openstack
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nova
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nova/nova/db/sqlalchemy/models.py

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# Copyright (c) 2011 X.commerce, a business unit of eBay Inc.
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# Copyright 2011 Piston Cloud Computing, Inc.
# All Rights Reserved.
#
# 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.
"""
SQLAlchemy models for nova data.
"""
from sqlalchemy import Column, Index, Integer, BigInteger, Enum, String, schema
from sqlalchemy.dialects.mysql import MEDIUMTEXT
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import ForeignKey, DateTime, Boolean, Text, Float
from sqlalchemy.orm import relationship, backref, object_mapper
from oslo.config import cfg
from nova.db.sqlalchemy import types
from nova.openstack.common.db.sqlalchemy import models
from nova.openstack.common import timeutils
CONF = cfg.CONF
BASE = declarative_base()
def MediumText():
return Text().with_variant(MEDIUMTEXT(), 'mysql')
class NovaBase(models.SoftDeleteMixin,
models.TimestampMixin,
models.ModelBase):
metadata = None
class Service(BASE, NovaBase):
"""Represents a running service on a host."""
__tablename__ = 'services'
__table_args__ = (
schema.UniqueConstraint("host", "topic", "deleted",
name="uniq_services0host0topic0deleted"),
schema.UniqueConstraint("host", "binary", "deleted",
name="uniq_services0host0binary0deleted")
)
id = Column(Integer, primary_key=True)
host = Column(String(255)) # , ForeignKey('hosts.id'))
binary = Column(String(255))
topic = Column(String(255))
report_count = Column(Integer, nullable=False, default=0)
disabled = Column(Boolean, default=False)
disabled_reason = Column(String(255))
class ComputeNode(BASE, NovaBase):
"""Represents a running compute service on a host."""
__tablename__ = 'compute_nodes'
__table_args__ = ()
id = Column(Integer, primary_key=True)
service_id = Column(Integer, ForeignKey('services.id'), nullable=False)
service = relationship(Service,
backref=backref('compute_node'),
foreign_keys=service_id,
primaryjoin='and_('
'ComputeNode.service_id == Service.id,'
'ComputeNode.deleted == 0)')
vcpus = Column(Integer, nullable=False)
memory_mb = Column(Integer, nullable=False)
local_gb = Column(Integer, nullable=False)
vcpus_used = Column(Integer, nullable=False)
memory_mb_used = Column(Integer, nullable=False)
local_gb_used = Column(Integer, nullable=False)
hypervisor_type = Column(MediumText(), nullable=False)
hypervisor_version = Column(Integer, nullable=False)
hypervisor_hostname = Column(String(255))
# Free Ram, amount of activity (resize, migration, boot, etc) and
# the number of running VM's are a good starting point for what's
# important when making scheduling decisions.
free_ram_mb = Column(Integer)
free_disk_gb = Column(Integer)
current_workload = Column(Integer)
running_vms = Column(Integer)
# Note(masumotok): Expected Strings example:
#
# '{"arch":"x86_64",
# "model":"Nehalem",
# "topology":{"sockets":1, "threads":2, "cores":3},
# "features":["tdtscp", "xtpr"]}'
#
# Points are "json translatable" and it must have all dictionary keys
# above, since it is copied from <cpu> tag of getCapabilities()
# (See libvirt.virtConnection).
cpu_info = Column(MediumText(), nullable=False)
disk_available_least = Column(Integer)
host_ip = Column(types.IPAddress())
supported_instances = Column(Text)
metrics = Column(Text)
# Note(yongli): json string PCI Stats
# '{"vendor_id":"8086", "product_id":"1234", "count":3 }'
pci_stats = Column(Text)
# extra_resources is a json string containing arbitrary
# data about additional resources.
extra_resources = Column(Text)
# json-encode string containing compute node statistics
stats = Column(Text, default='{}')
class Certificate(BASE, NovaBase):
"""Represents a x509 certificate."""
__tablename__ = 'certificates'
__table_args__ = (
Index('certificates_project_id_deleted_idx', 'project_id', 'deleted'),
Index('certificates_user_id_deleted_idx', 'user_id', 'deleted')
)
id = Column(Integer, primary_key=True)
user_id = Column(String(255))
project_id = Column(String(255))
file_name = Column(String(255))
class Instance(BASE, NovaBase):
"""Represents a guest VM."""
__tablename__ = 'instances'
__table_args__ = (
Index('uuid', 'uuid', unique=True),
Index('project_id', 'project_id'),
Index('instances_host_deleted_idx',
'host', 'deleted'),
Index('instances_reservation_id_idx',
'reservation_id'),
Index('instances_terminated_at_launched_at_idx',
'terminated_at', 'launched_at'),
Index('instances_uuid_deleted_idx',
'uuid', 'deleted'),
Index('instances_task_state_updated_at_idx',
'task_state', 'updated_at'),
Index('instances_host_node_deleted_idx',
'host', 'node', 'deleted'),
Index('instances_host_deleted_cleaned_idx',
'host', 'deleted', 'cleaned'),
)
injected_files = []
id = Column(Integer, primary_key=True, autoincrement=True)
@property
def name(self):
try:
base_name = CONF.instance_name_template % self.id
except TypeError:
# Support templates like "uuid-%(uuid)s", etc.
info = {}
# NOTE(russellb): Don't use self.iteritems() here, as it will
# result in infinite recursion on the name property.
for column in iter(object_mapper(self).columns):
