def test_traceparent_from_header():
header = "00-0000651916cd43dd8448eb211c80319c-b7ad6b7169203331-03"
legacy_header = "00-1111651916cd43dd8448eb211c80319c-b7ad6b7169203331-03"
tp1 = TraceParent.from_headers({"traceparent": header})
tp2 = TraceParent.from_headers({"elastic-apm-traceparent": legacy_header})
tp3 = TraceParent.from_headers({
"traceparent": header,
"elastic-apm-traceparent": legacy_header
})
assert tp1.to_string() == header
assert tp2.to_string() == legacy_header
# traceparent has precedence over elastic-apm-traceparent
assert tp3.to_string() == header
def get_trace_parent(celery_task):
"""
Return a trace parent contained in the request headers of a Celery Task object or None
"""
trace_parent = None
with suppress(AttributeError, KeyError, TypeError):
if celery_task.request.headers is not None:
trace_parent_string = celery_task.request.headers["elasticapm"][
"trace_parent_string"]
trace_parent = TraceParent.from_string(trace_parent_string)
else:
trace_parent_string = celery_task.request.elasticapm[
"trace_parent_string"]
trace_parent = TraceParent.from_string(trace_parent_string)
return trace_parent
def test_span_only_dropped(instrument, elasticapm_client, waiting_httpserver):
"""test that urllib instrumentation does not fail if no parent span can be found"""
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
transaction_object = elasticapm_client.begin_transaction("transaction")
for i in range(2):
with capture_span("test", "test"):
urlopen(url)
elasticapm_client.end_transaction("bla", "OK")
trace_parent_1 = TraceParent.from_string(waiting_httpserver.requests[0].headers[constants.TRACEPARENT_HEADER_NAME])
trace_parent_2 = TraceParent.from_string(waiting_httpserver.requests[1].headers[constants.TRACEPARENT_HEADER_NAME])
assert trace_parent_1.span_id != transaction_object.id
# second request should use transaction id as span id because there is no span
assert trace_parent_2.span_id == transaction_object.id
def test_trace_parent_wrong_version_255(caplog):
"""Version FF or 255 is explicitly forbidden"""
header = "ff-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-03"
with caplog.at_level("DEBUG", "elasticapm.utils"):
trace_parent = TraceParent.from_string(header)
assert trace_parent is None
assert_any_record_contains(caplog.records, "Invalid version field, value 255")
def test_httpx_instrumentation(instrument, elasticapm_client, waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
parsed_url = compat.urlparse.urlparse(url)
elasticapm_client.begin_transaction("transaction.test")
with capture_span("test_request", "test"):
httpx.get(url, **allow_redirects)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert spans[0]["name"].startswith("GET 127.0.0.1:")
assert spans[0]["type"] == "external"
assert spans[0]["subtype"] == "http"
assert url == spans[0]["context"]["http"]["url"]
assert spans[0]["context"]["destination"]["service"] == {
"name": "",
"resource": "127.0.0.1:%d" % parsed_url.port,
"type": "",
}
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME], tracestate_string=headers[constants.TRACESTATE_HEADER_NAME]
)
assert trace_parent.trace_id == transactions[0]["trace_id"]
# Check that sample_rate was correctly placed in the tracestate
assert constants.TRACESTATE.SAMPLE_RATE in trace_parent.tracestate_dict
# this should be the span id of `httpx`, not of httpcore
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded
def test_trace_parent_wrong_format(caplog):
header = "00"
with caplog.at_level("DEBUG", "elasticapm.utils"):
trace_parent = TraceParent.from_string(header)
record = caplog.records[0]
assert trace_parent is None
assert record.message == "Invalid traceparent header format, value 00"
async def test_trace_parent_propagation_unsampled(instrument, event_loop,
elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
transaction_object = elasticapm_client.begin_transaction("transaction")
transaction_object.is_sampled = False
async with aiohttp.ClientSession() as session:
async with session.get(waiting_httpserver.url) as resp:
status = resp.status
text = await resp.text()
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[constants.TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert not spans
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME],
tracestate_string=headers[constants.TRACESTATE_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
assert trace_parent.span_id == transaction_object.id
assert not trace_parent.trace_options.recorded
# Check that sample_rate was correctly placed in the tracestate
assert constants.TRACESTATE.SAMPLE_RATE in trace_parent.tracestate_dict
if elasticapm_client.config.use_elastic_traceparent_header:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME in headers
