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How to run the multi-validateer docker setup

Prerequisite

  • Make sure you have installed Docker (version >= 2.0.0) with Docker Compose. On Windows, this can be Docker Desktop with WSL 2 integration.
  • In case you also build the worker directly, without docker (e.g. on a dev machine, running make), you should run make clean before running the docker build. Otherwise, it can occasionally lead to build errors.
  • The node image version that is loaded in the docker-compose.yml, (e.g. image: "integritee/integritee-node-dev:1.0.32") needs to be compatible with the worker you're trying to build.
  • Set export VERSION=dev
  • envsubst should be installed, it is needed to replace the $VERSION in yaml files as docker compose doesn't support variables on service names.

Building the Docker containers

Run

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) build

in this folder to build the worker image. This will build the worker from source and tag it in an image called integritee-worker:dev.

Running the docker setup

docker compose -f <(envsubst < docker-compose.yml) up

Starts all services (node and workers), using the integritee-worker:dev images you've built in the previous step.

Run the demos

Demo indirect invocation (M6)

Build

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-indirect-invocation.yml) build --build-arg WORKER_MODE_ARG=offchain-worker

Run

FLAVOR_ID=offchain-worker docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-indirect-invocation.yml) up demo-indirect-invocation --exit-code-from demo-indirect-invocation

Demo direct call (M8)

Build

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-direct-call.yml) build --build-arg WORKER_MODE_ARG=sidechain

Run

docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-direct-call.yml) up demo-direct-call --exit-code-from demo-direct-call

Demo sidechain

Build

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-sidechain.yml) build --build-arg WORKER_MODE_ARG=sidechain

Run

docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-sidechain.yml) up demo-sidechain --exit-code-from demo-sidechain

Demo Teeracle

Build

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-teeracle.yml) build --build-arg WORKER_MODE_ARG=teeracle

Run

docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < demo-teeracle.yml) up demo-teeracle --exit-code-from demo-teeracle

Run the benchmarks

Build with

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < sidechain-benchmark.yml) build

and then run with

docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < sidechain-benchmark.yml) up sidechain-benchmark --exit-code-from sidechain-benchmark

Run the fork simulator

The fork simulation uses pumba which in turn uses the Linux traffic control (TC). This is only available on Linux hosts, not on Windows with WSL unfortunately. Build the docker compose setup with

COMPOSE_DOCKER_CLI_BUILD=1 DOCKER_BUILDKIT=1 docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < fork-inducer.yml) -f <(envsubst < demo-sidechain.yml) build --build-arg WORKER_MODE_ARG=sidechain

This requires the docker BuildKit (docker version >= 18.09) and support for it in docker compose (version >= 1.25.0)

Run the 2-worker setup with a fork inducer (pumba) that delays the traffic on worker 2

docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < fork-inducer.yml) -f <(envsubst < integration-test.yml) up --exit-code-from demo-sidechain

This should show that the integration test fails, because we had an unhandled fork in the sidechain. Clean up the containers after each run with:

docker compose -f <(envsubst < docker-compose.yml) -f <(envsubst < fork-inducer.yml) -f <(envsubst < demo-sidechain.yml) down

We need these different compose files to separate the services that we're using. E.g. we want the integration test and fork simulator to be optional. The same could be solved using profiles - but that requires a more up-to-date version of docker compose.

FAQ

What do I have to do to stop everything properly?

With Ctrl-C you stop the containers and with docker compose down you clean up/remove the containers. Note that docker compose down will also remove any logs docker has saved, since it will remove all the container context.

What do I have to do if I make changes to the code?

You need to re-build the worker image, using docker compose build.

How can I change the log level?

You can change the environment variable RUST_LOG= in the docker-compose.yml for each worker individually.

The log from the node are quite a nuisance. Why are they all together.

You can suppress the log output for a container by setting the logging driver. This can be set to either none (completely disables all logs), or local (docker will record the logs, depending on your docker compose version, it will also log to stdout) in the docker-compose.yml:

logging:
    driver: local

Mind the indent. Explanations for all the logging drivers in docker compose can be found here.