def track_start_request(self, request):
headers = request.headers
trace_name = request.path_qs
if request.matched_route:
# we only get a matched route if we've gone through the router.
trace_name = request.matched_route.pattern
trace = Trace(
request.method + " " + trace_name,
int_or_none(headers.get("X-B3-TraceId", None)),
int_or_none(headers.get("X-B3-SpanId", None)),
int_or_none(headers.get("X-B3-ParentSpanId", None)),
endpoint=self.endpoint,
)
if "X-B3-TraceId" not in headers:
log.info("no trace info from request: %s", request.path_qs)
if request.matchdict: # matchdict maybe none if no route is registered
for k, v in request.matchdict.items():
trace.record(Annotation.string("route.param.%s" % k, v))
trace.record(Annotation.string("http.path", request.path_qs))
log.info("new trace %r", trace.trace_id)
stack_trace(trace)
trace.record(Annotation.server_recv())
self.trace = trace
def before_cursor_execute(conn, cursor, statement, parameters, context,
executemany):
try:
endpoint = endpoints.get(conn.engine)
parent_trace = get_current_trace()
if not parent_trace:
log.error('No parent found while tracing SQL')
return
try:
context.trace = parent_trace.child('SQL', endpoint=endpoint)
abstract = context
except AttributeError:
cursor.trace = parent_trace.child('SQL', endpoint=endpoint)
abstract = cursor
abstract.trace.record(Annotation.string('db.statement', statement))
if parameters:
if isinstance(parameters, dict):
parameters = dict([(key, getattr(param, 'logged_value', param))
for key, param in parameters.items()])
else:
parameters = [
getattr(param, 'logged_value', param)
for param in parameters
]
abstract.trace.record(
Annotation.string('db.parameters', repr(parameters)))
abstract.trace.record(Annotation.string('span.kind', 'client'))
abstract.trace.record(Annotation.server_recv())
except Exception:
log.exception('Unexpected exception while tracing SQL')
def request(self, host, handler, request_body, verbose=0):
try:
https = isinstance(self, xmlrpclib.SafeTransport)
protocol = "https://" if https else "http://"
target = "%s%s%s" % (protocol, host, handler)
match = _parse_method_name.search(request_body)
method = match.group(1) if match else None
parent_trace = local().current
self._trace = parent_trace.child("xmlrpclib")
self._trace.record(Annotation.string("uri", target))
if method:
self._trace.record(Annotation.string("method", method))
self._trace.record(Annotation.server_recv())
except Exception as exc:
log.error(repr(exc))
try:
return self.__origin.request(self, host, handler, request_body, verbose)
finally:
try:
self._trace.record(Annotation.server_send())
except:
pass
def wrapped(cursor, statement, vars=None):
trace = None
parent_trace = get_current_trace()
if parent_trace:
trace = parent_trace.child(trace_name)
trace.record(Annotation.string("db.statement", statement))
if vars:
if isinstance(vars, dict):
params = dict([(key,
getattr(param, "logged_value", param))
for key, param in vars.items()])
else:
params = [
getattr(param, "logged_value", param)
for param in vars
]
trace.record(
Annotation.string("db.parameters", repr(params)))
trace.record(Annotation.string("span.kind", "client"))
trace.record(Annotation.server_send())
try:
fn(cursor, statement, vars)
finally:
if trace:
status = "OK" if sys.exc_info()[0] is None else "KO"
trace.record(Annotation.string("status", status))
trace.record(Annotation.server_recv())
def init_trace(request):
headers = request.headers
trace_name = request.method + " " + request.path_info
trace = Trace(
trace_name,
int_or_none(headers.get("X-B3-TraceId", None)),
int_or_none(headers.get("X-B3-SpanId", None)),
int_or_none(headers.get("X-B3-ParentSpanId", None)),
endpoint=Endpoint(ZipkinConfig.service_name),
)
trace.record(Annotation.string("http.path", request.path_info))
trace.record(Annotation.string("span.kind", "client"))
trace.record(Annotation.server_recv())
stack_trace(trace)
return trace
def pre_response(app, response, **extra):
request.trace.record(
Annotation.string('http.responsecode',
'{0}'.format(response.status_code)))