key = column.name
# prevent recursion if someone specifies %(name)s
# %(name)s will not be valid.
if key == 'name':
continue
info[key] = self[key]
try:
base_name = CONF.instance_name_template % info
except KeyError:
base_name = self.uuid
return base_name
@property
def _extra_keys(self):
return ['name']
user_id = Column(String(255))
project_id = Column(String(255))
image_ref = Column(String(255))
kernel_id = Column(String(255))
ramdisk_id = Column(String(255))
hostname = Column(String(255))
launch_index = Column(Integer)
key_name = Column(String(255))
key_data = Column(MediumText())
power_state = Column(Integer)
vm_state = Column(String(255))
task_state = Column(String(255))
memory_mb = Column(Integer)
vcpus = Column(Integer)
root_gb = Column(Integer)
ephemeral_gb = Column(Integer)
ephemeral_key_uuid = Column(String(36))
# This is not related to hostname, above. It refers
# to the nova node.
host = Column(String(255)) # , ForeignKey('hosts.id'))
# To identify the "ComputeNode" which the instance resides in.
# This equals to ComputeNode.hypervisor_hostname.
node = Column(String(255))
# *not* flavorid, this is the internal primary_key
instance_type_id = Column(Integer)
user_data = Column(MediumText())
reservation_id = Column(String(255))
scheduled_at = Column(DateTime)
launched_at = Column(DateTime)
terminated_at = Column(DateTime)
availability_zone = Column(String(255))
# User editable field for display in user-facing UIs
display_name = Column(String(255))
display_description = Column(String(255))
# To remember on which host an instance booted.
# An instance may have moved to another host by live migration.
launched_on = Column(MediumText())
# NOTE(jdillaman): locked deprecated in favor of locked_by,
# to be removed in Icehouse
locked = Column(Boolean)
locked_by = Column(Enum('owner', 'admin'))
os_type = Column(String(255))
architecture = Column(String(255))
vm_mode = Column(String(255))
uuid = Column(String(36))
root_device_name = Column(String(255))
default_ephemeral_device = Column(String(255))
default_swap_device = Column(String(255))
config_drive = Column(String(255))
# User editable field meant to represent what ip should be used
# to connect to the instance
access_ip_v4 = Column(types.IPAddress())
access_ip_v6 = Column(types.IPAddress())
auto_disk_config = Column(Boolean())
progress = Column(Integer)
# EC2 instance_initiated_shutdown_terminate
# True: -> 'terminate'
# False: -> 'stop'
# Note(maoy): currently Nova will always stop instead of terminate
# no matter what the flag says. So we set the default to False.
shutdown_terminate = Column(Boolean(), default=False)
# EC2 disable_api_termination
disable_terminate = Column(Boolean(), default=False)
# OpenStack compute cell name. This will only be set at the top of
# the cells tree and it'll be a full cell name such as 'api!hop1!hop2'
cell_name = Column(String(255))
internal_id = Column(Integer)
# Records whether an instance has been deleted from disk
cleaned = Column(Integer, default=0)
class InstanceInfoCache(BASE, NovaBase):
"""Represents a cache of information about an instance
"""
__tablename__ = 'instance_info_caches'
__table_args__ = (
schema.UniqueConstraint(
"instance_uuid",
name="uniq_instance_info_caches0instance_uuid"),)
id = Column(Integer, primary_key=True, autoincrement=True)
# text column used for storing a json object of network data for api
network_info = Column(MediumText())
instance_uuid = Column(String(36), ForeignKey('instances.uuid'),
nullable=False)
instance = relationship(Instance,
backref=backref('info_cache', uselist=False),
foreign_keys=instance_uuid,
primaryjoin=instance_uuid == Instance.uuid)
class InstanceTypes(BASE, NovaBase):
"""Represents possible flavors for instances.
Note: instance_type and flavor are synonyms and the term instance_type is
deprecated and in the process of being removed.
"""
__tablename__ = "instance_types"
__table_args__ = (
schema.UniqueConstraint("flavorid", "deleted",
name="uniq_instance_types0flavorid0deleted"),
schema.UniqueConstraint("name", "deleted",
name="uniq_instance_types0name0deleted")
)
# Internal only primary key/id
id = Column(Integer, primary_key=True)
name = Column(String(255))
memory_mb = Column(Integer, nullable=False)
vcpus = Column(Integer, nullable=False)
root_gb = Column(Integer)
ephemeral_gb = Column(Integer)
# Public facing id will be renamed public_id
flavorid = Column(String(255))
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 Volume(BASE, NovaBase):
"""Represents a block storage device that can be attached to a VM."""
__tablename__ = 'volumes'
__table_args__ = (
Index('volumes_instance_uuid_idx', 'instance_uuid'),
)
id = Column(String(36), primary_key=True, nullable=False)
deleted = Column(String(36), default="")
@property
def name(self):
return CONF.volume_name_template % self.id
ec2_id = Column(String(255))
user_id = Column(String(255))
project_id = Column(String(255))
snapshot_id = Column(String(36))
host = Column(String(255))
size = Column(Integer)
availability_zone = Column(String(255))
instance_uuid = Column(String(36))
mountpoint = Column(String(255))
attach_time = Column(DateTime)
status = Column(String(255)) # TODO(vish): enum?
attach_status = Column(String(255)) # TODO(vish): enum
scheduled_at = Column(DateTime)
launched_at = Column(DateTime)
terminated_at = Column(DateTime)
display_name = Column(String(255))
display_description = Column(String(255))
provider_location = Column(String(256))
provider_auth = Column(String(256))
volume_type_id = Column(Integer)
class Quota(BASE, NovaBase):
"""Represents a single quota override for a project.
