/
base.py
708 lines (625 loc) · 28.2 KB
/
base.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
# BSD 3-Clause License
#
# Copyright (c) 2012, the Sentry Team, see AUTHORS for more details
# Copyright (c) 2019, Elasticsearch BV
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
from __future__ import absolute_import
import inspect
import itertools
import logging
import os
import platform
import re
import sys
import threading
import time
import urllib.parse
import warnings
from copy import deepcopy
from datetime import timedelta
from typing import Optional, Sequence, Tuple
import elasticapm
from elasticapm.conf import Config, VersionedConfig, constants
from elasticapm.conf.constants import ERROR
from elasticapm.metrics.base_metrics import MetricsRegistry
from elasticapm.traces import Tracer, execution_context
from elasticapm.utils import cgroup, cloud, compat, is_master_process, stacks, varmap
from elasticapm.utils.disttracing import TraceParent
from elasticapm.utils.encoding import enforce_label_format, keyword_field, shorten, transform
from elasticapm.utils.logging import get_logger
from elasticapm.utils.module_import import import_string
__all__ = ("Client",)
CLIENT_SINGLETON = None
class Client(object):
"""
The base ElasticAPM client, which handles communication over the
HTTP API to the APM Server.
Will read default configuration from the environment variable
``ELASTIC_APM_APP_NAME`` and ``ELASTIC_APM_SECRET_TOKEN``
if available. ::
>>> from elasticapm import Client
>>> # Read configuration from environment
>>> client = Client()
>>> # Configure the client manually
>>> client = Client(
>>> include_paths=['my.package'],
>>> service_name='myapp',
>>> secret_token='secret_token',
>>> )
>>> # Record an exception
>>> try:
>>> 1/0
>>> except ZeroDivisionError:
>>> ident = client.capture_exception()
>>> print ("Exception caught; reference is %%s" %% ident)
"""
logger = get_logger("elasticapm")
def __init__(self, config=None, **inline):
# configure loggers first
cls = self.__class__
self.logger = get_logger("%s.%s" % (cls.__module__, cls.__name__))
self.error_logger = get_logger("elasticapm.errors")
self._pid = None
self._thread_starter_lock = threading.Lock()
self._thread_managers = {}
self.tracer = None
self.processors = []
self.filter_exception_types_dict = {}
self._service_info = None
# setting server_version here is mainly used for testing
self.server_version = inline.pop("server_version", None)
self.check_python_version()
config = Config(config, inline_dict=inline)
if config.errors:
for msg in config.errors.values():
self.error_logger.error(msg)
config.disable_send = True
if config.service_name == "unknown-python-service":
self.logger.warning("No custom SERVICE_NAME was set -- using non-descript default 'unknown-python-service'")
if config.service_name.strip() == "":
self.logger.error(
"SERVICE_NAME cannot be whitespace-only. Please set the SERVICE_NAME to a useful identifier."
)
self.config = VersionedConfig(config, version=None)
# Insert the log_record_factory into the logging library
if not self.config.disable_log_record_factory:
record_factory = logging.getLogRecordFactory()
# Only way to know if it's wrapped is to create a log record
throwaway_record = record_factory(__name__, logging.DEBUG, __file__, 252, "dummy_msg", [], None)
if not hasattr(throwaway_record, "elasticapm_labels"):
self.logger.debug("Inserting elasticapm log_record_factory into logging")
# Late import due to circular imports
import elasticapm.handlers.logging as elastic_logging
new_factory = elastic_logging.log_record_factory(record_factory)
logging.setLogRecordFactory(new_factory)
headers = {
"User-Agent": self.get_user_agent(),
}
transport_kwargs = {
"headers": headers,
"verify_server_cert": self.config.verify_server_cert,
"server_cert": self.config.server_cert,
"timeout": self.config.server_timeout,
"processors": self.load_processors(),
}
self._api_endpoint_url = urllib.parse.urljoin(
self.config.server_url if self.config.server_url.endswith("/") else self.config.server_url + "/",
constants.EVENTS_API_PATH,
)
transport_class = import_string(self.config.transport_class)
