class ServiceStatusPayload(notification.NotificationPayloadBase):
SCHEMA = {
'host': ('service', 'host'),
'binary': ('service', 'binary'),
'topic': ('service', 'topic'),
'report_count': ('service', 'report_count'),
'disabled': ('service', 'disabled'),
'disabled_reason': ('service', 'disabled_reason'),
'availability_zone': ('service', 'availability_zone'),
'last_seen_up': ('service', 'last_seen_up'),
'forced_down': ('service', 'forced_down'),
'version': ('service', 'version')
}
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'host': fields.StringField(nullable=True),
'binary': fields.StringField(nullable=True),
'topic': fields.StringField(nullable=True),
'report_count': fields.IntegerField(),
'disabled': fields.BooleanField(),
'disabled_reason': fields.StringField(nullable=True),
'availability_zone': fields.StringField(nullable=True),
'last_seen_up': fields.DateTimeField(nullable=True),
'forced_down': fields.BooleanField(),
'version': fields.IntegerField(),
}
def __init__(self, service):
super(ServiceStatusPayload, self).__init__()
self.populate_schema(service=service)
class LiveMigrateData(obj_base.NovaObject):
fields = {
'is_volume_backed': fields.BooleanField(),
'migration': fields.ObjectField('Migration'),
}
def to_legacy_dict(self, pre_migration_result=False):
legacy = {}
if self.obj_attr_is_set('is_volume_backed'):
legacy['is_volume_backed'] = self.is_volume_backed
if self.obj_attr_is_set('migration'):
legacy['migration'] = self.migration
if pre_migration_result:
legacy['pre_live_migration_result'] = {}
return legacy
def from_legacy_dict(self, legacy):
if 'is_volume_backed' in legacy:
self.is_volume_backed = legacy['is_volume_backed']
if 'migration' in legacy:
self.migration = legacy['migration']
@classmethod
def detect_implementation(cls, legacy_dict):
if 'instance_relative_path' in legacy_dict:
obj = LibvirtLiveMigrateData()
elif 'image_type' in legacy_dict:
obj = LibvirtLiveMigrateData()
elif 'migrate_data' in legacy_dict:
obj = XenapiLiveMigrateData()
else:
obj = LiveMigrateData()
obj.from_legacy_dict(legacy_dict)
return obj
class InstancePCIRequest(base.NovaObject, base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Add request_id
VERSION = '1.1'
fields = {
'count': fields.IntegerField(),
'spec': fields.ListOfDictOfNullableStringsField(),
'alias_name': fields.StringField(nullable=True),
# A stashed request related to a resize, not current
'is_new': fields.BooleanField(default=False),
'request_id': fields.UUIDField(nullable=True),
}
def obj_load_attr(self, attr):
setattr(self, attr, None)
# NOTE(danms): The dict that this object replaces uses a key of 'new'
# so we translate it here to our more appropropriately-named 'is_new'.
# This is not something that affects the obect version, so we could
# remove this later when all dependent code is fixed.
@property
def new(self):
return self.is_new
def obj_make_compatible(self, primitive, target_version):
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 1) and 'request_id' in primitive:
del primitive['request_id']
class NovaPersistentObject(object):
"""Mixin class for Persistent objects.
This adds the fields that we use in common for most persistent objects.
"""
fields = {
'created_at': obj_fields.DateTimeField(nullable=True),
'updated_at': obj_fields.DateTimeField(nullable=True),
'deleted_at': obj_fields.DateTimeField(nullable=True),
'deleted': obj_fields.BooleanField(default=False),
}
class XenapiLiveMigrateData(LiveMigrateData):
VERSION = '1.0'
fields = {
'block_migration': fields.BooleanField(nullable=True),
'destination_sr_ref': fields.StringField(nullable=True),
'migrate_send_data': fields.DictOfStringsField(nullable=True),
'sr_uuid_map': fields.DictOfStringsField(),
'kernel_file': fields.StringField(),
'ramdisk_file': fields.StringField(),
}
def to_legacy_dict(self, pre_migration_result=False):
legacy = super(XenapiLiveMigrateData, self).to_legacy_dict()
if self.obj_attr_is_set('block_migration'):
legacy['block_migration'] = self.block_migration
if self.obj_attr_is_set('migrate_send_data'):
legacy['migrate_data'] = {
'migrate_send_data': self.migrate_send_data,
'destination_sr_ref': self.destination_sr_ref,
}
live_result = {
'sr_uuid_map': ('sr_uuid_map' in self and self.sr_uuid_map
or {}),
}
if pre_migration_result:
legacy['pre_live_migration_result'] = live_result
return legacy
def from_legacy_dict(self, legacy):
super(XenapiLiveMigrateData, self).from_legacy_dict(legacy)
if 'block_migration' in legacy:
self.block_migration = legacy['block_migration']
else:
self.block_migration = False
if 'migrate_data' in legacy:
self.migrate_send_data = \
legacy['migrate_data']['migrate_send_data']
self.destination_sr_ref = \
legacy['migrate_data']['destination_sr_ref']
if 'pre_live_migration_result' in legacy:
self.sr_uuid_map = \
legacy['pre_live_migration_result']['sr_uuid_map']
class Service(base.NovaPersistentObject, base.NovaObject,
base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added compute_node nested object
# Version 1.2: String attributes updated to support unicode
# Version 1.3: ComputeNode version 1.5
# Version 1.4: Added use_slave to get_by_compute_host
# Version 1.5: ComputeNode version 1.6
# Version 1.6: ComputeNode version 1.7
# Version 1.7: ComputeNode version 1.8
# Version 1.8: ComputeNode version 1.9
# Version 1.9: ComputeNode version 1.10
# Version 1.10: Changes behaviour of loading compute_node
# Version 1.11: Added get_by_host_and_binary
# Version 1.12: ComputeNode version 1.11
# Version 1.13: Added last_seen_up
# Version 1.14: Added forced_down
# Version 1.15: ComputeNode version 1.12
# Version 1.16: Added version
# Version 1.17: ComputeNode version 1.13
# Version 1.18: ComputeNode version 1.14
# Version 1.19: Added get_minimum_version()
VERSION = '1.19'
fields = {
'id': fields.IntegerField(read_only=True),
'host': fields.StringField(nullable=True),
'binary': fields.StringField(nullable=True),
'topic': fields.StringField(nullable=True),
'report_count': fields.IntegerField(),
'disabled': fields.BooleanField(),
'disabled_reason': fields.StringField(nullable=True),
'availability_zone': fields.StringField(nullable=True),
'compute_node': fields.ObjectField('ComputeNode'),
'last_seen_up': fields.DateTimeField(nullable=True),
'forced_down': fields.BooleanField(),
'version': fields.IntegerField(),
'rpc_current_version': fields.StringField(nullable=True),
'object_current_version': fields.StringField(nullable=True),
}
_MIN_VERSION_CACHE = {}
_SERVICE_VERSION_CACHING = False
def __init__(self, *args, **kwargs):