assert headers[constants.TRACEPARENT_HEADER_NAME] == headers[
constants.TRACEPARENT_LEGACY_HEADER_NAME]
else:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME not in headers
def test_trace_parent(elasticapm_client):
trace_parent = TraceParent.from_string("00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-03")
elasticapm_client.begin_transaction("test", trace_parent=trace_parent)
transaction = elasticapm_client.end_transaction("test", "OK")
data = transaction.to_dict()
assert data["trace_id"] == "0af7651916cd43dd8448eb211c80319c"
assert data["parent_id"] == "b7ad6b7169203331"
def begin_transaction(self, transaction_type, trace_parent=None):
"""
Start a new transactions and bind it in a thread-local variable
:returns the Transaction object
"""
if trace_parent:
is_sampled = bool(trace_parent.trace_options.recorded)
else:
is_sampled = (
self.config.transaction_sample_rate == 1.0
or self.config.transaction_sample_rate > random.random())
transaction = Transaction(self,
transaction_type,
trace_parent=trace_parent,
is_sampled=is_sampled)
if trace_parent is None:
transaction.trace_parent = TraceParent(
constants.TRACE_CONTEXT_VERSION,
"%032x" % random.getrandbits(128),
transaction.id,
TracingOptions(recorded=is_sampled),
)
execution_context.set_transaction(transaction)
return transaction
def test_get_trace_parent_header(elasticapm_client):
trace_parent = TraceParent.from_string(
"00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-03")
transaction = elasticapm_client.begin_transaction(
"test", trace_parent=trace_parent)
assert transaction.trace_parent.to_string(
) == elasticapm.get_trace_parent_header()
def request_started(self, app):
if not self.app.debug or self.client.config.debug:
if constants.TRACEPARENT_HEADER_NAME in request.headers:
trace_parent = TraceParent.from_string(request.headers[constants.TRACEPARENT_HEADER_NAME])
else:
trace_parent = None
self.client.begin_transaction("request", trace_parent=trace_parent)
def test_trace_parent_wrong_trace_options_field(caplog):
header = "00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-xx"
with caplog.at_level("DEBUG", "elasticapm.utils"):
trace_parent = TraceParent.from_string(header)
assert trace_parent is None
assert_any_record_contains(caplog.records,
"Invalid trace-options field, value xx")
def test_trace_parent_wrong_format(caplog):
header = "00"
with caplog.at_level("DEBUG", "elasticapm.utils"):
trace_parent = TraceParent.from_string(header)
assert trace_parent is None
assert_any_record_contains(caplog.records,
"Invalid traceparent header format, value 00")
def test_httplib2_instrumentation(instrument, elasticapm_client,
waiting_httpserver, args):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
parsed_url = compat.urlparse.urlparse(url)
elasticapm_client.begin_transaction("transaction.test")
with capture_span("test_request", "test"):
httplib2.Http().request(url, *args)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert spans[0]["name"].startswith("GET 127.0.0.1:")
assert spans[0]["type"] == "external"
assert spans[0]["subtype"] == "http"
assert url == spans[0]["context"]["http"]["url"]
assert 200 == spans[0]["context"]["http"]["status_code"]
assert spans[0]["context"]["destination"]["service"] == {
"name": "http://127.0.0.1:%d" % parsed_url.port,
"resource": "127.0.0.1:%d" % parsed_url.port,
"type": "external",
}
assert spans[0]["outcome"] == "success"
assert constants.TRACEPARENT_HEADER_NAME in waiting_httpserver.requests[
0].headers
trace_parent = TraceParent.from_string(
waiting_httpserver.requests[0].headers[
constants.TRACEPARENT_HEADER_NAME],
tracestate_string=waiting_httpserver.requests[0].headers[
constants.TRACESTATE_HEADER_NAME],
)
assert trace_parent.trace_id == transactions[0]["trace_id"]
# Check that sample_rate was correctly placed in the tracestate
assert constants.TRACESTATE.SAMPLE_RATE in trace_parent.tracestate_dict
def test_trace_parent_propagation_unsampled(instrument, elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
transaction_object = elasticapm_client.begin_transaction("transaction")
transaction_object.is_sampled = False
urlopen(url)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert not spans
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
assert trace_parent.span_id == transaction_object.id
assert not trace_parent.trace_options.recorded
if elasticapm_client.config.use_elastic_traceparent_header:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME in headers
assert headers[constants.TRACEPARENT_HEADER_NAME] == headers[
constants.TRACEPARENT_LEGACY_HEADER_NAME]
else:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME not in headers
async def call(self, module, method, wrapped, instance, args, kwargs):
if not hasattr(instance.application, "elasticapm_client"):
