deb-murano/muranoapi/common/engine.py
Steve McLellan a3004cd5cf Log unhandled exceptions during task execution
Partially implements blueprint improve-engine-logging
Change-Id: I65196d3216d1c35b7f1d53c1c1e0f0421ecc7c68
2014-05-05 10:06:43 -05:00

102 lines
3.6 KiB
Python

# Copyright (c) 2014 Mirantis Inc.
#
# 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.
import uuid
import anyjson
from oslo import messaging
from oslo.messaging import target
from muranoapi.common import config
from muranoapi.common.helpers import token_sanitizer
from muranoapi.common import rpc
from muranoapi.dsl import executor
from muranoapi.dsl import results_serializer
from muranoapi.engine import environment
from muranoapi.engine import package_class_loader
from muranoapi.engine import package_loader
from muranoapi.engine.system import status_reporter
import muranoapi.engine.system.system_objects as system_objects
from muranoapi.openstack.common.gettextutils import _ # noqa
from muranoapi.openstack.common import log as logging
RPC_SERVICE = None
LOG = logging.getLogger(__name__)
class TaskProcessingEndpoint(object):
@staticmethod
def handle_task(context, task):
s_task = token_sanitizer.TokenSanitizer().sanitize(task)
LOG.info(_('Starting processing task: {task_desc}').format(
task_desc=anyjson.dumps(s_task)))
env = environment.Environment()
env.token = task['token']
env.tenant_id = task['tenant_id']
LOG.debug('Processing new task: {0}'.format(task))
try:
with package_loader.ApiPackageLoader(env.token, env.tenant_id) as \
pkg_loader:
class_loader = package_class_loader.PackageClassLoader(
pkg_loader)
system_objects.register(class_loader, pkg_loader)
exc = executor.MuranoDslExecutor(class_loader, env)
obj = exc.load(task['model'])
try:
if obj is not None:
obj.type.invoke('deploy', exc, obj, {})
except Exception as e:
reporter = status_reporter.StatusReporter()
reporter.initialize(obj)
reporter.report_error(obj, '{0}'.format(e))
finally:
s_res = results_serializer.serialize(obj, exc)
rpc.api().process_result(s_res)
except Exception as e:
# TODO(gokrokve) report error here
# TODO(slagun) code below needs complete rewrite and redesign
LOG.exception("Error during task execution for tenant %s",
env.tenant_id)
msg_env = Environment(task['model']['Objects']['?']['id'])
reporter = status_reporter.StatusReporter()
reporter.initialize(msg_env)
reporter.report_error(msg_env, '{0}'.format(e))
rpc.api().process_result(task['model'])
def _prepare_rpc_service(server_id):
endpoints = [TaskProcessingEndpoint()]
transport = messaging.get_transport(config.CONF)
s_target = target.Target('murano', 'tasks', server=server_id)
return messaging.get_rpc_server(transport, s_target, endpoints, 'eventlet')
def get_rpc_service():
global RPC_SERVICE
if RPC_SERVICE is None:
RPC_SERVICE = _prepare_rpc_service(str(uuid.uuid4()))
return RPC_SERVICE
class Environment:
def __init__(self, object_id):
self.object_id = object_id