# NOTE(danms): We're going against the rules here and overriding
# init. The reason is that we want to *ensure* that we're always
# setting the current service version on our objects, overriding
# whatever else might be set in the database, or otherwise (which
# is the normal reason not to override init).
#
# We also need to do this here so that it's set on the client side
# all the time, such that create() and save() operations will
# include the current service version.
if 'version' in kwargs:
raise exception.ObjectActionError(
action='init',
reason='Version field is immutable')
super(Service, self).__init__(*args, **kwargs)
self.version = SERVICE_VERSION
def obj_make_compatible_from_manifest(self, primitive, target_version,
version_manifest):
super(Service, self).obj_make_compatible_from_manifest(
primitive, target_version, version_manifest)
_target_version = versionutils.convert_version_to_tuple(target_version)
if _target_version < (1, 16) and 'version' in primitive:
del primitive['version']
if _target_version < (1, 14) and 'forced_down' in primitive:
del primitive['forced_down']
if _target_version < (1, 13) and 'last_seen_up' in primitive:
del primitive['last_seen_up']
if _target_version < (1, 10):
# service.compute_node was not lazy-loaded, we need to provide it
# when called
self._do_compute_node(self._context, primitive,
version_manifest)
def _do_compute_node(self, context, primitive, version_manifest):
try:
target_version = version_manifest['ComputeNode']
# NOTE(sbauza): Some drivers (VMware, Ironic) can have multiple
# nodes for the same service, but for keeping same behaviour,
# returning only the first elem of the list
compute = objects.ComputeNodeList.get_all_by_host(
context, primitive['host'])[0]
except Exception:
return
primitive['compute_node'] = compute.obj_to_primitive(
target_version=target_version,
version_manifest=version_manifest)
@staticmethod
def _from_db_object(context, service, db_service):
allow_missing = ('availability_zone',)
for key in service.fields:
if key in allow_missing and key not in db_service:
continue
if key == 'compute_node':
# NOTE(sbauza); We want to only lazy-load compute_node
continue
elif key == 'version':
# NOTE(danms): Special handling of the version field, since
# it is read_only and set in our init.
setattr(service, base.get_attrname(key), db_service[key])
else:
service[key] = db_service[key]
service._context = context
service.obj_reset_changes()
return service
def obj_load_attr(self, attrname):
if not self._context:
raise exception.OrphanedObjectError(method='obj_load_attr',
objtype=self.obj_name())
LOG.debug("Lazy-loading '%(attr)s' on %(name)s id %(id)s",
{'attr': attrname,
'name': self.obj_name(),
'id': self.id,
})
if attrname != 'compute_node':
raise exception.ObjectActionError(
action='obj_load_attr',
reason='attribute %s not lazy-loadable' % attrname)
if self.binary == 'nova-compute':
# Only n-cpu services have attached compute_node(s)
compute_nodes = objects.ComputeNodeList.get_all_by_host(
self._context, self.host)
else:
# NOTE(sbauza); Previous behaviour was raising a ServiceNotFound,
# we keep it for backwards compatibility
raise exception.ServiceNotFound(service_id=self.id)
# NOTE(sbauza): Some drivers (VMware, Ironic) can have multiple nodes
# for the same service, but for keeping same behaviour, returning only
# the first elem of the list
self.compute_node = compute_nodes[0]
@base.remotable_classmethod
def get_by_id(cls, context, service_id):
db_service = db.service_get(context, service_id)
return cls._from_db_object(context, cls(), db_service)
@base.remotable_classmethod
def get_by_host_and_topic(cls, context, host, topic):
db_service = db.service_get_by_host_and_topic(context, host, topic)
return cls._from_db_object(context, cls(), db_service)
@base.remotable_classmethod
def get_by_host_and_binary(cls, context, host, binary):
try:
db_service = db.service_get_by_host_and_binary(context,
host, binary)
except exception.HostBinaryNotFound:
return
return cls._from_db_object(context, cls(), db_service)
@staticmethod
@db.select_db_reader_mode
def _db_service_get_by_compute_host(context, host, use_slave=False):
return db.service_get_by_compute_host(context, host)
@base.remotable_classmethod
def get_by_compute_host(cls, context, host, use_slave=False):
db_service = cls._db_service_get_by_compute_host(context, host,
use_slave=use_slave)
return cls._from_db_object(context, cls(), db_service)
# NOTE(ndipanov): This is deprecated and should be removed on the next
# major version bump
@base.remotable_classmethod
def get_by_args(cls, context, host, binary):
db_service = db.service_get_by_host_and_binary(context, host, binary)
return cls._from_db_object(context, cls(), db_service)
def _check_minimum_version(self):
"""Enforce that we are not older that the minimum version.
This is a loose check to avoid creating or updating our service
record if we would do so with a version that is older that the current
minimum of all services. This could happen if we were started with
older code by accident, either due to a rollback or an old and
un-updated node suddenly coming back onto the network.
There is technically a race here between the check and the update,
but since the minimum version should always roll forward and never
backwards, we don't need to worry about doing it atomically. Further,
the consequence for getting this wrong is minor, in that we'll just
fail to send messages that other services understand.
"""
if not self.obj_attr_is_set('version'):
return
if not self.obj_attr_is_set('binary'):
return
minver = self.get_minimum_version(self._context, self.binary)
if minver > self.version:
raise exception.ServiceTooOld(thisver=self.version,
minver=minver)
@base.remotable
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
self._check_minimum_version()
updates = self.obj_get_changes()
db_service = db.service_create(self._context, updates)
self._from_db_object(self._context, self, db_service)
@base.remotable
def save(self):
updates = self.obj_get_changes()
updates.pop('id', None)
if list(updates.keys()) == ['version']:
# NOTE(danms): Since we set/dirty version in init, don't
# do a save if that's all that has changed. This keeps the
# "save is a no-op if nothing has changed" behavior.
return
self._check_minimum_version()
db_service = db.service_update(self._context, self.id, updates)
self._from_db_object(self._context, self, db_service)
self._send_status_update_notification(updates)
def _send_status_update_notification(self, updates):
# Note(gibi): We do not trigger notification on version as that field
# is always dirty, which would cause that compute sends notification on
# every other field change. See the comment in save() too.
if set(updates.keys()).intersection(
{'disabled', 'disabled_reason', 'forced_down'}):
payload = ServiceStatusPayload(self)
ServiceStatusNotification(
publisher=notification.NotificationPublisher.from_service_obj(
self),
event_type=notification.EventType(
object='service',
action=fields.NotificationAction.UPDATE),
priority=fields.NotificationPriority.INFO,
payload=payload).emit(self._context)
@base.remotable
def destroy(self):
db.service_destroy(self._context, self.id)
@classmethod
def enable_min_version_cache(cls):
cls.clear_min_version_cache()
cls._SERVICE_VERSION_CACHING = True
@classmethod
def clear_min_version_cache(cls):
cls._MIN_VERSION_CACHE = {}
@staticmethod
@db.select_db_reader_mode
def _db_service_get_minimum_version(context, binary, use_slave=False):
return db.service_get_minimum_version(context, binary)
@base.remotable_classmethod
def get_minimum_version(cls, context, binary, use_slave=False):
if not binary.startswith('nova-') and not binary.startswith('jacket-'):
LOG.warning(_LW('get_minimum_version called with likely-incorrect '
'binary `%s\''), binary)
raise exception.ObjectActionError(action='get_minimum_version',
reason='Invalid binary prefix')
if cls._SERVICE_VERSION_CACHING:
cached_version = cls._MIN_VERSION_CACHE.get(binary)
if cached_version:
return cached_version
version = cls._db_service_get_minimum_version(context, binary,
use_slave=use_slave)
if version is None:
return 0
# NOTE(danms): Since our return value is not controlled by object
# schema, be explicit here.
version = int(version)
cls._MIN_VERSION_CACHE[binary] = version
return version
@classmethod
def _get_minimum_version(cls, attribute, context, binary):
services = ServiceList.get_by_binary(context, binary)
min_ver = None
min_ver_str = None
for s in services:
ver_str = getattr(s, attribute)
if ver_str is None:
