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<p class="MsoNormal">Hi Paul,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m glad that my fix helped. <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regarding the Doctor datasource: the purpose of this datasource was to be used by the Doctor test scripts. Do you intend to modify it, or to create a new similar datasource that also supports polling? Modifying the existing datasource could
be problematic, since we need to make sure the existing functionality and tests stay the same.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">In general, most of our datasources support both polling and notifications. A simple example is the Cinder datasource [1]. For example of an alarm datasource, you can look at Zabbix datasource [2]. You can also go over the documentation
of how to add a new datasource [3].<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">As for your question, it is the responsibility of the datasource to clear the alarms that it created. For the Doctor datasource, you can send an event with “status”:”up” in the details and the datasource will clear the alarm.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[1] <a href="https://github.com/openstack/vitrage/tree/master/vitrage/datasources/cinder/volume">
https://github.com/openstack/vitrage/tree/master/vitrage/datasources/cinder/volume</a>
<o:p></o:p></p>
<p class="MsoNormal">[2] <a href="https://github.com/openstack/vitrage/tree/master/vitrage/datasources/zabbix">
https://github.com/openstack/vitrage/tree/master/vitrage/datasources/zabbix</a><o:p></o:p></p>
<p class="MsoNormal">[3] <a href="https://docs.openstack.org/vitrage/latest/contributor/add-new-datasource.html">
https://docs.openstack.org/vitrage/latest/contributor/add-new-datasource.html</a>
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best Regards,<o:p></o:p></p>
<p class="MsoNormal">Ifat.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="color:black">From: </span></b><span style="color:black">Paul Vaduva <Paul.Vaduva@enea.com><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org><br>
<b>Date: </b>Wednesday, 7 February 2018 at 15:50<br>
<b>To: </b>"OpenStack Development Mailing List (not for usage questions)" <openstack-dev@lists.openstack.org><br>
<b>Cc: </b>Ciprian Barbu <Ciprian.Barbu@enea.com><br>
<b>Subject: </b>Re: [openstack-dev] [vitrage] Vitrage alarm processing behavior</span><span style="font-size:12.0pt;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Times New Roman""><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#1F497D">Hi Ifat,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Yes I’ve checked the 1.3.1 refers to a deb package (python-vitrage) version built by us, so the git tag used to build that deb is 1.3.0.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">But I also backported doctor datasource from vitreage git master branch.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I also noticed that when I configure snapshots_interval=10 I also get this exception in
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">/var/log/vitrage/graph.log around the time the alarms disapear.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"><a href="https://hastebin.com/ukisajojef.sql">https://hastebin.com/ukisajojef.sql</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I've cherry picked your before mentioned change and the alarm that came from event is now persistent and the exception is gone.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">So it was a bug. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">I understand that for doctor datasources I need to have events for raising the alarm and also for clearing it is that correct?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Best Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D">Paul</span><o:p></o:p></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span><o:p></o:p></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b>From:</b> Afek, Ifat (Nokia - IL/Kfar Sava) [mailto:ifat.afek@nokia.com]
<br>
<b>Sent:</b> Wednesday, February 7, 2018 1:24 PM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions) <openstack-dev@lists.openstack.org><br>
<b>Subject:</b> Re: [openstack-dev] [vitrage] Vitrage alarm processing behavior<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Hi Paul,<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">It sounds like a bug. Alarms created by a datasource are not supposed to be deleted later on. It might be a bug that was fixed in Queens [1].<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">I’m not sure which Vitrage version you are actually using. I failed to find a vitrage version 1.3.1. Could it be that you are referring to a version of python-vitrageclient or vitrage-dashboard?
<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">In any case, if you are using an older version, I suggest that you try to use the fix that I mentioned [1] and see if it helps.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">[1] <a href="https://url10.mailanyone.net/v1/?m=1ejNt4-0001fR-4I&i=57e1b682&c=LqJB68i5VuuaUnZ6iOIMHVhcsHMatfhcTwtLpAT-Rn5UZ3qnX4tq4XOTjYR1XqQIDRQGrqGMwZI31cnT-bEHTFX95wRD-iENXse8JBDHIyv8iJUD7RiwDp74HqNHBFZ-BybLQgQ6-sVcf62n2ogMk31b-Sp0xUJZXxH_0q2Iu-4Hodt4gxhKuFMTT2breh42c7OT5kdHzPJThKClzSEBQ2NWkNTCy112gxlapjMCVxSNQ9nsLg4f0XyJaAVUnAHO">
https://review.openstack.org/#/c/524228</a> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal">Best Regards,<o:p></o:p></p>
<p class="MsoNormal">Ifat.<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span style="color:black">From:
</span></b><span style="color:black">Paul Vaduva <<a href="mailto:Paul.Vaduva@enea.com">Paul.Vaduva@enea.com</a>><br>
<b>Reply-To: </b>"OpenStack Development Mailing List (not for usage questions)" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<b>Date: </b>Wednesday, 7 February 2018 at 11:58<br>
<b>To: </b>"<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>" <<a href="mailto:openstack-dev@lists.openstack.org">openstack-dev@lists.openstack.org</a>><br>
<b>Subject: </b>[openstack-dev] [vitrage] Vitrage alarm processing behavior</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-family:"Times New Roman""> </span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:36.0pt">Hi Vitrage developers, <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">I have a question about vitrage innerworkings, I ported doctor datasource from master branch to an earlier version of vitrage (1.3.1).<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">I noticed some behavior I am wondering if it's ok or it is bug of some sort.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Here it is:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">1. I am sending some event for rasing an alarm to doctor datasource of vitrage.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">2. I am receiving the event hence the alarm is displayed on vitrage dashboard attached to the affected resource (as expected)<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">3. If I have configured snapshot_interval=10 in /etc/vitrage/vitrage.conf The alarm disapears after a while<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">fragment from /etc/vitrage/vitrage.conf<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">***************<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">[datasources]<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">types = nova.host,nova.instance,nova.zone,cinder.volume,neutron.network,neutron.port,doctor<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">snapshots_interval=10<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">***************<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">On the other hand if I comment it out the alarm persists
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">**************<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">[datasources]<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">types = nova.host,nova.instance,nova.zone,cinder.volume,neutron.network,neutron.port,doctor<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#snapshots_interval=10<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">**************<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">I am interested if this behavior is correct or is this a bug.
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">My intention is to create some sort of hybrid datasource starting from the doctor one, that receives events for raising alarms like compute.host.down
<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">but uses polling to clear them.<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> <o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Best Regards,<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Paul Vaduva<o:p></o:p></p>
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