self._transport = transport_class(url=self._api_endpoint_url, client=self, **transport_kwargs)
self.config.transport = self._transport
self._thread_managers["transport"] = self._transport
for exc_to_filter in self.config.filter_exception_types or []:
exc_to_filter_type = exc_to_filter.split(".")[-1]
exc_to_filter_module = ".".join(exc_to_filter.split(".")[:-1])
self.filter_exception_types_dict[exc_to_filter_type] = exc_to_filter_module
if platform.python_implementation() == "PyPy":
# PyPy introduces a `_functools.partial.__call__` frame due to our use
# of `partial` in AbstractInstrumentedModule
skip_modules = ("elasticapm.", "_functools")
else:
skip_modules = ("elasticapm.",)
self.tracer = Tracer(
frames_collector_func=lambda: list(
stacks.iter_stack_frames(
start_frame=inspect.currentframe(), skip_top_modules=skip_modules, config=self.config
)
),
frames_processing_func=lambda frames: self._get_stack_info_for_trace(
frames,
library_frame_context_lines=self.config.source_lines_span_library_frames,
in_app_frame_context_lines=self.config.source_lines_span_app_frames,
with_locals=self.config.collect_local_variables in ("all", "transactions"),
locals_processor_func=lambda local_var: varmap(
lambda k, v: shorten(
v,
list_length=self.config.local_var_list_max_length,
string_length=self.config.local_var_max_length,
dict_length=self.config.local_var_dict_max_length,
),
local_var,
),
),
queue_func=self.queue,
config=self.config,
agent=self,
)
self.include_paths_re = stacks.get_path_regex(self.config.include_paths) if self.config.include_paths else None
self.exclude_paths_re = stacks.get_path_regex(self.config.exclude_paths) if self.config.exclude_paths else None
self.metrics = MetricsRegistry(self)
for path in self.config.metrics_sets:
self.metrics.register(path)
if self.config.breakdown_metrics:
self.metrics.register("elasticapm.metrics.sets.breakdown.BreakdownMetricSet")
if self.config.prometheus_metrics:
self.metrics.register("elasticapm.metrics.sets.prometheus.PrometheusMetrics")
if self.config.metrics_interval:
self._thread_managers["metrics"] = self.metrics
compat.atexit_register(self.close)
if self.config.central_config:
self._thread_managers["config"] = self.config
else:
self._config_updater = None
if self.config.use_elastic_excepthook:
self.original_excepthook = sys.excepthook
sys.excepthook = self._excepthook
if config.enabled:
self.start_threads()
# Save this Client object as the global CLIENT_SINGLETON
set_client(self)
def start_threads(self):
current_pid = os.getpid()
if self._pid != current_pid:
with self._thread_starter_lock:
self.logger.debug("Detected PID change from %r to %r, starting threads", self._pid, current_pid)
for manager_type, manager in sorted(
self._thread_managers.items(), key=lambda item: item[1].start_stop_order
):
self.logger.debug("Starting %s thread", manager_type)
manager.start_thread(pid=current_pid)
self._pid = current_pid
def get_handler(self, name):
return import_string(name)
def capture(self, event_type, date=None, context=None, custom=None, stack=None, handled=True, **kwargs):
"""
Captures and processes an event and pipes it off to Client.send.
"""
if not self.config.is_recording:
return
if event_type == "Exception":
# never gather log stack for exceptions
stack = False
data = self._build_msg_for_logging(
event_type, date=date, context=context, custom=custom, stack=stack, handled=handled, **kwargs
)
if data:
# queue data, and flush the queue if this is an unhandled exception
self.queue(ERROR, data, flush=not handled)
return data["id"]
def capture_message(self, message=None, param_message=None, **kwargs):
"""
Creates an event from ``message``.
>>> client.capture_message('My event just happened!')
"""
return self.capture("Message", message=message, param_message=param_message, **kwargs)
def capture_exception(self, exc_info=None, handled=True, **kwargs):
"""
Creates an event from an exception.
>>> try:
>>> exc_info = sys.exc_info()
>>> client.capture_exception(exc_info)
>>> finally:
>>> del exc_info
If exc_info is not provided, or is set to True, then this method will
perform the ``exc_info = sys.exc_info()`` and the requisite clean-up
for you.