# FIXME(dulek) None in *_current_version means that this
# service is in Liberty version, so we must assume this is the
# lowest one. We use handy and easy to remember token to
# indicate that. This may go away as soon as we drop
# compatibility with Liberty, possibly in early N.
return 'liberty'
ver = versionutils.convert_version_to_int(ver_str)
if min_ver is None or ver < min_ver:
min_ver = ver
min_ver_str = ver_str
return min_ver_str
@base.remotable_classmethod
def get_minimum_rpc_version(cls, context, binary):
return cls._get_minimum_version('rpc_current_version', context, binary)
@base.remotable_classmethod
def get_minimum_obj_version(cls, context, binary):
return cls._get_minimum_version('object_current_version', context,
binary)
class FixedIP(obj_base.NovaPersistentObject, obj_base.NovaObject,
obj_base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added virtual_interface field
# Version 1.2: Instance version 1.14
# Version 1.3: Instance 1.15
# Version 1.4: Added default_route field
# Version 1.5: Added floating_ips field
# Version 1.6: Instance 1.16
# Version 1.7: Instance 1.17
# Version 1.8: Instance 1.18
# Version 1.9: Instance 1.19
# Version 1.10: Instance 1.20
# Version 1.11: Instance 1.21
# Version 1.12: Instance 1.22, FloatingIPList 1.9
# Version 1.13: Instance 1.23, FloatingIPList 1.10
# Version 1.14: Added vif_id kwarg to associate(_pool), FloatingIPList 1.11
VERSION = '1.14'
fields = {
'id': fields.IntegerField(),
'address': fields.IPV4AndV6AddressField(),
'network_id': fields.IntegerField(nullable=True),
'virtual_interface_id': fields.IntegerField(nullable=True),
'instance_uuid': fields.UUIDField(nullable=True),
'allocated': fields.BooleanField(),
'leased': fields.BooleanField(),
'reserved': fields.BooleanField(),
'host': fields.StringField(nullable=True),
'default_route': fields.BooleanField(),
'instance': fields.ObjectField('Instance', nullable=True),
'network': fields.ObjectField('Network', nullable=True),
'virtual_interface': fields.ObjectField('VirtualInterface',
nullable=True),
# NOTE(danms): This should not ever be made lazy-loadable
# because it would create a bit of a loop between FixedIP
# and FloatingIP
'floating_ips': fields.ObjectField('FloatingIPList'),
}
def obj_make_compatible(self, primitive, target_version):
super(FixedIP, self).obj_make_compatible(primitive, target_version)
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 4) and 'default_route' in primitive:
del primitive['default_route']
@staticmethod
def _from_db_object(context, fixedip, db_fixedip, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
for field in fixedip.fields:
if field == 'default_route':
# NOTE(danms): This field is only set when doing a
# FixedIPList.get_by_network() because it's a relatively
# special-case thing, so skip it here
continue
if field not in FIXED_IP_OPTIONAL_ATTRS:
fixedip[field] = db_fixedip[field]
# NOTE(danms): Instance could be deleted, and thus None
if 'instance' in expected_attrs:
fixedip.instance = objects.Instance._from_db_object(
context, objects.Instance(context),
db_fixedip['instance']) if db_fixedip['instance'] else None
if 'network' in expected_attrs:
fixedip.network = objects.Network._from_db_object(
context, objects.Network(context),
db_fixedip['network']) if db_fixedip['network'] else None
if 'virtual_interface' in expected_attrs:
db_vif = db_fixedip['virtual_interface']
vif = objects.VirtualInterface._from_db_object(
context, objects.VirtualInterface(context),
db_fixedip['virtual_interface']) if db_vif else None
fixedip.virtual_interface = vif
if 'floating_ips' in expected_attrs:
fixedip.floating_ips = obj_base.obj_make_list(
context, objects.FloatingIPList(context), objects.FloatingIP,
db_fixedip['floating_ips'])
fixedip._context = context
fixedip.obj_reset_changes()
return fixedip
@obj_base.remotable_classmethod
def get_by_id(cls, context, id, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
get_network = 'network' in expected_attrs
db_fixedip = db.fixed_ip_get(context, id, get_network=get_network)
return cls._from_db_object(context, cls(context), db_fixedip,
expected_attrs)
@obj_base.remotable_classmethod
def get_by_address(cls, context, address, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_fixedip = db.fixed_ip_get_by_address(context,
str(address),
columns_to_join=expected_attrs)
return cls._from_db_object(context, cls(context), db_fixedip,
expected_attrs)
@obj_base.remotable_classmethod
def get_by_floating_address(cls, context, address):
db_fixedip = db.fixed_ip_get_by_floating_address(context, str(address))
if db_fixedip is not None:
return cls._from_db_object(context, cls(context), db_fixedip)
@obj_base.remotable_classmethod
def get_by_network_and_host(cls, context, network_id, host):
db_fixedip = db.fixed_ip_get_by_network_host(context, network_id, host)
return cls._from_db_object(context, cls(context), db_fixedip)
@obj_base.remotable_classmethod
def associate(cls,
context,
address,
instance_uuid,
network_id=None,
reserved=False,
vif_id=None):
db_fixedip = db.fixed_ip_associate(context,
address,
instance_uuid,
network_id=network_id,
reserved=reserved,
virtual_interface_id=vif_id)
return cls._from_db_object(context, cls(context), db_fixedip)
@obj_base.remotable_classmethod
def associate_pool(cls,
context,
network_id,
instance_uuid=None,
host=None,
vif_id=None):
db_fixedip = db.fixed_ip_associate_pool(context,
network_id,
instance_uuid=instance_uuid,
host=host,
virtual_interface_id=vif_id)
return cls._from_db_object(context, cls(context), db_fixedip)
@obj_base.remotable_classmethod
def disassociate_by_address(cls, context, address):
db.fixed_ip_disassociate(context, address)
@obj_base.remotable_classmethod
def _disassociate_all_by_timeout(cls, context, host, time_str):
time = timeutils.parse_isotime(time_str)
return db.fixed_ip_disassociate_all_by_timeout(context, host, time)
@classmethod
def disassociate_all_by_timeout(cls, context, host, time):
return cls._disassociate_all_by_timeout(context, host,
utils.isotime(time))
@obj_base.remotable
def create(self):
updates = self.obj_get_changes()
if 'id' in updates:
raise exception.ObjectActionError(action='create',
reason='already created')
if 'address' in updates:
updates['address'] = str(updates['address'])
db_fixedip = db.fixed_ip_create(self._context, updates)
self._from_db_object(self._context, self, db_fixedip)
@obj_base.remotable
def save(self):
updates = self.obj_get_changes()
if 'address' in updates:
raise exception.ObjectActionError(action='save',
reason='address is not mutable')
db.fixed_ip_update(self._context, str(self.address), updates)
self.obj_reset_changes()
@obj_base.remotable
def disassociate(self):
db.fixed_ip_disassociate(self._context, str(self.address))
self.instance_uuid = None
self.instance = None
self.obj_reset_changes(['instance_uuid', 'instance'])
class BlockDeviceMapping(base.NovaPersistentObject, base.NovaObject,
base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Add instance_uuid to get_by_volume_id method
