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[enh] settings.yml: implement general.enable_metrics

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* allow not to record metrics (response time, etc...)
* this commit doesn't change the UI. If the metrics are disabled
  /stats and /stats/errors will return empty response.
  in /preferences, the columns response time and reliability will be empty.
This commit is contained in:
Alexandre Flament 2021-12-26 22:44:46 +01:00
parent a7199bc085
commit 2134703b4b
8 changed files with 35 additions and 11 deletions
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12
searx/metrics/__init__.py
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@ -9,7 +9,7 @@ from timeit import default_timer
from operator import itemgetter
from searx.engines import engines
from .models import HistogramStorage, CounterStorage
from .models import HistogramStorage, CounterStorage, VoidHistogram, VoidCounterStorage
from .error_recorder import count_error, count_exception, errors_per_engines
__all__ = [
@ -69,14 +69,18 @@ def counter(*args):
return counter_storage.get(*args)
def initialize(engine_names=None):
def initialize(engine_names=None, enabled=True):
"""
Initialize metrics
"""
global counter_storage, histogram_storage # pylint: disable=global-statement
counter_storage = CounterStorage()
histogram_storage = HistogramStorage()
if enabled:
counter_storage = CounterStorage()
histogram_storage = HistogramStorage()
else:
counter_storage = VoidCounterStorage()
histogram_storage = HistogramStorage(histogram_class=VoidHistogram)
# max_timeout = max of all the engine.timeout
max_timeout = 2