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Installing Collectd-ceilometer-plugin with Devstack
This guide outlines how to install the collectd-ceilometer-plugin using a devstack deployment.
Pre-requisites
- Access to the internet
Installation of Devstack
Follow the instructions provided in the following document to set up your own Devstack deployment.
http://docs.openstack.org/developer/devstack/guides/single-machine.html
Once Devstack is ready to be deployed, follow the configuration steps in the next section to allow the installation of the plugin during deployment.
Configuration of Devstack
These configuration instructions only allow for the minimal installation of collectd, ceilometer and the plugin. The sample local.conf provided must be edited to enable additional services.
To configure Devstack for to install the plugin, download the sample local.conf from the collectd-ceilometer-plugin repo into your devstack directory.
wget https://github.com/openstack/collectd-ceilometer-plugin/blob/master/collectd_ceilometer/doc/source/examples/local.conf.minimal
Edit the "HOST_IP" varible to appropriately match your environment.
Also include your chosen "CEILOMETER_BACKEND", as there is no default backend for ceilometer. The options for this backend include mysql,es,postgresql or mongodb.
If you wish to enable any extra features please follow the instructions in the "Additional Features" section below before moving on to the next step.
Finally, build your devstack environment.
Verfication of Collectd-ceilometer-plugin
Confirm that the collectd service is up and running.
By default collectd enables the "cpu.cpu" meter. Check that the statistics for this meter are being sent to ceilometer, thus confirming that collectd is working with ceilometer.
Addtional Features
Custom Units Feature
This feature enables users to define new units for existing meter values. To enable this feature execute the following instructions:
- To include your new units, add the following line with your chosen units to your local.conf file.
If you would like to add more than one new unit include them in the same line and seperate each meter and its unit with a comma, as shown below.
Gnocchi
To deploy with gnocchi using devstack, add the following to you local.conf:
enable_plugin collectd-ceilometer-plugin http://github.com/openstack/collectd-ceilometer-plugin
COLLECTD_INSTALL=True
# GNOCCHI enable_plugin gnocchi https://github.com/openstack/gnocchi master enable_service gnocchi-api,gnocchi-metricd,gnocchi-statsd GNOCCHI_USE_KEYSTONE=True COLLECTD_GNOCCHI_ENABLED=True