213 lines
9.8 KiB
Python
213 lines
9.8 KiB
Python
# Copyright 2014 Rackspace
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# Copyright 2016 Blue Box, an IBM Company
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_db import exception as odb_exceptions
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from oslo_log import log as logging
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from oslo_serialization import jsonutils
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from oslo_utils import excutils
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from oslo_utils import uuidutils
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from pecan import request as pecan_request
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from sqlalchemy.orm import exc as sa_exception
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from wsme import types as wtypes
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from wsmeext import pecan as wsme_pecan
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from octavia.api.drivers import driver_factory
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from octavia.api.drivers import utils as driver_utils
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from octavia.api.v2.controllers import base
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from octavia.api.v2.types import flavor_profile as profile_types
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from octavia.common import constants
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from octavia.common import exceptions
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from octavia.db import api as db_api
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LOG = logging.getLogger(__name__)
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class FlavorProfileController(base.BaseController):
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RBAC_TYPE = constants.RBAC_FLAVOR_PROFILE
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def __init__(self):
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super(FlavorProfileController, self).__init__()
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@wsme_pecan.wsexpose(profile_types.FlavorProfileRootResponse, wtypes.text,
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[wtypes.text], ignore_extra_args=True)
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def get_one(self, id, fields=None):
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"""Gets a flavor profile's detail."""
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context = pecan_request.context.get('octavia_context')
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self._auth_validate_action(context, context.project_id,
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constants.RBAC_GET_ONE)
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if id == constants.NIL_UUID:
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raise exceptions.NotFound(resource='Flavor profile',
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id=constants.NIL_UUID)
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db_flavor_profile = self._get_db_flavor_profile(context.session, id)
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result = self._convert_db_to_type(db_flavor_profile,
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profile_types.FlavorProfileResponse)
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if fields is not None:
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result = self._filter_fields([result], fields)[0]
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return profile_types.FlavorProfileRootResponse(flavorprofile=result)
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@wsme_pecan.wsexpose(profile_types.FlavorProfilesRootResponse,
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[wtypes.text], ignore_extra_args=True)
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def get_all(self, fields=None):
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"""Lists all flavor profiles."""
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pcontext = pecan_request.context
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context = pcontext.get('octavia_context')
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self._auth_validate_action(context, context.project_id,
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constants.RBAC_GET_ALL)
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db_flavor_profiles, links = self.repositories.flavor_profile.get_all(
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context.session,
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pagination_helper=pcontext.get(constants.PAGINATION_HELPER))
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result = self._convert_db_to_type(
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db_flavor_profiles, [profile_types.FlavorProfileResponse])
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if fields is not None:
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result = self._filter_fields(result, fields)
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return profile_types.FlavorProfilesRootResponse(
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flavorprofiles=result, flavorprofile_links=links)
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@wsme_pecan.wsexpose(profile_types.FlavorProfileRootResponse,
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body=profile_types.FlavorProfileRootPOST,
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status_code=201)
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def post(self, flavor_profile_):
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"""Creates a flavor Profile."""
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flavorprofile = flavor_profile_.flavorprofile
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context = pecan_request.context.get('octavia_context')
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self._auth_validate_action(context, context.project_id,
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constants.RBAC_POST)
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# Do a basic JSON validation on the metadata
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try:
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flavor_data_dict = jsonutils.loads(flavorprofile.flavor_data)
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except Exception:
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raise exceptions.InvalidOption(
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value=flavorprofile.flavor_data,
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option=constants.FLAVOR_DATA)
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# Validate that the provider driver supports the metadata
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driver = driver_factory.get_driver(flavorprofile.provider_name)
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driver_utils.call_provider(driver.name, driver.validate_flavor,
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flavor_data_dict)
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lock_session = db_api.get_session(autocommit=False)
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try:
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flavorprofile_dict = flavorprofile.to_dict(render_unsets=True)
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flavorprofile_dict['id'] = uuidutils.generate_uuid()
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db_flavor_profile = self.repositories.flavor_profile.create(
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lock_session, **flavorprofile_dict)
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lock_session.commit()
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except odb_exceptions.DBDuplicateEntry:
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lock_session.rollback()
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raise exceptions.IDAlreadyExists()
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except Exception:
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with excutils.save_and_reraise_exception():
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lock_session.rollback()
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result = self._convert_db_to_type(
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db_flavor_profile, profile_types.FlavorProfileResponse)
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return profile_types.FlavorProfileRootResponse(flavorprofile=result)
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def _validate_update_fp(self, context, id, flavorprofile):
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if flavorprofile.name is None:
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raise exceptions.InvalidOption(value=None, option=constants.NAME)
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if flavorprofile.provider_name is None:
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raise exceptions.InvalidOption(value=None,
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option=constants.PROVIDER_NAME)
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if flavorprofile.flavor_data is None:
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raise exceptions.InvalidOption(value=None,
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option=constants.FLAVOR_DATA)
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# Don't allow changes to the flavor_data or provider_name if it
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# is in use.
