OpenStack Heat installation

In this section, we will describe the steps for installing Heat on Ubuntu Linux:

1. Change to the super user mode:
   
2. Install Heat packages:
   
3. Create a MySQL database for Heat:
   

   The default connection string to sqlite_db needs to be replaced with a new string to the MySQL database. The HEAT_DBPASS parameter needs to be replaced with the actual password for the heat database:

   
4. Configure the service user and role:
   
5. Register the service and create the endpoint:
   
6. Create the heat_stack_user role:
   
7. Install the OpenStack client:
   
8. Create the heat_stack_owner role and give role to users (admin and demo) who create Heat stacks:
   
9. Edit the /etc/heat/heat.conf file:
   
10. Replace the connection string, as shown in the following screenshot:
    

    After incorporating the changes, the configuration file heat.conf should look like the following screenshot:

    

    It is also important to mention the heat instance user in the same configuration file under the [DEFAULT] section. user_instance is required to access VM via SSH...