# Version 1.2: Instance version 1.14
# Version 1.3: Instance version 1.15
# Version 1.4: Instance version 1.16
# Version 1.5: Instance version 1.17
# Version 1.6: Instance version 1.18
# Version 1.7: Add update_or_create method
# Version 1.8: Instance version 1.19
# Version 1.9: Instance version 1.20
# Version 1.10: Changed source_type field to BlockDeviceSourceTypeField.
# Version 1.11: Changed destination_type field to
# BlockDeviceDestinationTypeField.
# Version 1.12: Changed device_type field to BlockDeviceTypeField.
# Version 1.13: Instance version 1.21
# Version 1.14: Instance version 1.22
# Version 1.15: Instance version 1.23
# Version 1.16: Deprecate get_by_volume_id(), add
# get_by_volume() and get_by_volume_and_instance()
VERSION = '1.16'
fields = {
'id': fields.IntegerField(),
'instance_uuid': fields.UUIDField(),
'instance': fields.ObjectField('Instance', nullable=True),
'source_type': fields.BlockDeviceSourceTypeField(nullable=True),
'destination_type': fields.BlockDeviceDestinationTypeField(
nullable=True),
'guest_format': fields.StringField(nullable=True),
'device_type': fields.BlockDeviceTypeField(nullable=True),
'disk_bus': fields.StringField(nullable=True),
'boot_index': fields.IntegerField(nullable=True),
'device_name': fields.StringField(nullable=True),
'delete_on_termination': fields.BooleanField(default=False),
'snapshot_id': fields.StringField(nullable=True),
'volume_id': fields.StringField(nullable=True),
'volume_size': fields.IntegerField(nullable=True),
'image_id': fields.StringField(nullable=True),
'no_device': fields.BooleanField(default=False),
'connection_info': fields.SensitiveStringField(nullable=True),
}
@staticmethod
def _from_db_object(context, block_device_obj,
db_block_device, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
for key in block_device_obj.fields:
if key in BLOCK_DEVICE_OPTIONAL_ATTRS:
continue
block_device_obj[key] = db_block_device[key]
if 'instance' in expected_attrs:
my_inst = objects.Instance(context)
my_inst._from_db_object(context, my_inst,
db_block_device['instance'])
block_device_obj.instance = my_inst
block_device_obj._context = context
block_device_obj.obj_reset_changes()
return block_device_obj
def _create(self, context, update_or_create=False):
"""Create the block device record in the database.
In case the id field is set on the object, and if the instance is set
raise an ObjectActionError. Resets all the changes on the object.
Returns None
:param context: security context used for database calls
:param update_or_create: consider existing block devices for the
instance based on the device name and swap, and only update
the ones that match. Normally only used when creating the
instance for the first time.
"""
cell_type = cells_opts.get_cell_type()
if cell_type == 'api':
raise exception.ObjectActionError(
action='create',
reason='BlockDeviceMapping cannot be '
'created in the API cell.')
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
if 'instance' in updates:
raise exception.ObjectActionError(action='create',
reason='instance assigned')
cells_create = update_or_create or None
if update_or_create:
db_bdm = db.block_device_mapping_update_or_create(
context, updates, legacy=False)
else:
db_bdm = db.block_device_mapping_create(
context, updates, legacy=False)
self._from_db_object(context, self, db_bdm)
# NOTE(alaski): bdms are looked up by instance uuid and device_name
# so if we sync up with no device_name an entry will be created that
# will not be found on a later update_or_create call and a second bdm
# create will occur.
if cell_type == 'compute' and db_bdm.get('device_name') is not None:
cells_api = cells_rpcapi.CellsAPI()
cells_api.bdm_update_or_create_at_top(
context, self, create=cells_create)
@base.remotable
def create(self):
self._create(self._context)
@base.remotable
def update_or_create(self):
self._create(self._context, update_or_create=True)
@base.remotable
def destroy(self):
if not self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='destroy',
reason='already destroyed')
db.block_device_mapping_destroy(self._context, self.id)
delattr(self, base.get_attrname('id'))
cell_type = cells_opts.get_cell_type()
if cell_type == 'compute':
cells_api = cells_rpcapi.CellsAPI()
cells_api.bdm_destroy_at_top(self._context, self.instance_uuid,
device_name=self.device_name,
volume_id=self.volume_id)
@base.remotable
def save(self):
updates = self.obj_get_changes()
if 'instance' in updates:
raise exception.ObjectActionError(action='save',
reason='instance changed')
updates.pop('id', None)
updated = db.block_device_mapping_update(self._context, self.id,
updates, legacy=False)
if not updated:
raise exception.BDMNotFound(id=self.id)
self._from_db_object(self._context, self, updated)
cell_type = cells_opts.get_cell_type()
if cell_type == 'compute':
create = False
# NOTE(alaski): If the device name has just been set this bdm
# likely does not exist in the parent cell and we should create it.
# If this is a modification of the device name we should update
# rather than create which is why None is used here instead of True
if 'device_name' in updates:
create = None
cells_api = cells_rpcapi.CellsAPI()
cells_api.bdm_update_or_create_at_top(self._context, self,
create=create)
# NOTE(danms): This method is deprecated and will be removed in
# v2.0 of the object
@base.remotable_classmethod
def get_by_volume_id(cls, context, volume_id,
instance_uuid=None, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdms = db.block_device_mapping_get_all_by_volume_id(
context, volume_id, _expected_cols(expected_attrs))
if not db_bdms:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
if len(db_bdms) > 1:
LOG.warning(_LW('Legacy get_by_volume_id() call found multiple '
'BDMs for volume %(volume)s'),
{'volume': volume_id})
db_bdm = db_bdms[0]
# NOTE (ndipanov): Move this to the db layer into a
# get_by_instance_and_volume_id method
if instance_uuid and instance_uuid != db_bdm['instance_uuid']:
raise exception.InvalidVolume(
reason=_("Volume does not belong to the "
"requested instance."))
return cls._from_db_object(context, cls(), db_bdm,
expected_attrs=expected_attrs)
@base.remotable_classmethod
def get_by_volume_and_instance(cls, context, volume_id, instance_uuid,
expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdm = db.block_device_mapping_get_by_instance_and_volume_id(
context, volume_id, instance_uuid,
_expected_cols(expected_attrs))
if not db_bdm:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
return cls._from_db_object(context, cls(), db_bdm,
expected_attrs=expected_attrs)
@base.remotable_classmethod
def get_by_volume(cls, context, volume_id, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdms = db.block_device_mapping_get_all_by_volume_id(
context, volume_id, _expected_cols(expected_attrs))
if not db_bdms:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
if len(db_bdms) > 1:
raise exception.VolumeBDMIsMultiAttach(volume_id=volume_id)
return cls._from_db_object(context, cls(), db_bdms[0],
expected_attrs=expected_attrs)
@property
def is_root(self):
return self.boot_index == 0
@property
def is_volume(self):
return (self.destination_type ==
fields.BlockDeviceDestinationType.VOLUME)
@property
def is_image(self):
return self.source_type == fields.BlockDeviceSourceType.IMAGE
def get_image_mapping(self):
return block_device.BlockDeviceDict(self).get_image_mapping()
def obj_load_attr(self, attrname):
if attrname not in BLOCK_DEVICE_OPTIONAL_ATTRS:
raise exception.ObjectActionError(
action='obj_load_attr',
reason='attribute %s not lazy-loadable' % attrname)
if not self._context:
raise exception.OrphanedObjectError(method='obj_load_attr',
objtype=self.obj_name())
LOG.debug("Lazy-loading '%(attr)s' on %(name)s uuid %(uuid)s",
{'attr': attrname,
'name': self.obj_name(),
'uuid': self.uuid,
})
self.instance = objects.Instance.get_by_uuid(self._context,
self.instance_uuid)
self.obj_reset_changes(fields=['instance'])
class Migration(base.NovaPersistentObject, base.NovaObject,
base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: String attributes updated to support unicode
# Version 1.2: Added migration_type and hidden
# Version 1.3: Added get_by_id_and_instance()
# Version 1.4: Added migration progress detail
VERSION = '1.4'
fields = {
'id':
fields.IntegerField(),
'source_compute':
fields.StringField(nullable=True),
'dest_compute':
fields.StringField(nullable=True),
'source_node':
fields.StringField(nullable=True),
'dest_node':
fields.StringField(nullable=True),
'dest_host':
fields.StringField(nullable=True),
'old_instance_type_id':
fields.IntegerField(nullable=True),
'new_instance_type_id':
fields.IntegerField(nullable=True),
'instance_uuid':
fields.StringField(nullable=True),
'status':
fields.StringField(nullable=True),
'migration_type':
fields.EnumField(
['migration', 'resize', 'live-migration', 'evacuation'],
nullable=False),
'hidden':
fields.BooleanField(nullable=False, default=False),
'memory_total':
fields.IntegerField(nullable=True),
'memory_processed':
fields.IntegerField(nullable=True),
'memory_remaining':
fields.IntegerField(nullable=True),
'disk_total':
fields.IntegerField(nullable=True),
'disk_processed':
fields.IntegerField(nullable=True),
'disk_remaining':
fields.IntegerField(nullable=True),
}
@staticmethod
def _from_db_object(context, migration, db_migration):
for key in migration.fields:
value = db_migration[key]
if key == 'migration_type' and value is None:
value = determine_migration_type(db_migration)
migration[key] = value
migration._context = context
migration.obj_reset_changes()
return migration
def obj_make_compatible(self, primitive, target_version):
super(Migration, self).obj_make_compatible(primitive, target_version)
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 2):
if 'migration_type' in primitive:
del primitive['migration_type']
del primitive['hidden']
if target_version < (1, 4):
if 'memory_total' in primitive:
del primitive['memory_total']
del primitive['memory_processed']
del primitive['memory_remaining']
del primitive['disk_total']
del primitive['disk_processed']
del primitive['disk_remaining']
def obj_load_attr(self, attrname):
if attrname == 'migration_type':
