Add a hacking rule for string interpolation at logging
String interpolation should be delayed to be handled by the logging code, rather than being done at the point of the logging call. So add the following hacking rule for it. - [N354] String interpolation should be delayed at logging calls. See the oslo i18n guideline. * http://docs.openstack.org/developer/oslo.i18n/guidelines.html Change-Id: Ief6d3ee3539c0857098fffdb7acfeec3e0fed6eb Closes-Bug: #1596829
This commit is contained in:
Takashi NATSUME
parent
3d7ff766a7
commit
4eb89c206e
@ -64,6 +64,7 @@ Nova Specific Commandments
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- [N351] Do not use the oslo_policy.policy.Enforcer.enforce() method.
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- [N352] LOG.warn is deprecated. Enforce use of LOG.warning.
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- [N353] Validate that context objects is not passed in logging calls.
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- [N354] String interpolation should be delayed at logging calls.
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Creating Unit Tests
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-------------------
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@ -406,7 +406,7 @@ class InstanceMetadata(object):
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else:
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LOG.debug('Metadata for device with unknown bus %s '
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'has not been included in the '
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'output' % device.bus.__class__.__name__)
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'output', device.bus.__class__.__name__)
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continue
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if 'address' in device.bus:
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address = device.bus.address
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@ -424,7 +424,7 @@ class InstanceMetadata(object):
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else:
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LOG.debug('Metadata for device of unknown type %s has not '
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'been included in the '
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'output' % device.__class__.__name__)
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'output', device.__class__.__name__)
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continue
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device_metadata['bus'] = bus
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@ -1940,7 +1940,7 @@ class API(base.Base):
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self.volume_api.delete(context, bdm.volume_id)
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except Exception as exc:
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err_str = _LW("Ignoring volume cleanup failure due to %s")
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LOG.warning(err_str % exc, instance=instance)
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LOG.warning(err_str, exc, instance=instance)
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bdm.destroy()
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def _local_delete(self, context, instance, bdms, delete_type, cb):
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@ -5177,7 +5177,7 @@ class ComputeManager(manager.Manager):
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network_info,
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disk,
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migrate_data)
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LOG.debug('driver pre_live_migration data is %s' % migrate_data)
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LOG.debug('driver pre_live_migration data is %s', migrate_data)
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# NOTE(tr3buchet): setup networks on destination host
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self.network_api.setup_networks_on_host(context, instance,
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@ -6171,9 +6171,9 @@ class ComputeManager(manager.Manager):
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# block entire periodic task thread
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uuid = db_instance.uuid
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if uuid in self._syncs_in_progress:
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LOG.debug('Sync already in progress for %s' % uuid)
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LOG.debug('Sync already in progress for %s', uuid)
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else:
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LOG.debug('Triggering sync for uuid %s' % uuid)
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LOG.debug('Triggering sync for uuid %s', uuid)
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self._syncs_in_progress[uuid] = True
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self._sync_power_pool.spawn_n(_sync, db_instance)
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@ -105,6 +105,9 @@ doubled_words_re = re.compile(
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r"\b(then?|[iao]n|i[fst]|but|f?or|at|and|[dt]o)\s+\1\b")
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log_remove_context = re.compile(
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r"(.)*LOG\.(.*)\(.*(context=[_a-zA-Z0-9].*)+.*\)")
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log_string_interpolation = re.compile(r".*LOG\.(error|warning|info"
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r"|critical|exception|debug)"
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r"\([^,]*%[^,]*[,)]")
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class BaseASTChecker(ast.NodeVisitor):
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@ -794,6 +797,28 @@ def check_context_log(logical_line, physical_line, filename):
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"kwarg.")
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def check_delayed_string_interpolation(logical_line, physical_line, filename):
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"""Check whether string interpolation is delayed at logging calls
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Not correct: LOG.debug('Example: %s' % 'bad')
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Correct: LOG.debug('Example: %s', 'good')
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N354
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"""
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if "nova/tests" in filename:
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return
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if pep8.noqa(physical_line):
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return
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if log_string_interpolation.match(logical_line):
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yield(logical_line.index('%'),
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"N354: String interpolation should be delayed to be "
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"handled by the logging code, rather than being done "
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"at the point of the logging call. "
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"Use ',' instead of '%'.")
