def decorator(*args, **keywords):
try:
route = args[2] if args[2] else None
context.push_tag('web.route', route)
context.push_tag('web.method', args[1])
telemetry.count('web.requests')
Timing.push_timer()
# call the request function
response = f(*args, **keywords)
if response.status:
telemetry.count('web.status.%sxx' % response.status[0:1])
return response
except Exception as e:
telemetry.count('web.errors')
raise e
finally:
try:
elapsed, net_elapsed = Timing.pop_timer()
telemetry.record('web.response.latency', elapsed)
telemetry.record('app.response.latency', net_elapsed)
try:
context.pop_tag()
context.pop_tag()
except:
logger.exception('Problem popping contexts')
except:
logger.exception('Teardown handler failed')
raise
def process_response(self, request, response):
elapsed, net_elapsed = Timing.pop_timer()
if self.is_active:
telemetry.record("web.response.latency", elapsed)
telemetry.record("app.response.latency", net_elapsed)
telemetry.count("web.status.%ixx" % floor(response.status_code / 100))
try:
context.pop_tag()
except IndexError:
logger.exception("process_response cannot pop context")
context.pop_state(STATE_NAME)
self.is_active = False
else:
logger.warn("process_response without request")
return response
def decorator(*args, **keywords):
try:
from flask import request
route = request.url_rule.rule if request.url_rule else None
context.push_tag('web.route', route)
context.push_tag('web.method', request.method)
telemetry.count('web.requests')
Timing.push_timer()
return f(*args, **keywords)
finally:
elapsed, net_elapsed = Timing.pop_timer()
telemetry.record('web.response.latency', elapsed)
telemetry.record('app.response.latency', net_elapsed)
context.pop_tag()
context.pop_tag()
def pop_tag():
"""
Pops the context entry from the top of the stack and returns it.
Example
context.push('route', '/v1/foo')
context.push('user-operation', 'create-foo')
# context is [('route', '/v1/foo'),('user-operation', 'create-foo')]
e = context.pop()
# e is ('user-operation', 'create-foo')
e = context.pop()
# e is ('route', '/v1/foo')
:return: the entry on the top of the stack
"""
return context.pop_tag()