If there is no row for a given project id and resource, then the
default for the quota class is used. If there is no row for a
given quota class and resource, then the default for the
deployment is used. If the row is present but the hard limit is
Null, then the resource is unlimited.
"""
__tablename__ = 'quotas'
__table_args__ = (
schema.UniqueConstraint("project_id", "resource", "deleted",
name="uniq_quotas0project_id0resource0deleted"
),
)
id = Column(Integer, primary_key=True)
project_id = Column(String(255))
resource = Column(String(255), nullable=False)
hard_limit = Column(Integer)
class ProjectUserQuota(BASE, NovaBase):
"""Represents a single quota override for a user with in a project."""
__tablename__ = 'project_user_quotas'
uniq_name = "uniq_project_user_quotas0user_id0project_id0resource0deleted"
__table_args__ = (
schema.UniqueConstraint("user_id", "project_id", "resource", "deleted",
name=uniq_name),
Index('project_user_quotas_project_id_deleted_idx',
'project_id', 'deleted'),
Index('project_user_quotas_user_id_deleted_idx',
'user_id', 'deleted')
)
id = Column(Integer, primary_key=True, nullable=False)
project_id = Column(String(255), nullable=False)
user_id = Column(String(255), nullable=False)
resource = Column(String(255), nullable=False)
hard_limit = Column(Integer)
class QuotaClass(BASE, NovaBase):
"""Represents a single quota override for a quota class.
If there is no row for a given quota class and resource, then the
default for the deployment is used. If the row is present but the
hard limit is Null, then the resource is unlimited.
"""
__tablename__ = 'quota_classes'
__table_args__ = (
Index('ix_quota_classes_class_name', 'class_name'),
)
id = Column(Integer, primary_key=True)
class_name = Column(String(255))
resource = Column(String(255))
hard_limit = Column(Integer)
class QuotaUsage(BASE, NovaBase):
"""Represents the current usage for a given resource."""
__tablename__ = 'quota_usages'
__table_args__ = (
Index('ix_quota_usages_project_id', 'project_id'),
)
id = Column(Integer, primary_key=True)
project_id = Column(String(255))
user_id = Column(String(255))
resource = Column(String(255), nullable=False)
in_use = Column(Integer, nullable=False)
reserved = Column(Integer, nullable=False)
@property
def total(self):
return self.in_use + self.reserved
until_refresh = Column(Integer)
class Reservation(BASE, NovaBase):
"""Represents a resource reservation for quotas."""
__tablename__ = 'reservations'
__table_args__ = (
Index('ix_reservations_project_id', 'project_id'),
Index('reservations_uuid_idx', 'uuid'),
)
id = Column(Integer, primary_key=True, nullable=False)
uuid = Column(String(36), nullable=False)
usage_id = Column(Integer, ForeignKey('quota_usages.id'), nullable=False)
project_id = Column(String(255))
user_id = Column(String(255))
resource = Column(String(255))
delta = Column(Integer, nullable=False)
expire = Column(DateTime)
usage = relationship(
"QuotaUsage",
foreign_keys=usage_id,
primaryjoin='and_(Reservation.usage_id == QuotaUsage.id,'
'QuotaUsage.deleted == 0)')
class Snapshot(BASE, NovaBase):
"""Represents a block storage device that can be attached to a VM."""
__tablename__ = 'snapshots'
__table_args__ = ()
id = Column(String(36), primary_key=True, nullable=False)
deleted = Column(String(36), default="")
@property
def name(self):
return CONF.snapshot_name_template % self.id
@property
def volume_name(self):
return CONF.volume_name_template % self.volume_id
user_id = Column(String(255))
project_id = Column(String(255))
volume_id = Column(String(36), nullable=False)
status = Column(String(255))
progress = Column(String(255))
volume_size = Column(Integer)
scheduled_at = Column(DateTime)
display_name = Column(String(255))
display_description = Column(String(255))
class BlockDeviceMapping(BASE, NovaBase):
"""Represents block device mapping that is defined by EC2."""
__tablename__ = "block_device_mapping"
__table_args__ = (
Index('snapshot_id', 'snapshot_id'),
Index('volume_id', 'volume_id'),
Index('block_device_mapping_instance_uuid_device_name_idx',
'instance_uuid', 'device_name'),
Index('block_device_mapping_instance_uuid_volume_id_idx',
'instance_uuid', 'volume_id'),
Index('block_device_mapping_instance_uuid_idx', 'instance_uuid'),
#TODO(sshturm) Should be dropped. `virtual_name` was dropped
#in 186 migration,
#Duplicates `block_device_mapping_instance_uuid_device_name_idx` index.
Index("block_device_mapping_instance_uuid_virtual_name"
"_device_name_idx", 'instance_uuid', 'device_name'),
)
id = Column(Integer, primary_key=True, autoincrement=True)
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
instance = relationship(Instance,
backref=backref('block_device_mapping'),
foreign_keys=instance_uuid,
primaryjoin='and_(BlockDeviceMapping.'
'instance_uuid=='
'Instance.uuid,'
'BlockDeviceMapping.deleted=='
'0)')
source_type = Column(String(255))
destination_type = Column(String(255))
guest_format = Column(String(255))
device_type = Column(String(255))
disk_bus = Column(String(255))
boot_index = Column(Integer)
device_name = Column(String(255))
# default=False for compatibility of the existing code.
# With EC2 API,
# default True for ami specified device.
# default False for created with other timing.
#TODO(sshturm) add default in db
delete_on_termination = Column(Boolean, default=False)
snapshot_id = Column(String(36))
volume_id = Column(String(36))
volume_size = Column(Integer)
image_id = Column(String(36))
# for no device to suppress devices.
no_device = Column(Boolean)
connection_info = Column(MediumText())
class IscsiTarget(BASE, NovaBase):
"""Represents an iscsi target for a given host."""
