Users can speed up their development tenfold by organizing the infrastructure code using nested templates. The following example will combine several reusable templates to deploy a multi-tier application in Heat, including:
- A load balancer
- A fleet of two load-balanced web server instances running HTTPD
- A database running the MariaDB database instance
We can start by defining our Heat templates for each stack created with the following structure:
----Templates | ------------------ pp_stack.yaml | ------------------ Lib | --------------- env.yaml | --------------- mariadb.yaml | --------------- privateNet.yaml | --------------- publicNet.yaml | --------------- httpd.yaml | --------------- loadbalancer.yaml
We will ...
