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[mod] metrics: add secondary parameter 

Some error won't stop the engine:
* additional HTTP redirects for example
* some invalid results

secondary=True allows to flag these errors as not important.
This commit is contained in:
Alexandre Flament 2021-04-17 18:15:50 +02:00
parent 7acd7ffc02
commit c27fef1cde
3 changed files with 19 additions and 14 deletions
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28
searx/metrics/error_recorder.py
View File

@ -13,9 +13,10 @@ errors_per_engines = {}
class ErrorContext:
__slots__ = 'filename', 'function', 'line_no', 'code', 'exception_classname', 'log_message', 'log_parameters'
__slots__ = ('filename', 'function', 'line_no', 'code', 'exception_classname',
'log_message', 'log_parameters', 'secondary')
def __init__(self, filename, function, line_no, code, exception_classname, log_message, log_parameters):
def __init__(self, filename, function, line_no, code, exception_classname, log_message, log_parameters, secondary):
self.filename = filename
self.function = function
self.line_no = line_no
@ -23,22 +24,24 @@ class ErrorContext:
self.exception_classname = exception_classname
self.log_message = log_message
self.log_parameters = log_parameters
self.secondary = secondary
def __eq__(self, o) -> bool:
if not isinstance(o, ErrorContext):
return False
return self.filename == o.filename and self.function == o.function and self.line_no == o.line_no\
and self.code == o.code and self.exception_classname == o.exception_classname\
and self.log_message == o.log_message and self.log_parameters == o.log_parameters
and self.log_message == o.log_message and self.log_parameters == o.log_parameters \
and self.secondary == o.secondary
def __hash__(self):
return hash((self.filename, self.function, self.line_no, self.code, self.exception_classname, self.log_message,
self.log_parameters))
self.log_parameters, self.secondary))
def __repr__(self):
return "ErrorContext({!r}, {!r}, {!r}, {!r}, {!r}, {!r})".\
return "ErrorContext({!r}, {!r}, {!r}, {!r}, {!r}, {!r}) {!r}".\
format(self.filename, self.line_no, self.code, self.exception_classname, self.log_message,
self.log_parameters)
self.log_parameters, self.secondary)
def add_error_context(engine_name: str, error_context: ErrorContext) -> None:
@ -111,31 +114,32 @@ def get_exception_classname(exc: Exception) -> str:
return exc_module + '.' + exc_name
def get_error_context(framerecords, exception_classname, log_message, log_parameters) -> ErrorContext:
def get_error_context(framerecords, exception_classname, log_message, log_parameters, secondary) -> ErrorContext:
searx_frame = get_trace(framerecords)
filename = searx_frame.filename
function = searx_frame.function
line_no = searx_frame.lineno
code = searx_frame.code_context[0].strip()
del framerecords
return ErrorContext(filename, function, line_no, code, exception_classname, log_message, log_parameters)
return ErrorContext(filename, function, line_no, code, exception_classname, log_message, log_parameters, secondary)
def count_exception(engine_name: str, exc: Exception) -> None:
def count_exception(engine_name: str, exc: Exception, secondary: bool = False) -> None:
framerecords = inspect.trace()
try:
exception_classname = get_exception_classname(exc)
log_parameters = get_messages(exc, framerecords[-1][1])
error_context = get_error_context(framerecords, exception_classname, None, log_parameters)
error_context = get_error_context(framerecords, exception_classname, None, log_parameters, secondary)
add_error_context(engine_name, error_context)
finally:
del framerecords
def count_error(engine_name: str, log_message: str, log_parameters: typing.Optional[typing.Tuple] = None) -> None:
def count_error(engine_name: str, log_message: str, log_parameters: typing.Optional[typing.Tuple] = None,
secondary: bool = False) -> None:
framerecords = list(reversed(inspect.stack()[1:]))
try:
error_context = get_error_context(framerecords, None, log_message, log_parameters or ())
error_context = get_error_context(framerecords, None, log_message, log_parameters or (), secondary)
add_error_context(engine_name, error_context)
finally:
del framerecords

2
searx/results.py
View File

@ -196,7 +196,7 @@ class ResultContainer:
if len(error_msgs) > 0:
for msg in error_msgs:
count_error(engine_name, 'some results are invalids: ' + msg)
count_error(engine_name, 'some results are invalids: ' + msg, secondary=True)
if engine_name in engines:
histogram_observe(standard_result_count, 'engine', engine_name, 'result', 'count')

3
searx/search/processors/online.py
View File

@ -92,7 +92,8 @@ class OnlineProcessor(EngineProcessor):
hostname = response.url.host
count_error(self.engine_name,
'{} redirects, maximum: {}'.format(len(response.history), soft_max_redirects),
(status_code, reason, hostname))
(status_code, reason, hostname),
secondary=True)
return response