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if (not isinstance(flavorprofile.flavor_data, wtypes.UnsetType) or
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not isinstance(flavorprofile.provider_name, wtypes.UnsetType)):
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if self.repositories.flavor.count(context.session,
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flavor_profile_id=id) > 0:
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raise exceptions.ObjectInUse(object='Flavor profile', id=id)
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@wsme_pecan.wsexpose(profile_types.FlavorProfileRootResponse,
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wtypes.text, status_code=200,
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body=profile_types.FlavorProfileRootPUT)
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def put(self, id, flavor_profile_):
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"""Updates a flavor Profile."""
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flavorprofile = flavor_profile_.flavorprofile
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context = pecan_request.context.get('octavia_context')
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self._auth_validate_action(context, context.project_id,
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constants.RBAC_PUT)
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self._validate_update_fp(context, id, flavorprofile)
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if id == constants.NIL_UUID:
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raise exceptions.NotFound(resource='Flavor profile',
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id=constants.NIL_UUID)
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if not isinstance(flavorprofile.flavor_data, wtypes.UnsetType):
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# Do a basic JSON validation on the metadata
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try:
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flavor_data_dict = jsonutils.loads(flavorprofile.flavor_data)
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except Exception:
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raise exceptions.InvalidOption(
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value=flavorprofile.flavor_data,
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option=constants.FLAVOR_DATA)
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if isinstance(flavorprofile.provider_name, wtypes.UnsetType):
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db_flavor_profile = self._get_db_flavor_profile(
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context.session, id)
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provider_driver = db_flavor_profile.provider_name
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else:
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provider_driver = flavorprofile.provider_name
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# Validate that the provider driver supports the metadata
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driver = driver_factory.get_driver(provider_driver)
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driver_utils.call_provider(driver.name, driver.validate_flavor,
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flavor_data_dict)
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lock_session = db_api.get_session(autocommit=False)
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try:
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flavorprofile_dict = flavorprofile.to_dict(render_unsets=False)
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if flavorprofile_dict:
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self.repositories.flavor_profile.update(lock_session, id,
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**flavorprofile_dict)
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lock_session.commit()
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except Exception:
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with excutils.save_and_reraise_exception():
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lock_session.rollback()
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# Force SQL alchemy to query the DB, otherwise we get inconsistent
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# results
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context.session.expire_all()
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db_flavor_profile = self._get_db_flavor_profile(context.session, id)
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result = self._convert_db_to_type(
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db_flavor_profile, profile_types.FlavorProfileResponse)
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return profile_types.FlavorProfileRootResponse(flavorprofile=result)
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@wsme_pecan.wsexpose(None, wtypes.text, status_code=204)
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def delete(self, flavor_profile_id):
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"""Deletes a Flavor Profile"""
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context = pecan_request.context.get('octavia_context')
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self._auth_validate_action(context, context.project_id,
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constants.RBAC_DELETE)
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if flavor_profile_id == constants.NIL_UUID:
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raise exceptions.NotFound(resource='Flavor profile',
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id=constants.NIL_UUID)
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# Don't allow it to be deleted if it is in use by a flavor
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if self.repositories.flavor.count(
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context.session, flavor_profile_id=flavor_profile_id) > 0:
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raise exceptions.ObjectInUse(object='Flavor profile',
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id=flavor_profile_id)
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try:
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self.repositories.flavor_profile.delete(context.session,
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id=flavor_profile_id)
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except sa_exception.NoResultFound:
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raise exceptions.NotFound(resource='Flavor profile',
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id=flavor_profile_id)
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