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@ -42,9 +42,10 @@ CREATE_STATES = (constants.PENDING_CREATE, constants.DEAD)
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###########################################################################
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# db tables
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class DeviceTemplate(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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"""Represents template to create hosting device."""
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class VNFD(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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"""Represents VNFD to create VNF."""
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__tablename__ = 'vnfds'
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# Descriptive name
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name = sa.Column(sa.String(255), nullable=False)
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description = sa.Column(sa.Text)
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@ -61,7 +62,7 @@ class DeviceTemplate(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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mgmt_driver = sa.Column(sa.String(255))
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# (key, value) pair to spin up
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attributes = orm.relationship('DeviceTemplateAttribute',
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attributes = orm.relationship('VNFDAttribute',
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backref='template')
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@ -71,32 +72,36 @@ class ServiceType(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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Since a device may provide many services, This is one-to-many
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relationship.
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"""
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template_id = sa.Column(types.Uuid, sa.ForeignKey('devicetemplates.id'),
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vnfd_id = sa.Column(types.Uuid, sa.ForeignKey('vnfds.id'),
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nullable=False)
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service_type = sa.Column(sa.String(64), nullable=False)
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class DeviceTemplateAttribute(model_base.BASE, models_v1.HasId):
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class VNFDAttribute(model_base.BASE, models_v1.HasId):
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"""Represents attributes necessary for spinning up VM in (key, value) pair
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key value pair is adopted for being agnostic to actuall manager of VMs
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like nova, heat or others. e.g. image-id, flavor-id for Nova.
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The interpretation is up to actual driver of hosting device.
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"""
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template_id = sa.Column(types.Uuid, sa.ForeignKey('devicetemplates.id'),
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__tablename__ = 'vnfdattributes'
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vnfd_id = sa.Column(types.Uuid, sa.ForeignKey('vnfds.id'),
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nullable=False)
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key = sa.Column(sa.String(255), nullable=False)
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value = sa.Column(sa.TEXT(65535), nullable=True)
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class Device(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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class VNF(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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"""Represents devices that hosts services.
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Here the term, 'VM', is intentionally avoided because it can be
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VM or other container.
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"""
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template_id = sa.Column(types.Uuid, sa.ForeignKey('devicetemplates.id'))
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template = orm.relationship('DeviceTemplate')
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__tablename__ = 'vnfs'
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vnfd_id = sa.Column(types.Uuid, sa.ForeignKey('vnfds.id'))
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vnfd = orm.relationship('VNFD')
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name = sa.Column(sa.String(255), nullable=False)
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description = sa.Column(sa.Text, nullable=True)
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@ -109,7 +114,7 @@ class Device(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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# opaque string.
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# e.g. (driver, mgmt_url) = (ssh, ip address), ...
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mgmt_url = sa.Column(sa.String(255), nullable=True)
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attributes = orm.relationship("DeviceAttribute", backref="device")
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attributes = orm.relationship("VNFAttribute", backref="device")
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status = sa.Column(sa.String(64), nullable=False)
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vim_id = sa.Column(types.Uuid, sa.ForeignKey('vims.id'), nullable=False)
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@ -118,14 +123,16 @@ class Device(model_base.BASE, models_v1.HasId, models_v1.HasTenant):
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error_reason = sa.Column(sa.Text, nullable=True)
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class DeviceAttribute(model_base.BASE, models_v1.HasId):
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class VNFAttribute(model_base.BASE, models_v1.HasId):
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"""Represents kwargs necessary for spinning up VM in (key, value) pair.
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key value pair is adopted for being agnostic to actuall manager of VMs
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like nova, heat or others. e.g. image-id, flavor-id for Nova.
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The interpretation is up to actual driver of hosting device.
