218 lines
9.0 KiB
Python
218 lines
9.0 KiB
Python
# Copyright (c) 2015 Huawei Tech. Co., Ltd.
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# All Rights Reserved.
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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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import pecan
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from pecan import expose
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from pecan import rest
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import oslo_db.exception as db_exc
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import tricircle.common.context as t_context
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from tricircle.common.i18n import _
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from tricircle.common import utils
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from tricircle.db import core
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from tricircle.db import models
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class FlavorManageController(rest.RestController):
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# NOTE(zhiyuan) according to nova API reference, flavor creating and
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# deleting should use '/flavors/os-flavor-manage' path, but '/flavors/'
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# also supports this two operations to keep compatible with nova client
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def __init__(self, project_id):
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self.project_id = project_id
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@expose(generic=True, template='json')
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def post(self, **kw):
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context = t_context.extract_context_from_environ()
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if not context.is_admin:
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return utils.format_nova_error(
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403, _("Policy doesn't allow os_compute_api:os-flavor-manage "
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"to be performed."))
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required_fields = ['name', 'ram', 'vcpus', 'disk']
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if 'flavor' not in kw:
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utils.format_nova_error(400, _('flavor is not set'))
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if not utils.validate_required_fields_set(kw['flavor'],
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required_fields):
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utils.format_nova_error(
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400, _('Invalid input for field/attribute flavor.'))
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flavor_dict = {
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'name': kw['flavor']['name'],
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'flavorid': kw['flavor'].get('id'),
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'memory_mb': kw['flavor']['ram'],
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'vcpus': kw['flavor']['vcpus'],
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'root_gb': kw['flavor']['disk'],
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'ephemeral_gb': kw['flavor'].get('OS-FLV-EXT-DATA:ephemeral', 0),
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'swap': kw['flavor'].get('swap', 0),
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'rxtx_factor': kw['flavor'].get('rxtx_factor', 1.0),
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'is_public': kw['flavor'].get('os-flavor-access:is_public', True),
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}
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try:
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with context.session.begin():
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flavor = core.create_resource(
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context, models.InstanceTypes, flavor_dict)
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except db_exc.DBDuplicateEntry as e:
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if 'flavorid' in e.columns:
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return utils.format_nova_error(
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409, _('Flavor with ID %s already '
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'exists.') % flavor_dict['flavorid'])
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else:
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return utils.format_nova_error(
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409, _('Flavor with name %s already '
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'exists.') % flavor_dict['name'])
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except Exception:
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return utils.format_nova_error(500, _('Failed to create flavor'))
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return {'flavor': flavor}
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@expose(generic=True, template='json')
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def delete(self, _id):
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context = t_context.extract_context_from_environ()
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try:
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with context.session.begin():
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flavors = core.query_resource(context, models.InstanceTypes,
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[{'key': 'flavorid',
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'comparator': 'eq',
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'value': _id}], [])
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if not flavors:
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return utils.format_nova_error(
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404, _('Flavor %s could not be found') % _id)
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core.delete_resource(context, models.InstanceTypes,
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flavors[0]['id'])
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except Exception:
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return utils.format_nova_error(500, _('Failed to delete flavor'))
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pecan.response.status = 202
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return
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class FlavorController(rest.RestController):
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def __init__(self, project_id):
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self.project_id = project_id
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@pecan.expose()
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def _lookup(self, action, *remainder):
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if action == 'os-flavor-manage':
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return FlavorManageController(self.project_id), remainder
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@expose(generic=True, template='json')
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def post(self, **kw):
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context = t_context.extract_context_from_environ()
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if not context.is_admin:
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return utils.format_nova_error(
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403, _("Policy doesn't allow os_compute_api:os-flavor-manage "
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"to be performed."))
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required_fields = ['name', 'ram', 'vcpus', 'disk']
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if 'flavor' not in kw:
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utils.format_nova_error(400, _('flavor is not set'))
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if not utils.validate_required_fields_set(kw['flavor'],
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required_fields):
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utils.format_nova_error(
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400, _('Invalid input for field/attribute flavor.'))
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flavor_dict = {
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'name': kw['flavor']['name'],
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'flavorid': kw['flavor'].get('id'),
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'memory_mb': kw['flavor']['ram'],
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'vcpus': kw['flavor']['vcpus'],
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'root_gb': kw['flavor']['disk'],
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'ephemeral_gb': kw['flavor'].get('OS-FLV-EXT-DATA:ephemeral', 0),
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'swap': kw['flavor'].get('swap', 0),
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'rxtx_factor': kw['flavor'].get('rxtx_factor', 1.0),
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'is_public': kw['flavor'].get('os-flavor-access:is_public', True),
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}
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try:
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with context.session.begin():
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flavor = core.create_resource(
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context, models.InstanceTypes, flavor_dict)
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except db_exc.DBDuplicateEntry as e:
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if 'flavorid' in e.columns:
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return utils.format_nova_error(
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409, _('Flavor with ID %s already '
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'exists.') % flavor_dict['flavorid'])
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else:
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return utils.format_nova_error(
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409, _('Flavor with name %s already '
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'exists.') % flavor_dict['name'])
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except Exception:
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utils.format_nova_error(500, _('Failed to create flavor'))
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flavor['id'] = flavor['flavorid']
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del flavor['flavorid']
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return {'flavor': flavor}
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@expose(generic=True, template='json')
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def get_one(self, _id):
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# NOTE(zhiyuan) this function handles two kinds of requests
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# GET /flavors/flavor_id
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# GET /flavors/detail
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context = t_context.extract_context_from_environ()
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if _id == 'detail':
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with context.session.begin():
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flavors = core.query_resource(context, models.InstanceTypes,
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[], [])
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for flavor in flavors:
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flavor['id'] = flavor['flavorid']
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del flavor['flavorid']
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return {'flavors': flavors}
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else:
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with context.session.begin():
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flavors = core.query_resource(context, models.InstanceTypes,
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[{'key': 'flavorid',
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'comparator': 'eq',
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'value': _id}], [])
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if not flavors:
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return utils.format_nova_error(
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404, _('Flavor %s could not be found') % _id)
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flavor = flavors[0]
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flavor['id'] = flavor['flavorid']
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del flavor['flavorid']
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return {'flavor': flavor}
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@expose(generic=True, template='json')
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def get_all(self):
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context = t_context.extract_context_from_environ()
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with context.session.begin():
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flavors = core.query_resource(context, models.InstanceTypes,
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[], [])
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return {'flavors': [dict(
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[('id', flavor['flavorid']),
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('name', flavor['name'])]) for flavor in flavors]}
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@expose(generic=True, template='json')
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def delete(self, _id):
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# TODO(zhiyuan) handle foreign key constraint
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context = t_context.extract_context_from_environ()
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try:
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with context.session.begin():
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flavors = core.query_resource(context, models.InstanceTypes,
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[{'key': 'flavorid',
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'comparator': 'eq',
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'value': _id}], [])
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if not flavors:
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return utils.format_nova_error(
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404, _('Flavor %s could not be found') % _id)
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core.delete_resource(context,
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models.InstanceTypes, flavors[0]['id'])
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except Exception:
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return utils.format_nova_error(500, _('Failed to delete flavor'))
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pecan.response.status = 202
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return
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