Adding documentation for influxdb sensor

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Baptiste Poirriez 2016-10-27 10:57:53 +02:00
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---
layout: page
title: "InfluxDB Sensor"
description: "Instructions how to integrate InfluxDB sensors within Home Assistant."
date: 2016-10-26 23:15
sidebar: true
comments: false
sharing: true
footer: true
logo: influxdb.png
ha_category: Sensor
ha_release: 0.32
---
The `InfluxDB` sensor allows you to use values from an InfluxDB database to populate a sensor state.
To configure this sensor, you need to define the sensor connection variables and a list of queries. A sensor will be created for each query.
Configuration variables for the server:
- **host** (*Optional*): IP address of your database host, eg. http://192.168.1.10. Defaults to `localhost`.
- **port** (*Optional*): Port to use. Defaults to 8086.
- **username** (*Optional*): The username of the database user.
- **password** (*Optional*): The password for the database user account.
- **ssl** (*Optional*): Use https instead of http to connect. Defaults to false.
- **verify_ssl** (*Optional*): Verify SSL certificate for https request. Defaults to false.
- **queries** (*Required*): List of queries
Configuration variables for the queries:
- **name** (*Required*): The name of the sensor,
- **unit_of_measurement** (*Required*): Defines the units of measurement of the sensor,
- **measurement** (*Required*): Defines the measurement name in InfluxDB (the from clause of the query),
- **where** (*Required*): Defines the data selection clause (the where clause of the query),
- **value_template** (*Optional*): Defines a [template](/topics/templating/) to extract a value from the payload.
- **database** (*Optional*): Name of the database to use. Defaults to `home_assistant`,
- **group_function** (*Optional*): The group function to be used, default to `mean`
- **field** (*Optional*): The field name to select, default to value.
## {% linkable_title Examples %}
### {% linkable_title Full configuration %}
The example configuration entry bellow create two request to influx db, one to the database db1, the other to db2 :
- `select last(value) as value from "°C" where "name" = "foo"`
- `select min(tmp) as value from "%" where "entity_id" = ''salon'' and time > now() - 1h`
```yaml
sensor:
platform: influxdb
host: localhost
username: home-assistant
password: password
queries:
- name: last value of foo
unit_of_measurement: °C
value_template: '{{ value | round(1) }}'
group_function: last
where: '"name" = ''foo'''
measurement: '"°C"'
field: value
database: db1
- name: Min for last hour
unit_of_measurement: '%'
value_template: '{{ value | round(1) }}'
group_function: min
where: '"entity_id" = ''salon'' and time > now() - 1h'
measurement: '"%"'
field: tmp
database: db2
```