Tag Schema Reference

Atun uses AWS resource tags with the atun.io schema to configure tunneling endpoints. This page describes the tag schema and supported values.

Core Tags

Tag	Description	Example	Required
atun.io/version	Schema version	1	Yes
atun.io/env	Environment name	dev	Yes
atun.io/host/<hostname>	Host endpoint configuration	See below	Yes

Host Tag Format

The host tag value is a JSON object with the following structure:

{
    "local": "<local_port>",
    "proto": "<protocol>",
    "remote": <remote_port>
}

Fields

• local: Port that will be bound on your local machine
• proto: Protocol for forwarding (currently only ssm is supported)
• remote: Port that is available on the internal network to the router host

Examples

RDS Instance

Tag Key: atun.io/host/nutcorp-api.cluster-xxxxxxxxxxxxxxx.us-east-1.rds.amazonaws.com
Tag Value: {"local":"23306","proto":"ssm","remote":3306}

Redis Cluster

Tag Key: atun.io/host/nutcorp.xxxxxx.0001.use0.cache.amazonaws.com
Tag Value: {"local":"26379","proto":"ssm","remote":6379}