__tablename__ = 'iscsi_targets'
__table_args__ = (
Index('iscsi_targets_volume_id_fkey', 'volume_id'),
Index('iscsi_targets_host_idx', 'host'),
Index('iscsi_targets_host_volume_id_deleted_idx', 'host', 'volume_id',
'deleted')
)
id = Column(Integer, primary_key=True, nullable=False)
target_num = Column(Integer)
host = Column(String(255))
volume_id = Column(String(36), ForeignKey('volumes.id'))
volume = relationship(Volume,
backref=backref('iscsi_target', uselist=False),
foreign_keys=volume_id,
primaryjoin='and_(IscsiTarget.volume_id==Volume.id,'
'IscsiTarget.deleted==0)')
class SecurityGroupInstanceAssociation(BASE, NovaBase):
__tablename__ = 'security_group_instance_association'
__table_args__ = (
Index('security_group_instance_association_instance_uuid_idx',
'instance_uuid'),
)
id = Column(Integer, primary_key=True, nullable=False)
security_group_id = Column(Integer, ForeignKey('security_groups.id'))
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
class SecurityGroup(BASE, NovaBase):
"""Represents a security group."""
__tablename__ = 'security_groups'
__table_args__ = (
Index('uniq_security_groups0project_id0name0deleted', 'project_id',
'name', 'deleted'),
)
id = Column(Integer, primary_key=True)
name = Column(String(255))
description = Column(String(255))
user_id = Column(String(255))
project_id = Column(String(255))
instances = relationship(Instance,
secondary="security_group_instance_association",
primaryjoin='and_('
'SecurityGroup.id == '
'SecurityGroupInstanceAssociation.security_group_id,'
'SecurityGroupInstanceAssociation.deleted == 0,'
'SecurityGroup.deleted == 0)',
secondaryjoin='and_('
'SecurityGroupInstanceAssociation.instance_uuid == Instance.uuid,'
# (anthony) the condition below shouldn't be necessary now that the
# association is being marked as deleted. However, removing this
# may cause existing deployments to choke, so I'm leaving it
'Instance.deleted == 0)',
backref='security_groups')
class SecurityGroupIngressRule(BASE, NovaBase):
"""Represents a rule in a security group."""
__tablename__ = 'security_group_rules'
__table_args__ = ()
id = Column(Integer, primary_key=True)
parent_group_id = Column(Integer, ForeignKey('security_groups.id'))
parent_group = relationship("SecurityGroup", backref="rules",
foreign_keys=parent_group_id,
primaryjoin='and_('
'SecurityGroupIngressRule.parent_group_id == SecurityGroup.id,'
'SecurityGroupIngressRule.deleted == 0)')
protocol = Column(String(255))
from_port = Column(Integer)
to_port = Column(Integer)
cidr = Column(types.CIDR())
# Note: This is not the parent SecurityGroup. It's SecurityGroup we're
# granting access for.
group_id = Column(Integer, ForeignKey('security_groups.id'))
grantee_group = relationship("SecurityGroup",
foreign_keys=group_id,
primaryjoin='and_('
'SecurityGroupIngressRule.group_id == SecurityGroup.id,'
'SecurityGroupIngressRule.deleted == 0)')
class SecurityGroupIngressDefaultRule(BASE, NovaBase):
__tablename__ = 'security_group_default_rules'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False)
protocol = Column(String(5)) # "tcp", "udp" or "icmp"
from_port = Column(Integer)
to_port = Column(Integer)
cidr = Column(types.CIDR())
class ProviderFirewallRule(BASE, NovaBase):
"""Represents a rule in a security group."""
__tablename__ = 'provider_fw_rules'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False)
protocol = Column(String(5)) # "tcp", "udp", or "icmp"
from_port = Column(Integer)
to_port = Column(Integer)
cidr = Column(types.CIDR())
class KeyPair(BASE, NovaBase):
"""Represents a public key pair for ssh."""
__tablename__ = 'key_pairs'
__table_args__ = (
schema.UniqueConstraint("user_id", "name", "deleted",
name="uniq_key_pairs0user_id0name0deleted"),
)
id = Column(Integer, primary_key=True, nullable=False)
name = Column(String(255))
user_id = Column(String(255))
fingerprint = Column(String(255))
public_key = Column(MediumText())
class Migration(BASE, NovaBase):
"""Represents a running host-to-host migration."""
__tablename__ = 'migrations'
__table_args__ = (
Index('migrations_instance_uuid_and_status_idx', 'instance_uuid',
'status'),
Index('migrations_by_host_nodes_and_status_idx', 'deleted',
'source_compute', 'dest_compute', 'source_node', 'dest_node',
'status'),
)
id = Column(Integer, primary_key=True, nullable=False)
# NOTE(tr3buchet): the ____compute variables are instance['host']
source_compute = Column(String(255))
dest_compute = Column(String(255))
# nodes are equivalent to a compute node's 'hypervisor_hostname'
source_node = Column(String(255))
dest_node = Column(String(255))
# NOTE(tr3buchet): dest_host, btw, is an ip address
dest_host = Column(String(255))
old_instance_type_id = Column(Integer())
new_instance_type_id = Column(Integer())
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
#TODO(_cerberus_): enum
status = Column(String(255))
instance = relationship("Instance", foreign_keys=instance_uuid,
primaryjoin='and_(Migration.instance_uuid == '
'Instance.uuid, Instance.deleted == '
'0)')
class Network(BASE, NovaBase):
"""Represents a network."""