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"""
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device_id = sa.Column(types.Uuid, sa.ForeignKey('devices.id'),
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__tablename__ = 'vnfattributes'
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vnf_id = sa.Column(types.Uuid, sa.ForeignKey('vnfs.id'),
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nullable=False)
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key = sa.Column(sa.String(255), nullable=False)
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# json encoded value. example
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@ -150,11 +157,11 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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try:
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return self._get_by_id(context, model, id)
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except orm_exc.NoResultFound:
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if issubclass(model, DeviceTemplate):
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if issubclass(model, VNFD):
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raise vnfm.DeviceTemplateNotFound(device_template_id=id)
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elif issubclass(model, ServiceType):
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raise vnfm.ServiceTypeNotFound(service_type_id=id)
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if issubclass(model, Device):
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if issubclass(model, VNF):
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raise vnfm.DeviceNotFound(device_id=id)
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else:
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raise
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@ -186,11 +193,11 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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LOG.debug(_('device_db attributes %s'), device_db.attributes)
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res = {
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'device_template':
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self._make_template_dict(device_db.template),
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self._make_template_dict(device_db.vnfd),
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'attributes': self._make_dev_attrs_dict(device_db.attributes),
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}
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key_list = ('id', 'tenant_id', 'name', 'description', 'instance_id',
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'vim_id', 'placement_attr', 'template_id', 'status',
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'vim_id', 'placement_attr', 'vnfd_id', 'status',
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'mgmt_url', 'error_reason')
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res.update((key, device_db[key]) for key in key_list)
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return self._fields(res, fields)
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@ -227,7 +234,7 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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with context.session.begin(subtransactions=True):
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template_id = str(uuid.uuid4())
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template_db = DeviceTemplate(
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template_db = VNFD(
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id=template_id,
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tenant_id=tenant_id,
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name=template.get('name'),
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@ -236,9 +243,9 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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mgmt_driver=mgmt_driver)
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context.session.add(template_db)
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for (key, value) in template.get('attributes', {}).items():
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attribute_db = DeviceTemplateAttribute(
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attribute_db = VNFDAttribute(
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id=str(uuid.uuid4()),
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template_id=template_id,
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vnfd_id=template_id,
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key=key,
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value=value)
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context.session.add(attribute_db)
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@ -247,7 +254,7 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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service_type_db = ServiceType(
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id=str(uuid.uuid4()),
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tenant_id=tenant_id,
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template_id=template_id,
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vnfd_id=template_id,
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service_type=service_type)
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context.session.add(service_type_db)
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@ -259,7 +266,7 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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def update_device_template(self, context, device_template_id,
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device_template):
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with context.session.begin(subtransactions=True):
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template_db = self._get_resource(context, DeviceTemplate,
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template_db = self._get_resource(context, VNFD,
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device_template_id)
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template_db.update(device_template['device_template'])
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return self._make_template_dict(template_db)
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@ -268,27 +275,27 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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with context.session.begin(subtransactions=True):
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# TODO(yamahata): race. prevent from newly inserting hosting device
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# that refers to this template
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devices_db = context.session.query(Device).filter_by(
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template_id=device_template_id).first()
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devices_db = context.session.query(VNF).filter_by(
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vnfd_id=device_template_id).first()
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if devices_db is not None:
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raise vnfm.DeviceTemplateInUse(
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device_template_id=device_template_id)
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context.session.query(ServiceType).filter_by(
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template_id=device_template_id).delete()
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context.session.query(DeviceTemplateAttribute).filter_by(
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template_id=device_template_id).delete()
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template_db = self._get_resource(context, DeviceTemplate,
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vnfd_id=device_template_id).delete()
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context.session.query(VNFDAttribute).filter_by(
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vnfd_id=device_template_id).delete()
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template_db = self._get_resource(context, VNFD,
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device_template_id)
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context.session.delete(template_db)
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def get_device_template(self, context, device_template_id, fields=None):
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template_db = self._get_resource(context, DeviceTemplate,
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template_db = self._get_resource(context, VNFD,
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device_template_id)
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return self._make_template_dict(template_db)
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def get_device_templates(self, context, filters, fields=None):
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return self._get_collection(context, DeviceTemplate,
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return self._get_collection(context, VNFD,
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self._make_template_dict,
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filters=filters, fields=fields)
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@ -298,19 +305,19 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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LOG.debug(_('required_attributes %s'), required_attributes)
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with context.session.begin(subtransactions=True):
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query = (
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context.session.query(DeviceTemplate).
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context.session.query(VNFD).
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filter(
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sa.exists().
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where(sa.and_(
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DeviceTemplate.id == ServiceType.template_id,
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VNFD.id == ServiceType.vnfd_id,
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ServiceType.service_type == service_type))))
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for key in required_attributes:
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query = query.filter(
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sa.exists().
