mirror of
https://github.com/searxng/searxng.git
synced 2024-11-09 06:30:10 +01:00
3d96a9839a
This patch was generated by black [1]::
make format.python
[1] https://github.com/psf/black
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
128 lines
3.8 KiB
Python
128 lines
3.8 KiB
Python
# SPDX-License-Identifier: AGPL-3.0-or-later
|
|
# lint: pylint
|
|
# pylint: disable=missing-module-docstring
|
|
|
|
import json
|
|
import random
|
|
import time
|
|
import threading
|
|
import os
|
|
import signal
|
|
|
|
from searx import logger, settings, searx_debug
|
|
from searx.exceptions import SearxSettingsException
|
|
from searx.search.processors import PROCESSORS
|
|
from searx.search.checker import Checker
|
|
from searx.shared import schedule, storage
|
|
|
|
|
|
CHECKER_RESULT = 'CHECKER_RESULT'
|
|
running = threading.Lock()
|
|
|
|
|
|
def _get_interval(every, error_msg):
|
|
if isinstance(every, int):
|
|
every = (every, every)
|
|
if (
|
|
not isinstance(every, (tuple, list))
|
|
or len(every) != 2
|
|
or not isinstance(every[0], int)
|
|
or not isinstance(every[1], int)
|
|
):
|
|
raise SearxSettingsException(error_msg, None)
|
|
return every
|
|
|
|
|
|
def _get_every():
|
|
every = settings.get('checker', {}).get('scheduling', {}).get('every', (300, 1800))
|
|
return _get_interval(every, 'checker.scheduling.every is not a int or list')
|
|
|
|
|
|
def get_result():
|
|
serialized_result = storage.get_str(CHECKER_RESULT)
|
|
if serialized_result is not None:
|
|
return json.loads(serialized_result)
|
|
return {'status': 'unknown'}
|
|
|
|
|
|
def _set_result(result, include_timestamp=True):
|
|
if include_timestamp:
|
|
result['timestamp'] = int(time.time() / 3600) * 3600
|
|
storage.set_str(CHECKER_RESULT, json.dumps(result))
|
|
|
|
|
|
def run():
|
|
if not running.acquire(blocking=False): # pylint: disable=consider-using-with
|
|
return
|
|
try:
|
|
logger.info('Starting checker')
|
|
result = {'status': 'ok', 'engines': {}}
|
|
for name, processor in PROCESSORS.items():
|
|
logger.debug('Checking %s engine', name)
|
|
checker = Checker(processor)
|
|
checker.run()
|
|
if checker.test_results.succesfull:
|
|
result['engines'][name] = {'success': True}
|
|
else:
|
|
result['engines'][name] = {'success': False, 'errors': checker.test_results.errors}
|
|
|
|
_set_result(result)
|
|
logger.info('Check done')
|
|
except Exception: # pylint: disable=broad-except
|
|
_set_result({'status': 'error'})
|
|
logger.exception('Error while running the checker')
|
|
finally:
|
|
running.release()
|
|
|
|
|
|
def _run_with_delay():
|
|
every = _get_every()
|
|
delay = random.randint(0, every[1] - every[0])
|
|
logger.debug('Start checker in %i seconds', delay)
|
|
time.sleep(delay)
|
|
run()
|
|
|
|
|
|
def _start_scheduling():
|
|
every = _get_every()
|
|
if schedule(every[0], _run_with_delay):
|
|
run()
|
|
|
|
|
|
def _signal_handler(_signum, _frame):
|
|
t = threading.Thread(target=run)
|
|
t.daemon = True
|
|
t.start()
|
|
|
|
|
|
def initialize():
|
|
if hasattr(signal, 'SIGUSR1'):
|
|
# Windows doesn't support SIGUSR1
|
|
logger.info('Send SIGUSR1 signal to pid %i to start the checker', os.getpid())
|
|
signal.signal(signal.SIGUSR1, _signal_handler)
|
|
|
|
# disabled by default
|
|
_set_result({'status': 'disabled'}, include_timestamp=False)
|
|
|
|
# special case when debug is activate
|
|
if searx_debug and settings.get('checker', {}).get('off_when_debug', True):
|
|
logger.info('debug mode: checker is disabled')
|
|
return
|
|
|
|
# check value of checker.scheduling.every now
|
|
scheduling = settings.get('checker', {}).get('scheduling', None)
|
|
if scheduling is None or not scheduling:
|
|
logger.info('Checker scheduler is disabled')
|
|
return
|
|
|
|
#
|
|
_set_result({'status': 'unknown'}, include_timestamp=False)
|
|
|
|
start_after = scheduling.get('start_after', (300, 1800))
|
|
start_after = _get_interval(start_after, 'checker.scheduling.start_after is not a int or list')
|
|
delay = random.randint(start_after[0], start_after[1])
|
|
logger.info('Start checker in %i seconds', delay)
|
|
t = threading.Timer(delay, _start_scheduling)
|
|
t.daemon = True
|
|
t.start()
|