__tablename__ = 'networks'
__table_args__ = (
schema.UniqueConstraint("vlan", "deleted",
name="uniq_networks0vlan0deleted"),
Index('networks_bridge_deleted_idx', 'bridge', 'deleted'),
Index('networks_host_idx', 'host'),
Index('networks_project_id_deleted_idx', 'project_id', 'deleted'),
Index('networks_uuid_project_id_deleted_idx', 'uuid',
'project_id', 'deleted'),
Index('networks_vlan_deleted_idx', 'vlan', 'deleted'),
Index('networks_cidr_v6_idx', 'cidr_v6')
)
id = Column(Integer, primary_key=True, nullable=False)
label = Column(String(255))
injected = Column(Boolean, default=False)
cidr = Column(types.CIDR())
cidr_v6 = Column(types.CIDR())
multi_host = Column(Boolean, default=False)
gateway_v6 = Column(types.IPAddress())
netmask_v6 = Column(types.IPAddress())
netmask = Column(types.IPAddress())
bridge = Column(String(255))
bridge_interface = Column(String(255))
gateway = Column(types.IPAddress())
broadcast = Column(types.IPAddress())
dns1 = Column(types.IPAddress())
dns2 = Column(types.IPAddress())
vlan = Column(Integer)
vpn_public_address = Column(types.IPAddress())
vpn_public_port = Column(Integer)
vpn_private_address = Column(types.IPAddress())
dhcp_start = Column(types.IPAddress())
rxtx_base = Column(Integer)
project_id = Column(String(255))
priority = Column(Integer)
host = Column(String(255)) # , ForeignKey('hosts.id'))
uuid = Column(String(36))
class VirtualInterface(BASE, NovaBase):
"""Represents a virtual interface on an instance."""
__tablename__ = 'virtual_interfaces'
__table_args__ = (
schema.UniqueConstraint("address", "deleted",
name="uniq_virtual_interfaces0address0deleted"),
Index('network_id', 'network_id'),
Index('virtual_interfaces_instance_uuid_fkey', 'instance_uuid'),
)
id = Column(Integer, primary_key=True, nullable=False)
address = Column(String(255))
network_id = Column(Integer)
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
uuid = Column(String(36))
# TODO(vish): can these both come from the same baseclass?
class FixedIp(BASE, NovaBase):
"""Represents a fixed ip for an instance."""
__tablename__ = 'fixed_ips'
__table_args__ = (
schema.UniqueConstraint(
"address", "deleted", name="uniq_fixed_ips0address0deleted"),
Index('fixed_ips_virtual_interface_id_fkey', 'virtual_interface_id'),
Index('network_id', 'network_id'),
Index('address', 'address'),
Index('fixed_ips_instance_uuid_fkey', 'instance_uuid'),
Index('fixed_ips_host_idx', 'host'),
Index('fixed_ips_network_id_host_deleted_idx', 'network_id', 'host',
'deleted'),
Index('fixed_ips_address_reserved_network_id_deleted_idx',
'address', 'reserved', 'network_id', 'deleted'),
Index('fixed_ips_deleted_allocated_idx', 'address', 'deleted',
'allocated')
)
id = Column(Integer, primary_key=True)
address = Column(types.IPAddress())
network_id = Column(Integer)
virtual_interface_id = Column(Integer)
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
# associated means that a fixed_ip has its instance_id column set
# allocated means that a fixed_ip has its virtual_interface_id column set
#TODO(sshturm) add default in db
allocated = Column(Boolean, default=False)
# leased means dhcp bridge has leased the ip
#TODO(sshturm) add default in db
leased = Column(Boolean, default=False)
#TODO(sshturm) add default in db
reserved = Column(Boolean, default=False)
host = Column(String(255))
network = relationship(Network,
backref=backref('fixed_ips'),
foreign_keys=network_id,
primaryjoin='and_('
'FixedIp.network_id == Network.id,'
'FixedIp.deleted == 0,'
'Network.deleted == 0)')
instance = relationship(Instance,
foreign_keys=instance_uuid,
primaryjoin='and_('
'FixedIp.instance_uuid == Instance.uuid,'
'FixedIp.deleted == 0,'
'Instance.deleted == 0)')
class FloatingIp(BASE, NovaBase):
"""Represents a floating ip that dynamically forwards to a fixed ip."""
__tablename__ = 'floating_ips'
__table_args__ = (
schema.UniqueConstraint("address", "deleted",
name="uniq_floating_ips0address0deleted"),
Index('fixed_ip_id', 'fixed_ip_id'),
Index('floating_ips_host_idx', 'host'),
Index('floating_ips_project_id_idx', 'project_id'),
Index('floating_ips_pool_deleted_fixed_ip_id_project_id_idx',
'pool', 'deleted', 'fixed_ip_id', 'project_id')
)
id = Column(Integer, primary_key=True)
address = Column(types.IPAddress())
fixed_ip_id = Column(Integer)
project_id = Column(String(255))
host = Column(String(255)) # , ForeignKey('hosts.id'))
auto_assigned = Column(Boolean, default=False)
#TODO(sshturm) add default in db
pool = Column(String(255))
interface = Column(String(255))
fixed_ip = relationship(FixedIp,
backref=backref('floating_ips'),
foreign_keys=fixed_ip_id,
primaryjoin='and_('
'FloatingIp.fixed_ip_id == FixedIp.id,'
'FloatingIp.deleted == 0,'
'FixedIp.deleted == 0)')
class DNSDomain(BASE, NovaBase):
"""Represents a DNS domain with availability zone or project info."""