# NOTE(danms): The only reason we'd need to load this is if
# some older node sent us one. So, guess the type.
self.migration_type = determine_migration_type(self)
elif attrname == 'hidden':
self.hidden = False
else:
super(Migration, self).obj_load_attr(attrname)
@base.remotable_classmethod
def get_by_id(cls, context, migration_id):
db_migration = db.migration_get(context, migration_id)
return cls._from_db_object(context, cls(), db_migration)
@base.remotable_classmethod
def get_by_id_and_instance(cls, context, migration_id, instance_uuid):
db_migration = db.migration_get_by_id_and_instance(
context, migration_id, instance_uuid)
return cls._from_db_object(context, cls(), db_migration)
@base.remotable_classmethod
def get_by_instance_and_status(cls, context, instance_uuid, status):
db_migration = db.migration_get_by_instance_and_status(
context, instance_uuid, status)
return cls._from_db_object(context, cls(), db_migration)
@base.remotable
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
if 'migration_type' not in updates:
raise exception.ObjectActionError(
action="create",
reason="cannot create a Migration object without a "
"migration_type set")
db_migration = db.migration_create(self._context, updates)
self._from_db_object(self._context, self, db_migration)
@base.remotable
def save(self):
updates = self.obj_get_changes()
updates.pop('id', None)
db_migration = db.migration_update(self._context, self.id, updates)
self._from_db_object(self._context, self, db_migration)
self.obj_reset_changes()
@property
def instance(self):
if not hasattr(self, '_cached_instance'):
self._cached_instance = objects.Instance.get_by_uuid(
self._context, self.instance_uuid)
return self._cached_instance
@instance.setter
def instance(self, instance):
self._cached_instance = instance
class FloatingIP(obj_base.NovaPersistentObject, obj_base.NovaObject,
obj_base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added _get_addresses_by_instance_uuid()
# Version 1.2: FixedIP <= version 1.2
# Version 1.3: FixedIP <= version 1.3
# Version 1.4: FixedIP <= version 1.4
# Version 1.5: FixedIP <= version 1.5
# Version 1.6: FixedIP <= version 1.6
# Version 1.7: FixedIP <= version 1.11
# Version 1.8: FixedIP <= version 1.12
# Version 1.9: FixedIP <= version 1.13
# Version 1.10: FixedIP <= version 1.14
VERSION = '1.10'
fields = {
'id': fields.IntegerField(),
'address': fields.IPAddressField(),
'fixed_ip_id': fields.IntegerField(nullable=True),
'project_id': fields.UUIDField(nullable=True),
'host': fields.StringField(nullable=True),
'auto_assigned': fields.BooleanField(),
'pool': fields.StringField(nullable=True),
'interface': fields.StringField(nullable=True),
'fixed_ip': fields.ObjectField('FixedIP', nullable=True),
}
@staticmethod
def _from_db_object(context, floatingip, db_floatingip,
expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
for field in floatingip.fields:
if field not in FLOATING_IP_OPTIONAL_ATTRS:
floatingip[field] = db_floatingip[field]
if ('fixed_ip' in expected_attrs and
db_floatingip['fixed_ip'] is not None):
floatingip.fixed_ip = objects.FixedIP._from_db_object(
context, objects.FixedIP(context), db_floatingip['fixed_ip'])
floatingip._context = context
floatingip.obj_reset_changes()
return floatingip
def obj_load_attr(self, attrname):
if attrname not in FLOATING_IP_OPTIONAL_ATTRS:
raise exception.ObjectActionError(
action='obj_load_attr',
reason='attribute %s is not lazy-loadable' % attrname)
if not self._context:
raise exception.OrphanedObjectError(method='obj_load_attr',
objtype=self.obj_name())
if self.fixed_ip_id is not None:
self.fixed_ip = objects.FixedIP.get_by_id(
self._context, self.fixed_ip_id, expected_attrs=['network'])
else:
self.fixed_ip = None
@obj_base.remotable_classmethod
def get_by_id(cls, context, id):
db_floatingip = db.floating_ip_get(context, id)
# XXX joins fixed.instance
return cls._from_db_object(context, cls(context), db_floatingip,
expected_attrs=['fixed_ip'])
@obj_base.remotable_classmethod
def get_by_address(cls, context, address):
db_floatingip = db.floating_ip_get_by_address(context, str(address))
return cls._from_db_object(context, cls(context), db_floatingip)
@obj_base.remotable_classmethod
def get_pool_names(cls, context):
return [x['name'] for x in db.floating_ip_get_pools(context)]
@obj_base.remotable_classmethod
def allocate_address(cls, context, project_id, pool, auto_assigned=False):
return db.floating_ip_allocate_address(context, project_id, pool,
auto_assigned=auto_assigned)
@obj_base.remotable_classmethod
def associate(cls, context, floating_address, fixed_address, host):
db_fixed = db.floating_ip_fixed_ip_associate(context,
str(floating_address),
str(fixed_address),
host)
if db_fixed is None:
return None
floating = FloatingIP(
context=context, address=floating_address, host=host,
fixed_ip_id=db_fixed['id'],
fixed_ip=objects.FixedIP._from_db_object(
context, objects.FixedIP(context), db_fixed,
expected_attrs=['network']))
return floating
@obj_base.remotable_classmethod
def deallocate(cls, context, address):
return db.floating_ip_deallocate(context, str(address))
@obj_base.remotable_classmethod
def destroy(cls, context, address):
db.floating_ip_destroy(context, str(address))
@obj_base.remotable_classmethod
def disassociate(cls, context, address):
db_fixed = db.floating_ip_disassociate(context, str(address))
return cls(context=context, address=address,
fixed_ip_id=db_fixed['id'],
fixed_ip=objects.FixedIP._from_db_object(
context, objects.FixedIP(context), db_fixed,
expected_attrs=['network']))
@obj_base.remotable_classmethod
def _get_addresses_by_instance_uuid(cls, context, instance_uuid):
return db.instance_floating_address_get_all(context, instance_uuid)
@classmethod
def get_addresses_by_instance(cls, context, instance):
return cls._get_addresses_by_instance_uuid(context, instance['uuid'])
@obj_base.remotable
def save(self):
updates = self.obj_get_changes()
if 'address' in updates:
raise exception.ObjectActionError(action='save',
reason='address is not mutable')