# If tornado was instrumented but not as the main framework
# (i.e. in Flower), we should skip it.
return await wrapped(*args, **kwargs)
# Late import to avoid ImportErrors
from elasticapm.contrib.tornado.utils import get_data_from_request, get_data_from_response
request = instance.request
trace_parent = TraceParent.from_headers(request.headers)
client = instance.application.elasticapm_client
client.begin_transaction("request", trace_parent=trace_parent)
elasticapm.set_context(
lambda: get_data_from_request(instance, request, client.config,
constants.TRANSACTION), "request")
# TODO: Can we somehow incorporate the routing rule itself here?
elasticapm.set_transaction_name("{} {}".format(
request.method,
type(instance).__name__),
override=False)
ret = await wrapped(*args, **kwargs)
elasticapm.set_context(
lambda: get_data_from_response(instance, client.config, constants.
TRANSACTION), "response")
status = instance.get_status()
result = "HTTP {}xx".format(status // 100)
elasticapm.set_transaction_result(result, override=False)
elasticapm.set_transaction_outcome(http_status_code=status)
client.end_transaction()
return ret
def begin_transaction(self, transaction_type, trace_parent=None, start=None):
"""
Start a new transactions and bind it in a thread-local variable
:param transaction_type: type of the transaction, e.g. "request"
:param trace_parent: an optional TraceParent object
:param start: override the start timestamp, mostly useful for testing
:returns the Transaction object
"""
if trace_parent:
is_sampled = bool(trace_parent.trace_options.recorded)
else:
is_sampled = (
self.config.transaction_sample_rate == 1.0 or self.config.transaction_sample_rate > random.random()
)
transaction = Transaction(self, transaction_type, trace_parent=trace_parent, is_sampled=is_sampled, start=start)
if trace_parent is None:
transaction.trace_parent = TraceParent(
constants.TRACE_CONTEXT_VERSION,
"%032x" % random.getrandbits(128),
transaction.id,
TracingOptions(recorded=is_sampled),
)
execution_context.set_transaction(transaction)
return transaction
def test_trace_parent_propagation_sampled(instrument, elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
elasticapm_client.begin_transaction("transaction")
urlopen(url)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME],
tracestate_string=headers[constants.TRACESTATE_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded
# Check that sample_rate was correctly placed in the tracestate
assert constants.TRACESTATE.SAMPLE_RATE in trace_parent.tracestate_dict
if elasticapm_client.config.use_elastic_traceparent_header:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME in headers
assert headers[constants.TRACEPARENT_HEADER_NAME] == headers[
constants.TRACEPARENT_LEGACY_HEADER_NAME]
else:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME not in headers
def test_requests_instrumentation_via_prepared_request(instrument,
elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
elasticapm_client.begin_transaction("transaction.test")
with capture_span("test_request", "test"):
r = requests.Request("get", url)
pr = r.prepare()
s = requests.Session()
s.send(pr, allow_redirects=False)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert spans[0]["name"].startswith("GET 127.0.0.1:")
assert url == spans[0]["context"]["http"]["url"]
assert constants.TRACEPARENT_HEADER_NAME in waiting_httpserver.requests[
0].headers
trace_parent = TraceParent.from_string(
waiting_httpserver.requests[0].headers[
constants.TRACEPARENT_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
# this should be the span id of `requests`, not of urllib3
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded
def test_trace_parent_propagation_unsampled(instrument, elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
transaction_object = elasticapm_client.begin_transaction("transaction")
transaction_object.is_sampled = False
pool = urllib3.PoolManager(timeout=0.1)
r = pool.request("GET", url)
elasticapm_client.end_transaction("MyView")
spans = elasticapm_client.events[SPAN]
assert not spans
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME],
tracestate_string=headers[constants.TRACESTATE_HEADER_NAME])
assert trace_parent.trace_id == transaction_object.trace_parent.trace_id