__tablename__ = 'dns_domains'
__table_args__ = (
Index('project_id', 'project_id'),
Index('dns_domains_domain_deleted_idx', 'domain', 'deleted'),
)
deleted = Column(Boolean, default=False)
domain = Column(String(255), primary_key=True)
scope = Column(String(255))
availability_zone = Column(String(255))
project_id = Column(String(255))
class ConsolePool(BASE, NovaBase):
"""Represents pool of consoles on the same physical node."""
__tablename__ = 'console_pools'
__table_args__ = (
schema.UniqueConstraint(
"host", "console_type", "compute_host", "deleted",
name="uniq_console_pools0host0console_type0compute_host0deleted"),
)
id = Column(Integer, primary_key=True)
address = Column(types.IPAddress())
username = Column(String(255))
password = Column(String(255))
console_type = Column(String(255))
public_hostname = Column(String(255))
host = Column(String(255))
compute_host = Column(String(255))
class Console(BASE, NovaBase):
"""Represents a console session for an instance."""
__tablename__ = 'consoles'
__table_args__ = (
Index('consoles_instance_uuid_idx', 'instance_uuid'),
)
id = Column(Integer, primary_key=True)
instance_name = Column(String(255))
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
password = Column(String(255))
port = Column(Integer)
pool_id = Column(Integer, ForeignKey('console_pools.id'))
pool = relationship(ConsolePool, backref=backref('consoles'))
class InstanceMetadata(BASE, NovaBase):
"""Represents a user-provided metadata key/value pair for an instance."""
__tablename__ = 'instance_metadata'
__table_args__ = (
Index('instance_metadata_instance_uuid_idx', 'instance_uuid'),
)
id = Column(Integer, primary_key=True)
key = Column(String(255))
value = Column(String(255))
instance_uuid = Column(String(36), ForeignKey('instances.uuid'))
instance = relationship(Instance, backref="metadata",
foreign_keys=instance_uuid,
primaryjoin='and_('
'InstanceMetadata.instance_uuid == '
'Instance.uuid,'
'InstanceMetadata.deleted == 0)')
class InstanceSystemMetadata(BASE, NovaBase):
"""Represents a system-owned metadata key/value pair for an instance."""
__tablename__ = 'instance_system_metadata'
__table_args__ = ()
id = Column(Integer, primary_key=True)
key = Column(String(255), nullable=False)
value = Column(String(255))
instance_uuid = Column(String(36),
ForeignKey('instances.uuid'),
nullable=False)
primary_join = ('and_(InstanceSystemMetadata.instance_uuid == '
'Instance.uuid, InstanceSystemMetadata.deleted == 0)')
instance = relationship(Instance, backref="system_metadata",
foreign_keys=instance_uuid,
primaryjoin=primary_join)
class InstanceTypeProjects(BASE, NovaBase):
"""Represent projects associated instance_types."""
__tablename__ = "instance_type_projects"
__table_args__ = (schema.UniqueConstraint(
"instance_type_id", "project_id", "deleted",
name="uniq_instance_type_projects0instance_type_id0project_id0deleted"
),
)
id = Column(Integer, primary_key=True)
instance_type_id = Column(Integer, ForeignKey('instance_types.id'),
nullable=False)
project_id = Column(String(255))
instance_type = relationship(InstanceTypes, backref="projects",
foreign_keys=instance_type_id,
primaryjoin='and_('
'InstanceTypeProjects.instance_type_id == InstanceTypes.id,'
'InstanceTypeProjects.deleted == 0)')
class InstanceTypeExtraSpecs(BASE, NovaBase):
"""Represents additional specs as key/value pairs for an instance_type."""
__tablename__ = 'instance_type_extra_specs'
__table_args__ = (
Index('instance_type_extra_specs_instance_type_id_key_idx',
'instance_type_id', 'key'),
schema.UniqueConstraint(
"instance_type_id", "key", "deleted",
name=("uniq_instance_type_extra_specs0"
"instance_type_id0key0deleted")
),
)
id = Column(Integer, primary_key=True)
key = Column(String(255))
value = Column(String(255))
instance_type_id = Column(Integer, ForeignKey('instance_types.id'),
nullable=False)
instance_type = relationship(InstanceTypes, backref="extra_specs",
foreign_keys=instance_type_id,
primaryjoin='and_('
'InstanceTypeExtraSpecs.instance_type_id == InstanceTypes.id,'
'InstanceTypeExtraSpecs.deleted == 0)')
class Cell(BASE, NovaBase):
"""Represents parent and child cells of this cell. Cells can
have multiple parents and children, so there could be any number
of entries with is_parent=True or False
"""
__tablename__ = 'cells'
__table_args__ = (schema.UniqueConstraint(
"name", "deleted", name="uniq_cells0name0deleted"
),
)
id = Column(Integer, primary_key=True)
# Name here is the 'short name' of a cell. For instance: 'child1'
name = Column(String(255))
api_url = Column(String(255))
transport_url = Column(String(255), nullable=False)
weight_offset = Column(Float(), default=0.0)
weight_scale = Column(Float(), default=1.0)
is_parent = Column(Boolean())
class AggregateHost(BASE, NovaBase):
"""Represents a host that is member of an aggregate."""