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where(sa.and_(
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DeviceTemplate.id ==
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DeviceTemplateAttribute.template_id,
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DeviceTemplateAttribute.key == key)))
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VNFD.id ==
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VNFDAttribute.vnfd_id,
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VNFDAttribute.key == key)))
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LOG.debug(_('statements %s'), query)
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template_db = query.first()
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if template_db:
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@ -318,14 +325,14 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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def _device_attribute_update_or_create(
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self, context, device_id, key, value):
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arg = (self._model_query(context, DeviceAttribute).
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filter(DeviceAttribute.device_id == device_id).
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filter(DeviceAttribute.key == key).first())
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arg = (self._model_query(context, VNFAttribute).
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filter(VNFAttribute.vnf_id == device_id).
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filter(VNFAttribute.key == key).first())
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if arg:
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arg.value = value
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else:
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arg = DeviceAttribute(
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id=str(uuid.uuid4()), device_id=device_id,
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arg = VNFAttribute(
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id=str(uuid.uuid4()), vnf_id=device_id,
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key=key, value=value)
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context.session.add(arg)
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@ -340,22 +347,22 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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vim_id = device.get('vim_id')
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placement_attr = device.get('placement_attr', {})
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with context.session.begin(subtransactions=True):
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template_db = self._get_resource(context, DeviceTemplate,
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template_db = self._get_resource(context, VNFD,
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template_id)
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device_db = Device(id=device_id,
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device_db = VNF(id=device_id,
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tenant_id=tenant_id,
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name=name,
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description=template_db.description,
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instance_id=None,
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template_id=template_id,
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vnfd_id=template_id,
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vim_id=vim_id,
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placement_attr=placement_attr,
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status=constants.PENDING_CREATE,
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error_reason=None)
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context.session.add(device_db)
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for key, value in attributes.items():
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arg = DeviceAttribute(
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id=str(uuid.uuid4()), device_id=device_id,
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arg = VNFAttribute(
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id=str(uuid.uuid4()), vnf_id=device_id,
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key=key, value=value)
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context.session.add(arg)
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@ -367,9 +374,9 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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mgmt_url, device_dict):
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LOG.debug(_('device_dict %s'), device_dict)
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with context.session.begin(subtransactions=True):
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query = (self._model_query(context, Device).
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filter(Device.id == device_id).
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filter(Device.status.in_(CREATE_STATES)).
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query = (self._model_query(context, VNF).
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filter(VNF.id == device_id).
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filter(VNF.status.in_(CREATE_STATES)).
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one())
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query.update({'instance_id': instance_id, 'mgmt_url': mgmt_url})
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if instance_id is None or device_dict['status'] == constants.ERROR:
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@ -383,17 +390,17 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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def _create_device_status(self, context, device_id, new_status):
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with context.session.begin(subtransactions=True):
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query = (self._model_query(context, Device).
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filter(Device.id == device_id).
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filter(Device.status.in_(CREATE_STATES)).one())
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query = (self._model_query(context, VNF).
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filter(VNF.id == device_id).
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filter(VNF.status.in_(CREATE_STATES)).one())
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query.update({'status': new_status})
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def _get_device_db(self, context, device_id, current_statuses, new_status):
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try:
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device_db = (
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|
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self._model_query(context, Device).
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|
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filter(Device.id == device_id).
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|
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filter(Device.status.in_(current_statuses)).
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self._model_query(context, VNF).
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filter(VNF.id == device_id).
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filter(VNF.status.in_(current_statuses)).
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with_lockmode('update').one())
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|
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except orm_exc.NoResultFound:
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raise vnfm.DeviceNotFound(device_id=device_id)
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@ -411,15 +418,15 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
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def _update_device_post(self, context, device_id, new_status,
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new_device_dict=None):
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|
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with context.session.begin(subtransactions=True):
|
|
|
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(self._model_query(context, Device).
|
|
|
|
|
filter(Device.id == device_id).
|
|
|
|
|
filter(Device.status == constants.PENDING_UPDATE).
|
|
|
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|
(self._model_query(context, VNF).
|
|
|
|
|
filter(VNF.id == device_id).
|
|
|
|
|
filter(VNF.status == constants.PENDING_UPDATE).
