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Documentation for Installing ceilometer not correct

asked 2017-01-05 22:53:15 -0500

DarkKnight gravatar image

I have religiously followed the documentation found here for installing ceilometer services. I have noticed that the documentation is not correct.

Under the configure the "Apache HTTP Server" section, the documentation suggests to add these entries in the /etc/httpd/conf.d/wsgi-ceilometer.conf file.

Listen 8777

<VirtualHost *:8777>
    WSGIDaemonProcess ceilometer-api processes=2 threads=10 user=ceilometer group=ceilometer display-name=%{GROUP}
    WSGIProcessGroup ceilometer-api
    WSGIScriptAlias / /usr/lib/python2.7/site-packages/ceilometer/api/app.wsgi
    WSGIApplicationGroup %{GLOBAL}
    ErrorLog /var/log/httpd/ceilometer_error.log
    CustomLog /var/log/httpd/ceilometer_access.log combined </VirtualHost>

WSGISocketPrefix /var/run/httpd

However , if you look closely, the ceilometer-api service also listens for requests on 8777 port, thus causing a conflict. In my case, i have changed the port in the wsgi-ceilometer.conf file to 8778. Ans that works ,as expected, properly. This post is not a question, but an attempt to know about how can i point this to the documentation team, so that others dont suffer as i did. Can anyone point me to the links or suggest the steps.

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answered 2017-01-06 06:12:38 -0500

updated 2017-01-06 06:16:11 -0500

First, please don't use draft documentation. Unfortunately, this is not that obvious from the page you refer to, but your URL contains the word "draft".

Second, if you find errors on current (neither draft nor outdated) doc pages, use the cute little bug link at the top or the bottom of the page to submit a bug. It's roughly as painless as using this forum, and it ensures you get the attention of the documentation team. If it turns out not to be a bug but a misconception on your side, it might still trigger some improvement to remove future misconceptions.

Having said that, yprokule's answer seems to be correct.

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answered 2017-01-06 05:53:30 -0500

yprokule gravatar image

ceilometer-api is running from under Apache's mod_wsgi, hence U don't need to start a service on it's own. I mean systemctl start openstack-ceilometer-api.service is not required anymore.

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Asked: 2017-01-05 22:53:15 -0500

Seen: 94 times

Last updated: Jan 06 '17