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def factory(register):
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register(import_no_db_in_virt)
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register(no_db_session_in_public_api)
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@ -834,3 +859,4 @@ def factory(register):
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register(no_log_warn)
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register(CheckForUncalledTestClosure)
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register(check_context_log)
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register(check_delayed_string_interpolation)
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@ -833,7 +833,7 @@ class NetworkManager(manager.Manager):
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if address:
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LOG.debug('Associating instance with specified fixed IP '
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'%(address)s in network %(network)s on subnet '
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'%(cidr)s.' %
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'%(cidr)s.',
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{'address': address, 'network': network['id'],
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'cidr': network['cidr']},
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instance=instance)
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@ -842,7 +842,7 @@ class NetworkManager(manager.Manager):
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vif_id=vif.id)
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else:
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LOG.debug('Associating instance with fixed IP from pool '
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'in network %(network)s on subnet %(cidr)s.' %
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'in network %(network)s on subnet %(cidr)s.',
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{'network': network['id'],
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'cidr': network['cidr']},
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instance=instance)
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@ -879,7 +879,7 @@ class NetworkManager(manager.Manager):
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self.instance_dns_manager.delete_entry,
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instance_id, self.instance_dns_domain))
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LOG.debug('Setting up network %(network)s on host %(host)s.' %
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LOG.debug('Setting up network %(network)s on host %(host)s.',
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{'network': network['id'], 'host': self.host},
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instance=instance)
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self._setup_network_on_host(context, network)
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@ -2352,9 +2352,9 @@ class API(base_api.NetworkAPI):
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if old_pci_devices and new_pci_devices:
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LOG.debug("Determining PCI devices mapping using migration"
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"context: old_pci_devices: %(old)s, "
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"new_pci_devices: %(new)s" %
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"new_pci_devices: %(new)s",
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{'old': [dev for dev in old_pci_devices],
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'new': [dev for dev in new_pci_devices]})
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'new': [dev for dev in new_pci_devices]})
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return {old.address: new
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for old in old_pci_devices
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for new in new_pci_devices
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@ -65,7 +65,7 @@ class BuildRequest(base.NovaObject):
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jsonutils.loads(db_instance))
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except TypeError:
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LOG.debug('Failed to load instance from BuildRequest with uuid '
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'%s because it is None' % (self.instance_uuid))
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'%s because it is None', self.instance_uuid)
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raise exception.BuildRequestNotFound(uuid=self.instance_uuid)
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except ovoo_exc.IncompatibleObjectVersion as exc:
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# This should only happen if proper service upgrade strategies are
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@ -170,7 +170,7 @@ class LibvirtLiveMigrateData(LiveMigrateData):
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self.bdms.append(bdmi)
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def to_legacy_dict(self, pre_migration_result=False):
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LOG.debug('Converting to legacy: %s' % self)
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LOG.debug('Converting to legacy: %s', self)
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legacy = super(LibvirtLiveMigrateData, self).to_legacy_dict()
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keys = (set(self.fields.keys()) -
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set(LiveMigrateData.fields.keys()) - {'bdms'})
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@ -193,11 +193,11 @@ class LibvirtLiveMigrateData(LiveMigrateData):
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legacy['pre_live_migration_result'] = live_result