__tablename__ = 'aggregate_hosts'
__table_args__ = (schema.UniqueConstraint(
"host", "aggregate_id", "deleted",
name="uniq_aggregate_hosts0host0aggregate_id0deleted"
),
)
id = Column(Integer, primary_key=True, autoincrement=True)
host = Column(String(255))
aggregate_id = Column(Integer, ForeignKey('aggregates.id'), nullable=False)
class AggregateMetadata(BASE, NovaBase):
"""Represents a metadata key/value pair for an aggregate."""
__tablename__ = 'aggregate_metadata'
__table_args__ = (
schema.UniqueConstraint("aggregate_id", "key", "deleted",
name="uniq_aggregate_metadata0aggregate_id0key0deleted"
),
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(BASE, NovaBase):
"""Represents a cluster of hosts that exists in this zone."""
__tablename__ = 'aggregates'
__table_args__ = ()
id = Column(Integer, primary_key=True, autoincrement=True)
name = Column(String(255))
_hosts = relationship(AggregateHost,
primaryjoin='and_('
'Aggregate.id == AggregateHost.aggregate_id,'
'AggregateHost.deleted == 0,'
'Aggregate.deleted == 0)')
_metadata = relationship(AggregateMetadata,
primaryjoin='and_('
'Aggregate.id == AggregateMetadata.aggregate_id,'
'AggregateMetadata.deleted == 0,'
'Aggregate.deleted == 0)')
@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 dict([(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 AgentBuild(BASE, NovaBase):
"""Represents an agent build."""
__tablename__ = 'agent_builds'
__table_args__ = (
Index('agent_builds_hypervisor_os_arch_idx', 'hypervisor', 'os',
'architecture'),
schema.UniqueConstraint("hypervisor", "os", "architecture", "deleted",
name="uniq_agent_builds0hypervisor0os0architecture0deleted"),
)
id = Column(Integer, primary_key=True)
hypervisor = Column(String(255))
os = Column(String(255))
architecture = Column(String(255))
version = Column(String(255))
url = Column(String(255))
md5hash = Column(String(255))
class BandwidthUsage(BASE, NovaBase):
"""Cache for instance bandwidth usage data pulled from the hypervisor."""
__tablename__ = 'bw_usage_cache'
__table_args__ = (
Index('bw_usage_cache_uuid_start_period_idx', 'uuid',
'start_period'),
)
id = Column(Integer, primary_key=True, nullable=False)
uuid = Column(String(36))
mac = Column(String(255))
start_period = Column(DateTime, nullable=False)
last_refreshed = Column(DateTime)
bw_in = Column(BigInteger)
bw_out = Column(BigInteger)
last_ctr_in = Column(BigInteger)
last_ctr_out = Column(BigInteger)
class VolumeUsage(BASE, NovaBase):
"""Cache for volume usage data pulled from the hypervisor."""
__tablename__ = 'volume_usage_cache'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False)
volume_id = Column(String(36), nullable=False)
instance_uuid = Column(String(36))
project_id = Column(String(36))
user_id = Column(String(36))
availability_zone = Column(String(255))
tot_last_refreshed = Column(DateTime)
tot_reads = Column(BigInteger, default=0)
tot_read_bytes = Column(BigInteger, default=0)
tot_writes = Column(BigInteger, default=0)
tot_write_bytes = Column(BigInteger, default=0)
curr_last_refreshed = Column(DateTime)
curr_reads = Column(BigInteger, default=0)
curr_read_bytes = Column(BigInteger, default=0)
curr_writes = Column(BigInteger, default=0)
curr_write_bytes = Column(BigInteger, default=0)
class S3Image(BASE, NovaBase):
"""Compatibility layer for the S3 image service talking to Glance."""
__tablename__ = 's3_images'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
uuid = Column(String(36), nullable=False)
class VolumeIdMapping(BASE, NovaBase):
"""Compatibility layer for the EC2 volume service."""
__tablename__ = 'volume_id_mappings'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
uuid = Column(String(36), nullable=False)
class SnapshotIdMapping(BASE, NovaBase):
"""Compatibility layer for the EC2 snapshot service."""
__tablename__ = 'snapshot_id_mappings'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
uuid = Column(String(36), nullable=False)
class InstanceFault(BASE, NovaBase):
__tablename__ = 'instance_faults'
__table_args__ = (
Index('instance_faults_host_idx', 'host'),
Index('instance_faults_instance_uuid_deleted_created_at_idx',
'instance_uuid', 'deleted', 'created_at')
)
id = Column(Integer, primary_key=True, nullable=False)
instance_uuid = Column(String(36),
ForeignKey('instances.uuid'))
code = Column(Integer(), nullable=False)
message = Column(String(255))
details = Column(MediumText())
host = Column(String(255))
class InstanceAction(BASE, NovaBase):
"""Track client actions on an instance.
The intention is that there will only be one of these per user request. A
lookup by (instance_uuid, request_id) should always return a single result.
"""
__tablename__ = 'instance_actions'
__table_args__ = (
Index('instance_uuid_idx', 'instance_uuid'),
Index('request_id_idx', 'request_id')
)
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
action = Column(String(255))
instance_uuid = Column(String(36),
ForeignKey('instances.uuid'))
request_id = Column(String(255))
user_id = Column(String(255))
project_id = Column(String(255))
start_time = Column(DateTime, default=timeutils.utcnow)
finish_time = Column(DateTime)
message = Column(String(255))
class InstanceActionEvent(BASE, NovaBase):
"""Track events that occur during an InstanceAction."""
