Here's the full stack trace. I'm not sure where the ip 172.20.0.2:59810 is
coming from at all.... :
Exception happened during processing of request from ('172.20.0.2', 59810)
Traceback (most recent call last):
File "/usr/local/lib/python3.7/socketserver.py", line 650, in
process_request_thread
self.finish_request(request, client_address)
File "/usr/local/lib/python3.7/socketserver.py", line 360, in finish_request
self.RequestHandlerClass(request, client_address, self)
File "/usr/local/lib/python3.7/socketserver.py", line 720, in __init__
self.handle()
File "/usr/local/lib/python3.7/http/server.py", line 426, in handle
self.handle_one_request()
File "/usr/local/lib/python3.7/http/server.py", line 414, in
handle_one_request
method()
File
"/usr/local/lib/python3.7/site-packages/prometheus_client/exposition.py",
line 159, in do_GET
self.wfile.write(output)
File "/usr/local/lib/python3.7/socketserver.py", line 799, in write
self._sock.sendall(b)
BrokenPipeError: [Errno 32] Broken pipe
On Sat, 12 Dec 2020 at 21:10, Patrick Macdonald <[email protected]>
wrote:
> I'm just starting with prometheus. I've setup a python collector that I'm
> successfully scraping. The collector is doing a few api queries with one of
> our products. This can take 5-10 seconds. Even if I set the scrape duration
> to greater than the maximum query time, I'm finding the collector is
> returning zero as a value regularly.
> In the collector logs I'm getting the following error :
> ```
> BrokenPipeError: [Errno 32] Broken pipe
> ```
> The main collector method is :
>
> def collect(self):
> logging.info("collect : {}".format(self))
>
> g = GaugeMetricFamily("sg_one_time_query", 'Help text',
> labels=['site', 'field'])
>
> data = self.get_shotgun_API_response()
> logging.info("data : {}".format(data))
> if data:
>
> g.add_metric([_SG_SCRIPT_SITE, 'sg_one_time_query'],
> data['sg_one_time_query'])
>
> g.add_metric([_SG_SCRIPT_SITE, 'sg_one_time_update'],
> data['sg_one_time_update'])
>
> g.add_metric([_SG_SCRIPT_SITE, 'sg_open_ended_query'],
> data['sg_open_ended_query'])
> yield g
>
> So what I think is happening is that Prometheus is scraping this collector
> before the get_shogun_API_response method has returned a value.
>
> Does anyone know how I can fix the collect() method so it gracefully
> handles situations when the next scrape happens before the
> get_shotgun_API_response method has returned a value to yield?
>
> Thanks in advance for your help!
> Cheers
> Patrick
>
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