How to use different variables file between prod, dev1, dev2, etc?

[Jeffrey Wen]

Here is what my current `ansible/` directory looks like:

├── development
│   └── hosts
├── production
│   └── hosts
├── group_vars
│   └── prod.example.com
│   └── dev1.example.com
│   └── dev2.example.com
├── playbooks
│   ├── prod.example.com.com
│   │   └── site.yml
│   ├── dev1.example.com.com
│   │   └── site.yml
│   ├── dev2.example.com.com
│   │   └── site.yml
└── roles
    ├── webservers
        ├── templates
        │   └── main.yml
        ├── tasks
        │   └── main.yml
        └── vars
            └── main.yml

In my `roles/webservers/templates/main.yml`, I would reference variables such as

1. `http_port`
   
2. `document_root`
3. `server_name`

I can easily reference them in my `roles/webservers/templates/main.yml` by typing the following into my template:

1. `{{ http_port }}`
2. `{{ document_root }}`
3. `{{ server_name }}`

I know when I type it like the above, it references my `roles/webservers/vars/main.yml` file; which contain variables for production.

I would like to change the 3 variables if I am referencing my `dev1.example.com` and `dev2.example.com` environments, but I am unsure on how to do this with using `group_vars/dev1.example.com` and `group_vars/dev2.example.com`

[Brian Coca]

Move from vars/main.yml to default/main.yml then the group_vars will be able to override the role vars.

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Brian Coca

[Jeffrey Wen]

Hi Brian,

If I change it to `defaults/main.yml`, how would I reference my `group_vars/dev1.example.com` variables file?

[Jeffrey Wen]

I actually added in the variables into my development/hosts file like so:

[dev1]

dev1.example.com

[dev1:vars]

http_port=80

server_name=dev1.example.com

document_root=/var/www/dev1.example.com

[dev2]

dev2.example.com

[dev2:vars]

http_port=80

server_name=dev2.example.com

document_root=/var/www/dev2.example.com

Do you believe this is an efficient/proper way of having specific variables per node/environment?

[Brian Coca]

either in inventory file or in host_vars/, both work

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Brian Coca