__tablename__ = 'instance_actions_events'
__table_args__ = ()
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
event = Column(String(255))
action_id = Column(Integer, ForeignKey('instance_actions.id'))
start_time = Column(DateTime, default=timeutils.utcnow)
finish_time = Column(DateTime)
result = Column(String(255))
traceback = Column(Text)
host = Column(String(255))
details = Column(Text)
class InstanceIdMapping(BASE, NovaBase):
"""Compatibility layer for the EC2 instance service."""
__tablename__ = 'instance_id_mappings'
__table_args__ = (
Index('ix_instance_id_mappings_uuid', 'uuid'),
)
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
uuid = Column(String(36), nullable=False)
class TaskLog(BASE, NovaBase):
"""Audit log for background periodic tasks."""
__tablename__ = 'task_log'
__table_args__ = (
schema.UniqueConstraint(
'task_name', 'host', 'period_beginning', 'period_ending',
name="uniq_task_log0task_name0host0period_beginning0period_ending"
),
Index('ix_task_log_period_beginning', 'period_beginning'),
Index('ix_task_log_host', 'host'),
Index('ix_task_log_period_ending', 'period_ending'),
)
id = Column(Integer, primary_key=True, nullable=False, autoincrement=True)
task_name = Column(String(255), nullable=False)
state = Column(String(255), nullable=False)
host = Column(String(255), nullable=False)
period_beginning = Column(DateTime, default=timeutils.utcnow,
nullable=False)
period_ending = Column(DateTime, default=timeutils.utcnow,
nullable=False)
message = Column(String(255), nullable=False)
task_items = Column(Integer(), default=0)
errors = Column(Integer(), default=0)
class InstanceGroupMember(BASE, NovaBase):
"""Represents the members for an instance group."""
__tablename__ = 'instance_group_member'
__table_args__ = (
Index('instance_group_member_instance_idx', 'instance_id'),
)
id = Column(Integer, primary_key=True, nullable=False)
instance_id = Column(String(255))
group_id = Column(Integer, ForeignKey('instance_groups.id'),
nullable=False)
class InstanceGroupPolicy(BASE, NovaBase):
"""Represents the policy type for an instance group."""
__tablename__ = 'instance_group_policy'
__table_args__ = (
Index('instance_group_policy_policy_idx', 'policy'),
)
id = Column(Integer, primary_key=True, nullable=False)
policy = Column(String(255))
group_id = Column(Integer, ForeignKey('instance_groups.id'),
nullable=False)
class InstanceGroupMetadata(BASE, NovaBase):
"""Represents a key/value pair for an instance group."""
__tablename__ = 'instance_group_metadata'
__table_args__ = (
Index('instance_group_metadata_key_idx', 'key'),
)
id = Column(Integer, primary_key=True, nullable=False)
key = Column(String(255))
value = Column(String(255))
group_id = Column(Integer, ForeignKey('instance_groups.id'),
nullable=False)
class InstanceGroup(BASE, NovaBase):
"""Represents an instance group.
A group will maintain a collection of instances and the relationship
between them.
"""
__tablename__ = 'instance_groups'
__table_args__ = (
schema.UniqueConstraint("uuid", "deleted",
name="uniq_instance_groups0uuid0deleted"),
)
id = Column(Integer, primary_key=True, autoincrement=True)
user_id = Column(String(255))
project_id = Column(String(255))
uuid = Column(String(36), nullable=False)
name = Column(String(255))
_policies = relationship(InstanceGroupPolicy, primaryjoin='and_('
'InstanceGroup.id == InstanceGroupPolicy.group_id,'
'InstanceGroupPolicy.deleted == 0,'
'InstanceGroup.deleted == 0)')
_metadata = relationship(InstanceGroupMetadata, primaryjoin='and_('
'InstanceGroup.id == InstanceGroupMetadata.group_id,'
'InstanceGroupMetadata.deleted == 0,'
'InstanceGroup.deleted == 0)')
_members = relationship(InstanceGroupMember, primaryjoin='and_('
'InstanceGroup.id == InstanceGroupMember.group_id,'
'InstanceGroupMember.deleted == 0,'
'InstanceGroup.deleted == 0)')
@property
def policies(self):
return [p.policy for p in self._policies]
@property
def metadetails(self):
return dict((m.key, m.value) for m in self._metadata)
@property
def members(self):
return [m.instance_id for m in self._members]
class PciDevice(BASE, NovaBase):
"""Represents a PCI host device that can be passed through to instances.
"""
__tablename__ = 'pci_devices'
__table_args__ = (
Index('ix_pci_devices_compute_node_id_deleted',
'compute_node_id', 'deleted'),
Index('ix_pci_devices_instance_uuid_deleted',
'instance_uuid', 'deleted'),
schema.UniqueConstraint(
"compute_node_id", "address", "deleted",
name="uniq_pci_devices0compute_node_id0address0deleted")
)
id = Column(Integer, primary_key=True)
compute_node_id = Column(Integer, ForeignKey('compute_nodes.id'),
nullable=False)
# physical address of device domain:bus:slot.func (0000:09:01.1)
address = Column(String(12), nullable=False)
vendor_id = Column(String(4), nullable=False)
product_id = Column(String(4), nullable=False)
dev_type = Column(String(8), nullable=False)
dev_id = Column(String(255))
# label is abstract device name, that is used to unify devices with the
# same functionality with different addresses or host.
label = Column(String(255), nullable=False)
status = Column(String(36), nullable=False)
extra_info = Column(Text)
instance_uuid = Column(String(36))
instance = relationship(Instance, backref="pci_devices",
foreign_keys=instance_uuid,
primaryjoin='and_('
'PciDevice.instance_uuid == Instance.uuid,'
'PciDevice.deleted == 0)')
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