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.. _install_ubuntu:
Install and configure for Ubuntu
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This section describes how to install and configure the
Telemetry service, code-named ceilometer, on the controller node.
Prerequisites
-------------
Before you install and configure the Telemetry service, you must
configure a target to send metering data to. The recommended endpoint
is Gnocchi_.
.. _Gnocchi: https://gnocchi.osci.io
.. include:: install-base-prereq-common.inc
Install Gnocchi
---------------
#. Install the Gnocchi packages. Alternatively, Gnocchi can be installed using
pip:
.. code-block:: console
# apt-get install gnocchi-api gnocchi-metricd python-gnocchiclient
.. note::
Depending on your environment size, consider installing Gnocchi
separately as it makes extensive use of the cpu.
#. Install the uWSGI packages. The following method uses operating system
provided packages. Another alternative would be to use pip(or pip3,
depending on the distribution); using pip is not described in this doc:
.. code-block:: console
# apt-get install uwsgi-plugin-python3 uwsgi
.. note::
Since the provided gnocchi-api wraps around uwsgi, you need to
make sure that uWSGI is installed if you want to use gnocchi-api
to run Gnocchi API.
As Gnocchi API tier runs using WSGI, it can also alternatively
be run using Apache httpd and mod_wsgi, or any other HTTP daemon.
.. include:: install-gnocchi.inc
Finalize Gnocchi installation
-----------------------------
#. Restart the Gnocchi services:
.. code-block:: console
# service gnocchi-api restart
# service gnocchi-metricd restart
Install and configure components
--------------------------------
#. Install the ceilometer packages:
.. code-block:: console
# apt-get install ceilometer-agent-notification \
ceilometer-agent-central
.. include:: install-base-config-common.inc
Finalize installation
---------------------
#. Restart the Telemetry services:
.. code-block:: console
# service ceilometer-agent-central restart
# service ceilometer-agent-notification restart
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