Source code for ironic.objects.allocation

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#         http://www.apache.org/licenses/LICENSE-2.0
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from oslo_utils import strutils
from oslo_utils import uuidutils
from oslo_utils import versionutils
from oslo_versionedobjects import base as object_base

from ironic.common import exception
from ironic.common import utils
from ironic.db import api as dbapi
from ironic.objects import base
from ironic.objects import fields as object_fields
from ironic.objects import notification


[docs] @base.IronicObjectRegistry.register class Allocation(base.IronicObject, object_base.VersionedObjectDictCompat): # Version 1.0: Initial version # Version 1.1: Add owner field VERSION = '1.1' dbapi = dbapi.get_instance() fields = { 'id': object_fields.IntegerField(), 'uuid': object_fields.UUIDField(nullable=True), 'name': object_fields.StringField(nullable=True), 'node_id': object_fields.IntegerField(nullable=True), 'state': object_fields.StringField(nullable=True), 'last_error': object_fields.StringField(nullable=True), 'resource_class': object_fields.StringField(nullable=True), 'traits': object_fields.ListOfStringsField(nullable=True), 'candidate_nodes': object_fields.ListOfStringsField(nullable=True), 'extra': object_fields.FlexibleDictField(nullable=True), 'conductor_affinity': object_fields.IntegerField(nullable=True), 'owner': object_fields.StringField(nullable=True), } def _convert_to_version(self, target_version, remove_unavailable_fields=True): """Convert to the target version. Convert the object to the target version. The target version may be the same, older, or newer than the version of the object. This is used for DB interactions as well as for serialization/deserialization. Version 1.1: owner was added. For versions prior to this, it should be set to None or removed. :param target_version: the desired version of the object :param remove_unavailable_fields: True to remove fields that are unavailable in the target version; set this to True when (de)serializing. False to set the unavailable fields to appropriate values; set this to False for DB interactions. """ target_version = versionutils.convert_version_to_tuple(target_version) # Convert the owner field. owner_is_set = self.obj_attr_is_set('owner') if target_version >= (1, 1): if not owner_is_set: self.owner = None elif owner_is_set: # Target version does not support owner, and it is set. if remove_unavailable_fields: # (De)serialising: remove unavailable fields. delattr(self, 'owner') elif self.owner is not None: # DB: set unavailable fields to their default. self.owner = None # NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable_classmethod
[docs] @classmethod def get(cls, context, allocation_ident): """Find an allocation by its ID, UUID or name. :param allocation_ident: The ID, UUID or name of an allocation. :param context: Security context :returns: An :class:`Allocation` object. :raises: InvalidIdentity """ if strutils.is_int_like(allocation_ident): return cls.get_by_id(context, allocation_ident) elif uuidutils.is_uuid_like(allocation_ident): return cls.get_by_uuid(context, allocation_ident) elif utils.is_valid_logical_name(allocation_ident): return cls.get_by_name(context, allocation_ident) else: raise exception.InvalidIdentity(identity=allocation_ident)
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable_classmethod
[docs] @classmethod def get_by_id(cls, context, allocation_id): """Find an allocation by its integer ID. :param cls: the :class:`Allocation` :param context: Security context :param allocation_id: The ID of an allocation. :returns: An :class:`Allocation` object. :raises: AllocationNotFound """ db_allocation = cls.dbapi.get_allocation_by_id(allocation_id) allocation = cls._from_db_object(context, cls(), db_allocation) return allocation
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable_classmethod
[docs] @classmethod def get_by_uuid(cls, context, uuid): """Find an allocation by its UUID. :param cls: the :class:`Allocation` :param context: Security context :param uuid: The UUID of an allocation. :returns: An :class:`Allocation` object. :raises: AllocationNotFound """ db_allocation = cls.dbapi.get_allocation_by_uuid(uuid) allocation = cls._from_db_object(context, cls(), db_allocation) return allocation
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable_classmethod
[docs] @classmethod def get_by_name(cls, context, name): """Find an allocation based by its name. :param cls: the :class:`Allocation` :param context: Security context :param name: The name of an allocation. :returns: An :class:`Allocation` object. :raises: AllocationNotFound """ db_allocation = cls.dbapi.get_allocation_by_name(name) allocation = cls._from_db_object(context, cls(), db_allocation) return allocation
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable_classmethod
