meteos/meteos/api/v1/models.py

217 lines
7.5 KiB
Python

# Copyright 2013 NetApp
# All Rights Reserved.
# Copyright (c) 2016 NEC Corporation.
#
# 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.
"""The models api."""
from oslo_log import log
import six
import webob
from webob import exc
from meteos.api import common
from meteos.api.openstack import wsgi
from meteos.api.views import models as model_views
from meteos import exception
from meteos.i18n import _, _LI
from meteos import engine
LOG = log.getLogger(__name__)
class ModelMixin(object):
"""Mixin class for Model API Controllers."""
def _load(self, req, id, body):
"""Load model for online prediction"""
context = req.environ['meteos.context']
LOG.debug("Load model with request: %s", id)
try:
model = self.engine_api.get_model(context, id)
experiment = self.engine_api.get_experiment(
context, model.experiment_id)
template = self.engine_api.get_template(
context, experiment.template_id)
except exception.NotFound:
raise exc.HTTPNotFound()
self.engine_api.load_model(context,
id,
model.dataset_format,
model.model_type,
template.job_template_id,
model.experiment_id,
model.cluster_id)
return {'model': {'id': id}}
def _unload(self, req, id, body):
"""Unload model for online prediction"""
context = req.environ['meteos.context']
LOG.debug("Unload model with request: %s", id)
try:
model = self.engine_api.get_model(context, id)
experiment = self.engine_api.get_experiment(
context, model.experiment_id)
template = self.engine_api.get_template(
context, experiment.template_id)
except exception.NotFound:
raise exc.HTTPNotFound()
self.engine_api.unload_model(context,
id,
model.dataset_format,
model.model_type,
template.job_template_id,
model.experiment_id,
model.cluster_id)
return {'model': {'id': id}}
class ModelController(wsgi.Controller, ModelMixin, wsgi.AdminActionsMixin):
"""The Models API v1 controller for the OpenStack API."""
resource_name = 'model'
_view_builder_class = model_views.ViewBuilder
def __init__(self):
super(self.__class__, self).__init__()
self.engine_api = engine.API()
def show(self, req, id):
"""Return data about the given model."""
context = req.environ['meteos.context']
try:
model = self.engine_api.get_model(context, id)
except exception.NotFound:
raise exc.HTTPNotFound()
return self._view_builder.detail(req, model)
def delete(self, req, id):
"""Delete a model."""
context = req.environ['meteos.context']
LOG.info(_LI("Delete model with id: %s"), id, context=context)
try:
self.engine_api.delete_model(context, id)
except exception.NotFound:
raise exc.HTTPNotFound()
except exception.InvalidLearning as e:
raise exc.HTTPForbidden(explanation=six.text_type(e))
return webob.Response(status_int=202)
def index(self, req):
"""Returns a summary list of models."""
return self._get_models(req, is_detail=False)
def detail(self, req):
"""Returns a detailed list of models."""
return self._get_models(req, is_detail=True)
def _get_models(self, req, is_detail):
"""Returns a list of models, transformed through view builder."""
context = req.environ['meteos.context']
search_opts = {}
search_opts.update(req.GET)
# Remove keys that are not related to model attrs
search_opts.pop('limit', None)
search_opts.pop('offset', None)
sort_key = search_opts.pop('sort_key', 'created_at')
sort_dir = search_opts.pop('sort_dir', 'desc')
models = self.engine_api.get_all_models(
context, search_opts=search_opts, sort_key=sort_key,
sort_dir=sort_dir)
limited_list = common.limited(models, req)
if is_detail:
models = self._view_builder.detail_list(req, limited_list)
else:
models = self._view_builder.summary_list(req, limited_list)
return models
def create(self, req, body):
"""Creates a new model."""
context = req.environ['meteos.context']
if not self.is_valid_body(body, 'model'):
raise exc.HTTPUnprocessableEntity()
model = body['model']
LOG.debug("Create model with request: %s", model)
try:
experiment = self.engine_api.get_experiment(
context, model['experiment_id'])
template = self.engine_api.get_template(
context, experiment.template_id)
except exception.NotFound:
raise exc.HTTPNotFound()
display_name = model.get('display_name')
display_description = model.get('display_description')
experiment_id = model.get('experiment_id')
source_dataset_url = model.get('source_dataset_url')
dataset_format = model.get('dataset_format', 'csv')
model_type = model.get('model_type')
model_params = model.get('model_params')
swift_tenant = model.get('swift_tenant')
swift_username = model.get('swift_username')
swift_password = model.get('swift_password')
new_model = self.engine_api.create_model(context,
display_name,
display_description,
source_dataset_url,
dataset_format,
model_type,
model_params,
template.id,
template.job_template_id,
experiment_id,
experiment.cluster_id,
swift_tenant,
swift_username,
swift_password)
return self._view_builder.detail(req, new_model)
@wsgi.action('os-load')
def load(self, req, id, body):
"""Load model."""
return self._load(req, id, body)
@wsgi.action('os-unload')
def unload(self, req, id, body):
"""Unload model."""
return self._unload(req, id, body)
def create_resource():
return wsgi.Resource(ModelController())