124 lines
4.2 KiB
Python
124 lines
4.2 KiB
Python
# Copyright 2017 Catalyst IT Limited
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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_log import log as logging
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from pecan import rest
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import requests
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import wsmeext.pecan as wsme_pecan
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from qinling.api.controllers.v1 import resources
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from qinling.api.controllers.v1 import types
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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 import rpc
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from qinling import status
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from qinling.utils import rest_utils
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LOG = logging.getLogger(__name__)
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class ExecutionsController(rest.RestController):
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def __init__(self, *args, **kwargs):
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self.engine_client = rpc.get_engine_client()
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super(ExecutionsController, 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.Execution,
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body=resources.Execution,
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status_code=201
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)
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def post(self, execution):
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params = execution.to_dict()
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LOG.info("Creating execution. [execution=%s]", params)
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function_id = params['function_id']
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is_sync = params.get('sync', True)
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func_url = None
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with db_api.transaction():
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func_db = db_api.get_function(function_id)
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# Increase function invoke count, the updated_at field will be also
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# updated.
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func_db.count = func_db.count + 1
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try:
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# Check if the service url is existing.
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mapping_db = db_api.get_function_service_mapping(function_id)
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LOG.info('Found Service url for function: %s', function_id)
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func_url = '%s/execute' % mapping_db.service_url
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LOG.info('Invoke function %s, url: %s', function_id, func_url)
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except exc.DBEntityNotFoundError:
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pass
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if func_url:
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r = requests.post(func_url, json=params.get('input'))
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params.update(
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{'status': 'success', 'output': {'result': r.json()}}
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)
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else:
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runtime_id = func_db.runtime_id
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runtime_db = db_api.get_runtime(runtime_id)
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if runtime_db.status != status.AVAILABLE:
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raise exc.RuntimeNotAvailableException(
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'Runtime %s is not available.' % runtime_id
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)
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params.update({'status': status.RUNNING})
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db_model = db_api.create_execution(params)
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if not func_url:
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self.engine_client.create_execution(
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db_model.id, function_id, runtime_id,
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input=params.get('input'),
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is_sync=is_sync
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)
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if is_sync:
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db_model = db_api.get_execution(db_model.id)
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return resources.Execution.from_dict(db_model.to_dict())
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(resources.Executions)
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def get_all(self):
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LOG.info("Get all executions.")
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executions = [resources.Execution.from_dict(db_model.to_dict())
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for db_model in db_api.get_executions()]
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return resources.Executions(executions=executions)
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(resources.Execution, types.uuid)
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def get(self, id):
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LOG.info("Fetch execution [id=%s]", id)
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execution_db = db_api.get_execution(id)
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return resources.Execution.from_dict(execution_db.to_dict())
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@rest_utils.wrap_wsme_controller_exception
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@wsme_pecan.wsexpose(None, types.uuid, status_code=204)
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def delete(self, id):
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"""Delete the specified Execution."""
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LOG.info("Delete execution [id=%s]", id)
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return db_api.delete_execution(id)
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