# Home assistant add-on: Inadyn

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## About

[Inadyn](https://github.com/troglobit/inadyn), or In-a-Dyn, is a small and simple Dynamic DNS, DDNS, client with HTTPS support. Commonly available in many GNU/Linux distributions, used in off the shelf routers and Internet gateways to automate the task of keeping your Internet name in sync with your public¹ IP address. It can also be used in installations with redundant (backup) connections to the Internet.
Based on https://hub.docker.com/r/troglobit/inadyn
Project house : https://github.com/troglobit/inadyn
Some code borrowed from https://github.com/nalipaz/hassio-addons

## Installation

The installation of this add-on is pretty straightforward and not different in
comparison to installing any other Hass.io add-on.

1. [Add my Hass.io add-ons repository][repository] to your Hass.io instance.
1. Install this add-on.
1. Click the `Save` button to store your configuration.
1. Start the add-on.
1. Check the logs of the add-on to see if everything went well.
1. Carefully configure the add-on to your preferences, see the official documentation for for that.

## Configuration

This addon has no web interface - all configuration is done through addon options.
For detailed configuration information, see the [official documentation](https://github.com/troglobit/inadyn).

### Options

| Option | Type | Default | Description |
|--------|------|---------|-------------|
| `verify_address` | bool | | Verify the IP address with check IP service |
| `fake_address` | bool | | Use fake address for testing |
| `allow_ipv6` | bool | | Enable IPv6 support |
| `iface` | str | | Network interface to use (e.g., `eth0`) |
| `iterations` | int | | Number of iterations (0 = infinite) |
| `period` | int | `300` | Update period in seconds |
| `forced_update` | int | | Forced update interval in seconds |
| `secure_ssl` | bool | | Enable secure SSL verification |
| `providers` | list | | List of DDNS provider configurations |

### Provider Configuration

Each provider in the `providers` list supports these options:

| Option | Type | Description |
|--------|------|-------------|
| `provider` | str | Provider name or custom identifier |
| `custom_provider` | bool | Whether this is a custom provider |
| `username` | str | Username or token for authentication |
| `password` | str | Password or API key |
| `hostname` | str | Domain/hostname to update |
| `ssl` | bool | Use SSL for updates |
| `ddns_server` | str | Custom DDNS server |
| `ddns_path` | str | Custom update path |
| `checkip_server` | str | Custom IP check server |
| `checkip_path` | str | Custom IP check path |
| `checkip_ssl` | bool | Use SSL for IP checking |
| `append_myip` | bool | Append IP to request |

### Example Configurations

```json
{
  "verify_address": false,
  "fake_address": false,
  "allow_ipv6": true,
  "iface": "eth0",
  "iterations": 0,
  "period": 300,
  "forced_update": 300,
  "secure_ssl": true,
  "providers": [
    {
      "provider": "providerslug",
      "custom_provider": false,
      "username": "yourusername",
      "password": "yourpassword_or_token",
      "ssl": true,
      "hostname": "dynamic-subdomain.example.com",
      "checkip_ssl": false,
      "checkip_server": "api.example.com",
      "checkip_command": "/sbin/ifconfig eth0 | grep 'inet6 addr'",
      "checkip_path": "/",
      "user_agent": "Mozilla/5.0",
      "ddns_server": "ddns.example.com",
      "ddns_path": "",
      "append_myip": false
    }
  ]
}
```

You should not fill in all of these, only use what is necessary. A typical example would look like:

```json
{
    {
      "provider": "duckdns",
      "username": "your-token",
      "hostname": "sub.duckdns.org"
    }
}
```

or:

```json
{
  "providers": [
    {
      "provider": "someprovider",
      "username": "username",
      "password": "password",
      "hostname": "your.domain.com"
    }
  ]
}
```

for a custom provider that is not supported by inadyn you can do:

```json
{
  "providers": [
    {
      "provider": "arbitraryname",
      "username": "username",
      "password": "password",
      "hostname": "your.domain.com",
      "ddns_server": "api.cp.easydns.com",
      "ddns_path": "/somescript.php?hostname=%h&myip=%i",
      "custom_provider": true
    }
  ]
}
```

the tokens in ddns_path are outlined in the `inadyn.conf(5)` man page.

### Multiple subdomains with same provider

Related to https://github.com/troglobit/inadyn#example

If you want use this add-on with several subdomains with the same provider, you have to enumerate domains like:

```json
{
  "providers": [
    {
      "hostname": "first.mydomain.dev",
      "provider": "domains.google.com:1",
      "username": "xxxxxxxxxxxxxxxx",
      "password": "xxxxxxxxxxxxxxxx"
    },
    {
      "hostname": "second.mydomain.dev",
      "provider": "domains.google.com:2",
      "username": "xxxxxxxxxxxxxxxx",
      "password": "xxxxxxxxxxxxxxxx"
    },
    {
      "hostname": "another.mydomain.dev",
      "provider": "domains.google.com:3",
      "username": "xxxxxxxxxxxxxxxx",
      "password": "xxxxxxxxxxxxxxxx"
    }
  ]
}
```

[repository]: https://github.com/alexbelgium/hassio-addons