[docs] @classmethod def list(cls, context, filters=None, limit=None, marker=None, sort_key=None, sort_dir=None): """Return a list of Allocation objects. :param cls: the :class:`Allocation` :param context: Security context. :param filters: Filters to apply. :param limit: Maximum number of resources to return in a single result. :param marker: Pagination marker for large data sets. :param sort_key: Column to sort results by. :param sort_dir: Direction to sort. "asc" or "desc". :returns: A list of :class:`Allocation` object. :raises: InvalidParameterValue """ db_allocations = cls.dbapi.get_allocation_list(filters=filters, limit=limit, marker=marker, sort_key=sort_key, sort_dir=sort_dir) return cls._from_db_object_list(context, db_allocations)
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable
[docs] def create(self, context=None): """Create a Allocation record in the DB. :param context: Security context. NOTE: This should only be used internally by the indirection_api. Unfortunately, RPC requires context as the first argument, even though we don't use it. A context should be set when instantiating the object, e.g.: Allocation(context) :raises: AllocationDuplicateName, AllocationAlreadyExists """ values = self.do_version_changes_for_db() db_allocation = self.dbapi.create_allocation(values) self._from_db_object(self._context, self, db_allocation)
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable
[docs] def destroy(self, context=None): """Delete the Allocation from the DB. :param context: Security context. NOTE: This should only be used internally by the indirection_api. Unfortunately, RPC requires context as the first argument, even though we don't use it. A context should be set when instantiating the object, e.g.: Allocation(context) :raises: AllocationNotFound """ self.dbapi.destroy_allocation(self.uuid) self.obj_reset_changes()
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable
[docs] def save(self, context=None): """Save updates to this Allocation. Updates will be made column by column based on the result of self.what_changed(). :param context: Security context. NOTE: This should only be used internally by the indirection_api. Unfortunately, RPC requires context as the first argument, even though we don't use it. A context should be set when instantiating the object, e.g.: Allocation(context) :raises: AllocationNotFound, AllocationDuplicateName """ updates = self.do_version_changes_for_db() updated_allocation = self.dbapi.update_allocation(self.uuid, updates) self._from_db_object(self._context, self, updated_allocation)
# NOTE(xek): We don't want to enable RPC on this call just yet. Remotable # methods can be used in the future to replace current explicit RPC calls. # Implications of calling new remote procedures should be thought through. # @object_base.remotable
[docs] def refresh(self, context=None): """Loads updates for this Allocation. Loads an allocation with the same uuid from the database and checks for updated attributes. Updates are applied from the loaded allocation column by column, if there are any updates. :param context: Security context. NOTE: This should only be used internally by the indirection_api. Unfortunately, RPC requires context as the first argument, even though we don't use it. A context should be set when instantiating the object, e.g.: Allocation(context) :raises: AllocationNotFound """ current = self.get_by_uuid(self._context, uuid=self.uuid) self.obj_refresh(current) self.obj_reset_changes()
[docs] @base.IronicObjectRegistry.register class AllocationCRUDNotification(notification.NotificationBase): """Notification when ironic creates, updates or deletes an allocation.""" # Version 1.0: Initial version VERSION = '1.0' fields = { 'payload': object_fields.ObjectField('AllocationCRUDPayload') }
[docs] @base.IronicObjectRegistry.register class AllocationCRUDPayload(notification.NotificationPayloadBase): # Version 1.0: Initial version # Version 1.1: Add allocation owner field. VERSION = '1.1' SCHEMA = { 'candidate_nodes': ('allocation', 'candidate_nodes'), 'created_at': ('allocation', 'created_at'), 'extra': ('allocation', 'extra'), 'last_error': ('allocation', 'last_error'), 'name': ('allocation', 'name'), 'owner': ('allocation', 'owner'), 'resource_class': ('allocation', 'resource_class'), 'state': ('allocation', 'state'), 'traits': ('allocation', 'traits'), 'updated_at': ('allocation', 'updated_at'), 'uuid': ('allocation', 'uuid') } fields = { 'uuid': object_fields.UUIDField(nullable=True), 'name': object_fields.StringField(nullable=True), 'node_uuid': object_fields.StringField(nullable=True), 'state': object_fields.StringField(nullable=True), 'last_error': object_fields.StringField(nullable=True), 'owner': object_fields.StringField(nullable=True), 'resource_class': object_fields.StringField(nullable=True), 'traits': object_fields.ListOfStringsField(nullable=True), 'candidate_nodes': object_fields.ListOfStringsField(nullable=True), 'extra': object_fields.FlexibleDictField(nullable=True), 'created_at': object_fields.DateTimeField(nullable=True), 'updated_at': object_fields.DateTimeField(nullable=True), } def __init__(self, allocation, node_uuid=None): super(AllocationCRUDPayload, self).__init__(node_uuid=node_uuid) self.populate_schema(allocation=allocation)