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Determined AI Public Environments

This repository contains scripts and configurations used to build Determined environment images and deploy them to AWS. To configure a custom image based off an existing Determined image, clone this repository and modify the necessary files/scripts.

Files

  • Dockerfile.cpu is the main build script for CPU images
  • Dockerfile.gpu is the main build script for GPU images
  • /scripts contains scripts for publishing Docker images to repositories
  • /dockerfile_scripts contains package installation and patch helper scripts for building external packages
  • Makefile contains Docker build commands and top-level Docker image configurations (e.g. tags, build arguments, registry info)

Run

To build a custom image:

  • Modify an existing recipe in Makefile or define a new command.
  • Add/modify any additional scripts needed for the image build
  • run make {build_name}

To publish an image manually:

  • Add a publish target or modify an existing recipe
  • Change registry info (DOCKERHUB_REGISTRY and NGC_REGISTRY) in Makefile or specify make args
  • run make {publish-target} DOCKERHUB_REGISTRY={registry}

Complete development workflow for updates to environment images

This repository is tightly coupled with the determined repository. Changes to environment images may (and should be assumed to) affect the behavior of the MLDE. When making significant changes to the images, such as updating a deep learning framework library to a more recent version, make sure Determined can still run experiments using the new image.

Steps to introduce an updated environment image

  1. Create a PR against this repo.
  2. Open CI workflow and approve request-publish-dev-docker and request-publish-dev-cloud. Make sure all the downstream jobs succeed. The images are now published to the development dockerhub.
  3. Review the REAMDE.md in https://github.com/determined-ai/determined/tree/main/tools/scripts . It describes the bumpenvs procedure. You are going to run a test "drill" of this procedure with the development images just created.
  4. Create a branch in your local clone of determined github repo. From tools/scripts directory run ./update-bumpenvs-yaml.py --dev bumpenvs.yaml THECOMMIT, where THECOMMIT is the full commit hash of the commit to your branch in environments repo. (This corresponds to steps 3 and 4 from the tools/scripts README.)
  5. Run ./bumpenvs.py bumpenvs.yaml. (This corresponds to step 6 in the tools/scripts README.)
  6. Push your branch to the main determined-ai remote. This is an important detail! Image updates, in particular ones containing version changes to DL frameworks may break functionality in Determined. In order to run the extended test suite, including long-running tests, you need to push to the upstream repo and not to your fork!
  7. Approve the request- jobs in test-e2e-longrunning CI workflow. Monitor the workflow to confirm nothing is broken. If some of the end-to-end tests (or unit or integration tests), investigate!
  8. Note: not all images are currently tested with end-to-end tests in the determined repo. This is a flaw in the current system. It is prudent to run a workload with the new version of every image specified in a startup hook to confirm that the image works. We are planning to address this.
  9. After you confirmed that Determined works nicely with the new images, you can merge your PR to environments, wait for main branch CI build to complete, and follow the steps from toos/scripts/README.md with the images published to the official dockerhub.
  10. Again, it is recommended to push your bumpenvs branch to the main determined-ai remote (and not to your fork). Open your PR from there to confirm again that all the long-running tests pass.

Multi-platform images

We use Docker Buildx to create multi-platform CPU images. Although docker buildx is more powerful than the ordinary docker build, it has a limitation: to build a multi-platform image you have to use docker-container driver that does not allow to export an image so that appears in docker images (see https://docs.docker.com/engine/reference/commandline/buildx_build/#output). You can only push an image directly to a registry (using --push option). As a consequence, if you want to test dockerfile changes locally for one of the multi-platform images (currently, Base CPU, TF 2.7 CPU, and TF 2.8 CPU), without pushing to a docker registry, you have to modify Makefile or craft your own build command to build a single-platform image.

For example, to build the base image for linux/arm64 (to use on a Mac with M1 processor):

# the default builder uses docker driver
# confirm this with
docker buildx ls

docker buildx build -f Dockerfile-default-cpu \
  --platform linux/arm64 \
 	--build-arg BASE_IMAGE="ubuntu:18.04" \
	--build-arg PYTHON_VERSION="$(PYTHON_VERSION)" \
	-t $(DOCKERHUB_REGISTRY)/$(CPU_PY_38_BASE_NAME)-$(SHORT_GIT_HASH) \
	-t $(DOCKERHUB_REGISTRY)/$(CPU_PY_38_BASE_NAME)-$(VERSION) \
   -o type=image,push=false \
  .