deb-mistral/mistral/services/periodic.py
Renat Akhmerov 65640667e2 Fixing cron trigger test
* Adding additional assertions to have more info if cron trigger
 test fails (which happens sometimes but it's hard to reproduce).
* Minor refactoring and style changes.

Change-Id: I0d2ddea212890b268fa7f51e457fd233f624cab5
2015-08-21 15:46:30 +06:00

92 lines
2.9 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright 2013 - 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.
from oslo_config import cfg
from oslo_log import log as logging
from oslo_service import periodic_task
from oslo_service import threadgroup
from mistral import context as auth_ctx
from mistral.db.v2 import api as db_api_v2
from mistral.engine import rpc
from mistral.services import security
from mistral.services import triggers
LOG = logging.getLogger(__name__)
CONF = cfg.CONF
class MistralPeriodicTasks(periodic_task.PeriodicTasks):
@periodic_task.periodic_task(spacing=1, run_immediately=True)
def process_cron_triggers_v2(self, ctx):
for t in triggers.get_next_cron_triggers():
LOG.debug("Processing cron trigger: %s" % t)
# Setup admin context before schedule triggers.
ctx = security.create_context(t.trust_id, t.project_id)
auth_ctx.set_ctx(ctx)
LOG.debug("Cron trigger security context: %s" % ctx)
try:
rpc.get_engine_client().start_workflow(
t.workflow.name,
t.workflow_input,
description="Workflow execution created by cron trigger.",
**t.workflow_params
)
finally:
if t.remaining_executions > 0:
t.remaining_executions -= 1
if t.remaining_executions == 0:
db_api_v2.delete_cron_trigger(t.name)
else: # if remaining execution = None or > 0
next_time = triggers.get_next_execution_time(
t.pattern,
t.next_execution_time
)
db_api_v2.update_cron_trigger(
t.name,
{
'next_execution_time': next_time,
'remaining_executions': t.remaining_executions
}
)
auth_ctx.set_ctx(None)
def setup():
tg = threadgroup.ThreadGroup()
pt = MistralPeriodicTasks(CONF)
ctx = auth_ctx.MistralContext(
user_id=None,
project_id=None,
auth_token=None,
is_admin=True
)
tg.add_dynamic_timer(
pt.run_periodic_tasks,
initial_delay=None,
periodic_interval_max=1,
context=ctx
)