# Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. from oslo_db.sqlalchemy import models from sqlalchemy import Boolean from sqlalchemy import Column from sqlalchemy import Enum from sqlalchemy.ext.declarative import declarative_base from sqlalchemy import Float from sqlalchemy import ForeignKey from sqlalchemy import Index from sqlalchemy import Integer from sqlalchemy import orm from sqlalchemy.orm import backref from sqlalchemy import schema from sqlalchemy import String from sqlalchemy import Text from sqlalchemy import Unicode class _NovaAPIBase(models.ModelBase, models.TimestampMixin): pass API_BASE = declarative_base(cls=_NovaAPIBase) class AggregateHost(API_BASE): """Represents a host that is member of an aggregate.""" __tablename__ = 'aggregate_hosts' __table_args__ = (schema.UniqueConstraint( "host", "aggregate_id", name="uniq_aggregate_hosts0host0aggregate_id" ), ) id = Column(Integer, primary_key=True, autoincrement=True) host = Column(String(255)) aggregate_id = Column(Integer, ForeignKey('aggregates.id'), nullable=False) class AggregateMetadata(API_BASE): """Represents a metadata key/value pair for an aggregate.""" __tablename__ = 'aggregate_metadata' __table_args__ = ( schema.UniqueConstraint("aggregate_id", "key", name="uniq_aggregate_metadata0aggregate_id0key" ), Index('aggregate_metadata_key_idx', 'key'), ) id = Column(Integer, primary_key=True) key = Column(String(255), nullable=False) value = Column(String(255), nullable=False) aggregate_id = Column(Integer, ForeignKey('aggregates.id'), nullable=False) class Aggregate(API_BASE): """Represents a cluster of hosts that exists in this zone.""" __tablename__ = 'aggregates' __table_args__ = (Index('aggregate_uuid_idx', 'uuid'), schema.UniqueConstraint( "name", name="uniq_aggregate0name") ) id = Column(Integer, primary_key=True, autoincrement=True) uuid = Column(String(36)) name = Column(String(255)) _hosts = orm.relationship(AggregateHost, primaryjoin='Aggregate.id == AggregateHost.aggregate_id') _metadata = orm.relationship(AggregateMetadata, primaryjoin='Aggregate.id == AggregateMetadata.aggregate_id') @property def _extra_keys(self): return ['hosts', 'metadetails', 'availability_zone'] @property def hosts(self): return [h.host for h in self._hosts] @property def metadetails(self): return {m.key: m.value for m in self._metadata} @property def availability_zone(self): if 'availability_zone' not in self.metadetails: return None return self.metadetails['availability_zone'] class CellMapping(API_BASE): """Contains information on communicating with a cell""" __tablename__ = 'cell_mappings' __table_args__ = (Index('uuid_idx', 'uuid'), schema.UniqueConstraint('uuid', name='uniq_cell_mappings0uuid')) id = Column(Integer, primary_key=True) uuid = Column(String(36), nullable=False) name = Column(String(255)) transport_url = Column(Text()) database_connection = Column(Text()) host_mapping = orm.relationship('HostMapping', backref=backref('cell_mapping', uselist=False), foreign_keys=id, primaryjoin=( 'CellMapping.id == HostMapping.cell_id')) class InstanceMapping(API_BASE): """Contains the mapping of an instance to which cell it is in""" __tablename__ = 'instance_mappings' __table_args__ = (Index('project_id_idx', 'project_id'), Index('instance_uuid_idx', 'instance_uuid'), schema.UniqueConstraint('instance_uuid', name='uniq_instance_mappings0instance_uuid')) id = Column(Integer, primary_key=True) instance_uuid = Column(String(36), nullable=False) cell_id = Column(Integer, ForeignKey('cell_mappings.id'), nullable=True) project_id = Column(String(255), nullable=False) cell_mapping = orm.relationship('CellMapping', backref=backref('instance_mapping', uselist=False), foreign_keys=cell_id, primaryjoin=('InstanceMapping.cell_id == CellMapping.id')) class HostMapping(API_BASE): """Contains mapping of a compute host to which cell it is in""" __tablename__ = "host_mappings" __table_args__ = (Index('host_idx', 'host'), schema.UniqueConstraint('host', name='uniq_host_mappings0host')) id = Column(Integer, primary_key=True) cell_id = Column(Integer, ForeignKey('cell_mappings.id'), nullable=False) host = Column(String(255), nullable=False) class RequestSpec(API_BASE): """Represents the information passed to the scheduler.""" __tablename__ = 'request_specs' __table_args__ = ( Index('request_spec_instance_uuid_idx', 'instance_uuid'), schema.UniqueConstraint('instance_uuid', name='uniq_request_specs0instance_uuid'), ) id = Column(Integer, primary_key=True) instance_uuid = Column(String(36), nullable=False) spec = Column(Text, nullable=False) class Flavors(API_BASE): """Represents possible flavors for instances""" __tablename__ = 'flavors' __table_args__ = ( schema.UniqueConstraint("flavorid", name="uniq_flavors0flavorid"), schema.UniqueConstraint("name", name="uniq_flavors0name")) id = Column(Integer, primary_key=True) name = Column(String(255), nullable=False) memory_mb = Column(Integer, nullable=False) vcpus = Column(Integer, nullable=False) root_gb = Column(Integer) ephemeral_gb = Column(Integer) flavorid = Column(String(255), nullable=False) swap = Column(Integer, nullable=False, default=0) rxtx_factor = Column(Float, default=1) vcpu_weight = Column(Integer) disabled = Column(Boolean, default=False) is_public = Column(Boolean, default=True) class FlavorExtraSpecs(API_BASE): """Represents additional specs as key/value pairs for a flavor""" __tablename__ = 'flavor_extra_specs' __table_args__ = ( Index('flavor_extra_specs_flavor_id_key_idx', 'flavor_id', 'key'), schema.UniqueConstraint('flavor_id', 'key', name='uniq_flavor_extra_specs0flavor_id0key'), {'mysql_collate': 'utf8_bin'}, ) id = Column(Integer, primary_key=True) key = Column(String(255), nullable=False) value = Column(String(255)) flavor_id = Column(Integer, ForeignKey('flavors.id'), nullable=False) flavor = orm.relationship(Flavors, backref='extra_specs', foreign_keys=flavor_id, primaryjoin=( 'FlavorExtraSpecs.flavor_id == Flavors.id')) class FlavorProjects(API_BASE): """Represents projects associated with flavors""" __tablename__ = 'flavor_projects' __table_args__ = (schema.UniqueConstraint('flavor_id', 'project_id', name='uniq_flavor_projects0flavor_id0project_id'),) id = Column(Integer, primary_key=True) flavor_id = Column(Integer, ForeignKey('flavors.id'), nullable=False) project_id = Column(String(255), nullable=False) flavor = orm.relationship(Flavors, backref='projects', foreign_keys=flavor_id, primaryjoin=( 'FlavorProjects.flavor_id == Flavors.id')) class BuildRequest(API_BASE): """Represents the information passed to the scheduler.""" __tablename__ = 'build_requests' __table_args__ = ( Index('build_requests_instance_uuid_idx', 'instance_uuid'), Index('build_requests_project_id_idx', 'project_id'), schema.UniqueConstraint('instance_uuid', name='uniq_build_requests0instance_uuid'), ) id = Column(Integer, primary_key=True) instance_uuid = Column(String(36)) project_id = Column(String(255), nullable=False) instance = Column(Text) # TODO(alaski): Drop these from the db in Ocata # columns_to_drop = ['request_spec_id', 'user_id', 'display_name', # 'instance_metadata', 'progress', 'vm_state', 'task_state', # 'image_ref', 'access_ip_v4', 'access_ip_v6', 'info_cache', # 'security_groups', 'config_drive', 'key_name', 'locked_by', # 'reservation_id', 'launch_index', 'hostname', 'kernel_id', # 'ramdisk_id', 'root_device_name', 'user_data'] class KeyPair(API_BASE): """Represents a public key pair for ssh / WinRM.""" __tablename__ = 'key_pairs' __table_args__ = ( schema.UniqueConstraint("user_id", "name", name="uniq_key_pairs0user_id0name"), ) id = Column(Integer, primary_key=True, nullable=False) name = Column(String(255), nullable=False) user_id = Column(String(255), nullable=False) fingerprint = Column(String(255)) public_key = Column(Text()) type = Column(Enum('ssh', 'x509', name='keypair_types'), nullable=False, server_default='ssh') class ResourceProvider(API_BASE): """Represents a mapping to a providers of resources.""" __tablename__ = "resource_providers" __table_args__ = ( Index('resource_providers_uuid_idx', 'uuid'), schema.UniqueConstraint('uuid', name='uniq_resource_providers0uuid'), Index('resource_providers_name_idx', 'name'), schema.UniqueConstraint('name', name='uniq_resource_providers0name') ) id = Column(Integer, primary_key=True, nullable=False) uuid = Column(String(36), nullable=False) name = Column(Unicode(200), nullable=True) generation = Column(Integer, default=0) can_host = Column(Integer, default=0) class Inventory(API_BASE): """Represents a quantity of available resource.""" __tablename__ = "inventories" __table_args__ = ( Index('inventories_resource_provider_id_idx', 'resource_provider_id'), Index('inventories_resource_class_id_idx', 'resource_class_id'), Index('inventories_resource_provider_resource_class_idx', 'resource_provider_id', 'resource_class_id'), schema.UniqueConstraint('resource_provider_id', 'resource_class_id', name='uniq_inventories0resource_provider_resource_class') ) id = Column(Integer, primary_key=True, nullable=False) resource_provider_id = Column(Integer, nullable=False) resource_class_id = Column(Integer, nullable=False) total = Column(Integer, nullable=False) reserved = Column(Integer, nullable=False) min_unit = Column(Integer, nullable=False) max_unit = Column(Integer, nullable=False) step_size = Column(Integer, nullable=False) allocation_ratio = Column(Float, nullable=False) resource_provider = orm.relationship( "ResourceProvider", primaryjoin=('Inventory.resource_provider_id == ' 'ResourceProvider.id'), foreign_keys=resource_provider_id) class Allocation(API_BASE): """A use of inventory.""" __tablename__ = "allocations" __table_args__ = ( Index('allocations_resource_provider_class_used_idx', 'resource_provider_id', 'resource_class_id', 'used'), Index('allocations_resource_class_id_idx', 'resource_class_id'), Index('allocations_consumer_id_idx', 'consumer_id') ) id = Column(Integer, primary_key=True, nullable=False) resource_provider_id = Column(Integer, nullable=False) consumer_id = Column(String(36), nullable=False) resource_class_id = Column(Integer, nullable=False) used = Column(Integer, nullable=False) class ResourceProviderAggregate(API_BASE): """Assocate a resource provider with an aggregate.""" __tablename__ = 'resource_provider_aggregates' __table_args__ = ( Index('resource_provider_aggregates_aggregate_id_idx', 'aggregate_id'), ) resource_provider_id = Column(Integer, primary_key=True, nullable=False) aggregate_id = Column(Integer, primary_key=True, nullable=False)