def _handle_stats_request(stats_req):
filename = construct_filename(stats_req.start_time, stats_req.end_time)
data = storage.select_time_range(stats_req.start_time, stats_req.end_time)
try:
plot_data(data, filename)
stats_req.image_id = str(uuid.uuid4())
# storage.create_image_filename(stats_req.image_id, filename)
storage.create_image_bytes(stats_req.image_id, open(filename, 'rb').read())
stats_req.status = Status.COMPLETED
except GnuplotException as e:
print traceback.format_exc()
stats_req.status = Status.ERROR
except Exception as e:
print traceback.format_exc()
stats_req.status = Status.INTERNAL_ERROR
storage.update_stats_request(stats_req)
def on_get(self, req, resp):
"""Handle GET /stats-files"""
if 'start_time' not in req.params:
resp.status = falcon.HTTP_400
resp.body = make_error_body('Need "start_time" url parameter')
return
if 'end_time' not in req.params:
resp.status = falcon.HTTP_400
resp.body = make_error_body('Need "end_time" url parameter')
return
try:
start_time = float(req.params['start_time'])
end_time = float(req.params['end_time'])
except ValueError as e:
resp.status = falcon.HTTP_400
resp.body = make_error_body(str(e))
return
data = storage.select_time_range(start_time, end_time)
resp.content_type = 'text/plain'
resp.status = falcon.HTTP_200
resp.body = "\n".join(data)
