Chapter 9. Orchestration
In the previous chapter, we looked at Ceilometer and used telemetry in OpenStack. In this chapter, we will take a look at orchestration using OpenStack's Heat component. We will take a look at what orchestration is and how to write a template for Heat. Then, we will use the template to launch a Heat stack.
About orchestration
In Chapter 5, Instance Management, we used Nova to launch instances in OpenStack. This example walked through launching a single instance or, if the instance count was increased, multiple instances with the same configuration. What if a collection of instances needed to be launched that required each of them to have a different configuration or they all needed to know about each other as part of their ...
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