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Aries Cloud Agent - Python + Toolbox Plugin Demos

This folder contains setups for multiple scenarios:

  • A single agent networked with ngrok to be reachable from the outside world.
  • An "Alice and Bob" demo for showing interactions between two agents.
  • And a mediator networked with ngrok that can be mixed in with the single agent or Alice and Bob scenarios for demonstrating mediation.

Where applicable, agents are connected to the Sovrin BuilderNet to enable credentials exchange. You can anchor your DID and become an endorser (able to write schemas and credential definitions) at https://selfserve.sovrin.org.

Disclaimer: On the usage of ngrok

For each of the scenarios listed above, ngrok is used to simplify networking between the host and containers. As a result of the toolbox generally running directly on the host and the containers needing to communicate with each other as well as the host, there is not a platform agnostic method of using the same endpoint from all perspectives and reaching the intended agent. On Linux, this is as simple as using the host network mode. On Mac and Windows, since docker itself essentially runs in a VM, networking is not so flexible. From within the container, localhost points to itself, docker.host.internal points to the host, and other containers are reached by service name. From the host, containers are only reachable through ports on localhost. In theory, one could add aliases to each container on the host machine but this adds setup steps that are not easily reversed when the containers are stopped and removed.

To circumvent these complexities, ngrok is used in these demos to provide an endpoint that is consistently reachable from both the container cohort and the host. This also comes with the side benefit of the demo agents being accessible to other agents if, for instance, you would like to experiment with agents with a peer.

Ngrok is not without limitations. Requests will be throttled after exceeding a certain threshold and endpoints will expire after a set length of time, usually on the range of a few hours. This means all connections formed will also expire after a few hours. These setups are for demonstration purposes only and should not be used in production.

In practice, Aries Cloud Agent - Python is deployed behind typical web infrastructure to provide a consistent endpoint.

Running the Demos

Requirements:

  • Docker
  • Docker Compose

Invitations

For each of the demo scenarios, "admin" invitations will be printed to the console for each started agent. Paste these invitations into an instance of the Aries Toolbox to form an "admin" connection and use the Toolbox to trigger interactions with other agents.

Single Agent

Run the following from the demo directory:

$ docker-compose up --build

Alice + Bob

Run the following from the demo directory:

$ docker-compose -f ./docker-compose.alice-bob.yml up --build

Alice + Bob + Mediator

Run the following from the demo directory:

$ docker-compose \
    -f ./docker-compose.alice-bob.yml \
    -f ./docker-compose.mediator.yml \
	up --build

Single Agent + Mediator

Run the following from the demo directory:

$ docker-compose \
    -f ./docker-compose.yml \
    -f ./docker-compose.mediator.yml \
	up --build

Standalone Mediator

Run the following from the demo directory:

$ docker-compose \
    -f ./docker-compose.mediator.yml \
	up --build