request.trace.record(Annotation.server_send())
log(request.trace)
local().pop()
def log_response(trace, response):
trace.record(
Annotation.string("http.responsecode",
"{0}".format(response.status_code)))
trace.record(Annotation.server_send())
try:
zipkin_log(trace)
except Exception as err:
log.error("Error while sending trace: %s", trace)
def dbapi_error(conn, cursor, statement, parameters, context, exception):
if not hasattr(context, 'trace') and not hasattr(cursor, 'trace'):
return
abstract = context if hasattr(context, 'trace') else cursor
try:
abstract.trace.record(Annotation.string('status', 'KO'))
abstract.trace.record(Annotation.server_send())
except Exception:
log.exception('Unexpected exception while tracing SQL')
def dbapi_error(conn, cursor, statement, parameters, context, exception):
if not hasattr(context, "trace") and not hasattr(cursor, "trace"):
return
abstract = context if hasattr(context, "trace") else cursor
try:
abstract.trace.record(Annotation.string("status", "KO"))
abstract.trace.record(Annotation.server_send())
except Exception:
log.exception("Unexpected exception while tracing SQL")
def pre_request(request):
parent_trace = local().current
if not parent_trace:
return request
request.trace = parent_trace.child("requests:%s %s" %
(request.method, request.url))
forwarded_trace = request.trace.child_noref("subservice")
request.headers['X-B3-TraceId'] = hex_str(forwarded_trace.trace_id)
request.headers['X-B3-SpanId'] = hex_str(forwarded_trace.span_id)
if forwarded_trace.parent_span_id is not None:
request.headers['X-B3-ParentSpanId'] = \
hex_str(forwarded_trace.parent_span_id)
request.trace.record(Annotation.string('http.method', request.method))
request.trace.record(Annotation.string('http.url', request.url))
request.trace.record(Annotation.string('span.kind', 'client'))
request.trace.record(Annotation.server_recv())
return request
def pre_request(app, **extra):
headers = request.headers
trace = Trace(request.method + ' ' + request.url,
int_or_none(headers.get('X-B3-TraceId', None)),
int_or_none(headers.get('X-B3-SpanId', None)),
int_or_none(headers.get('X-B3-ParentSpanId', None)),
endpoint=endpoint)
setattr(request, 'trace', trace)
local().append(trace)
trace.record(Annotation.string('http.uri', request.url))
trace.record(Annotation.server_recv())
def pre_response(resp, req=None):
if not req:
req = resp.request
if not hasattr(req, 'trace'):
return resp
req.trace.record(
Annotation.string('http.status_code',
'{0}'.format(getattr(resp, 'status', None))))
req.trace.record(Annotation.server_send())
return resp
def pre_response(resp, req=None):
if not req:
req = resp.request
if not hasattr(req, "trace"):
return resp
req.trace.record(
Annotation.string("http.status_code",
"{0}".format(getattr(resp, "status", None))))
req.trace.record(Annotation.server_send())
return resp
def pre_request(request):
parent_trace = local().current
if not parent_trace:
return request
url = filter_url_path(request.url)
request.trace = parent_trace.child("requests:%s %s" %
(request.method, url))
forwarded_trace = request.trace.child_noref("subservice")
request.headers["X-B3-TraceId"] = hex_str(forwarded_trace.trace_id)
request.headers["X-B3-SpanId"] = hex_str(forwarded_trace.span_id)
if forwarded_trace.parent_span_id is not None:
request.headers["X-B3-ParentSpanId"] = hex_str(
forwarded_trace.parent_span_id)
request.trace.record(Annotation.string("http.method", request.method))
request.trace.record(Annotation.string("http.url", request.url))
request.trace.record(Annotation.string("span.kind", "client"))
request.trace.record(Annotation.server_recv())
return request
def pre_request(app, **extra):
headers = request.headers
trace = Trace(
request.method + " " + request.url,
int_or_none(headers.get("X-B3-TraceId", None)),
int_or_none(headers.get("X-B3-SpanId", None)),
int_or_none(headers.get("X-B3-ParentSpanId", None)),
endpoint=endpoint,
)
setattr(request, "trace", trace)
local().append(trace)
trace.record(Annotation.string("http.uri", request.url))
trace.record(Annotation.server_recv())