"""
return self.capture("Exception", exc_info=exc_info, handled=handled, **kwargs)
def queue(self, event_type, data, flush=False):
if self.config.disable_send:
return
self.start_threads()
if flush and is_master_process():
# don't flush in uWSGI master process to avoid ending up in an unpredictable threading state
flush = False
self._transport.queue(event_type, data, flush)
def begin_transaction(
self,
transaction_type: str,
trace_parent: Optional[TraceParent] = None,
start: Optional[float] = None,
auto_activate: bool = True,
links: Optional[Sequence[TraceParent]] = None,
):
"""
Register the start of a transaction on the client
:param transaction_type: type of the transaction, e.g. "request"
:param trace_parent: an optional TraceParent object for distributed tracing
:param start: override the start timestamp, mostly useful for testing
:param auto_activate: whether to set this transaction in execution_context
:param links: a sequence of traceparent objects to causally link this transaction with
:return: the started transaction object
"""
if self.config.is_recording:
return self.tracer.begin_transaction(
transaction_type, trace_parent=trace_parent, start=start, auto_activate=auto_activate, links=links
)
def end_transaction(self, name=None, result="", duration=None):
"""
End the current transaction.
:param name: optional name of the transaction
:param result: result of the transaction, e.g. "OK" or "HTTP 2xx"
:param duration: override duration, mostly useful for testing
:return: the ended transaction object
"""
if duration is not None and not isinstance(duration, timedelta):
duration = timedelta(seconds=duration)
transaction = self.tracer.end_transaction(result, name, duration=duration)
return transaction
def close(self):
if self.config.enabled:
with self._thread_starter_lock:
for _, manager in sorted(self._thread_managers.items(), key=lambda item: item[1].start_stop_order):
manager.stop_thread()
global CLIENT_SINGLETON
CLIENT_SINGLETON = None
def get_service_info(self):
if self._service_info:
return self._service_info
language_version = platform.python_version()
if hasattr(sys, "pypy_version_info"):
runtime_version = ".".join(map(str, sys.pypy_version_info[:3]))
else:
runtime_version = language_version
result = {
"name": keyword_field(self.config.service_name),
"environment": keyword_field(self.config.environment),
"version": keyword_field(self.config.service_version),
"agent": {"name": "python", "version": elasticapm.VERSION},
"language": {"name": "python", "version": keyword_field(platform.python_version())},
"runtime": {
"name": keyword_field(platform.python_implementation()),
"version": keyword_field(runtime_version),
},
}
if self.config.framework_name:
result["framework"] = {
"name": keyword_field(self.config.framework_name),
"version": keyword_field(self.config.framework_version),
}
if self.config.service_node_name:
result["node"] = {"configured_name": keyword_field(self.config.service_node_name)}
self._service_info = result
return result
def get_process_info(self):
return {
"pid": os.getpid(),
"ppid": os.getppid() if hasattr(os, "getppid") else None,
"argv": sys.argv,
"title": None, # Note: if we implement this, the value needs to be wrapped with keyword_field
}
def get_system_info(self):
system_data = {
"hostname": keyword_field(self.config.hostname),
"architecture": platform.machine(),
"platform": platform.system().lower(),
}
system_data.update(cgroup.get_cgroup_container_metadata())
pod_name = os.environ.get("KUBERNETES_POD_NAME") or system_data["hostname"]
changed = False
if "kubernetes" in system_data:
k8s = system_data["kubernetes"]
k8s["pod"]["name"] = pod_name
else:
k8s = {"pod": {"name": pod_name}}
# get kubernetes metadata from environment
if "KUBERNETES_NODE_NAME" in os.environ:
k8s["node"] = {"name": os.environ["KUBERNETES_NODE_NAME"]}
changed = True
if "KUBERNETES_NAMESPACE" in os.environ:
k8s["namespace"] = os.environ["KUBERNETES_NAMESPACE"]
changed = True
if "KUBERNETES_POD_UID" in os.environ:
# this takes precedence over any value from /proc/self/cgroup
k8s["pod"]["uid"] = os.environ["KUBERNETES_POD_UID"]
changed = True
if changed:
system_data["kubernetes"] = k8s
return system_data
def get_cloud_info(self):
"""
Detects if the app is running in a cloud provider and fetches relevant
metadata from the cloud provider's metadata endpoint.