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self._bdms_to_legacy(live_result)
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LOG.debug('Legacy result: %s' % legacy)
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LOG.debug('Legacy result: %s', legacy)
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return legacy
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def from_legacy_dict(self, legacy):
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LOG.debug('Converting legacy dict to obj: %s' % legacy)
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LOG.debug('Converting legacy dict to obj: %s', legacy)
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super(LibvirtLiveMigrateData, self).from_legacy_dict(legacy)
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keys = set(self.fields.keys()) - set(LiveMigrateData.fields.keys())
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for k in keys - {'bdms'}:
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@ -213,7 +213,7 @@ class LibvirtLiveMigrateData(LiveMigrateData):
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if 'serial_listen_addr' in pre_result:
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self.serial_listen_addr = pre_result['serial_listen_addr']
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self._bdms_from_legacy(pre_result)
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LOG.debug('Converted object: %s' % self)
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LOG.debug('Converted object: %s', self)
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def is_on_shared_storage(self):
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return self.is_shared_block_storage or self.is_shared_instance_path
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@ -337,8 +337,8 @@ class SchedulerReportClient(object):
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new_gen = updated_inventories_result['resource_provider_generation']
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self._resource_providers[compute_node.uuid].generation = new_gen
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LOG.debug('Updated inventory for %s at generation %i' % (
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compute_node.uuid, new_gen))
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LOG.debug('Updated inventory for %s at generation %i',
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compute_node.uuid, new_gen)
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return True
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@safe_connect
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@ -51,8 +51,8 @@ class AggregateImagePropertiesIsolation(filters.BaseHostFilter):
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prop = image_props.get(key)
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except AttributeError:
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LOG.warning(_LW("Host '%(host)s' has a metadata key '%(key)s' "
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"that is not present in the image metadata.") %
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{"host": host_state.host, "key": key})
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"that is not present in the image metadata."),
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{"host": host_state.host, "key": key})
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continue
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# NOTE(sbauza): Aggregate metadata is only strings, we need to
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@ -494,7 +494,7 @@ class HostManager(object):
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forced_hosts_str = ', '.join(hosts_to_force)
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msg = _LI("No hosts matched due to not matching "
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"'force_hosts' value of '%s'")
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LOG.info(msg % forced_hosts_str)
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LOG.info(msg, forced_hosts_str)
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def _match_forced_nodes(host_map, nodes_to_force):
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forced_nodes = []
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@ -510,7 +510,7 @@ class HostManager(object):
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forced_nodes_str = ', '.join(nodes_to_force)
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msg = _LI("No nodes matched due to not matching "
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"'force_nodes' value of '%s'")
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LOG.info(msg % forced_nodes_str)
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LOG.info(msg, forced_nodes_str)
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def _get_hosts_matching_request(hosts, requested_destination):
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(host, node) = (requested_destination.host,
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@ -519,14 +519,14 @@ class HostManager(object):
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if x.host == host and x.nodename == node]
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if requested_nodes:
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LOG.info(_LI('Host filter only checking host %(host)s and '
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'node %(node)s') % {'host': host, 'node': node})
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'node %(node)s'), {'host': host, 'node': node})
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else:
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# NOTE(sbauza): The API level should prevent the user from
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# providing a wrong destination but let's make sure a wrong
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# destination doesn't trample the scheduler still.
