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iii-bridge

v0.12.0-next.1

Connect to another iii instance over iii-sdk to expose and forward functions.

engine module

baked into the iii engine; no separate install required.

install

$iii worker add iii-bridge@0.12.0-next.1

readme

open as markdown

README.md

iii-bridge

Connects this III Engine instance to another III instance over iii-sdk so you can expose local functions to the remote instance and forward local calls to remote functions.

Sample Configuration

- name: iii-bridge
  config:
    url: ${REMOTE_III_URL:ws://0.0.0.0:49134}
    service_id: bridge-client
    service_name: bridge-client
    expose:
      - local_function: engine::log::info
        remote_function: engine::log::info

    forward:
      - local_function: remote::state::get
        remote_function: state::get
        timeout_ms: 5000

      - local_function: remote::state::set
        remote_function: state::set
        timeout_ms: 5000

      - local_function: remote::state::delete
        remote_function: state::delete
        timeout_ms: 5000

Configuration

Field	Type	Description
`url`	string	WebSocket URL of the remote III instance. Defaults to `III_URL` env var, otherwise `ws://0.0.0.0:49134`.
`service_id`	string	Service identifier to register with the remote instance.
`service_name`	string	Human-readable service name. Defaults to `service_id`.
`expose`	ExposeFunctionConfig[]	Functions from this instance to expose to the remote instance.
`forward`	ForwardFunctionConfig[]	Local function aliases that forward invocations to remote functions.

ExposeFunctionConfig

Field	Type	Description
`local_function`	string	Required. Local function the remote instance will call.
`remote_function`	string	Function path to register on the remote instance. Defaults to `local_function`.

ForwardFunctionConfig

Field	Type	Description
`local_function`	string	Required. Function path to register locally.
`remote_function`	string	Required. Remote function path to invoke when the local alias is called.
`timeout_ms`	number	Override the invocation timeout in milliseconds. Defaults to `30000`.

Functions

`bridge.invoke`

Invoke a function on the remote III instance and wait for its response.

Field	Type	Description
`function_id`	string	Required. Remote function ID to invoke.
`data`	any	Payload to send to the remote function.
`timeout_ms`	number	Override the invocation timeout in milliseconds.

Returns the remote function's response value directly.

`bridge.invoke_async`

Fire-and-forget invoke on the remote III instance.

Field	Type	Description
`function_id`	string	Required. Remote function ID to invoke.
`data`	any	Payload to send to the remote function.