def __call__(self, environ, start_response):
env = environ
def new_start_response(status, headers, exc_info=None):
"""Modified start response with additional headers."""
internal_tracer.inject(span.context, ot.Format.HTTP_HEADERS,
headers)
res = start_response(status, headers, exc_info)
sc = status.split(' ')[0]
if 500 <= int(sc) <= 511:
span.set_tag("error", True)
ec = span.tags.get('ec', 0)
span.set_tag("ec", ec + 1)
span.set_tag(tags.HTTP_STATUS_CODE, sc)
span.finish()
return res
if 'HTTP_X_INSTANA_T' in env and 'HTTP_X_INSTANA_S' in env:
ctx = internal_tracer.extract(ot.Format.HTTP_HEADERS, env)
span = internal_tracer.start_span("wsgi", child_of=ctx)
else:
span = internal_tracer.start_span("wsgi")
span.set_tag(tags.HTTP_URL, env['PATH_INFO'])
span.set_tag("http.params", env['QUERY_STRING'])
span.set_tag(tags.HTTP_METHOD, env['REQUEST_METHOD'])
span.set_tag("http.host", env['HTTP_HOST'])
return self.app(environ, new_start_response)
def test_basic_request(self):
span = tracer.start_span("test")
response = self.client.service.ask_question(u'Why u like dat?', 5)
span.finish()
spans = self.recorder.queued_spans()
assert_equals(3, len(spans))
wsgi_span = spans[0]
soap_span = spans[1]
test_span = spans[2]
assert_equals(1, len(response))
assert_equals(1, len(response[0]))
assert (type(response[0]) is list)
assert_equals("test", test_span.data.sdk.name)
assert_equals(test_span.t, soap_span.t)
assert_equals(soap_span.p, test_span.s)
assert_equals(wsgi_span.t, soap_span.t)
assert_equals(wsgi_span.p, soap_span.s)
assert_equals(None, soap_span.error)
assert_equals(None, soap_span.ec)
assert_equals('ask_question', soap_span.data.soap.action)
assert_equals('http://localhost:4132/', soap_span.data.http.url)
assert_equals(None, tracer.current_context())
def test_get_request(self):
span = tracer.start_span("test")
r = self.http.request('GET', 'http://127.0.0.1:5000/')
span.finish()
spans = self.recorder.queued_spans()
assert_equals(2, len(spans))
first_span = spans[1]
second_span = spans[0]
assert(r)
assert_equals(200, r.status)
assert_equals("test", first_span.data.sdk.name)
assert_equals("urllib3", second_span.n)
assert_equals(200, second_span.data.http.status)
assert_equals("http://127.0.0.1:5000/", second_span.data.http.url)
assert_equals("GET", second_span.data.http.method)
assert_equals(None, second_span.error)
assert_equals(None, second_span.ec)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
assert_equals(None, tracer.current_context())
def test_client_error(self):
span = tracer.start_span("test")
r = None
try:
r = self.http.request('GET', 'http://doesnotexist.asdf:5000/504',
retries=False,
timeout=urllib3.Timeout(connect=0.5, read=0.5))
except Exception:
pass
span.finish()
spans = self.recorder.queued_spans()
assert_equals(2, len(spans))
first_span = spans[1]
second_span = spans[0]
assert_equals(None, r)
assert_equals("test", first_span.data.sdk.name)
assert_equals("urllib3", second_span.n)
assert_equals(None, second_span.data.http.status)
assert_equals("http://doesnotexist.asdf:5000/504", second_span.data.http.url)
assert_equals("GET", second_span.data.http.method)
assert_equals(True, second_span.error)
assert_equals(1, second_span.ec)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
def test_exception_logging(self):
span = tracer.start_span("test")
try:
r = self.http.request('GET', 'http://127.0.0.1:5000/exception')
except Exception:
pass
span.finish()
spans = self.recorder.queued_spans()
assert_equals(2, len(spans))
first_span = spans[1]
second_span = spans[0]
assert(r)
assert_equals(500, r.status)
assert_equals("test", first_span.data.sdk.name)
assert_equals("urllib3", second_span.n)
assert_equals(500, second_span.data.http.status)
assert_equals("http://127.0.0.1:5000/exception", second_span.data.http.url)
assert_equals("GET", second_span.data.http.method)
assert_equals(True, second_span.error)
assert_equals(1, second_span.ec)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
def process_request(self, request):
try:
env = request.environ
if 'HTTP_X_INSTANA_T' in env and 'HTTP_X_INSTANA_S' in env:
