# octavia.api.v2.controllers.flavor_profiles

# Source code for octavia.api.v2.controllers.flavor_profiles

    #    Copyright 2014 Rackspace
    #    Copyright 2016 Blue Box, an IBM Company
    #
    #    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 import exception as odb_exceptions
    from oslo_log import log as logging
    from oslo_serialization import jsonutils
    from oslo_utils import excutils
    from oslo_utils import uuidutils
    from pecan import request as pecan_request
    from sqlalchemy.orm import exc as sa_exception
    from wsme import types as wtypes
    from wsmeext import pecan as wsme_pecan

    from octavia.api.drivers import driver_factory
    from octavia.api.drivers import utils as driver_utils
    from octavia.api.v2.controllers import base
    from octavia.api.v2.types import flavor_profile as profile_types
    from octavia.common import constants
    from octavia.common import exceptions

    LOG = logging.getLogger(__name__)

    class FlavorProfileController(base.BaseController):
        RBAC_TYPE = constants.RBAC_FLAVOR_PROFILE

        def __init__(self):
            super().__init__()

        @wsme_pecan.wsexpose(profile_types.FlavorProfileRootResponse, wtypes.text,
                             [wtypes.text], ignore_extra_args=True)
        def get_one(self, id, fields=None):
            """Gets a flavor profile's detail."""
            context = pecan_request.context.get('octavia_context')
            self._auth_validate_action(context, context.project_id,
                                       constants.RBAC_GET_ONE)
            if id == constants.NIL_UUID:
                raise exceptions.NotFound(resource='Flavor profile',
                                          id=constants.NIL_UUID)
            with context.session.begin():
                db_flavor_profile = self._get_db_flavor_profile(context.session,
                                                                id)
            result = self._convert_db_to_type(db_flavor_profile,
                                              profile_types.FlavorProfileResponse)
            if fields is not None:
                result = self._filter_fields([result], fields)[0]
            return profile_types.FlavorProfileRootResponse(flavorprofile=result)

        @wsme_pecan.wsexpose(profile_types.FlavorProfilesRootResponse,
                             [wtypes.text], ignore_extra_args=True)
        def get_all(self, fields=None):
            """Lists all flavor profiles."""
            pcontext = pecan_request.context
            context = pcontext.get('octavia_context')
            self._auth_validate_action(context, context.project_id,
                                       constants.RBAC_GET_ALL)
            with context.session.begin():
                db_flavor_profiles, links = (
                    self.repositories.flavor_profile.get_all(
                        context.session,
                        pagination_helper=pcontext.get(
                            constants.PAGINATION_HELPER)))
            result = self._convert_db_to_type(
                db_flavor_profiles, [profile_types.FlavorProfileResponse])
            if fields is not None:
                result = self._filter_fields(result, fields)
            return profile_types.FlavorProfilesRootResponse(
                flavorprofiles=result, flavorprofile_links=links)

        @wsme_pecan.wsexpose(profile_types.FlavorProfileRootResponse,
                             body=profile_types.FlavorProfileRootPOST,
                             status_code=201)
        def post(self, flavor_profile_):
            """Creates a flavor Profile."""
            flavorprofile = flavor_profile_.flavorprofile
            context = pecan_request.context.get('octavia_context')
            self._auth_validate_action(context, context.project_id,
                                       constants.RBAC_POST)
            # Do a basic JSON validation on the metadata
            try:
                flavor_data_dict = jsonutils.loads(flavorprofile.flavor_data)
            except Exception as e:
                raise exceptions.InvalidOption(
                    value=flavorprofile.flavor_data,
                    option=constants.FLAVOR_DATA) from e

            # Validate that the provider driver supports the metadata
            driver = driver_factory.get_driver(flavorprofile.provider_name)
            driver_utils.call_provider(driver.name, driver.validate_flavor,
                                       flavor_data_dict)

            context.session.begin()
            try:
                flavorprofile_dict = flavorprofile.to_dict(render_unsets=True)
                flavorprofile_dict['id'] = uuidutils.generate_uuid()
                db_flavor_profile = self.repositories.flavor_profile.create(
                    context.session, **flavorprofile_dict)
                context.session.commit()
            except odb_exceptions.DBDuplicateEntry as e:
                context.session.rollback()
                raise exceptions.IDAlreadyExists() from e
            except Exception:
                with excutils.save_and_reraise_exception():
                    context.session.rollback()
            result = self._convert_db_to_type(
                db_flavor_profile, profile_types.FlavorProfileResponse)
            return profile_types.FlavorProfileRootResponse(flavorprofile=result)

        def _validate_update_fp(self, context, id, flavorprofile):
            if flavorprofile.name is None:
                raise exceptions.InvalidOption(value=None, option=constants.NAME)
            if flavorprofile.provider_name is None:
                raise exceptions.InvalidOption(value=None,
                                               option=constants.PROVIDER_NAME)
            if flavorprofile.flavor_data is None:
                raise exceptions.InvalidOption(value=None,
                                               option=constants.FLAVOR_DATA)

