|
1
|
|
|
# Licensed to the StackStorm, Inc ('StackStorm') under one or more |
|
2
|
|
|
# contributor license agreements. See the NOTICE file distributed with |
|
3
|
|
|
# this work for additional information regarding copyright ownership. |
|
4
|
|
|
# The ASF licenses this file to You under the Apache License, Version 2.0 |
|
5
|
|
|
# (the "License"); you may not use this file except in compliance with |
|
6
|
|
|
# the License. You may obtain a copy of the License at |
|
7
|
|
|
# |
|
8
|
|
|
# http://www.apache.org/licenses/LICENSE-2.0 |
|
9
|
|
|
# |
|
10
|
|
|
# Unless required by applicable law or agreed to in writing, software |
|
11
|
|
|
# distributed under the License is distributed on an "AS IS" BASIS, |
|
12
|
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
13
|
|
|
# See the License for the specific language governing permissions and |
|
14
|
|
|
# limitations under the License. |
|
15
|
|
|
|
|
16
|
|
|
import os |
|
17
|
|
|
import sys |
|
18
|
|
|
|
|
19
|
|
|
import eventlet |
|
20
|
|
|
from oslo_config import cfg |
|
21
|
|
|
|
|
22
|
|
|
from st2common import log as logging |
|
23
|
|
|
from st2common.constants.timer import TIMER_ENABLED_LOG_LINE, TIMER_DISABLED_LOG_LINE |
|
24
|
|
|
from st2common.logging.misc import get_logger_name_for_module |
|
25
|
|
|
from st2common.service_setup import setup as common_setup |
|
26
|
|
|
from st2common.service_setup import teardown as common_teardown |
|
27
|
|
|
from st2common.util.monkey_patch import monkey_patch |
|
28
|
|
|
from st2reactor.rules import config |
|
29
|
|
|
from st2reactor.rules import worker |
|
30
|
|
|
from st2reactor.timer.base import St2Timer |
|
31
|
|
|
|
|
32
|
|
|
monkey_patch() |
|
33
|
|
|
|
|
34
|
|
|
|
|
35
|
|
|
LOGGER_NAME = get_logger_name_for_module(sys.modules[__name__]) |
|
36
|
|
|
LOG = logging.getLogger(LOGGER_NAME) |
|
37
|
|
|
|
|
38
|
|
|
|
|
39
|
|
|
def _setup(): |
|
40
|
|
|
common_setup(service='rulesengine', config=config, setup_db=True, register_mq_exchanges=True, |
|
41
|
|
|
register_signal_handlers=True) |
|
42
|
|
|
|
|
43
|
|
|
|
|
44
|
|
|
def _teardown(): |
|
45
|
|
|
common_teardown() |
|
46
|
|
|
|
|
47
|
|
|
|
|
48
|
|
|
def _kickoff_timer(timer): |
|
49
|
|
|
timer.start() |
|
50
|
|
|
|
|
51
|
|
|
|
|
52
|
|
|
def _run_worker(): |
|
53
|
|
|
LOG.info('(PID=%s) RulesEngine started.', os.getpid()) |
|
54
|
|
|
|
|
55
|
|
|
timer = None |
|
56
|
|
|
rules_engine_worker = worker.get_worker() |
|
57
|
|
|
|
|
58
|
|
|
try: |
|
59
|
|
|
timer_thread = None |
|
60
|
|
|
if cfg.CONF.timer.enable: |
|
61
|
|
|
timer = St2Timer(local_timezone=cfg.CONF.timer.local_timezone) |
|
62
|
|
|
timer_thread = eventlet.spawn(_kickoff_timer, timer) |
|
63
|
|
|
LOG.info(TIMER_ENABLED_LOG_LINE) |
|
64
|
|
|
else: |
|
65
|
|
|
LOG.info(TIMER_DISABLED_LOG_LINE) |
|
66
|
|
|
rules_engine_worker.start() |
|
67
|
|
|
if timer: |
|
68
|
|
|
return timer_thread.wait() and rules_engine_worker.wait() |
|
69
|
|
|
else: |
|
70
|
|
|
return rules_engine_worker.wait() |
|
71
|
|
|
except (KeyboardInterrupt, SystemExit): |
|
72
|
|
|
LOG.info('(PID=%s) RulesEngine stopped.', os.getpid()) |
|
73
|
|
|
rules_engine_worker.shutdown() |
|
74
|
|
|
except: |
|
75
|
|
|
LOG.exception('(PID:%s) RulesEngine quit due to exception.', os.getpid()) |
|
76
|
|
|
return 1 |
|
77
|
|
|
finally: |
|
78
|
|
|
if timer: |
|
79
|
|
|
timer.cleanup() |
|
80
|
|
|
|
|
81
|
|
|
return 0 |
|
82
|
|
|
|
|
83
|
|
|
|
|
84
|
|
|
def main(): |
|
85
|
|
|
try: |
|
86
|
|
|
_setup() |
|
87
|
|
|
return _run_worker() |
|
88
|
|
|
except SystemExit as exit_code: |
|
89
|
|
|
sys.exit(exit_code) |
|
90
|
|
|
except: |
|
91
|
|
|
LOG.exception('(PID=%s) RulesEngine quit due to exception.', os.getpid()) |
|
92
|
|
|
return 1 |
|
93
|
|
|
finally: |
|
94
|
|
|
_teardown() |
|
95
|
|
|
|
Plexxi /
st2