if 'fixed_ip_id' in updates:
reason = 'fixed_ip_id is not mutable'
raise exception.ObjectActionError(action='save', reason=reason)
# NOTE(danms): Make sure we don't pass the calculated fixed_ip
# relationship to the DB update method
updates.pop('fixed_ip', None)
db_floatingip = db.floating_ip_update(self._context, str(self.address),
updates)
self._from_db_object(self._context, self, db_floatingip)
class Network(obj_base.NovaPersistentObject, obj_base.NovaObject,
obj_base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added in_use_on_host()
# Version 1.2: Added mtu, dhcp_server, enable_dhcp, share_address
VERSION = '1.2'
fields = {
'id': fields.IntegerField(),
'label': fields.StringField(),
'injected': fields.BooleanField(),
'cidr': fields.IPV4NetworkField(nullable=True),
'cidr_v6': fields.IPV6NetworkField(nullable=True),
'multi_host': fields.BooleanField(),
'netmask': fields.IPV4AddressField(nullable=True),
'gateway': fields.IPV4AddressField(nullable=True),
'broadcast': fields.IPV4AddressField(nullable=True),
'netmask_v6': fields.IPV6AddressField(nullable=True),
'gateway_v6': fields.IPV6AddressField(nullable=True),
'bridge': fields.StringField(nullable=True),
'bridge_interface': fields.StringField(nullable=True),
'dns1': fields.IPAddressField(nullable=True),
'dns2': fields.IPAddressField(nullable=True),
'vlan': fields.IntegerField(nullable=True),
'vpn_public_address': fields.IPAddressField(nullable=True),
'vpn_public_port': fields.IntegerField(nullable=True),
'vpn_private_address': fields.IPAddressField(nullable=True),
'dhcp_start': fields.IPV4AddressField(nullable=True),
'rxtx_base': fields.IntegerField(nullable=True),
'project_id': fields.UUIDField(nullable=True),
'priority': fields.IntegerField(nullable=True),
'host': fields.StringField(nullable=True),
'uuid': fields.UUIDField(),
'mtu': fields.IntegerField(nullable=True),
'dhcp_server': fields.IPAddressField(nullable=True),
'enable_dhcp': fields.BooleanField(),
'share_address': fields.BooleanField(),
}
@staticmethod
def _convert_legacy_ipv6_netmask(netmask):
"""Handle netmask_v6 possibilities from the database.
Historically, this was stored as just an integral CIDR prefix,
but in the future it should be stored as an actual netmask.
Be tolerant of either here.
"""
try:
prefix = int(netmask)
return netaddr.IPNetwork('1::/%i' % prefix).netmask
except ValueError:
pass
try:
return netaddr.IPNetwork(netmask).netmask
except netaddr.AddrFormatError:
raise ValueError(
_('IPv6 netmask "%s" must be a netmask '
'or integral prefix') % netmask)
def obj_make_compatible(self, primitive, target_version):
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 2):
if 'mtu' in primitive:
del primitive['mtu']
if 'enable_dhcp' in primitive:
del primitive['enable_dhcp']
if 'dhcp_server' in primitive:
del primitive['dhcp_server']
if 'share_address' in primitive:
del primitive['share_address']
@staticmethod
def _from_db_object(context, network, db_network):
for field in network.fields:
db_value = db_network[field]
if field is 'netmask_v6' and db_value is not None:
db_value = network._convert_legacy_ipv6_netmask(db_value)
if field is 'mtu' and db_value is None:
db_value = CONF.network_device_mtu
if field is 'dhcp_server' and db_value is None:
db_value = db_network['gateway']
if field is 'share_address' and CONF.share_dhcp_address:
db_value = CONF.share_dhcp_address
network[field] = db_value
network._context = context
network.obj_reset_changes()
return network
@obj_base.remotable_classmethod
def get_by_id(cls, context, network_id, project_only='allow_none'):
db_network = db.network_get(context,
network_id,
project_only=project_only)
return cls._from_db_object(context, cls(), db_network)
@obj_base.remotable_classmethod
def get_by_uuid(cls, context, network_uuid):
db_network = db.network_get_by_uuid(context, network_uuid)
return cls._from_db_object(context, cls(), db_network)
@obj_base.remotable_classmethod
def get_by_cidr(cls, context, cidr):
db_network = db.network_get_by_cidr(context, cidr)
return cls._from_db_object(context, cls(), db_network)
@obj_base.remotable_classmethod
def associate(cls, context, project_id, network_id=None, force=False):
db.network_associate(context,
project_id,
network_id=network_id,
force=force)
@obj_base.remotable_classmethod
def disassociate(cls, context, network_id, host=False, project=False):
db.network_disassociate(context, network_id, host, project)
@obj_base.remotable_classmethod
def in_use_on_host(cls, context, network_id, host):
return db.network_in_use_on_host(context, network_id, host)
def _get_primitive_changes(self):
changes = {}
for key, value in self.obj_get_changes().items():
if isinstance(value, netaddr.IPAddress):
changes[key] = str(value)
else:
changes[key] = value
return changes
@obj_base.remotable
def create(self):
updates = self._get_primitive_changes()
if 'id' in updates:
raise exception.ObjectActionError(action='create',
reason='already created')
db_network = db.network_create_safe(self._context, updates)
self._from_db_object(self._context, self, db_network)
@obj_base.remotable
def destroy(self):
db.network_delete_safe(self._context, self.id)
self.deleted = True
self.obj_reset_changes(['deleted'])
@obj_base.remotable
def save(self):
context = self._context
updates = self._get_primitive_changes()
if 'netmask_v6' in updates:
# NOTE(danms): For some reason, historical code stores the
# IPv6 netmask as just the CIDR mask length, so convert that
# back here before saving for now.
updates['netmask_v6'] = netaddr.IPNetwork(
updates['netmask_v6']).netmask
set_host = 'host' in updates
if set_host:
db.network_set_host(context, self.id, updates.pop('host'))
if updates:
db_network = db.network_update(context, self.id, updates)
elif set_host:
db_network = db.network_get(context, self.id)
else:
db_network = None
if db_network is not None:
self._from_db_object(context, self, db_network)
class LibvirtLiveMigrateData(LiveMigrateData):
# Version 1.0: Initial version
# Version 1.1: Added target_connect_addr
VERSION = '1.1'
