On 14/02/17 16:11, Joshua Hesketh wrote:
Hey Tom,

Where is that script being fired from (a quick grep doesn't find it), or
is it a tool people are using?

If it's a tool we'd need to make sure whoever is using it gets a new
version to rule it out.

Indeed.


It's fired from a PHP service on www.openstack.org itself, which writes to the Member database:

https://github.com/OpenStackweb/openstack-org/blob/master/auc-metrics/code/services/ActiveModeratorService.php

The next step is to update the copy of the script it references:

https://github.com/OpenStackweb/openstack-org/blob/master/auc-metrics/lib/uc-recognition/tools/get_active_moderator.py

I am not sure if this is in place using git submodules or manually, but will figure it out and get that updated.




 - Josh

On Tue, Feb 14, 2017 at 7:07 PM, Tom Fifield <t...@openstack.org
<mailto:t...@openstack.org>> wrote:

    On 14/02/17 16:06, Joshua Hesketh wrote:

        Hey,

        I've brought the service back up, but have no new clues as to why.


    Cheers.

    Going to try: https://review.openstack.org/#/c/433478/
    <https://review.openstack.org/#/c/433478/>
    to see if this script is culprit.


        - Josh

        On Tue, Feb 14, 2017 at 6:50 PM, Tom Fifield <t...@openstack.org
        <mailto:t...@openstack.org>
        <mailto:t...@openstack.org <mailto:t...@openstack.org>>> wrote:

            On 10/02/17 22:39, Jeremy Stanley wrote:

                On 2017-02-10 16:08:51 +0800 (+0800), Tom Fifield wrote:
                [...]

                    Down again, this time with "Network is unreachable".

                [...]

                I'm not finding any obvious errors on the server nor
        relevant
                maintenance notices/trouble tickets from the service
        provider to
                explain this. I do see conspicuous gaps in network
        traffic volume
                and system load from ~06:45 to ~08:10 UTC according to
        cacti:

                    http://cacti.openstack.org/?tree_id=1&leaf_id=156
        <http://cacti.openstack.org/?tree_id=1&leaf_id=156>
                <http://cacti.openstack.org/?tree_id=1&leaf_id=156
        <http://cacti.openstack.org/?tree_id=1&leaf_id=156>>

                Skipping back through previous days I find some similar gaps
                starting anywhere from 06:30 to 07:00 and ending between
        07:00 and
                08:00 but they don't seem to occur every day and I'm not
        having much
                luck finding a pattern. It _is_ conspicuously close to when
                /etc/cron.daily scripts get fired from the crontab so
        might coincide
                with log rotation/service restarts? The graphs don't
        show these gaps
                correlating with any spikes in CPU, memory or disk
        activity so it
                doesn't seem to be resource starvation (at least not for
        any common
                resources we're tracking).


            Indeed. It's down again today during the same timeslot.

            Another idea for the cron-based theory:


        
https://github.com/openstack/uc-recognition/blob/master/tools/get_active_moderator.py
        
<https://github.com/openstack/uc-recognition/blob/master/tools/get_active_moderator.py>

        
<https://github.com/openstack/uc-recognition/blob/master/tools/get_active_moderator.py
        
<https://github.com/openstack/uc-recognition/blob/master/tools/get_active_moderator.py>>

            loops through the list of Ask OpenStack users via the API on
        a cron
            running on www.openstack.org <http://www.openstack.org>
        <http://www.openstack.org>. Not sure
            when that cron runs, but if it's similar, this could
        potentially be
            a high-load generator.




            Regards,


            Tom


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