"""
provider = str(self.config.cloud_provider).lower()
if not provider or provider == "none" or provider == "false":
return {}
if provider == "aws":
data = cloud.aws_metadata()
if not data:
self.logger.warning("Cloud provider {0} defined, but no metadata was found.".format(provider))
return data
elif provider == "gcp":
data = cloud.gcp_metadata()
if not data:
self.logger.warning("Cloud provider {0} defined, but no metadata was found.".format(provider))
return data
elif provider == "azure":
data = cloud.azure_metadata()
if not data:
self.logger.warning("Cloud provider {0} defined, but no metadata was found.".format(provider))
return data
elif provider == "auto" or provider == "true":
# Trial and error
data = {}
data = cloud.aws_metadata()
if data:
return data
data = cloud.gcp_metadata()
if data:
return data
data = cloud.azure_metadata()
return data
else:
self.logger.warning("Unknown value for CLOUD_PROVIDER, skipping cloud metadata: {}".format(provider))
return {}
def get_user_agent(self) -> str:
"""
Compiles the user agent, which will be added as a header to all requests
to the APM Server
"""
if self.config.service_version:
service_version = re.sub(r"[^\t _\x21-\x27\x2a-\x5b\x5d-\x7e\x80-\xff]", "_", self.config.service_version)
return "apm-agent-python/{} ({} {})".format(elasticapm.VERSION, self.config.service_name, service_version)
else:
return "apm-agent-python/{} ({})".format(elasticapm.VERSION, self.config.service_name)
def build_metadata(self):
data = {
"service": self.get_service_info(),
"process": self.get_process_info(),
"system": self.get_system_info(),
"cloud": self.get_cloud_info(),
}
if not data["cloud"]:
data.pop("cloud")
if self.config.global_labels:
data["labels"] = enforce_label_format(self.config.global_labels)
return data
def _build_msg_for_logging(
self, event_type, date=None, context=None, custom=None, stack=None, handled=True, **kwargs
):
"""
Captures, processes and serializes an event into a dict object
"""
transaction = execution_context.get_transaction()
span = execution_context.get_span()
if transaction:
transaction_context = deepcopy(transaction.context)
else:
transaction_context = {}
event_data = {}
if custom is None:
custom = {}
if date is not None:
warnings.warn(
"The date argument is no longer evaluated and will be removed in a future release", DeprecationWarning
)
date = time.time()
if stack is None:
stack = self.config.auto_log_stacks
if context:
transaction_context.update(context)
context = transaction_context
else:
context = transaction_context
event_data["context"] = context
if transaction and transaction.labels:
context["tags"] = deepcopy(transaction.labels)
# No intake for otel.attributes, so make them labels
if "otel_attributes" in context:
if context.get("tags"):
context["tags"].update(context.pop("otel_attributes"))
else:
context["tags"] = context.pop("otel_attributes")
# if '.' not in event_type:
# Assume it's a builtin
event_type = "elasticapm.events.%s" % event_type
handler = self.get_handler(event_type)
result = handler.capture(self, **kwargs)
if self._filter_exception_type(result):
return
# data (explicit) culprit takes over auto event detection
culprit = result.pop("culprit", None)
if custom.get("culprit"):
culprit = custom.pop("culprit")
for k, v in result.items():
if k not in event_data:
event_data[k] = v
log = event_data.get("log", {})
if stack and "stacktrace" not in log:
if stack is True:
frames = stacks.iter_stack_frames(skip=3, config=self.config)
else:
frames = stack
frames = stacks.get_stack_info(
frames,
with_locals=self.config.collect_local_variables in ("errors", "all"),
library_frame_context_lines=self.config.source_lines_error_library_frames,
in_app_frame_context_lines=self.config.source_lines_error_app_frames,
include_paths_re=self.include_paths_re,
exclude_paths_re=self.exclude_paths_re,
locals_processor_func=lambda local_var: varmap(
lambda k, v: shorten(
v,
list_length=self.config.local_var_list_max_length,
string_length=self.config.local_var_max_length,
dict_length=self.config.local_var_dict_max_length,
),
local_var,
),
)
log["stacktrace"] = frames
if "stacktrace" in log and not culprit:
culprit = stacks.get_culprit(log["stacktrace"], self.config.include_paths, self.config.exclude_paths)
if "level" in log and isinstance(log["level"], int):
log["level"] = logging.getLevelName(log["level"]).lower()
if log:
event_data["log"] = log
if culprit:
event_data["culprit"] = culprit
if "custom" in context:
context["custom"].update(custom)
else:
context["custom"] = custom