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LOG.info(_LI('No hosts matched due to not matching requested '
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'destination (%(host)s, %(node)s)'
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) % {'host': host, 'node': node})
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'destination (%(host)s, %(node)s)'),
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{'host': host, 'node': node})
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return iter(requested_nodes)
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ignore_hosts = spec_obj.ignore_hosts or []
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@ -63,7 +63,7 @@ class MemcachedDriver(base.Driver):
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key = "%(topic)s:%(host)s" % service_ref
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is_up = self.mc.get(str(key)) is not None
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if not is_up:
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LOG.debug('Seems service %s is down' % key)
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LOG.debug('Seems service %s is down', key)
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return is_up
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@ -788,3 +788,54 @@ class HackingTestCase(test.NoDBTestCase):
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instance=instance)
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"""
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self._assert_has_no_errors(code, checks.check_context_log)
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def test_check_delayed_string_interpolation(self):
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checker = checks.check_delayed_string_interpolation
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code = """
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msg_w = _LW('Test string (%s)')
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msg_i = _LI('Test string (%s)')
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value = 'test'
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LOG.error(_LE("Test string (%s)") % value)
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LOG.warning(msg_w % 'test%string')
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LOG.info(msg_i %
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"test%string%info")
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LOG.critical(
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_LC('Test string (%s)') % value,
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instance=instance)
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LOG.exception(_LE(" 'Test quotation %s' \"Test\"") % 'test')
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LOG.debug(' "Test quotation %s" \'Test\'' % "test")
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LOG.debug('Tesing %(test)s' %
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{'test': ','.join(
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['%s=%s' % (name, value)
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for name, value in test.items()])})
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"""
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expected_errors = [(5, 34, 'N354'), (6, 18, 'N354'), (7, 15, 'N354'),
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(10, 28, 'N354'), (12, 49, 'N354'),
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(13, 40, 'N354'), (14, 28, 'N354')]
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self._assert_has_errors(code, checker, expected_errors=expected_errors)
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self._assert_has_no_errors(code, checker,
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filename='nova/tests/unit/test_hacking.py')
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code = """
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msg_w = _LW('Test string (%s)')
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msg_i = _LI('Test string (%s)')
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value = 'test'
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LOG.error(_LE("Test string (%s)"), value)
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LOG.error(_LE("Test string (%s)") % value) # noqa
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LOG.warning(msg_w, 'test%string')
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LOG.info(msg_i,
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"test%string%info")
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LOG.critical(
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_LC('Test string (%s)'), value,
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instance=instance)
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LOG.exception(_LE(" 'Test quotation %s' \"Test\""), 'test')
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LOG.debug(' "Test quotation %s" \'Test\'', "test")
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LOG.debug('Tesing %(test)s',
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{'test': ','.join(
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['%s=%s' % (name, value)
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for name, value in test.items()])})
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"""
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self._assert_has_no_errors(code, checker)
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@ -462,7 +462,7 @@ def teardown_container(container_dir, container_root_device=None):
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utils.execute('qemu-nbd', '-d', container_root_device,
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run_as_root=True)
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else:
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LOG.debug('No release necessary for block device %s' %
