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mod_wsgi.rst

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Installing the API Behind mod_wsgi

Ceilometer comes with a few example files for configuring the API service to run behind Apache with mod_wsgi.

app.wsgi

The file ceilometer/api/app.wsgi sets up the V2 API WSGI application. The file is installed with the rest of the ceilometer application code, and should not need to be modified.

etc/apache2/ceilometer

The etc/apache2/ceilometer file contains example settings that work with a copy of ceilometer installed via devstack.

../../../etc/apache2/ceilometer

  1. Copy or symlink the file to /etc/apache2/sites-avilable.
  2. Modify the VirtualHost directive, setting a hostname or IP for the service. The default settings assume that the ceilometer API is the only service running on the local Apache instance, which conflicts with Horizon's default configuration.
3. Modify the WSGIDaemonProcess directive to set the

user and group values to a user available on your server.

4. Modify the APACHE_RUN_USER and APACHE_RUN_GROUP values to

the name of a user and group available on your server.

  1. Enable the ceilometer site.

    $ a2ensite ceilometer
$ service apache2 reload