# Make sure all data is coerced
event_data = transform(event_data)
if "exception" in event_data:
event_data["exception"]["handled"] = bool(handled)
event_data["timestamp"] = int(date * 1000000)
if transaction:
if transaction.trace_parent:
event_data["trace_id"] = transaction.trace_parent.trace_id
# parent id might already be set in the handler
event_data.setdefault("parent_id", span.id if span else transaction.id)
event_data["transaction_id"] = transaction.id
event_data["transaction"] = {
"sampled": transaction.is_sampled,
"type": transaction.transaction_type,
"name": transaction.name,
}
return event_data
def _filter_exception_type(self, data):
exception = data.get("exception")
if not exception:
return False
exc_type = exception.get("type")
exc_module = exception.get("module")
if exc_module == "None":
exc_module = None
if exc_type in self.filter_exception_types_dict:
exc_to_filter_module = self.filter_exception_types_dict[exc_type]
if not exc_to_filter_module or exc_to_filter_module == exc_module:
if exc_module:
exc_name = "%s.%s" % (exc_module, exc_type)
else:
exc_name = exc_type
self.logger.debug("Ignored %s exception due to exception type filter", exc_name)
return True
return False
def _get_stack_info_for_trace(
self,
frames,
library_frame_context_lines=None,
in_app_frame_context_lines=None,
with_locals=True,
locals_processor_func=None,
):
"""Overrideable in derived clients to add frames/info, e.g. templates"""
return stacks.get_stack_info(
frames,
library_frame_context_lines=library_frame_context_lines,
in_app_frame_context_lines=in_app_frame_context_lines,
with_locals=with_locals,
include_paths_re=self.include_paths_re,
exclude_paths_re=self.exclude_paths_re,
locals_processor_func=locals_processor_func,
)
def _excepthook(self, type_, value, traceback):
try:
self.original_excepthook(type_, value, traceback)
except Exception:
self.capture_exception(handled=False)
finally:
self.capture_exception(exc_info=(type_, value, traceback), handled=False)
def load_processors(self):
"""
Loads processors from self.config.processors, as well as constants.HARDCODED_PROCESSORS.
Duplicate processors (based on the path) will be discarded.
:return: a list of callables
"""
processors = itertools.chain(self.config.processors, constants.HARDCODED_PROCESSORS)
seen = {}
# setdefault has the nice property that it returns the value that it just set on the dict
return [seen.setdefault(path, import_string(path)) for path in processors if path not in seen]
def should_ignore_url(self, url):
"""Checks if URL should be ignored based on the transaction_ignore_urls setting"""
if self.config.transaction_ignore_urls:
for pattern in self.config.transaction_ignore_urls:
if pattern.match(url):
return True
return False
def should_ignore_topic(self, topic: str) -> bool:
"""Checks if messaging topic should be ignored based on the ignore_message_queues setting"""
if self.config.ignore_message_queues:
for pattern in self.config.ignore_message_queues:
if pattern.match(topic):
return True
return False
def check_python_version(self):
v = tuple(map(int, platform.python_version_tuple()[:2]))
if v == (2, 7):
warnings.warn(
(
"The Elastic APM agent will stop supporting Python 2.7 starting in 6.0.0 -- "
"Please upgrade to Python 3.5+ to continue to use the latest features."
),
PendingDeprecationWarning,
)
elif v < (3, 5):
warnings.warn("The Elastic APM agent only supports Python 3.5+", DeprecationWarning)
def check_server_version(
self, gte: Optional[Tuple[int, ...]] = None, lte: Optional[Tuple[int, ...]] = None
) -> bool:
"""
Check APM Server version against greater-or-equal and/or lower-or-equal limits, provided as tuples of integers.
If server_version is not set, always returns True.
:param gte: a tuple of ints describing the greater-or-equal limit, e.g. (7, 16)
:param lte: a tuple of ints describing the lower-or-equal limit, e.g. (7, 99)
:return: bool
"""
if not self.server_version:
return True
gte = gte or (0,)
lte = lte or (2**32,) # let's assume APM Server version will never be greater than 2^32
return bool(gte <= self.server_version <= lte)
@property
def _metrics(self):
warnings.warn(DeprecationWarning("Use `client.metrics` instead"))
return self.metrics
class DummyClient(Client):
"""Sends messages into an empty void"""
def send(self, url, **kwargs):
return None
def get_client() -> Client:
return CLIENT_SINGLETON
def set_client(client: Client):
global CLIENT_SINGLETON
if CLIENT_SINGLETON:
logger = get_logger("elasticapm")
logger.warning("Client object is being set more than once", stack_info=True)
CLIENT_SINGLETON = client