assert trace_parent.span_id == transaction_object.id
assert not trace_parent.trace_options.recorded
# Check that sample_rate was correctly placed in the tracestate
assert constants.TRACESTATE.SAMPLE_RATE in trace_parent.tracestate_dict
if elasticapm_client.config.use_elastic_traceparent_header:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME in headers
assert headers[constants.TRACEPARENT_HEADER_NAME] == headers[
constants.TRACEPARENT_LEGACY_HEADER_NAME]
else:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME not in headers
async def test_httpx_instrumentation_string_url(instrument, elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
elasticapm_client.begin_transaction("transaction.test")
async with async_capture_span("test_request", "test"):
async with httpx.AsyncClient() as client:
await client.get(url, allow_redirects=False)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert spans[0]["name"].startswith("GET 127.0.0.1:")
assert url == spans[0]["context"]["http"]["url"]
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME],
tracestate_string=headers[constants.TRACESTATE_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
# Check that sample_rate was correctly placed in the tracestate
assert constants.TRACESTATE.SAMPLE_RATE in trace_parent.tracestate_dict
# this should be the span id of `httpx`, not of urllib3
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded
def test_trace_parent_propagation_sampled(instrument, elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
elasticapm_client.begin_transaction("transaction")
pool = urllib3.PoolManager(timeout=0.1)
r = pool.request("GET", url)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded
if elasticapm_client.config.use_elastic_traceparent_header:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME in headers
assert headers[constants.TRACEPARENT_HEADER_NAME] == headers[
constants.TRACEPARENT_LEGACY_HEADER_NAME]
else:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME not in headers
async def test_trace_parent_propagation_sampled(instrument, event_loop,
elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
elasticapm_client.begin_transaction("transaction")
async with aiohttp.ClientSession() as session:
async with session.get(waiting_httpserver.url) as resp:
status = resp.status
text = await resp.text()
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[constants.TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded
if elasticapm_client.config.use_elastic_traceparent_header:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME in headers
assert headers[constants.TRACEPARENT_HEADER_NAME] == headers[
constants.TRACEPARENT_LEGACY_HEADER_NAME]
else:
assert constants.TRACEPARENT_LEGACY_HEADER_NAME not in headers
def test_trace_parent_wrong_version(caplog):
header = "xx-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-03"
with caplog.at_level("DEBUG", "elasticapm.utils"):
trace_parent = TraceParent.from_string(header)
record = caplog.records[0]
assert trace_parent is None
assert record.message == "Invalid version field, value xx"
def test_tracer_inject_map(tracer):
span_context = OTSpanContext(trace_parent=TraceParent.from_string(
"00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01"))
carrier = {}
tracer.inject(span_context, Format.TEXT_MAP, carrier)
assert carrier[
"elastic-apm-traceparent"] == b"00-0af7651916cd43dd8448eb211c80319c-b7ad6b7169203331-01"
async def call(self, module, method, wrapped, instance, args, kwargs):
# Late import to avoid ImportErrors
from elasticapm.contrib.tornado.utils import get_data_from_request, get_data_from_response
request = instance.request
trace_parent = TraceParent.from_headers(request.headers)
client = instance.application.elasticapm_client
client.begin_transaction("request", trace_parent=trace_parent)
elasticapm.set_context(
lambda: get_data_from_request(instance, request, client.config,
constants.TRANSACTION), "request")
# TODO: Can we somehow incorporate the routing rule itself here?
elasticapm.set_transaction_name("{} {}".format(
request.method,
type(instance).__name__),
override=False)
ret = await wrapped(*args, **kwargs)
elasticapm.set_context(
lambda: get_data_from_response(instance, client.config, constants.
