April 2018
Intermediate to advanced
280 pages
8h 37m
English
We discussed the OpenStack orchestration engine in Chapter 2, Exploring AWS Cloud. To recap, OpenStack provides an orchestration engine that can process a template and deploy the specified resources. The template is written in the YAML format.
A basic template that deploys a single VM using the key-pair named test-key and the image cirros is as follows:
heat_template_version: 2015-04-30 description: Simple template that deploys a VM resources: my_instance: type: OS::Nova::Server properties: key_name: test-key image: cirros
A typical HOT template has three sections: template version, description, and resources. The description is optional, however, it is a good practice to specify the details about a ...