157 lines
5.5 KiB
Python
157 lines
5.5 KiB
Python
# Copyright 2018 OpenStack Foundation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_config import cfg
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from oslo_log import log as logging
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from pecan import rest
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from wsme import types as wtypes
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import wsmeext.pecan as wsme_pecan
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from qinling.api import access_control as acl
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from qinling.api.controllers.v1 import resources
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from qinling import context
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from qinling.db import api as db_api
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from qinling import exceptions as exc
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from qinling.utils import rest_utils
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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POST_REQUIRED = set(['name', 'function_id'])
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UPDATE_ALLOWED = set(['function_id', 'function_version', 'description'])
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class FunctionAliasesController(rest.RestController):
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def __init__(self, *args, **kwargs):
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self.type = 'function_alias'
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super(FunctionAliasesController, self).__init__(*args, **kwargs)
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(
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resources.FunctionAlias,
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body=resources.FunctionAlias,
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status_code=201
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)
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def post(self, body):
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"""Create a new alias for the specified function.
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The supported body params:
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- function_id: Required. Function id the alias points to.
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- name: Required. Alias name, must be unique within the project.
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- function_version: Optional. Version number the alias points to.
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- description: Optional. The description of the new alias.
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"""
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ctx = context.get_ctx()
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acl.enforce('function_alias:create', ctx)
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params = body.to_dict()
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if not POST_REQUIRED.issubset(set(params.keys())):
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raise exc.InputException(
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'Required param is missing. Required: %s' % POST_REQUIRED
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)
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LOG.info("Creating Alias, params: %s", params)
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values = {
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'function_id': params.get('function_id'),
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'name': params.get('name'),
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'function_version': params.get('function_version'),
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'description': params.get('description'),
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}
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alias = db_api.create_function_alias(**values)
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LOG.info("New alias created.")
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return resources.FunctionAlias.from_db_obj(alias)
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(resources.FunctionAlias, wtypes.text)
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def get(self, alias_name):
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acl.enforce('function_alias:get', context.get_ctx())
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LOG.info("Getting function alias %s.", alias_name)
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alias = db_api.get_function_alias(alias_name)
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return resources.FunctionAlias.from_db_obj(alias)
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(resources.FunctionAliases, bool, wtypes.text)
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def get_all(self, all_projects=False, project_id=None):
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"""Get all the function aliases.
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:param project_id: Optional. Admin user can query other projects
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resources, the param is ignored for normal user.
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:param all_projects: Optional. Get resources of all projects.
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"""
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ctx = context.get_ctx()
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project_id, all_projects = rest_utils.get_project_params(
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project_id, all_projects
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)
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if all_projects:
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acl.enforce('function_version:get_all:all_projects', ctx)
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filters = rest_utils.get_filters(project_id=project_id)
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LOG.info("Get all function aliases. filters=%s", filters)
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db_aliases = db_api.get_function_aliases(
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insecure=all_projects, **filters)
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aliases = [resources.FunctionAlias.from_db_obj(db_model)
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for db_model in db_aliases]
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return resources.FunctionAliases(function_aliases=aliases)
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@wsme_pecan.wsexpose(None, wtypes.text, status_code=204)
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def delete(self, alias_name):
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"""Delete a specific alias.
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"""
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ctx = context.get_ctx()
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acl.enforce('function_alias:delete', ctx)
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LOG.info("Deleting alias %s.", alias_name)
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db_api.delete_function_alias(alias_name)
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LOG.info("Alias %s deleted.", alias_name)
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(
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resources.FunctionAlias,
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wtypes.text,
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body=resources.FunctionAlias,
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)
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def put(self, alias_name, body):
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"""Update alias for the specified function.
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The supported body params:
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- function_id: Optional. Function id the alias point to.
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- function_version: Optional. Version number the alias point to.
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- description: Optional. The description of the alias.
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"""
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ctx = context.get_ctx()
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acl.enforce('function_alias:update', ctx)
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params = body.to_dict()
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values = {}
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for key in UPDATE_ALLOWED:
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if params.get(key) is not None:
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values.update({key: params[key]})
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LOG.info("Updating Alias %s, params: %s", alias_name, values)
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alias = db_api.update_function_alias(alias_name, **values)
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LOG.info("Alias updated.")
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return resources.FunctionAlias.from_db_obj(alias)
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