- [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/1.1/README.md)
- [[tutorial 029] Type variable is optional](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/v1.1_029/README.md) ([diff](https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/v1.1_029~1..v1.1_029))

# [tutorial 030] A variable with type "boolean"

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


## Screenshot


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


## Structure


### firefox/00-proxy.yml


```yml
---
proxy_mode:
  description: Configure Proxy Access to the Internet
  choices:
    - No proxy
    - Auto-detect proxy settings for this network
    - Use system proxy settings
    - Manual proxy configuration
    - Automatic proxy configuration URL
  default: No proxy

```
### firefox/10-manual.yml


```yml
---
manual:
  description: Manual proxy configuration
  disabled:
    variable: proxy_mode
    when_not: 'Manual proxy configuration'

  http_proxy:
    description: HTTP Proxy

    address:
      description: HTTP address
      type: domainname
      params:
        allow_ip: true

    port:
      description: HTTP Port
      type: port
      default: 8080

```
### firefox/20-manual.yml


```yml
---
manual:

  use_for_https:
    description: Also use this proxy for HTTPS
    type: boolean
    default: true

```
### Generated documentation

```console
foo@bar:~$ rougail -v 1.1 -m firefox/ -o doc -do github
```
### Variables

| 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;   | 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;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **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

_`disabled`_

**Disabled**: proxy_mode.

##### 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;   | 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;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **manual.http_proxy.address**<br/>[`domainname`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                       | HTTP address.<br/>**Validator**: the domain name can be an IP                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| **manual.http_proxy.port**<br/>[`port`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                                | HTTP Port.<br/>**Default**: 8080                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |

| 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;   | 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;   |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **manual.use_for_https**<br/>[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `mandatory`                                                                                                                                                                                                                                                                                                                                                                                                                               | Also use this proxy for HTTPS.<br/>**Default**: True                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |


## User data

### Example 1

#### config/01/config.yaml


```yml
---

```
#### Output

```console
foo@bar:~$ rougail -v 1.1 -m firefox/ -u file -ff config/01/config.yaml
```
<pre>╭────────────────────────── Caption ──────────────────────────╮
│ Variable                           <span style="color: #ffd700">Default value</span>            │
│ <span style="color: #5c5cff">Undocumented variable</span>              Modified value           │
│ <span style="color: #ff0000">Undocumented but modified variable</span> (<span style="color: #00aa00">Original default value</span>) │
│ <span style="color: #ffaf00">Unmodifiable variable</span>                                       │
╰─────────────────────────────────────────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: <span style="color: #ffd700">No proxy</span>
</pre>
### Example 2

#### config/02/config.yaml


```yml
---
proxy_mode: No proxy

```
#### Output

```console
foo@bar:~$ rougail -v 1.1 -m firefox/ -u file -ff config/02/config.yaml
```
<pre>╭────────────────────────── Caption ──────────────────────────╮
│ Variable                           <span style="color: #ffd700">Default value</span>            │
│ <span style="color: #5c5cff">Undocumented variable</span>              Modified value           │
│ <span style="color: #ff0000">Undocumented but modified variable</span> (<span style="color: #00aa00">Original default value</span>) │
│ <span style="color: #ffaf00">Unmodifiable variable</span>                                       │
╰─────────────────────────────────────────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: No proxy (<span style="color: #00aa00">No proxy</span>)
</pre>
### Example 3

#### config/03/config.yaml


```yml
---
proxy_mode: Manual proxy configuration

```
#### Output

```console
foo@bar:~$ rougail -v 1.1 -m firefox/ -u file -ff config/03/config.yaml
```
<pre>🛑 ERRORS
<span style="color: #ff0000">┣━━ </span>The following variables are mandatory but have no value:
<span style="color: #ff0000">┗━━ </span>  - manual.http_proxy.address (HTTP address)
</pre>
### Example 4

#### config/04/config.yaml


```yml
---
proxy_mode: foo

```
#### Output

```console
foo@bar:~$ rougail -v 1.1 -m firefox/ -u file -ff config/04/config.yaml
```
<pre>🛑 ERRORS
<span style="color: #ff0000">┗━━ </span>"foo" is an invalid choice for "proxy_mode (Configure Proxy Access to the Internet)", only "Auto-detect proxy settings for this network", "Automatic proxy configuration URL", "Manual proxy configuration", "No proxy" and "Use system 
<span style="color: #ff0000">    </span>proxy settings" are allowed
╭────────────────────────── Caption ──────────────────────────╮
│ Variable                           <span style="color: #ffd700">Default value</span>            │
│ <span style="color: #5c5cff">Undocumented variable</span>              Modified value           │
│ <span style="color: #ff0000">Undocumented but modified variable</span> (<span style="color: #00aa00">Original default value</span>) │
│ <span style="color: #ffaf00">Unmodifiable variable</span>                                       │
╰─────────────────────────────────────────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: <span style="color: #ffd700">No proxy</span>
</pre>
### Example 5

#### config/05/config.yaml


```yml
---
proxy_mode: 1

```
#### Output

```console
foo@bar:~$ rougail -v 1.1 -m firefox/ -u file -ff config/05/config.yaml
```
<pre>🛑 ERRORS
<span style="color: #ff0000">┗━━ </span>"1" is an invalid choice for "proxy_mode (Configure Proxy Access to the Internet)", only "Auto-detect proxy settings for this network", "Automatic proxy configuration URL", "Manual proxy configuration", "No proxy" and "Use system 
<span style="color: #ff0000">    </span>proxy settings" are allowed
╭────────────────────────── Caption ──────────────────────────╮
│ Variable                           <span style="color: #ffd700">Default value</span>            │
│ <span style="color: #5c5cff">Undocumented variable</span>              Modified value           │
│ <span style="color: #ff0000">Undocumented but modified variable</span> (<span style="color: #00aa00">Original default value</span>) │
│ <span style="color: #ffaf00">Unmodifiable variable</span>                                       │
╰─────────────────────────────────────────────────────────────╯
Variables:
<span style="color: #5c5cff">┗━━ </span>📓 proxy_mode: <span style="color: #ffd700">No proxy</span>
</pre>


- [[tutorial 031] Bases type is optional if default value](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))