As the title promises, here's building stacks in OpenStack! As you may have guessed from the stack terminology, this includes any group of connected OpenStack resources, including instances, volumes, virtual routers, firewalls, load balancers, and so on, that form a stack. However, how can stacks be created and managed? Starting from the Grizzly release, a new orchestration service named Heat has been added. Using YAML-based template languages called the Heat Orchestration Template (HOT), you will be able to spin up multiple instances, logical networks, and many other cloud services in an automated fashion. Now, you can guess the rest: you can create stacks from templates.
If you are familiar with the AWS cloud formation service, Heat is fully compatible with AWS templates and provides an API to align the AWS specification using CFN-formatted templates expressed in JSON.
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