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LOG.debug('No release necessary for block device %s',
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container_root_device)
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except Exception:
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LOG.exception(_LE('Failed to teardown container filesystem'))
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@ -762,7 +762,7 @@ class Host(object):
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xml = secret_conf.to_xml()
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try:
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LOG.debug('Secret XML: %s' % xml)
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LOG.debug('Secret XML: %s', xml)
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conn = self.get_connection()
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secret = conn.secretDefineXML(xml)
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if password is not None:
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@ -267,9 +267,9 @@ class Image(object):
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if size < base_size:
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msg = _LE('%(base)s virtual size %(base_size)s '
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'larger than flavor root disk size %(size)s')
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LOG.error(msg % {'base': base,
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'base_size': base_size,
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'size': size})
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LOG.error(msg, {'base': base,
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'base_size': base_size,
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'size': size})
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raise exception.FlavorDiskSmallerThanImage(
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flavor_size=size, image_size=base_size)
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@ -871,7 +871,7 @@ class Rbd(Image):
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include_locations=True)
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locations = image_meta['locations']
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LOG.debug('Image locations are: %(locs)s' % {'locs': locations})
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LOG.debug('Image locations are: %(locs)s', {'locs': locations})
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if image_meta.get('disk_format') not in ['raw', 'iso']:
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reason = _('Image is not raw format')
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@ -220,7 +220,7 @@ class RBDDriver(object):
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try:
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return self.exists(image, pool=pool, snapshot=snapshot)
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except rbd.Error as e:
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LOG.debug('Unable to open image %(loc)s: %(err)s' %
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LOG.debug('Unable to open image %(loc)s: %(err)s',
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dict(loc=url, err=e))
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return False
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@ -343,18 +343,18 @@ class XenAPISession(object):
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task_ref = self.call_xenapi("task.create", name,
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desc)
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try:
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LOG.debug('Created task %s with ref %s' % (name, task_ref))
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LOG.debug('Created task %s with ref %s', name, task_ref)
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yield task_ref
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finally:
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self.call_xenapi("task.destroy", task_ref)
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LOG.debug('Destroyed task ref %s' % (task_ref))
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LOG.debug('Destroyed task ref %s', task_ref)
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@contextlib.contextmanager
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def http_connection(session):
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conn = None
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xs_url = urllib.parse.urlparse(session.url)
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LOG.debug("Creating http(s) connection to %s" % session.url)
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LOG.debug("Creating http(s) connection to %s", session.url)
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if xs_url.scheme == 'http':
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conn = http_client.HTTPConnection(xs_url.netloc)
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elif xs_url.scheme == 'https':
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@ -56,9 +56,9 @@ def invalid_option(option_name, recommended_value):
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LOG.exception(_LE('Current value of '
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'CONF.xenserver.%(option)s option incompatible with '
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'CONF.xenserver.independent_compute=True. '
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'Consider using "%(recommended)s"') % {
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'option': option_name,
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'recommended': recommended_value})
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'Consider using "%(recommended)s"'),
