Exemple #1
0
    def test_get_vm_qp(self):
        def adapter_read(root_type, root_id=None, suffix_type=None,
                         suffix_parm=None):
            json_str = (u'{"IsVirtualServiceAttentionLEDOn":"false","Migration'
                        u'State":"Not_Migrating","CurrentProcessingUnits":0.1,'
                        u'"ProgressState":null,"PartitionType":"AIX/Linux","Pa'
                        u'rtitionID":1,"AllocatedVirtualProcessors":1,"Partiti'
                        u'onState":"not activated","RemoteRestartState":"Inval'
                        u'id","OperatingSystemVersion":"Unknown","AssociatedMa'
                        u'nagedSystem":"https://9.1.2.3:12443/rest/api/uom/Man'
                        u'agedSystem/98498bed-c78a-3a4f-b90a-4b715418fcb6","RM'
                        u'CState":"inactive","PowerManagementMode":null,"Parti'
                        u'tionName":"lpar-1-06674231-lpar","HasDedicatedProces'
                        u'sors":"false","ResourceMonitoringIPAddress":null,"Re'
                        u'ferenceCode":"00000000","CurrentProcessors":null,"Cu'
                        u'rrentMemory":512,"SharingMode":"uncapped"}')
            self.assertEqual('LogicalPartition', root_type)
            self.assertEqual('lpar_uuid', root_id)
            self.assertEqual('quick', suffix_type)
            resp = mock.MagicMock()
            if suffix_parm is None:
                resp.body = json_str
            elif suffix_parm == 'PartitionID':
                resp.body = '1'
            elif suffix_parm == 'CurrentProcessingUnits':
                resp.body = '0.1'
            elif suffix_parm == 'AssociatedManagedSystem':
                # The double quotes are important
                resp.body = ('"https://9.1.2.3:12443/rest/api/uom/ManagedSyste'
                             'm/98498bed-c78a-3a4f-b90a-4b715418fcb6"')
            else:
                self.fail('Unhandled quick property key %s' % suffix_parm)
            return resp

        ms_href = ('https://9.1.2.3:12443/rest/api/uom/ManagedSystem/98498bed-'
                   'c78a-3a4f-b90a-4b715418fcb6')
        self.apt.read.side_effect = adapter_read
        self.assertEqual(1, vm.get_vm_id(self.apt, 'lpar_uuid'))
        self.assertEqual(ms_href, vm.get_vm_qp(self.apt, 'lpar_uuid',
                                               'AssociatedManagedSystem'))
        self.assertEqual(0.1, vm.get_vm_qp(self.apt, 'lpar_uuid',
                                           'CurrentProcessingUnits'))
        qp_dict = vm.get_vm_qp(self.apt, 'lpar_uuid')
        self.assertEqual(ms_href, qp_dict['AssociatedManagedSystem'])
        self.assertEqual(1, qp_dict['PartitionID'])
        self.assertEqual(0.1, qp_dict['CurrentProcessingUnits'])

        resp = mock.MagicMock()
        resp.status = 404
        self.apt.read.side_effect = pvm_exc.Error('message', response=resp)
        self.assertRaises(exception.InstanceNotFound, vm.get_vm_qp, self.apt,
                          'lpar_uuid')

        resp.status = 500

        self.apt.read.side_effect = pvm_exc.Error('message', response=resp)
        self.assertRaises(pvm_exc.Error, vm.get_vm_qp, self.apt,
                          'lpar_uuid')
Exemple #2
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    def disconnect_image_disk(self, context, instance, lpar_uuid,
                              disk_type=None):
        """Disconnects the storage adapters from the image disk.

