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Fabian Affolter 2016-04-09 15:43:46 +02:00
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source/getting-started/configuration.markdown
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@ -11,9 +11,7 @@ footer: true
Home Assistant will create a configuration folder when it is run for the first time. The location of the folder differs between operating systems: on OS X and Linux it's `~/.homeassistant` and on Windows it's `%APPDATA%/.homeassistant`. If you want to use a different folder for configuration, run `hass --config path/to/config`.
Inside your configuration folder is the file `configuration.yaml`. This is the main file that contains which components will be loaded and what their configuration is.
This file contains YAML code, which is explained briefly below.
[An example configuration file is located here](https://github.com/balloob/home-assistant/blob/master/config/configuration.yaml.example).
Inside your configuration folder is the file `configuration.yaml`. This is the main file that contains which components will be loaded and what their configuration is. This file contains YAML code, which is explained briefly below. [An example configuration file is located here](https://github.com/balloob/home-assistant/blob/master/config/configuration.yaml.example).
When launched for the first time, Home Assistant will write a default configuration file enabling the web interface and device discovery. It can take up to a minute for your devices to be discovered and show up in the user interface.
@ -28,8 +26,8 @@ If you run into trouble while configuring Home Assistant, have a look at [the co
Home Assistant uses the [YAML](http://yaml.org/) syntax for configuration. YAML might take a while to get used to but is really powerful in allowing you to express complex configurations.
For each component that you want to use in Home Assistant, you add code in your `configuraton.yaml` file to specify its settings.
Example, the following code specifies that you want to use the [notify component](/components/notify) with the [pushbullet platform](/components/notify.pushbullet).
For each component that you want to use in Home Assistant, you add code in your `configuraton.yaml` file to specify its settings.
The following example entry specifies that you want to use the [notify component](/components/notify) with the [pushbullet platform](/components/notify.pushbullet).
```yaml
@ -42,15 +40,14 @@ notify:
- A **component** provides the core logic for some functionality (like `notify` provides sending notifications).
- A **platform** makes the connection to a specific software or hardware platform (like `pushbullet` works with the service from pushbullet.com).
The basics of YAML syntax are block collections and mappings containing key-value pairs.
Each item in a collection starts with a `-` while mappings have the format `key: value`. If you specify duplicate keys, the last value for a key is used.
The basics of YAML syntax are block collections and mappings containing key-value pairs. Each item in a collection starts with a `-` while mappings have the format `key: value`. If you specify duplicate keys, the last value for a key is used.
Note that indentation is an important part of specifying relationships using YAML. Things that are indented are nested "inside" things that are one level higher. So in the above example, `platform: pushbullet` is a property of (nested inside) the `notify` component.
Note that indentation is an important part of specifying relationships using YAML. Things that are indented are nested "inside" things that are one level higher. So in the above example, `platform: pushbullet` is a property of (nested inside) the `notify` component.
Getting the right indentation can be tricky if you're not using an editor with a fixed width font. Tabs are not allowed to be used for indentation. Convention is to use 2 spaces for each level of indentation.
Lines that start with **#** are comments and are ignored by the system.
The next example shows an [input_select](/components/input_select) component that uses a block collection for the options values.
The next example shows an [input_select](/components/input_select) component that uses a block collection for the options values.
The other properties (like name) are specified using mappings. Note that the second line just has `threat:` with no value on the same line. Here threat is the name of the input_select and the values for it are everything nested below it.
```yaml
@ -66,8 +63,7 @@ input_select:
initial: 0
```
The following example shows nesting a collection of mappings in a mapping.
In Home Assistant, this would create two sensors that each use the MQTT platform but have different values for their `state_topic` (one of the properties used for MQTT sensors).
The following example shows nesting a collection of mappings in a mapping. In Home Assistant, this would create two sensors that each use the MQTT platform but have different values for their `state_topic` (one of the properties used for MQTT sensors).
```yaml
sensor: