logging.py 14 KB

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  1. import logging
  2. import sys
  3. from datetime import datetime, timezone
  4. from fnmatch import fnmatch
  5. import sentry_sdk
  6. from sentry_sdk.client import BaseClient
  7. from sentry_sdk.logger import _log_level_to_otel
  8. from sentry_sdk.utils import (
  9. safe_repr,
  10. to_string,
  11. event_from_exception,
  12. current_stacktrace,
  13. capture_internal_exceptions,
  14. has_logs_enabled,
  15. )
  16. from sentry_sdk.integrations import Integration
  17. from typing import TYPE_CHECKING
  18. if TYPE_CHECKING:
  19. from collections.abc import MutableMapping
  20. from logging import LogRecord
  21. from typing import Any
  22. from typing import Dict
  23. from typing import Optional
  24. DEFAULT_LEVEL = logging.INFO
  25. DEFAULT_EVENT_LEVEL = logging.ERROR
  26. LOGGING_TO_EVENT_LEVEL = {
  27. logging.NOTSET: "notset",
  28. logging.DEBUG: "debug",
  29. logging.INFO: "info",
  30. logging.WARN: "warning", # WARN is same a WARNING
  31. logging.WARNING: "warning",
  32. logging.ERROR: "error",
  33. logging.FATAL: "fatal",
  34. logging.CRITICAL: "fatal", # CRITICAL is same as FATAL
  35. }
  36. # Map logging level numbers to corresponding OTel level numbers
  37. SEVERITY_TO_OTEL_SEVERITY = {
  38. logging.CRITICAL: 21, # fatal
  39. logging.ERROR: 17, # error
  40. logging.WARNING: 13, # warn
  41. logging.INFO: 9, # info
  42. logging.DEBUG: 5, # debug
  43. }
  44. # Capturing events from those loggers causes recursion errors. We cannot allow
  45. # the user to unconditionally create events from those loggers under any
  46. # circumstances.
  47. #
  48. # Note: Ignoring by logger name here is better than mucking with thread-locals.
  49. # We do not necessarily know whether thread-locals work 100% correctly in the user's environment.
  50. _IGNORED_LOGGERS = set(
  51. ["sentry_sdk.errors", "urllib3.connectionpool", "urllib3.connection"]
  52. )
  53. def ignore_logger(
  54. name, # type: str
  55. ):
  56. # type: (...) -> None
  57. """This disables recording (both in breadcrumbs and as events) calls to
  58. a logger of a specific name. Among other uses, many of our integrations
  59. use this to prevent their actions being recorded as breadcrumbs. Exposed
  60. to users as a way to quiet spammy loggers.
  61. :param name: The name of the logger to ignore (same string you would pass to ``logging.getLogger``).
  62. """
  63. _IGNORED_LOGGERS.add(name)
  64. class LoggingIntegration(Integration):
  65. identifier = "logging"
  66. def __init__(
  67. self,
  68. level=DEFAULT_LEVEL,
  69. event_level=DEFAULT_EVENT_LEVEL,
  70. sentry_logs_level=DEFAULT_LEVEL,
  71. ):
  72. # type: (Optional[int], Optional[int], Optional[int]) -> None
  73. self._handler = None
  74. self._breadcrumb_handler = None
  75. self._sentry_logs_handler = None
  76. if level is not None:
  77. self._breadcrumb_handler = BreadcrumbHandler(level=level)
  78. if sentry_logs_level is not None:
  79. self._sentry_logs_handler = SentryLogsHandler(level=sentry_logs_level)
  80. if event_level is not None:
  81. self._handler = EventHandler(level=event_level)
  82. def _handle_record(self, record):
  83. # type: (LogRecord) -> None
  84. if self._handler is not None and record.levelno >= self._handler.level:
  85. self._handler.handle(record)
  86. if (
  87. self._breadcrumb_handler is not None
  88. and record.levelno >= self._breadcrumb_handler.level
  89. ):
  90. self._breadcrumb_handler.handle(record)
  91. if (
  92. self._sentry_logs_handler is not None
  93. and record.levelno >= self._sentry_logs_handler.level
  94. ):
  95. self._sentry_logs_handler.handle(record)
  96. @staticmethod
  97. def setup_once():
  98. # type: () -> None
  99. old_callhandlers = logging.Logger.callHandlers
  100. def sentry_patched_callhandlers(self, record):
  101. # type: (Any, LogRecord) -> Any
  102. # keeping a local reference because the
  103. # global might be discarded on shutdown
  104. ignored_loggers = _IGNORED_LOGGERS
  105. try:
  106. return old_callhandlers(self, record)
  107. finally:
  108. # This check is done twice, once also here before we even get
  109. # the integration. Otherwise we have a high chance of getting
  110. # into a recursion error when the integration is resolved
  111. # (this also is slower).
  112. if (
  113. ignored_loggers is not None
  114. and record.name.strip() not in ignored_loggers
  115. ):
  116. integration = sentry_sdk.get_client().get_integration(
  117. LoggingIntegration
  118. )
  119. if integration is not None:
  120. integration._handle_record(record)
  121. logging.Logger.callHandlers = sentry_patched_callhandlers # type: ignore
  122. class _BaseHandler(logging.Handler):
  123. COMMON_RECORD_ATTRS = frozenset(
  124. (
  125. "args",
  126. "created",
  127. "exc_info",
  128. "exc_text",
  129. "filename",
  130. "funcName",
  131. "levelname",
  132. "levelno",
  133. "linenno",
  134. "lineno",
  135. "message",
  136. "module",
  137. "msecs",
  138. "msg",
  139. "name",
  140. "pathname",
  141. "process",
  142. "processName",
  143. "relativeCreated",
  144. "stack",
  145. "tags",
  146. "taskName",
  147. "thread",
  148. "threadName",
  149. "stack_info",
  150. )
  151. )
  152. def _can_record(self, record):
  153. # type: (LogRecord) -> bool
  154. """Prevents ignored loggers from recording"""
  155. for logger in _IGNORED_LOGGERS:
  156. if fnmatch(record.name.strip(), logger):
  157. return False
  158. return True
  159. def _logging_to_event_level(self, record):
  160. # type: (LogRecord) -> str
  161. return LOGGING_TO_EVENT_LEVEL.get(
  162. record.levelno, record.levelname.lower() if record.levelname else ""
  163. )
  164. def _extra_from_record(self, record):
  165. # type: (LogRecord) -> MutableMapping[str, object]
  166. return {
  167. k: v
  168. for k, v in vars(record).items()
  169. if k not in self.COMMON_RECORD_ATTRS
  170. and (not isinstance(k, str) or not k.startswith("_"))
  171. }
  172. class EventHandler(_BaseHandler):
  173. """
  174. A logging handler that emits Sentry events for each log record
  175. Note that you do not have to use this class if the logging integration is enabled, which it is by default.
  176. """
  177. def emit(self, record):
  178. # type: (LogRecord) -> Any
  179. with capture_internal_exceptions():
  180. self.format(record)
  181. return self._emit(record)
  182. def _emit(self, record):
  183. # type: (LogRecord) -> None
  184. if not self._can_record(record):
  185. return
  186. client = sentry_sdk.get_client()
  187. if not client.is_active():
  188. return
  189. client_options = client.options
  190. # exc_info might be None or (None, None, None)
  191. #
  192. # exc_info may also be any falsy value due to Python stdlib being
  193. # liberal with what it receives and Celery's billiard being "liberal"
  194. # with what it sends. See
  195. # https://github.com/getsentry/sentry-python/issues/904
  196. if record.exc_info and record.exc_info[0] is not None:
  197. event, hint = event_from_exception(
  198. record.exc_info,
  199. client_options=client_options,
  200. mechanism={"type": "logging", "handled": True},
  201. )
  202. elif (record.exc_info and record.exc_info[0] is None) or record.stack_info:
  203. event = {}
  204. hint = {}
  205. with capture_internal_exceptions():
  206. event["threads"] = {
  207. "values": [
  208. {
  209. "stacktrace": current_stacktrace(
  210. include_local_variables=client_options[
  211. "include_local_variables"
  212. ],
  213. max_value_length=client_options["max_value_length"],
  214. ),
  215. "crashed": False,
  216. "current": True,
  217. }
  218. ]
  219. }
  220. else:
  221. event = {}
  222. hint = {}
  223. hint["log_record"] = record
  224. level = self._logging_to_event_level(record)
  225. if level in {"debug", "info", "warning", "error", "critical", "fatal"}:
  226. event["level"] = level # type: ignore[typeddict-item]
  227. event["logger"] = record.name
  228. if (
  229. sys.version_info < (3, 11)
  230. and record.name == "py.warnings"
  231. and record.msg == "%s"
  232. ):
  233. # warnings module on Python 3.10 and below sets record.msg to "%s"
  234. # and record.args[0] to the actual warning message.
  235. # This was fixed in https://github.com/python/cpython/pull/30975.
  236. message = record.args[0]
  237. params = ()
  238. else:
  239. message = record.msg
  240. params = record.args
  241. event["logentry"] = {
  242. "message": to_string(message),
  243. "formatted": record.getMessage(),
  244. "params": params,
  245. }
  246. event["extra"] = self._extra_from_record(record)
  247. sentry_sdk.capture_event(event, hint=hint)
  248. # Legacy name
  249. SentryHandler = EventHandler
  250. class BreadcrumbHandler(_BaseHandler):
  251. """
  252. A logging handler that records breadcrumbs for each log record.
  253. Note that you do not have to use this class if the logging integration is enabled, which it is by default.
  254. """
  255. def emit(self, record):
  256. # type: (LogRecord) -> Any
  257. with capture_internal_exceptions():
  258. self.format(record)
  259. return self._emit(record)
  260. def _emit(self, record):
  261. # type: (LogRecord) -> None
  262. if not self._can_record(record):
  263. return
  264. sentry_sdk.add_breadcrumb(
  265. self._breadcrumb_from_record(record), hint={"log_record": record}
  266. )
  267. def _breadcrumb_from_record(self, record):
  268. # type: (LogRecord) -> Dict[str, Any]
  269. return {
  270. "type": "log",
  271. "level": self._logging_to_event_level(record),
  272. "category": record.name,
  273. "message": record.message,
  274. "timestamp": datetime.fromtimestamp(record.created, timezone.utc),
  275. "data": self._extra_from_record(record),
  276. }
  277. class SentryLogsHandler(_BaseHandler):
  278. """
  279. A logging handler that records Sentry logs for each Python log record.
  280. Note that you do not have to use this class if the logging integration is enabled, which it is by default.
  281. """
  282. def emit(self, record):
  283. # type: (LogRecord) -> Any
  284. with capture_internal_exceptions():
  285. self.format(record)
  286. if not self._can_record(record):
  287. return
  288. client = sentry_sdk.get_client()
  289. if not client.is_active():
  290. return
  291. if not has_logs_enabled(client.options):
  292. return
  293. self._capture_log_from_record(client, record)
  294. def _capture_log_from_record(self, client, record):
  295. # type: (BaseClient, LogRecord) -> None
  296. otel_severity_number, otel_severity_text = _log_level_to_otel(
  297. record.levelno, SEVERITY_TO_OTEL_SEVERITY
  298. )
  299. project_root = client.options["project_root"]
  300. attrs = self._extra_from_record(record) # type: Any
  301. attrs["sentry.origin"] = "auto.logger.log"
  302. parameters_set = False
  303. if record.args is not None:
  304. if isinstance(record.args, tuple):
  305. parameters_set = bool(record.args)
  306. for i, arg in enumerate(record.args):
  307. attrs[f"sentry.message.parameter.{i}"] = (
  308. arg
  309. if isinstance(arg, (str, float, int, bool))
  310. else safe_repr(arg)
  311. )
  312. elif isinstance(record.args, dict):
  313. parameters_set = bool(record.args)
  314. for key, value in record.args.items():
  315. attrs[f"sentry.message.parameter.{key}"] = (
  316. value
  317. if isinstance(value, (str, float, int, bool))
  318. else safe_repr(value)
  319. )
  320. if parameters_set and isinstance(record.msg, str):
  321. # only include template if there is at least one
  322. # sentry.message.parameter.X set
  323. attrs["sentry.message.template"] = record.msg
  324. if record.lineno:
  325. attrs["code.line.number"] = record.lineno
  326. if record.pathname:
  327. if project_root is not None and record.pathname.startswith(project_root):
  328. attrs["code.file.path"] = record.pathname[len(project_root) + 1 :]
  329. else:
  330. attrs["code.file.path"] = record.pathname
  331. if record.funcName:
  332. attrs["code.function.name"] = record.funcName
  333. if record.thread:
  334. attrs["thread.id"] = record.thread
  335. if record.threadName:
  336. attrs["thread.name"] = record.threadName
  337. if record.process:
  338. attrs["process.pid"] = record.process
  339. if record.processName:
  340. attrs["process.executable.name"] = record.processName
  341. if record.name:
  342. attrs["logger.name"] = record.name
  343. # noinspection PyProtectedMember
  344. client._capture_log(
  345. {
  346. "severity_text": otel_severity_text,
  347. "severity_number": otel_severity_number,
  348. "body": record.message,
  349. "attributes": attrs,
  350. "time_unix_nano": int(record.created * 1e9),
  351. "trace_id": None,
  352. },
  353. )