        :param context: nova context for operation
        :param instance: instance to disconnect the image for.
        :param lpar_uuid: The UUID for the pypowervm LPAR element.
        :param disk_type: The list of disk types to remove or None which means
            to remove all disks from the VM.
        :return: A list of all the backing storage elements that were
                 disconnected from the I/O Server and VM.
        """
        lpar_qps = vm.get_vm_qp(self.adapter, lpar_uuid)
        lpar_id = lpar_qps['PartitionID']
        host_uuid = pvm_u.get_req_path_uuid(
            lpar_qps['AssociatedManagedSystem'], preserve_case=True)
        lu_set = set()
        # The mappings will normally be the same on all VIOSes, unless a VIOS
        # was down when a disk was added.  So for the return value, we need to
        # collect the union of all relevant mappings from all VIOSes.
        for vios_uuid in self._vios_uuids(host_uuid=host_uuid):
            for lu in tsk_map.remove_lu_mapping(
                    self.adapter, vios_uuid, lpar_id, disk_prefixes=disk_type):
                lu_set.add(lu)
        return list(lu_set)
Exemple #3
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    def _emit_event(self, pvm_uuid, inst):
        # Get the current state
        try:
            pvm_state = vm.get_vm_qp(self._driver.adapter, pvm_uuid,
                                     'PartitionState')
        except exception.InstanceNotFound:
            LOG.debug("LPAR %s was deleted while event was delayed.",
                      pvm_uuid,
                      instance=inst)
            return

        LOG.debug('New state %s for partition %s',
                  pvm_state,
                  pvm_uuid,
                  instance=inst)

        inst = _get_instance(inst, pvm_uuid)
        if inst is None:
            LOG.debug("Not emitting LifecycleEvent: no instance for LPAR %s",
                      pvm_uuid)
            return

        # If we're in the middle of a nova-driven operation, no event necessary
        if inst.task_state in _NO_EVENT_TASK_STATES:
            LOG.debug("Not emitting LifecycleEvent: instance task_state is %s",
                      inst.task_state,
                      instance=inst)
            return

        # See if it's really a change of state from what OpenStack knows
        transition = vm.translate_event(pvm_state, inst.power_state)
        if transition is None:
            LOG.debug(
                "No LifecycleEvent necessary for pvm_state(%s) and "
                "power_state(%s).",
                pvm_state,
                power_state.STATE_MAP[inst.power_state],
                instance=inst)
            return

        # Log as if normal event
        lce = event.LifecycleEvent(inst.uuid, transition)
        LOG.info('Sending LifecycleEvent for instance state change to: %s',
                 pvm_state,
                 instance=inst)
        self._driver.emit_event(lce)

        # Delete out the queue
        del self._delayed_event_threads[pvm_uuid]
Exemple #4
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    def connect_disk(self, context, instance, disk_info, lpar_uuid):
        """Connects the disk image to the Virtual Machine.

        :param context: nova context for the transaction.
        :param instance: nova instance to connect the disk to.
        :param disk_info: The pypowervm storage element returned from
                          create_disk_from_image.  Ex. VOptMedia, VDisk, LU,
                          or PV.
        :param: lpar_uuid: The pypowervm UUID that corresponds to the VM.
        """
        # Create the LU structure
        lu = pvm_stg.LU.bld_ref(self.adapter, disk_info.name, disk_info.udid)

        # Add the mapping to *each* VIOS on the LPAR's host.
        # Note that the LPAR's host is likely to be the same as self.host_uuid,
        # but this is safer.
        host_href = vm.get_vm_qp(self.adapter, lpar_uuid,
                                 'AssociatedManagedSystem')
        host_uuid = pvm_u.get_req_path_uuid(host_href, preserve_case=True)
        for vios_uuid in self._vios_uuids(host_uuid=host_uuid):
            tsk_map.add_vscsi_mapping(host_uuid, vios_uuid, lpar_uuid, lu)
Exemple #5
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    def _handle_inst_event(self, inst, pvm_uuid, details):
        """Handle an instance event.

        This method will check if an instance event signals a change in the
        state of the instance as known to OpenStack and if so, trigger an
        event upward.

        :param inst: the instance object.
        :param pvm_uuid: the PowerVM uuid of the vm
        :param details: Parsed Details from the event
        """
        # If the state of the vm changed see if it should be handled
        if 'PartitionState' in details:
            # Get the current state
            pvm_state = vm.get_vm_qp(self._driver.adapter, pvm_uuid,
                                     'PartitionState')
            self._lifecycle_handler.process(inst, pvm_state)

