glossary: remove collector and add publisher
Change-Id: Ied0906e4ef2c56ae884411907fa374e2e080ad76
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@ -22,7 +22,8 @@
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agent
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Software service running on the OpenStack infrastructure
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measuring usage and sending the results to the :term:`collector`.
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measuring usage and sending the results to any number of
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target using the :term:`publisher`.
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API server
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HTTP REST API service for ceilometer.
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@ -45,13 +46,7 @@
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polling agent
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Software service running either on a central management node within the
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OpenStack infrastructure or compute node measuring usage and sending the
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results to the :term:`collector`.
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collector
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Software service running on the OpenStack infrastructure
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monitoring notifications from other OpenStack components and
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samples from the ceilometer agent and recording the results
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in the database.
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results to a queue.
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notification agent
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The different OpenStack services emit several notifications about the
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@ -101,6 +96,9 @@
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The polling agent is collecting measurements by polling some API or other
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tool at a regular interval.
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publisher
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The publisher is publishing samples to a specific target.
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push agents
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The push agent is the only solution to fetch data within projects,
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which do not expose the required data in a remotely usable way. This
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@ -20,8 +20,8 @@
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Ceilometer has several daemons. The basic are: :term:`polling agent` running
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either on the Nova compute node(s) or :term:`polling agent` running on the
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central management node(s), :term:`collector` and :term:`notification agent`
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running on the cloud's management node(s).
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central management node(s), :term:`notification agent` running on the cloud's
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management node(s).
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In a development environment created by devstack_, these services are
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typically running on the same server.
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