            # Don't allow changes to the flavor_data or provider_name if it
            # is in use.
            if (not isinstance(flavorprofile.flavor_data, wtypes.UnsetType) or
                    not isinstance(flavorprofile.provider_name, wtypes.UnsetType)):
                if self.repositories.flavor.count(context.session,
                                                  flavor_profile_id=id) > 0:
                    raise exceptions.ObjectInUse(object='Flavor profile', id=id)

        @wsme_pecan.wsexpose(profile_types.FlavorProfileRootResponse,
                             wtypes.text, status_code=200,
                             body=profile_types.FlavorProfileRootPUT)
        def put(self, id, flavor_profile_):
            """Updates a flavor Profile."""
            flavorprofile = flavor_profile_.flavorprofile
            context = pecan_request.context.get('octavia_context')
            self._auth_validate_action(context, context.project_id,
                                       constants.RBAC_PUT)

            with context.session.begin():
                self._validate_update_fp(context, id, flavorprofile)
            if id == constants.NIL_UUID:
                raise exceptions.NotFound(resource='Flavor profile',
                                          id=constants.NIL_UUID)

            if not isinstance(flavorprofile.flavor_data, wtypes.UnsetType):
                # Do a basic JSON validation on the metadata
                try:
                    flavor_data_dict = jsonutils.loads(flavorprofile.flavor_data)
                except Exception as e:
                    raise exceptions.InvalidOption(
                        value=flavorprofile.flavor_data,
                        option=constants.FLAVOR_DATA) from e

                if isinstance(flavorprofile.provider_name, wtypes.UnsetType):
                    with context.session.begin():
                        db_flavor_profile = self._get_db_flavor_profile(
                            context.session, id)
                    provider_driver = db_flavor_profile.provider_name
                else:
                    provider_driver = flavorprofile.provider_name

                # Validate that the provider driver supports the metadata
                driver = driver_factory.get_driver(provider_driver)
                driver_utils.call_provider(driver.name, driver.validate_flavor,
                                           flavor_data_dict)

            context.session.begin()
            try:
                flavorprofile_dict = flavorprofile.to_dict(render_unsets=False)
                if flavorprofile_dict:
                    self.repositories.flavor_profile.update(context.session, id,
                                                            **flavorprofile_dict)
                context.session.commit()
            except Exception:
                with excutils.save_and_reraise_exception():
                    context.session.rollback()

            # Force SQL alchemy to query the DB, otherwise we get inconsistent
            # results
            context.session.expire_all()
            with context.session.begin():
                db_flavor_profile = self._get_db_flavor_profile(context.session,
                                                                id)
            result = self._convert_db_to_type(
                db_flavor_profile, profile_types.FlavorProfileResponse)
            return profile_types.FlavorProfileRootResponse(flavorprofile=result)

        @wsme_pecan.wsexpose(None, wtypes.text, status_code=204)
        def delete(self, flavor_profile_id):
            """Deletes a Flavor Profile"""
            context = pecan_request.context.get('octavia_context')

            self._auth_validate_action(context, context.project_id,
                                       constants.RBAC_DELETE)

            if flavor_profile_id == constants.NIL_UUID:
                raise exceptions.NotFound(resource='Flavor profile',
                                          id=constants.NIL_UUID)

            # Don't allow it to be deleted if it is in use by a flavor
            with context.session.begin():
                if self.repositories.flavor.count(
                        context.session, flavor_profile_id=flavor_profile_id) > 0:
                    raise exceptions.ObjectInUse(object='Flavor profile',
                                                 id=flavor_profile_id)
                try:
                    self.repositories.flavor_profile.delete(context.session,
                                                            id=flavor_profile_id)
                except sa_exception.NoResultFound as e:
                    raise exceptions.NotFound(
                        resource='Flavor profile', id=flavor_profile_id) from e

this page last updated: 2025-10-06 11:22:08

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