def get_baggage_item(self, key: str) -> Optional[object]:
"""Retrieves value of the baggage item with the given key.
Args:
key: A tag key.
Returns:
Returns this :class:`SpanShim` instance to allow call chaining.
"""
# pylint: disable=protected-access
return get_baggage(key, context=self._context._baggage)
def send_requests():
RequestsInstrumentor().instrument()
configure_opentelemetry(
service_name="client_service_name",
service_version="client_version", # optional
)
tracer = get_tracer(__name__)
def request(url):
with tracer.start_as_current_span("request to {}".format(url)) as span:
try:
get(url)
except Exception as error:
span.set_attribute("error", "true")
span.record_exception(error)
attempts = 10
for attempt in range(attempts):
debug("Sending requests %s/%s", attempt + 1, attempts)
with tracer.start_as_current_span("foo"):
debug("Current span: %s", get_current_span())
with tracer.start_as_current_span("add-attribute") as span:
span.set_attribute("attr1", "valu1")
debug("Current span: %s", get_current_span())
debug(
"Baggage: %s",
get_baggage("example", set_baggage("example", "value")),
)
with tracer.start_as_current_span("bar"):
debug("Hello, server!")
request("http://localhost:8000/hello")
request("http://doesnotexist:8000")
sleep(1)
request("http://localhost:8000/shutdown")
def test_baggages_current_context(self):
token = context.attach(baggage.set_baggage("test", "value"))
self.assertEqual(baggage.get_baggage("test"), "value")
context.detach(token)
self.assertEqual(baggage.get_baggage("test"), None)
# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from opentelemetry import baggage, trace
tracer = trace.get_tracer(__name__)
global_ctx = baggage.set_baggage("context", "global")
with tracer.start_as_current_span(name="root span") as root_span:
parent_ctx = baggage.set_baggage("context", "parent")
with tracer.start_as_current_span(name="child span",
context=parent_ctx) as child_span:
child_ctx = baggage.set_baggage("context", "child")
print(baggage.get_baggage("context", global_ctx))
print(baggage.get_baggage("context", parent_ctx))
print(baggage.get_baggage("context", child_ctx))