fields = {
'filename': fields.StringField(),
# FIXME: image_type should be enum?
'image_type': fields.StringField(),
'block_migration': fields.BooleanField(),
'disk_over_commit': fields.BooleanField(),
'disk_available_mb': fields.IntegerField(nullable=True),
'is_shared_instance_path': fields.BooleanField(),
'is_shared_block_storage': fields.BooleanField(),
'instance_relative_path': fields.StringField(),
'graphics_listen_addr_vnc': fields.IPAddressField(nullable=True),
'graphics_listen_addr_spice': fields.IPAddressField(nullable=True),
'serial_listen_addr': fields.StringField(nullable=True),
'bdms': fields.ListOfObjectsField('LibvirtLiveMigrateBDMInfo'),
'target_connect_addr': fields.StringField(nullable=True),
}
def obj_make_compatible(self, primitive, target_version):
super(LibvirtLiveMigrateData, self).obj_make_compatible(
primitive, target_version)
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 1) and 'target_connect_addr' in primitive:
del primitive['target_connect_addr']
def _bdms_to_legacy(self, legacy):
if not self.obj_attr_is_set('bdms'):
return
legacy['volume'] = {}
for bdmi in self.bdms:
legacy['volume'][bdmi.serial] = {
'disk_info': bdmi.as_disk_info(),
'connection_info': bdmi.connection_info}
def _bdms_from_legacy(self, legacy_pre_result):
self.bdms = []
volume = legacy_pre_result.get('volume', {})
for serial in volume:
vol = volume[serial]
bdmi = objects.LibvirtLiveMigrateBDMInfo(serial=serial)
bdmi.connection_info = vol['connection_info']
bdmi.bus = vol['disk_info']['bus']
bdmi.dev = vol['disk_info']['dev']
bdmi.type = vol['disk_info']['type']
if 'format' in vol:
bdmi.format = vol['disk_info']['format']
if 'boot_index' in vol:
bdmi.boot_index = int(vol['disk_info']['boot_index'])
self.bdms.append(bdmi)
def to_legacy_dict(self, pre_migration_result=False):
LOG.debug('Converting to legacy: %s' % self)
legacy = super(LibvirtLiveMigrateData, self).to_legacy_dict()
keys = (set(self.fields.keys()) -
set(LiveMigrateData.fields.keys()) - {'bdms'})
legacy.update({k: getattr(self, k) for k in keys
if self.obj_attr_is_set(k)})
graphics_vnc = legacy.pop('graphics_listen_addr_vnc', None)
graphics_spice = legacy.pop('graphics_listen_addr_spice', None)
transport_target = legacy.pop('target_connect_addr', None)
live_result = {
'graphics_listen_addrs': {
'vnc': graphics_vnc and str(graphics_vnc),
'spice': graphics_spice and str(graphics_spice),
},
'serial_listen_addr': legacy.pop('serial_listen_addr', None),
'target_connect_addr': transport_target,
}
if pre_migration_result:
legacy['pre_live_migration_result'] = live_result
self._bdms_to_legacy(live_result)
LOG.debug('Legacy result: %s' % legacy)
return legacy
def from_legacy_dict(self, legacy):
LOG.debug('Converting legacy dict to obj: %s' % legacy)
super(LibvirtLiveMigrateData, self).from_legacy_dict(legacy)
keys = set(self.fields.keys()) - set(LiveMigrateData.fields.keys())
for k in keys - {'bdms'}:
if k in legacy:
setattr(self, k, legacy[k])
if 'pre_live_migration_result' in legacy:
pre_result = legacy['pre_live_migration_result']
self.graphics_listen_addr_vnc = \
pre_result['graphics_listen_addrs'].get('vnc')
self.graphics_listen_addr_spice = \
pre_result['graphics_listen_addrs'].get('spice')
self.target_connect_addr = pre_result.get('target_connect_addr')
if 'serial_listen_addr' in pre_result:
self.serial_listen_addr = pre_result['serial_listen_addr']
self._bdms_from_legacy(pre_result)
LOG.debug('Converted object: %s' % self)
def is_on_shared_storage(self):
return self.is_shared_block_storage or self.is_shared_instance_path
class Flavor(base.NovaPersistentObject, base.NovaObject,
base.NovaObjectDictCompat):
# Version 1.0: Initial version
# Version 1.1: Added save_projects(), save_extra_specs(), removed
# remoteable from save()
VERSION = '1.1'
fields = {
'id': fields.IntegerField(),
'name': fields.StringField(nullable=True),
'memory_mb': fields.IntegerField(),
'vcpus': fields.IntegerField(),
'root_gb': fields.IntegerField(),
'ephemeral_gb': fields.IntegerField(),
'flavorid': fields.StringField(),
'swap': fields.IntegerField(),
'rxtx_factor': fields.FloatField(nullable=True, default=1.0),
'vcpu_weight': fields.IntegerField(nullable=True),
'disabled': fields.BooleanField(),
'is_public': fields.BooleanField(),
'extra_specs': fields.DictOfStringsField(),
'projects': fields.ListOfStringsField(),
}
def __init__(self, *args, **kwargs):
super(Flavor, self).__init__(*args, **kwargs)
self._orig_extra_specs = {}
self._orig_projects = []
@staticmethod
def _from_db_object(context, flavor, db_flavor, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
flavor._context = context
for name, field in flavor.fields.items():
if name in OPTIONAL_FIELDS:
continue
value = db_flavor[name]
if isinstance(field, fields.IntegerField):
value = value if value is not None else 0
flavor[name] = value
if 'extra_specs' in expected_attrs:
flavor.extra_specs = db_flavor['extra_specs']
if 'projects' in expected_attrs:
flavor._load_projects()
flavor.obj_reset_changes()
return flavor
@base.remotable
def _load_projects(self):
self.projects = [
x['project_id'] for x in db.flavor_access_get_by_flavor_id(
self._context, self.flavorid)
]
self.obj_reset_changes(['projects'])
def obj_load_attr(self, attrname):
# NOTE(danms): Only projects could be lazy-loaded right now
if attrname != 'projects':
raise exception.ObjectActionError(action='obj_load_attr',
reason='unable to load %s' %
attrname)
self._load_projects()
def obj_reset_changes(self, fields=None, recursive=False):
super(Flavor, self).obj_reset_changes(fields=fields,
recursive=recursive)
if fields is None or 'extra_specs' in fields:
self._orig_extra_specs = (dict(self.extra_specs)
if self.obj_attr_is_set('extra_specs')
else {})
if fields is None or 'projects' in fields:
self._orig_projects = (list(self.projects)
if self.obj_attr_is_set('projects') else [])
def obj_what_changed(self):
changes = super(Flavor, self).obj_what_changed()
if ('extra_specs' in self
and self.extra_specs != self._orig_extra_specs):
changes.add('extra_specs')
if 'projects' in self and self.projects != self._orig_projects:
changes.add('projects')
return changes
@classmethod
def _obj_from_primitive(cls, context, objver, primitive):
self = super(Flavor, cls)._obj_from_primitive(context, objver,
primitive)
changes = self.obj_what_changed()
if 'extra_specs' not in changes:
# This call left extra_specs "clean" so update our tracker
self._orig_extra_specs = (dict(self.extra_specs)
if self.obj_attr_is_set('extra_specs')
else {})
if 'projects' not in changes:
# This call left projects "clean" so update our tracker
self._orig_projects = (list(self.projects)
if self.obj_attr_is_set('projects') else [])
return self
@base.remotable_classmethod
def get_by_id(cls, context, id):
db_flavor = db.flavor_get(context, id)
return cls._from_db_object(context,
cls(context),
db_flavor,
expected_attrs=['extra_specs'])
@base.remotable_classmethod
def get_by_name(cls, context, name):
db_flavor = db.flavor_get_by_name(context, name)
return cls._from_db_object(context,
cls(context),
db_flavor,
expected_attrs=['extra_specs'])
@base.remotable_classmethod
def get_by_flavor_id(cls, context, flavor_id, read_deleted=None):
db_flavor = db.flavor_get_by_flavor_id(context, flavor_id,
read_deleted)
return cls._from_db_object(context,
cls(context),
db_flavor,
expected_attrs=['extra_specs'])
@base.remotable
def add_access(self, project_id):
if 'projects' in self.obj_what_changed():
raise exception.ObjectActionError(action='add_access',
reason='projects modified')
db.flavor_access_add(self._context, self.flavorid, project_id)
self._load_projects()
@base.remotable
def remove_access(self, project_id):
if 'projects' in self.obj_what_changed():
raise exception.ObjectActionError(action='remove_access',
reason='projects modified')
db.flavor_access_remove(self._context, self.flavorid, project_id)
self._load_projects()
@base.remotable
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self.obj_get_changes()
expected_attrs = []
for attr in OPTIONAL_FIELDS:
if attr in updates:
expected_attrs.append(attr)
projects = updates.pop('projects', [])
db_flavor = db.flavor_create(self._context, updates, projects=projects)
self._from_db_object(self._context,
self,
db_flavor,
expected_attrs=expected_attrs)
@base.remotable
def save_projects(self, to_add=None, to_delete=None):
"""Add or delete projects.