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{'option': option_name,
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'recommended': recommended_value})
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raise exception.NotSupportedWithOption(
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operation=option_name,
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option='CONF.xenserver.independent_compute')
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@ -932,7 +932,7 @@ def try_auto_configure_disk(session, vdi_ref, new_gb):
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_auto_configure_disk(session, vdi_ref, new_gb)
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except exception.CannotResizeDisk as e:
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msg = _LW('Attempted auto_configure_disk failed because: %s')
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LOG.warning(msg % e)
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LOG.warning(msg, e)
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||||
|
||||
def _make_partition(session, dev, partition_start, partition_end):
|
||||
|
||||
@ -363,8 +363,8 @@ def _stream_to_vdi(conn, vdi_import_path, file_size, file_obj):
|
||||
'Content-Length': '%s' % file_size}
|
||||
|
||||
CHUNK_SIZE = 16 * 1024
|
||||
LOG.debug('Initialising PUT request to %s (Headers: %s)' % (
|
||||
vdi_import_path, headers))
|
||||
LOG.debug('Initialising PUT request to %s (Headers: %s)',
|
||||
vdi_import_path, headers)
|
||||
conn.request('PUT', vdi_import_path, headers=headers)
|
||||
remain_size = file_size
|
||||
while remain_size >= CHUNK_SIZE:
|
||||
|
||||
@ -224,5 +224,5 @@ class VolumeOps(object):
|
||||
# Forget (i.e. disconnect) SR only if not in use
|
||||
volume_utils.purge_sr(self._session, sr_ref)
|
||||
except Exception:
|
||||
LOG.debug('Ignoring error while purging sr: %s' % sr_ref,
|
||||
exc_info=True)
|
||||
LOG.debug('Ignoring error while purging sr: %s', sr_ref,
|
||||
exc_info=True)
|
||||
|
||||
@ -45,24 +45,24 @@ def delete_if_exists(path):
|
||||
os.unlink(path)
|
||||
except OSError, e: # noqa
|
||||
if e.errno == errno.ENOENT:
|
||||
LOG.warning("'%s' was already deleted, skipping delete" % path)
|
||||
LOG.warning("'%s' was already deleted, skipping delete", path)
|
||||
else:
|
||||
raise
|
||||
|
||||
|
||||
def _link(src, dst):
|
||||
LOG.info("Hard-linking file '%s' -> '%s'" % (src, dst))
|
||||
LOG.info("Hard-linking file '%s' -> '%s'", src, dst)
|
||||
os.link(src, dst)
|
||||
|
||||
|
||||
def _rename(src, dst):
|
||||
LOG.info("Renaming file '%s' -> '%s'" % (src, dst))
|
||||
LOG.info("Renaming file '%s' -> '%s'", src, dst)
|
||||
try:
|
||||
os.rename(src, dst)
|
||||
except OSError, e: # noqa
|
||||
if e.errno == errno.EXDEV:
|
||||
LOG.error("Invalid cross-device link. Perhaps %s and %s should "
|
||||
"be symlinked on the same filesystem?" % (src, dst))
|
||||
"be symlinked on the same filesystem?", src, dst)
|
||||
raise
|
||||
|
||||
|
||||
@ -70,7 +70,7 @@ def make_subprocess(cmdline, stdout=False, stderr=False, stdin=False,
|
||||
universal_newlines=False, close_fds=True, env=None):
|
||||
"""Make a subprocess according to the given command-line string
|
||||
"""
|
||||
LOG.info("Running cmd '%s'" % " ".join(cmdline))
|
||||
LOG.info("Running cmd '%s'", " ".join(cmdline))
|
||||
kwargs = {}
|
||||
kwargs['stdout'] = stdout and subprocess.PIPE or None
|
||||
kwargs['stderr'] = stderr and subprocess.PIPE or None
|
||||
@ -109,7 +109,7 @@ def finish_subprocess(proc, cmdline, cmd_input=None, ok_exit_codes=None):
|
||||
ret = proc.returncode
|
||||
if ret not in ok_exit_codes:
|
||||
LOG.error("Command '%(cmdline)s' with process id '%(pid)s' expected "
|
||||
"return code in '%(ok)s' but got '%(rc)s': %(err)s" %
|
||||
"return code in '%(ok)s' but got '%(rc)s': %(err)s",
|
||||
{'cmdline': cmdline, 'pid': proc.pid, 'ok': ok_exit_codes,
|
||||
'rc': ret, 'err': err})
|
||||
raise SubprocessException(' '.join(cmdline), ret, out, err)
|
||||
@ -132,11 +132,11 @@ def run_command(cmd, cmd_input=None, ok_exit_codes=None):
|
||||
def try_kill_process(proc):
|
||||
"""Sends the given process the SIGKILL signal."""
|
||||
pid = proc.pid
|
||||
LOG.info("Killing process %s" % pid)
|
||||
LOG.info("Killing process %s", pid)
|
||||
try:
|
||||
os.kill(pid, signal.SIGKILL)
|
||||
except Exception:
|
||||
LOG.exception("Failed to kill %s" % pid)
|
||||
LOG.exception("Failed to kill %s", pid)
|
||||
|
||||
|
||||
def make_staging_area(sr_path):
|
||||
@ -279,14 +279,14 @@ def _validate_vhd(vdi_path):
|
||||
extra = (" ensure source and destination host machines have "
|
||||
"time set correctly")
|
||||
|
||||
LOG.info("VDI Error details: %s" % out)
|
||||
LOG.info("VDI Error details: %s", out)
|
||||
|
||||
raise Exception(
|
||||
"VDI '%(vdi_path)s' has an invalid %(part)s: '%(details)s'"
|
||||
"%(extra)s" % {'vdi_path': vdi_path, 'part': part,
|
||||
'details': details, 'extra': extra})
|
||||
|
||||
LOG.info("VDI is valid: %s" % vdi_path)
|
||||
LOG.info("VDI is valid: %s", vdi_path)
|
||||
|
||||
|
||||
def _validate_vdi_chain(vdi_path):
|
||||
@ -470,7 +470,7 @@ def extract_tarball(fileobj, path, callback=None):
|
||||
tar_pid = tar_proc.pid
|
||||
if returncode is not None:
|
||||
LOG.error("tar extract with process id '%(pid)s' "
|
||||
"exited early with '%(rc)s'" %
|
||||
"exited early with '%(rc)s'",
|
||||
{'pid': tar_pid, 'rc': returncode})
|
||||
raise SubprocessException(
|
||||
' '.join(tar_cmd), returncode, "", "")
|
||||
@ -479,7 +479,7 @@ def extract_tarball(fileobj, path, callback=None):
|
||||
# no need to kill already dead process
|
||||
raise
|
||||
except Exception:
|
||||
LOG.exception("Failed while sending data to tar pid: %s" % tar_pid)
|
||||
LOG.exception("Failed while sending data to tar pid: %s", tar_pid)
|
||||
try_kill_process(tar_proc)
|
||||
raise
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user