|
|
|
|
|
update({'status': new_status}))
|
|
|
|
|
|
|
|
|
|
dev_attrs = new_device_dict.get('attributes', {})
|
|
|
|
|
(context.session.query(DeviceAttribute).
|
|
|
|
|
filter(DeviceAttribute.device_id == device_id).
|
|
|
|
|
filter(~DeviceAttribute.key.in_(dev_attrs.keys())).
|
|
|
|
|
(context.session.query(VNFAttribute).
|
|
|
|
|
filter(VNFAttribute.vnf_id == device_id).
|
|
|
|
|
filter(~VNFAttribute.key.in_(dev_attrs.keys())).
|
|
|
|
|
delete(synchronize_session='fetch'))
|
|
|
|
|
|
|
|
|
|
for (key, value) in dev_attrs.items():
|
|
|
|
@ -438,14 +445,14 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
|
|
|
|
|
def _delete_device_post(self, context, device_id, error):
|
|
|
|
|
with context.session.begin(subtransactions=True):
|
|
|
|
|
query = (
|
|
|
|
|
self._model_query(context, Device).
|
|
|
|
|
filter(Device.id == device_id).
|
|
|
|
|
filter(Device.status == constants.PENDING_DELETE))
|
|
|
|
|
self._model_query(context, VNF).
|
|
|
|
|
filter(VNF.id == device_id).
|
|
|
|
|
filter(VNF.status == constants.PENDING_DELETE))
|
|
|
|
|
if error:
|
|
|
|
|
query.update({'status': constants.ERROR})
|
|
|
|
|
else:
|
|
|
|
|
(self._model_query(context, DeviceAttribute).
|
|
|
|
|
filter(DeviceAttribute.device_id == device_id).delete())
|
|
|
|
|
(self._model_query(context, VNFAttribute).
|
|
|
|
|
filter(VNFAttribute.vnf_id == device_id).delete())
|
|
|
|
|
query.delete()
|
|
|
|
|
|
|
|
|
|
# reference implementation. needs to be overrided by subclass
|
|
|
|
@ -480,17 +487,17 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
|
|
|
|
|
self._delete_device_post(context, device_id, False)
|
|
|
|
|
|
|
|
|
|
def get_device(self, context, device_id, fields=None):
|
|
|
|
|
device_db = self._get_resource(context, Device, device_id)
|
|
|
|
|
device_db = self._get_resource(context, VNF, device_id)
|
|
|
|
|
return self._make_device_dict(device_db, fields)
|
|
|
|
|
|
|
|
|
|
def get_devices(self, context, filters=None, fields=None):
|
|
|
|
|
return self._get_collection(context, Device, self._make_device_dict,
|
|
|
|
|
return self._get_collection(context, VNF, self._make_device_dict,
|
|
|
|
|
filters=filters, fields=fields)
|
|
|
|
|
|
|
|
|
|
def set_device_error_status_reason(self, context, device_id, new_reason):
|
|
|
|
|
with context.session.begin(subtransactions=True):
|
|
|
|
|
(self._model_query(context, Device).
|
|
|
|
|
filter(Device.id == device_id).
|
|
|
|
|
(self._model_query(context, VNF).
|
|
|
|
|
filter(VNF.id == device_id).
|
|
|
|
|
update({'error_reason': new_reason}))
|
|
|
|
|
|
|
|
|
|
def _mark_device_status(self, device_id, exclude_status, new_status):
|
|
|
|
@ -498,9 +505,9 @@ class VNFMPluginDb(vnfm.VNFMPluginBase, db_base.CommonDbMixin):
|
|
|
|
|
with context.session.begin(subtransactions=True):
|
|
|
|
|
try:
|
|
|
|
|
device_db = (
|
|
|
|
|
self._model_query(context, Device).
|
|
|
|
|
filter(Device.id == device_id).
|
|
|
|
|
filter(~Device.status.in_(exclude_status)).
|
|
|
|
|
self._model_query(context, VNF).
|
|
|
|
|
filter(VNF.id == device_id).
|
|
|
|
|
filter(~VNF.status.in_(exclude_status)).
|
|
|
|
|
with_lockmode('update').one())
|
|
|
|
|
except orm_exc.NoResultFound:
|
|
|
|
|
LOG.warning(_('no device found %s'), device_id)
|
|
|
|
|