ctx = internal_tracer.extract(ot.Format.HTTP_HEADERS, env)
span = internal_tracer.start_span("django", child_of=ctx)
else:
span = internal_tracer.start_span("django")
span.set_tag(ext.HTTP_URL, env['PATH_INFO'])
span.set_tag("http.params", env['QUERY_STRING'])
span.set_tag(ext.HTTP_METHOD, request.method)
span.set_tag("http.host", env['HTTP_HOST'])
self.span = span
except Exception as e:
logger.debug("Instana middleware @ process_response: ", e)
def test_requestspkg_put(self):
span = tracer.start_span("test")
r = requests.put('http://127.0.0.1:5000/notfound')
span.finish()
spans = self.recorder.queued_spans()
assert_equals(2, len(spans))
first_span = spans[1]
second_span = spans[0]
assert_equals(404, r.status_code)
assert_equals("test", first_span.data.sdk.name)
assert_equals("urllib3", second_span.n)
assert_equals(404, second_span.data.http.status)
assert_equals("http://127.0.0.1:5000/notfound", second_span.data.http.url)
assert_equals("PUT", second_span.data.http.method)
assert_equals(None, second_span.error)
assert_equals(None, second_span.ec)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
def test_301_redirect(self):
span = tracer.start_span("test")
r = self.http.request('GET', 'http://127.0.0.1:5000/301')
span.finish()
spans = self.recorder.queued_spans()
assert_equals(3, len(spans))
first_span = spans[2]
second_span = spans[1]
third_span = spans[0]
assert(r)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
assert_equals(third_span.t, first_span.t)
assert_equals(third_span.p, first_span.s)
assert(first_span.d)
assert(second_span.d)
assert(third_span.d)
def test_requestspkg_get(self):
span = tracer.start_span("test")
r = requests.get('http://127.0.0.1:5000/', timeout=2)
span.finish()
spans = self.recorder.queued_spans()
assert_equals(2, len(spans))
first_span = spans[1]
second_span = spans[0]
assert(r)
assert_equals(200, r.status_code)
assert_equals("test", first_span.data.sdk.name)
assert_equals("urllib3", second_span.n)
assert_equals(200, second_span.data.http.status)
assert_equals("http://127.0.0.1:5000/", second_span.data.http.url)
assert_equals("GET", second_span.data.http.method)
assert_equals(None, second_span.error)
assert_equals(None, second_span.ec)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
def test_5xx_request(self):
span = tracer.start_span("test")
r = self.http.request('GET', 'http://127.0.0.1:5000/504')
span.finish()
spans = self.recorder.queued_spans()
assert_equals(2, len(spans))
first_span = spans[1]
second_span = spans[0]
assert(r)
assert_equals(504, r.status)
assert_equals("test", first_span.data.sdk.name)
assert_equals("urllib3", second_span.n)
assert_equals(504, second_span.data.http.status)
assert_equals("http://127.0.0.1:5000/504", second_span.data.http.url)
assert_equals("GET", second_span.data.http.method)
assert_equals(True, second_span.error)
assert_equals(1, second_span.ec)
assert_equals(second_span.t, first_span.t)
assert_equals(second_span.p, first_span.s)
def test_server_fault(self):
response = None
try:
span = tracer.start_span("test")
response = self.client.service.server_fault()
except:
pass
finally:
span.finish()
spans = self.recorder.queued_spans()
assert_equals(3, len(spans))
wsgi_span = spans[0]
soap_span = spans[1]
test_span = spans[2]
assert_equals(None, response)
assert_equals("test", test_span.data.sdk.name)
assert_equals(test_span.t, soap_span.t)
assert_equals(soap_span.p, test_span.s)
assert_equals(wsgi_span.t, soap_span.t)
assert_equals(wsgi_span.p, soap_span.s)
assert_equals(True, soap_span.error)
assert_equals(1, soap_span.ec)
assert ('logs' in soap_span.data.custom.__dict__)
assert_equals(1, len(soap_span.data.custom.logs.keys()))
tskey = list(soap_span.data.custom.logs.keys())[0]
assert ('message' in soap_span.data.custom.logs[tskey])
assert_equals(u"Server raised fault: 'Server side fault example.'",
soap_span.data.custom.logs[tskey]['message'])
assert_equals('server_fault', soap_span.data.soap.action)
assert_equals('http://localhost:4132/', soap_span.data.http.url)
assert_equals(None, tracer.current_context())
