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<p class="MsoNormal"><span style="color:#1F497D">Btw, there is no “service.stat” record/row in “meter” table in ceilometer database.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Gary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Duan, Li-Gong (Gary@HPServers-Core-OE-PSC) <br>
<b>Sent:</b> Monday, August 18, 2014 3:45 PM<br>
<b>To:</b> openstack-dev@lists.openstack.org<br>
<b>Cc:</b> Duan, Li-Gong (Gary@HPServers-Core-OE-PSC)<br>
<b>Subject:</b> [Ceilometer] publisher metering_secret in ceilometer.conf<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi Folks,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I created a new pollster plugin for ceilometer by:<o:p></o:p></p>
<pre style="line-height:13.5pt;background:white;vertical-align:baseline"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif""> - adding a new item under enterypoint/ceilometer.poll.central in setup.cfg file<o:p></o:p></span></pre>
<p class="MsoNormal" style="text-indent:9.0pt">- adding the implementation code inheriting “plugin.CentralPollster”<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">- adding a new source to pipeline.yaml as bellows:<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">---------------------------------------<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"> - name: service_source<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"> interval: 600<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"> meters:<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"> - "service.stat"<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"> sinks:<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"> - meter_sink<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">---------------------------------------<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">But the new meter doesn’t show up in the output of “ceilometer meter-list”.
<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">See the log of ceilometer-agent-central, it might be caused by not correct signature during dispactching:<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">--------------------------<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">2014-08-18 03:07:13.170 16528 DEBUG ceilometer.dispatcher.database [-] metering data service.stat for 7398ae3f-c866-4484-b975-19d121acb2b1 @ 2014-08-18T03:07:13.137888: 0 record_metering_data /opt/stack/ceilometer/ceilometer/dispatcher/database.py:55<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">2014-08-18 03:07:13.171 16528 WARNING ceilometer.dispatcher.database
<span style="background:yellow;mso-highlight:yellow">[-] message signature invalid</span>, discarding message: {u'counter_name': …<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">---------------------------<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">Seen from the source code (ceilometer/dispatcher/database.py:record_metering_data()), it fails when verify_signature. So I added a new item to ceilometer.conf:<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">-------------------------<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">[publisher_rpc]<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">metering_secret = 11110000111100001111<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">-------------------------<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">And then the above warning log(message signature invalid) disappears, but the it seems that record_metering_data() is NOT invoked at all, because there is no the above debug log either.<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt">And then I remove the metering_secret from ceilometer.conf, record_metering_data() is still not be invoked.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My questions are:<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>For the issue of message signature invalid during invoking recording_metering_data(), is it a correct solution to add “metering_secret” items to ceilometer.conf?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Are there anything wrong after adding meter_secret, so that record_metering_data() could not be invoked?
<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>What else config/source file should I need to modify if I want my new meter shown up in “ceilometer meter-list” output?<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">
</span></span><![endif]>Any other suggestions/comments?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance!<o:p></o:p></p>
<p class="MsoNormal">-Gary<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="text-indent:9.0pt"><o:p> </o:p></p>
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