Odata Influxdb Save

An OData compliant API for accessing data stored in influxdb

Project README


Build Status License: MIT

This project allows you to use the OData REST API to access InfluxDB data.

This enables software such as Power BI, Excel, SAP, Drupal, and LINQPad to access InfluxDB data. (Note: only some of these have been tested.)


python: Currently requires Python 2. Tested on latest 2.7.

pyslet: The OData functionality from the pyslet project is used in this project.


Run the following command to generate a sample config file:

python server.py --makeSampleConfig

Update the dsn in the conf file to reflect your InfluxDB server location.

You can change the hostname/port for the API server by updating service_advertise_root, server_listen_interface, and server_listen_port in the conf file.

Start your odata endpoint server with python server.py.

Point an OData browser to http://hostname:8080/


The recommended production deployment is as follows:

power bi -> https proxy -> odata-influxdb -> influxdb

The odata-influxdb service is stateless/sessionless. An XML file is generated upon starting the server to describe your InfluxDB metadata structure in a way that pyslet can understand. You can decrease server startup time drastically by disabling this feature in your .conf file ([metadata] -> autogenerate=no) after it has been generated once. You'll need to re-enable it if your InfluxDB structure changes. You can also keep this feature disabled if you need to hand-edit your .xml file to limit/change what is browseable to OData clients.

It is recommended that you run InfluxDB with auth enabled. Odata-influxdb passes through http basic auth credentials to your InfluxDB server. You can specify a user in your .conf file dsn settings. Example: [influxdb] dsn=influxdb://user:[email protected]:8086

The default setting [influxdb] max_items_per_query=50 is set extremely conservatively. It is recommended to increase this value to as high as 1000 depending on your testing of response times.


Run unit tests with python tests.py

OData layout:

Upon startup, the server pulls the metadata from your InfluxDB server (database names, measurement names, field keys, and tag keys).

Each measurement is set up as an OData table. All field keys and tag keys from the InfluxDB database are included in the table, but many values may be null depending on your InfluxDB setup. You can use OData $select query options to limit which columns are returned.


OData $filter spec is supported, but has some limitations.

Supported operators are:

  • gt (greater than, >)
  • ge (greater than or equal to, >=)
  • lt (less than, <)
  • le (less than or equal to, <=)
  • eq (equals, =)
  • ne (not equal to, !=)
  • and (boolean and)


This project currently depends on pyslet currently gives us OData 2 support, which does not include grouping, so this project provies a non-standard implementation of grouping operations. Because of this, you cannot use GUI tools to form the grouping queries.

  • InfluxDB requires a WHERE clause on the time field when grouping by time.*

  • The release version of pyslet had a bug (now fixed) where you could not use a field called "time" so use "timestamp" to refer to InfluxDB's "time" field.*

  • When using aggregate functions without grouping by '*', only influxdb fields will be populated in the result, not tags. It is recommended to use influxdbgroupby=* in your queries, as it is not very expensive and allows flexibility in your OData client processing.

Example queries:

Group by day. Aggregate the mean of each field.

Query URL:

/db?$filter=timestamp ge datetime'2017-01-01T00:00:00' and timestamp le datetime'2017-03-01T00:00:00'&$top=1000&groupByTime=1h&aggregate=mean

Resulting InfluxDB query:

SELECT mean(*) FROM measurement 
  WHERE time >= '2017-01-01 AND time <= '2017-03-01'
  GROUP BY time(1d) 

Group by day. Aggregate the mean of each field. Also group by all tag keys

Query URL:

/db?$filter=timestamp ge datetime'2017-01-01T00:00:00' and timestamp le datetime'2017-03-01T00:00:00'&$top=1000&groupByTime=1h&aggregate=mean&influxgroupby=*

Resulting InfluxDB query:

SELECT mean(*) FROM measurement 
  WHERE time >= '2017-01-01' AND time <= '2017-03-01' 
  GROUP BY *,time(1d) 
Open Source Agenda is not affiliated with "Odata Influxdb" Project. README Source: Synergetic-Engineering/odata-influxdb
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