_gb'] = 0
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inst['ephemeral_gb'] = 0
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inst.update(params)
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return db.instance_create(self.context, inst)['id']
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def test_notify_usage_exists(self):
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# Ensure 'exists' notification generates appropriate usage data.
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instance_id = self._create_instance()
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instance = db.instance_get(self.context, instance_id)
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# Set some system metadata
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sys_metadata = {'image_md_key1': 'val1',
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'image_md_key2': 'val2',
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'other_data': 'meow'}
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db.instance_system_metadata_update(self.context, instance['uuid'],
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sys_metadata, False)
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instance = db.instance_get(self.context, instance_id)
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compute_utils.notify_usage_exists(self.context, instance)
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self.assertEquals(len(test_notifier.NOTIFICATIONS), 1)
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msg = test_notifier.NOTIFICATIONS[0]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.exists')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
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self.assertEquals(payload['instance_id'], instance['uuid'])
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self.assertEquals(payload['instance_type'], 'm1.tiny')
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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self.assertEquals(str(payload['instance_type_id']), str(type_id))
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for attr in ('display_name', 'created_at', 'launched_at',
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'state', 'state_description',
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'bandwidth', 'audit_period_beginning',
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'audit_period_ending', 'image_meta'):
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self.assertTrue(attr in payload,
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msg="Key %s not in payload" % attr)
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self.assertEquals(payload['image_meta'],
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{'md_key1': 'val1', 'md_key2': 'val2'})
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image_ref_url = "%s/images/1" % glance.generate_glance_url()
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self.assertEquals(payload['image_ref_url'], image_ref_url)
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self.compute.terminate_instance(self.context, instance)
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def test_notify_usage_exists_deleted_instance(self):
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# Ensure 'exists' notification generates appropriate usage data.
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instance_id = self._create_instance()
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instance = db.instance_get(self.context, instance_id)
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# Set some system metadata
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sys_metadata = {'image_md_key1': 'val1',
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'image_md_key2': 'val2',
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'other_data': 'meow'}
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db.instance_system_metadata_update(self.context, instance['uuid'],
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sys_metadata, False)
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self.compute.terminate_instance(self.context, instance)
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instance = db.instance_get(self.context.elevated(read_deleted='yes'),
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instance_id)
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compute_utils.notify_usage_exists(self.context, instance)
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msg = test_notifier.NOTIFICATIONS[-1]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.exists')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
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self.assertEquals(payload['instance_id'], instance['uuid'])
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self.assertEquals(payload['instance_type'], 'm1.tiny')
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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self.assertEquals(str(payload['instance_type_id']), str(type_id))
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for attr in ('display_name', 'created_at', 'launched_at',
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'state', 'state_description',
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'bandwidth', 'audit_period_beginning',
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'audit_period_ending', 'image_meta'):
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self.assertTrue(attr in payload,
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msg="Key %s not in payload" % attr)
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self.assertEquals(payload['image_meta'],
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{'md_key1': 'val1', 'md_key2': 'val2'})
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image_ref_url = "%s/images/1" % glance.generate_glance_url()
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self.assertEquals(payload['image_ref_url'], image_ref_url)
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def test_notify_usage_exists_instance_not_found(self):
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# Ensure 'exists' notification generates appropriate usage data.
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instance_id = self._create_instance()
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instance = db.instance_get(self.context, instance_id)
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self.compute.terminate_instance(self.context, instance)
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compute_utils.notify_usage_exists(self.context, instance)
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msg = test_notifier.NOTIFICATIONS[-1]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.exists')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
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self.assertEquals(payload['instance_id'], instance['uuid'])
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self.assertEquals(payload['instance_type'], 'm1.tiny')
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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self.assertEquals(str(payload['instance_type_id']), str(type_id))
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for attr in ('display_name', 'created_at', 'launched_at',
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'state', 'state_description',
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'bandwidth', 'audit_period_beginning',
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'audit_period_ending', 'image_meta'):
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self.assertTrue(attr in payload,
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msg="Key %s not in payload" % attr)
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self.assertEquals(payload['image_meta'], {})
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image_ref_url = "%s/images/1" % glance.generate_glance_url()
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self.assertEquals(payload['image_ref_url'], image_ref_url)
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def test_notify_about_instance_usage(self):
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instance_id = self._create_instance()
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instance = db.instance_get(self.context, instance_id)
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# Set some system metadata
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sys_metadata = {'image_md_key1': 'val1',
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'image_md_key2': 'val2',
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'other_data': 'meow'}
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extra_usage_info = {'image_name': 'fake_name'}
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db.instance_system_metadata_update(self.context, instance['uuid'],
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sys_metadata, False)
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# NOTE(russellb) Make sure our instance has the latest system_metadata
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# in it.
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instance = db.instance_get(self.context, instance_id)
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compute_utils.notify_about_instance_usage(self.context, instance,
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'create.start', extra_usage_info=extra_usage_info)
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self.assertEquals(len(test_notifier.NOTIFICATIONS), 1)
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msg = test_notifier.NOTIFICATIONS[0]
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self.assertEquals(msg['priority'], 'INFO')
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self.assertEquals(msg['event_type'], 'compute.instance.create.start')
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payload = msg['payload']
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self.assertEquals(payload['tenant_id'], self.project_id)
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self.assertEquals(payload['user_id'], self.user_id)
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self.assertEquals(payload['instance_id'], instance['uuid'])
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self.assertEquals(payload['instance_type'], 'm1.tiny')
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type_id = instance_types.get_instance_type_by_name('m1.tiny')['id']
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self.assertEquals(str(payload['instance_type_id']), str(type_id))
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for attr in ('display_name', 'created_at', 'launched_at',
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'state', 'state_description', 'image_meta'):
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self.assertTrue(attr in payload,
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msg="Key %s not in payload" % attr)
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self.assertEquals(payload['image_meta'],
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{'md_key1': 'val1', 'md_key2': 'val2'})
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self.assertEquals(payload['image_name'], 'fake_name')
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image_ref_url = "%s/images/1" % glance.generate_glance_url()
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self.assertEquals(payload['image_ref_url'], image_ref_url)
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self.compute.terminate_instance(self.context, instance)
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