        # If the NVRAM has changed for this instance and a store is configured.
        if 'NVRAM' in details and self._driver.nvram_mgr is not None:
            # Schedule the NVRAM for the instance to be stored.
            self._driver.nvram_mgr.store(inst)
Exemple #6
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    def test_get_vm_qp(self):
        def adapter_read(root_type,
                         root_id=None,
                         suffix_type=None,
                         suffix_parm=None,
                         helpers=None):
            json_str = (u'{"IsVirtualServiceAttentionLEDOn":"false","Migration'
                        u'State":"Not_Migrating","CurrentProcessingUnits":0.1,'
                        u'"ProgressState":null,"PartitionType":"AIX/Linux","Pa'
                        u'rtitionID":1,"AllocatedVirtualProcessors":1,"Partiti'
                        u'onState":"not activated","RemoteRestartState":"Inval'
                        u'id","OperatingSystemVersion":"Unknown","AssociatedMa'
                        u'nagedSystem":"https://9.1.2.3:12443/rest/api/uom/Man'
                        u'agedSystem/98498bed-c78a-3a4f-b90a-4b715418fcb6","RM'
                        u'CState":"inactive","PowerManagementMode":null,"Parti'
                        u'tionName":"lpar-1-06674231-lpar","HasDedicatedProces'
                        u'sors":"false","ResourceMonitoringIPAddress":null,"Re'
                        u'ferenceCode":"00000000","CurrentProcessors":null,"Cu'
                        u'rrentMemory":512,"SharingMode":"uncapped"}')
            self.assertEqual('LogicalPartition', root_type)
            self.assertEqual('lpar_uuid', root_id)
            self.assertEqual('quick', suffix_type)
            resp = mock.MagicMock()
            if suffix_parm is None:
                resp.body = json_str
            elif suffix_parm == 'PartitionID':
                resp.body = '1'
            elif suffix_parm == 'CurrentProcessingUnits':
                resp.body = '0.1'
            elif suffix_parm == 'AssociatedManagedSystem':
                # The double quotes are important
                resp.body = ('"https://9.1.2.3:12443/rest/api/uom/ManagedSyste'
                             'm/98498bed-c78a-3a4f-b90a-4b715418fcb6"')
            else:
                self.fail('Unhandled quick property key %s' % suffix_parm)
            return resp

        def adpt_read_no_log(*args, **kwds):
            helpers = kwds['helpers']
            try:
                helpers.index(pvm_log.log_helper)
            except ValueError:
                # Successful path since the logger shouldn't be there
                return adapter_read(*args, **kwds)

            self.fail('Log helper was found when it should not be')

        ms_href = ('https://9.1.2.3:12443/rest/api/uom/ManagedSystem/98498bed-'
                   'c78a-3a4f-b90a-4b715418fcb6')
        self.apt.read.side_effect = adapter_read
        self.assertEqual(1, vm.get_vm_id(self.apt, 'lpar_uuid'))
        self.assertEqual(
            ms_href,
            vm.get_vm_qp(self.apt, 'lpar_uuid', 'AssociatedManagedSystem'))
        self.apt.read.side_effect = adpt_read_no_log
        self.assertEqual(
            0.1,
            vm.get_vm_qp(self.apt,
                         'lpar_uuid',
                         'CurrentProcessingUnits',
                         log_errors=False))
        qp_dict = vm.get_vm_qp(self.apt, 'lpar_uuid', log_errors=False)
        self.assertEqual(ms_href, qp_dict['AssociatedManagedSystem'])
        self.assertEqual(1, qp_dict['PartitionID'])
        self.assertEqual(0.1, qp_dict['CurrentProcessingUnits'])

        resp = mock.MagicMock()
        resp.status = 404
        self.apt.read.side_effect = pvm_exc.HttpNotFound(resp)
        self.assertRaises(exception.InstanceNotFound,
                          vm.get_vm_qp,
                          self.apt,
                          'lpar_uuid',
                          log_errors=False)

        self.apt.read.side_effect = pvm_exc.Error("message", response=None)
        self.assertRaises(pvm_exc.Error,
                          vm.get_vm_qp,
                          self.apt,
                          'lpar_uuid',
                          log_errors=False)

        resp.status = 500
        self.apt.read.side_effect = pvm_exc.Error("message", response=resp)
        self.assertRaises(pvm_exc.Error,
                          vm.get_vm_qp,
                          self.apt,
                          'lpar_uuid',
                          log_errors=False)