:param:to_add: A list of projects to add
:param:to_delete: A list of projects to remove
"""
to_add = to_add if to_add is not None else []
to_delete = to_delete if to_delete is not None else []
for project_id in to_add:
db.flavor_access_add(self._context, self.flavorid, project_id)
for project_id in to_delete:
db.flavor_access_remove(self._context, self.flavorid, project_id)
self.obj_reset_changes(['projects'])
@base.remotable
def save_extra_specs(self, to_add=None, to_delete=None):
"""Add or delete extra_specs.
:param:to_add: A dict of new keys to add/update
:param:to_delete: A list of keys to remove
"""
to_add = to_add if to_add is not None else {}
to_delete = to_delete if to_delete is not None else []
if to_add:
db.flavor_extra_specs_update_or_create(self._context,
self.flavorid, to_add)
for key in to_delete:
db.flavor_extra_specs_delete(self._context, self.flavorid, key)
self.obj_reset_changes(['extra_specs'])
def save(self):
updates = self.obj_get_changes()
projects = updates.pop('projects', None)
extra_specs = updates.pop('extra_specs', None)
if updates:
raise exception.ObjectActionError(
action='save', reason='read-only fields were changed')
if extra_specs is not None:
deleted_keys = (set(self._orig_extra_specs.keys()) -
set(extra_specs.keys()))
added_keys = self.extra_specs
else:
added_keys = deleted_keys = None
if projects is not None:
deleted_projects = set(self._orig_projects) - set(projects)
added_projects = set(projects) - set(self._orig_projects)
else:
added_projects = deleted_projects = None
# NOTE(danms): The first remotable method we call will reset
# our of the original values for projects and extra_specs. Thus,
# we collect the added/deleted lists for both above and /then/
# call these methods to update them.
if added_keys or deleted_keys:
self.save_extra_specs(self.extra_specs, deleted_keys)
if added_projects or deleted_projects:
self.save_projects(added_projects, deleted_projects)
@base.remotable
def destroy(self):
db.flavor_destroy(self._context, self.name)
class BuildRequest(base.NovaObject):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'id': fields.IntegerField(),
'project_id': fields.StringField(),
'user_id': fields.StringField(),
'display_name': fields.StringField(nullable=True),
'instance_metadata': fields.DictOfStringsField(nullable=True),
'progress': fields.IntegerField(nullable=True),
'vm_state': fields.StringField(nullable=True),
'task_state': fields.StringField(nullable=True),
'image_ref': fields.StringField(nullable=True),
'access_ip_v4': fields.IPV4AddressField(nullable=True),
'access_ip_v6': fields.IPV6AddressField(nullable=True),
'info_cache': fields.ObjectField('InstanceInfoCache', nullable=True),
'security_groups': fields.ObjectField('SecurityGroupList'),
'config_drive': fields.BooleanField(default=False),
'key_name': fields.StringField(nullable=True),
'locked_by': fields.EnumField(['owner', 'admin'], nullable=True),
'request_spec': fields.ObjectField('RequestSpec'),
# NOTE(alaski): Normally these would come from the NovaPersistentObject
# mixin but they're being set explicitly because we only need
# created_at/updated_at. There is no soft delete for this object.
# These fields should be carried over to the instance when it is
# scheduled and created in a cell database.
'created_at': fields.DateTimeField(nullable=True),
'updated_at': fields.DateTimeField(nullable=True),
}
def _load_request_spec(self, db_spec):
self.request_spec = objects.RequestSpec._from_db_object(self._context,
objects.RequestSpec(), db_spec)
def _load_info_cache(self, db_info_cache):
self.info_cache = objects.InstanceInfoCache.obj_from_primitive(
jsonutils.loads(db_info_cache))
def _load_security_groups(self, db_sec_group):
self.security_groups = objects.SecurityGroupList.obj_from_primitive(
jsonutils.loads(db_sec_group))
@staticmethod
def _from_db_object(context, req, db_req):
for key in req.fields:
if isinstance(req.fields[key], fields.ObjectField):
try:
getattr(req, '_load_%s' % key)(db_req[key])
except AttributeError:
LOG.exception(_LE('No load handler for %s'), key)
elif key in JSON_FIELDS and db_req[key] is not None:
setattr(req, key, jsonutils.loads(db_req[key]))
else:
setattr(req, key, db_req[key])
req.obj_reset_changes()
req._context = context
return req
@staticmethod
@db.api_context_manager.reader
def _get_by_instance_uuid_from_db(context, instance_uuid):
db_req = (context.session.query(api_models.BuildRequest)
.join(api_models.RequestSpec)
.with_entities(api_models.BuildRequest,
api_models.RequestSpec)
.filter(
api_models.RequestSpec.instance_uuid == instance_uuid)
).first()
if not db_req:
raise exception.BuildRequestNotFound(uuid=instance_uuid)
# db_req is a tuple (api_models.BuildRequest, api_models.RequestSpect)
build_req = db_req[0]
build_req['request_spec'] = db_req[1]
return build_req
@base.remotable_classmethod
def get_by_instance_uuid(cls, context, instance_uuid):
db_req = cls._get_by_instance_uuid_from_db(context, instance_uuid)
return cls._from_db_object(context, cls(), db_req)
@staticmethod
@db.api_context_manager.writer
def _create_in_db(context, updates):
db_req = api_models.BuildRequest()
db_req.update(updates)
db_req.save(context.session)
# NOTE: This is done because a later access will trigger a lazy load
# outside of the db session so it will fail. We don't lazy load
# request_spec on the object later because we never need a BuildRequest
# without the RequestSpec.
db_req.request_spec
return db_req
def _get_update_primitives(self):
updates = self.obj_get_changes()
for key, value in six.iteritems(updates):
if key in OBJECT_FIELDS and value is not None:
updates[key] = jsonutils.dumps(value.obj_to_primitive())
elif key in JSON_FIELDS and value is not None:
updates[key] = jsonutils.dumps(value)
elif key in IP_FIELDS and value is not None:
# These are stored as a string in the db and must be converted
updates[key] = str(value)
req_spec_obj = updates.pop('request_spec', None)
if req_spec_obj:
updates['request_spec_id'] = req_spec_obj.id
return updates
@base.remotable
def create(self):
if self.obj_attr_is_set('id'):
raise exception.ObjectActionError(action='create',
reason='already created')
updates = self._get_update_primitives()
db_req = self._create_in_db(self._context, updates)
self._from_db_object(self._context, self, db_req)
@staticmethod
@db.api_context_manager.writer
def _destroy_in_db(context, id):
context.session.query(api_models.BuildRequest).filter_by(
id=id).delete()
@base.remotable
def destroy(self):
self._destroy_in_db(self._context, self.id)