TRANSACTION), "response")
result = "HTTP {}xx".format(instance.get_status() // 100)
elasticapm.set_transaction_result(result, override=False)
client.end_transaction()
return ret
async def test_trace_parent_propagation_sampled_headers_none(
instrument, event_loop, elasticapm_client, waiting_httpserver,
sampled):
"""
Test that we don't blow up if headers are explicitly set to None
"""
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
transaction = elasticapm_client.begin_transaction("transaction")
transaction.is_sampled = sampled
async with aiohttp.ClientSession() as session:
async with session.get(waiting_httpserver.url, headers=None) as resp:
status = resp.status
text = await resp.text()
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[constants.TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
headers = waiting_httpserver.requests[0].headers
assert constants.TRACEPARENT_HEADER_NAME in headers
trace_parent = TraceParent.from_string(
headers[constants.TRACEPARENT_HEADER_NAME],
tracestate_string=headers[constants.TRACESTATE_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
if sampled:
assert trace_parent.span_id == spans[0]["id"]
else:
assert trace_parent.tracestate_dict[
constants.TRACESTATE.SAMPLE_RATE] == "0"
assert trace_parent.span_id == transactions[0]["id"]
def _request_started_handler(client, sender, *args, **kwargs):
if not _should_start_transaction(client):
return
# try to find trace id
if "environ" in kwargs:
trace_parent = TraceParent.from_headers(
kwargs["environ"],
TRACEPARENT_HEADER_NAME_WSGI,
TRACEPARENT_LEGACY_HEADER_NAME_WSGI,
TRACESTATE_HEADER_NAME_WSGI,
)
elif "scope" in kwargs and "headers" in kwargs["scope"]:
trace_parent = TraceParent.from_headers(kwargs["scope"]["headers"])
else:
trace_parent = None
client.begin_transaction("request", trace_parent=trace_parent)
async def _request_started(self, request: Request):
"""Captures the begin of the request processing to APM.
Args:
request (Request)
"""
# When we consume the body, we replace the streaming mechanism with
# a mocked version -- this workaround came from
# https://github.com/encode/starlette/issues/495#issuecomment-513138055
# and we call the workaround here to make sure that regardless of
# `capture_body` settings, we will have access to the body if we need it.
if self.client.config.capture_body != "off":
await get_body(request)
if not self.client.should_ignore_url(request.url.path):
trace_parent = TraceParent.from_headers(dict(request.headers))
self.client.begin_transaction("request", trace_parent=trace_parent)
await set_context(
lambda: get_data_from_request(request, self.client.config,
constants.TRANSACTION),
"request")
transaction_name = self.get_route_name(request) or request.url.path
elasticapm.set_transaction_name("{} {}".format(
request.method, transaction_name),
override=False)
def test_requests_instrumentation(instrument, elasticapm_client,
waiting_httpserver):
waiting_httpserver.serve_content("")
url = waiting_httpserver.url + "/hello_world"
parsed_url = compat.urlparse.urlparse(url)
elasticapm_client.begin_transaction("transaction.test")
with capture_span("test_request", "test"):
requests.get(url, allow_redirects=False)
elasticapm_client.end_transaction("MyView")
transactions = elasticapm_client.events[TRANSACTION]
spans = elasticapm_client.spans_for_transaction(transactions[0])
assert spans[0]["name"].startswith("GET 127.0.0.1:")
assert spans[0]["type"] == "external"
assert spans[0]["subtype"] == "http"
assert url == spans[0]["context"]["http"]["url"]
assert spans[0]["context"]["destination"]["service"] == {
"name": "http://127.0.0.1:%d" % parsed_url.port,
"resource": "127.0.0.1:%d" % parsed_url.port,
"type": "external",
}
assert constants.TRACEPARENT_HEADER_NAME in waiting_httpserver.requests[
0].headers
trace_parent = TraceParent.from_string(
waiting_httpserver.requests[0].headers[
constants.TRACEPARENT_HEADER_NAME])
assert trace_parent.trace_id == transactions[0]["trace_id"]
# this should be the span id of `requests`, not of urllib3
assert trace_parent.span_id == spans[0]["id"]
assert trace_parent.trace_options.recorded