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qinling/qinling/api/controllers/v1/job.py

103 lines
3.5 KiB

# Copyright 2017 Catalyst IT Limited
#
# 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_config import cfg
from oslo_log import log as logging
from pecan import rest
import wsmeext.pecan as wsme_pecan
from qinling.api.controllers.v1 import resources
from qinling.api.controllers.v1 import types
from qinling.db import api as db_api
from qinling import exceptions as exc
from qinling import status
from qinling.utils import jobs
from qinling.utils.openstack import keystone as keystone_util
from qinling.utils import rest_utils
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
POST_REQUIRED = set(['function_id'])
class JobsController(rest.RestController):
type = 'job'
@rest_utils.wrap_wsme_controller_exception
@wsme_pecan.wsexpose(
resources.Job,
body=resources.Job,
status_code=201
)
def post(self, job):
"""Creates a new job."""
params = job.to_dict()
if not POST_REQUIRED.issubset(set(params.keys())):
raise exc.InputException(
'Required param is missing. Required: %s' % POST_REQUIRED
)
first_time, next_time, count = jobs.validate_job(params)
LOG.info("Creating %s, params: %s", self.type, params)
with db_api.transaction():
db_api.get_function(params['function_id'])
values = {
'name': params.get('name'),
'pattern': params.get('pattern'),
'first_execution_time': first_time,
'next_execution_time': next_time,
'count': count,
'function_id': params['function_id'],
'function_input': params.get('function_input') or {},
'status': status.RUNNING
}
if cfg.CONF.pecan.auth_enable:
values['trust_id'] = keystone_util.create_trust().id
try:
db_job = db_api.create_job(values)
except Exception:
# Delete trust before raising exception.
keystone_util.delete_trust(values.get('trust_id'))
raise
return resources.Job.from_dict(db_job.to_dict())
@rest_utils.wrap_wsme_controller_exception
@wsme_pecan.wsexpose(None, types.uuid, status_code=204)
def delete(self, id):
LOG.info("Delete resource.", resource={'type': self.type, 'id': id})
jobs.delete_job(id)
@rest_utils.wrap_wsme_controller_exception
@wsme_pecan.wsexpose(resources.Job, types.uuid)
def get(self, id):
LOG.info("Fetch resource.", resource={'type': self.type, 'id': id})
job_db = db_api.get_job(id)
return resources.Job.from_dict(job_db.to_dict())
@rest_utils.wrap_wsme_controller_exception
@wsme_pecan.wsexpose(resources.Jobs)
def get_all(self):
LOG.info("Get all %ss.", self.type)
jobs = [resources.Job.from_dict(db_model.to_dict())
for db_model in db_api.get_jobs()]
return resources.Jobs(jobs=jobs)