- [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/1.1/README.md)
- [[tutorial v1.1_022] Putting a variable inside of a family or a sub family](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_022/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_022~1..v1.1_022))

# [tutorial v1.1_030)] A variable with type "domainname"

[View the diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_030~1..v1.1_030)

[Read the documentation](https://pedago.gwenaelremond.fr/bribes/rougail/tutorial/disabled.html#a-variable-with-type-"domainname")


## Screenshot


<img src="firefox.png" width=50% height=50% alt="Firefox Proxy setting"/>


## Clone and install



To test this tutorial, you need to download this repository and install Rougail:

```shell
git clone -b 1.1 https://forge.cloud.silique.fr/stove/rougail-tutorials.git
cd rougail-tutorials
python -m venv venv_rougail
. venv_rougail/bin/activate
pip install rougail-cli rougail-output-exporter rougail-output-doc rougail-user-data-yaml
```

Then switch to the tutorial page:

```shell
git switch --detach v1.1_030
```

## Structure



<p>
<a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_030/./">.</a><br/>
	└── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_030/./firefox/">firefox</a><br/>
	    ├── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_030/./firefox/00-proxy.yml">00-proxy.yml</a><br/>
	    └── <a href="https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_030/./firefox/10-manual.yml">10-manual.yml</a><br/>
<br/><br/></p>

Contents of the firefox/10-manual.yml file

```yml
%YAML 1.2
---
version: 1.1

manual:  # Manual proxy configuration

  http_proxy:  # HTTP Proxy

    address:
      description: HTTP address
      type: domainname
...

```
### Let's generate the documentation

```shell
rougail -m firefox/ -o doc
```
| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **proxy_mode**<br/>[`choice`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                    | Configure Proxy Access to the Internet.<br/>**Choices**: <br/>- No proxy **← (default)**<br/>- Auto-detect proxy settings for this network<br/>- Use system proxy settings<br/>- Manual proxy configuration<br/>- Automatic proxy configuration URL                                                                                                                                                                                                                                                                                   |

#### Manual proxy configuration

**manual**



##### HTTP Proxy

**manual.http_proxy**



| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **manual.http_proxy.address**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                         | HTTP address.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |

### Let's generate the changelog

```shell
rougail -m firefox/ -o doc --doc.contents changelog
```
#### Modified variable

| Variable&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   | Description&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **manual.http_proxy.address**<br/>~~`string`~~ [<ins>`domainname`</ins>](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 | HTTP address.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |


## User datas

### Example 1

#### config/01/config.yml


```yml
---
manual:
  http_proxy:
    address: example.net
```
#### Output

```shell
rougail -m firefox/ -u yaml -yf config/01/config.yml
```
<pre>╭──────── Caption ────────╮
│ Variable <span style="color: #ffd700">Default value</span>  │
│          Modified value │
╰─────────────────────────╯
Variables:
<span style="color: #5c5cff">┣━━ </span>📓 Configure Proxy Access to the Internet: <span style="color: #ffd700">No proxy</span>
<span style="color: #5c5cff">┗━━ </span>📂 Manual proxy configuration
<span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📂 HTTP Proxy
<span style="color: #5c5cff">    </span><span style="color: #5c5cff">    </span><span style="color: #5c5cff">┗━━ </span>📓 HTTP address: example.net ◀ loaded from the YAML file "config/01/config.yml"
</pre>
### Example 2

#### config/02/config.yml


```yml
---
manual:
  http_proxy:
    address: 192.168.0.1
```
#### Output

```shell
rougail -m firefox/ -u yaml -yf config/02/config.yml
```
<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
<span style="color: #ffff00">┗━━ </span>the value "192.168.0.1" is an invalid domain name for "manual.http_proxy.address" (HTTP address), must not be an IP, it will be ignored when loading from the YAML file "config/02/config.yml"
<span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
</pre>
#### Output when invalid user datas is an error

```shell
rougail -m firefox/ -u yaml -yf config/02/config.yml --cli.invalid_user_datas_error
```
<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
<span style="color: #ff0000">┣━━ </span>the value "192.168.0.1" is an invalid domain name for "manual.http_proxy.address" (HTTP address), must not be an IP, it will be ignored when loading from the YAML file "config/02/config.yml"
<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
</pre>
### Example 3

#### config/03/config.yml


```yml
---
manual:
  http_proxy:
    address: not a valid domain name
```
#### Output

```shell
rougail -m firefox/ -u yaml -yf config/03/config.yml
```
<pre><span style="font-weight: bold; color: #ffff00">🔔 WARNINGS</span>
<span style="color: #ffff00">┗━━ </span>the value "not a valid domain name" is an invalid domain name for "manual.http_proxy.address" (HTTP address), must have dot, it will be ignored when loading from the YAML file "config/03/config.yml"
<span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
</pre>
#### Output when invalid user datas is an error

```shell
rougail -m firefox/ -u yaml -yf config/03/config.yml --cli.invalid_user_datas_error
```
<pre><span style="font-weight: bold; color: #ff0000">🛑 ERRORS</span>
<span style="color: #ff0000">┣━━ </span>the value "not a valid domain name" is an invalid domain name for "manual.http_proxy.address" (HTTP address), must have dot, it will be ignored when loading from the YAML file "config/03/config.yml"
<span style="color: #ff0000">┗━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>Manual proxy configuration
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP Proxy
<span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">    </span><span style="color: #ff0000">┗━━ </span>HTTP address
</pre>


- [[tutorial v1.1_031] A variable with type's parameters](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_031/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_031~1..v1.1_031))