QuestDB

Name	QuestDB
Version	v1.0.0
DockerHub	weevenetwork/questdb
Authors	Jakub Grzelak

• QuestDB
  • Description
  • Environment Variables
    • Module Specific
    • Set by the weeve Agent on the edge-node
  • Dependencies
  • Input
  • Output

Description

This module uses REST API to write data into your QuestDB table.

Environment Variables

Module Specific

The following module configurations can be provided in a data service designer section on weeve platform:

Name	Environment Variables	type	Description
QuestDB URL	QUEST_URL	string	URL to your QuestDB. It should be either host or if port is provided then host:port.
Table Name	TABLE_NAME	string	Table to write data to.
Database Columns	COLUMNS	string	List of comma (,) separated database columns headers to write to.
Data Labels	LABELS	string	List of comma (,) separated labels in passed data. Order of labels must match the order of provided corresponding columns.

Set by the weeve Agent on the edge-node

Other features required for establishing the inter-container communication between modules in a data service are set by weeve agent.

Environment Variables	type	Description
MODULE_NAME	string	Name of the module
MODULE_TYPE	string	Type of the module (Input, Processing, Output)
INGRESS_HOST	string	Host to which data will be received
INGRESS_PORT	string	Port to which data will be received

Dependencies

bottle
requests

Input

Input to this module is:

• JSON body single object, example:

{
    "label-1": 12,
    "label-2": "speed"
}

• array of JSON body objects, example:

[
    {
        "label-1": 12,
        "label-2": "speed"
    },
    {
        "label-1": 15,
        "label-2": "volume"
    }
]

Output

Output of this module is data inserted to the selected QuestDB table.