chore: run Windows tests on a Linux container

[mdelapenya]

What does this PR do?

It runs all the GH steps in the GH workflow for windows in an Alpine container. See https://docs.github.com/en/actions/using-jobs/running-jobs-in-a-container#example-running-a-job-within-a-container

Use jobs.<job_id>.container to create a container to run any steps in a job that don't already specify a container. If you have steps that use both script and container actions, the container actions will run as sibling containers on the same network with the same volume mounts.

If you do not set a container, all steps will run directly on the host specified by runs-on unless a step refers to an action configured to run in a container.

name: CI
on:
  push:
    branches: [ main ]
jobs:
  container-test-job:
    runs-on: ubuntu-latest
    container:
      image: node:14.16
      env:
        NODE_ENV: development
      ports:
        - 80
      volumes:
        - my_docker_volume:/volume_mount
      options: --cpus 1
    steps:
      - name: Check for dockerenv file
        run: (ls /.dockerenv && echo Found dockerenv) || (echo No dockerenv)

Why is it important?

Thanks to WSL, it's possible to install Docker Desktop in the baremetal host, and for that reason we can run linux containers in the Windows machine. With that, the docker socket path will be resolved to npipe, which at this moment is the main goal that we have (Windows containers are not supported yet)

At the same time, because everything runs inside a container, the workspace will be empty, so that we should not be affected by previous runs on the same self-hosted (baremetal) machine.

Follow-ups

Other tc-lang repos consuming the Windows workers should use the same strategy. cc/ @eddumelendez @cristianrgreco @HofmeisterAn

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[cristianrgreco]

LGTM but I am not sure that the Docker socket will be mounted into the container

[mdelapenya]

LGTM but I am not sure that the Docker socket will be mounted into the container

Do you think we should mount it first? https://docs.github.com/en/actions/using-jobs/running-jobs-in-a-container#example-mounting-volumes-in-a-container

Use jobs.<job_id>.container.volumes to set an array of volumes for the container to use. You can use volumes to share data between services or other steps in a job. You can specify named Docker volumes, anonymous Docker volumes, or bind mounts on the host.

To specify a volume, you specify the source and destination path:

source:destinationPath.

The is a volume name or an absolute path on the host machine, and is an absolute path in the container.

volumes:
  - my_docker_volume:/volume_mount
  - /data/my_data
  - /source/directory:/destination/directory

Maybe:

volumes:
  - //var/run/docker.sock:/var/run/docker.sock

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[cristianrgreco]

Let's give it ago

[mdelapenya]

Merging, as it's not affecting the current tests, and we need it to verify the test execution on Windows