April 2017
Intermediate to advanced
470 pages
11h 12m
English
Content preview from Mastering OpenStack - Second Edition
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The API services
In a nutshell, we have already covered the nova-api service in Chapter 1, Designing OpenStack Cloud Architectural Consideration. It might be important to step forward and learn that nova-api is considered the orchestrator engine component in cloud controller specifications. Without any doubt, nova-api is assembled in the controller node.
The nova-api service may also fulfill more complicated requests by passing messages within other daemons by means of writing to the databases and queuing messages. As this service is based on the endpoint concept where all API queries are initiated, nova-api provides two different APIs using either the OpenStack API or EC2 API. This makes it imperative to decide which API will be used before ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.