156 lines
4.8 KiB
Python
156 lines
4.8 KiB
Python
# Copyright 2013 NetApp
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# All Rights Reserved.
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# Copyright (c) 2016 NEC Corporation.
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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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"""The learnings api."""
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import ast
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import re
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import string
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from oslo_log import log
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from oslo_utils import strutils
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from oslo_utils import uuidutils
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import six
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import webob
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from webob import exc
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from meteos.api import common
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from meteos.api.openstack import wsgi
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from meteos.api.views import learnings as learning_views
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from meteos import exception
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from meteos.i18n import _, _LI
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from meteos import engine
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LOG = log.getLogger(__name__)
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class LearningController(wsgi.Controller, wsgi.AdminActionsMixin):
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"""The Learnings API v1 controller for the OpenStack API."""
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resource_name = 'learning'
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_view_builder_class = learning_views.ViewBuilder
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def __init__(self):
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super(self.__class__, self).__init__()
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self.engine_api = engine.API()
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def show(self, req, id):
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"""Return data about the given learning."""
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context = req.environ['meteos.context']
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try:
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learning = self.engine_api.get_learning(context, id)
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except exception.NotFound:
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raise exc.HTTPNotFound()
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return self._view_builder.detail(req, learning)
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def delete(self, req, id):
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"""Delete a learning."""
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context = req.environ['meteos.context']
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LOG.info(_LI("Delete learning with id: %s"), id, context=context)
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try:
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self.engine_api.delete_learning(context, id)
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except exception.NotFound:
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raise exc.HTTPNotFound()
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except exception.InvalidLearning as e:
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raise exc.HTTPForbidden(explanation=six.text_type(e))
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return webob.Response(status_int=202)
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def index(self, req):
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"""Returns a summary list of learnings."""
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return self._get_learnings(req, is_detail=False)
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def detail(self, req):
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"""Returns a detailed list of learnings."""
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return self._get_learnings(req, is_detail=True)
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def _get_learnings(self, req, is_detail):
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"""Returns a list of learnings, transformed through view builder."""
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context = req.environ['meteos.context']
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search_opts = {}
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search_opts.update(req.GET)
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# Remove keys that are not related to learning attrs
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search_opts.pop('limit', None)
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search_opts.pop('offset', None)
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sort_key = search_opts.pop('sort_key', 'created_at')
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sort_dir = search_opts.pop('sort_dir', 'desc')
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learnings = self.engine_api.get_all_learnings(
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context, search_opts=search_opts, sort_key=sort_key,
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sort_dir=sort_dir)
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limited_list = common.limited(learnings, req)
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if is_detail:
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learnings = self._view_builder.detail_list(req, limited_list)
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else:
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learnings = self._view_builder.summary_list(req, limited_list)
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return learnings
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def create(self, req, body):
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"""Creates a new learning."""
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context = req.environ['meteos.context']
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if not self.is_valid_body(body, 'learning'):
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raise exc.HTTPUnprocessableEntity()
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learning = body['learning']
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LOG.debug("Create learning with request: %s", learning)
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try:
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self.engine_api.get_experiment(context, learning['experiment_id'])
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except exception.NotFound:
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raise exc.HTTPNotFound()
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display_name = learning.get('display_name')
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display_description = learning.get('display_description')
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experiment_id = learning.get('experiment_id')
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model_id = learning.get('model_id')
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method = learning.get('method')
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args = learning.get('args')
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try:
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experiment = self.engine_api.get_experiment(context, experiment_id)
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template = self.engine_api.get_template(
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context, experiment.template_id)
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except exception.NotFound:
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raise exc.HTTPNotFound()
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new_learning = self.engine_api.create_learning(
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context,
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display_name,
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display_description,
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model_id,
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method,
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args,
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template.id,
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template.job_template_id,
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experiment_id,
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experiment.cluster_id)
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return self._view_builder.detail(req, new_learning)
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def create_resource():
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return wsgi.Resource(LearningController())
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