This chapter covers 8% of the Certified OpenStack Administrator exam requirements.
Architecture and Components of Heat
The last but certainly not the least service covered in this book is OpenStack Orchestration (Heat). This is the orchestration service: “One ring to rule them all.” The main purpose of the service is to manage the entire lifecycle of the infrastructure and applications within OpenStack clouds. For orchestration, Heat uses templates that describe instances, networks, volumes, etc. Heat can also rule scale-in/scale-out scenarios with Ceilometer’s help. ...
