Design Doc: OCI storage and runtime selection#284
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asmacdo wants to merge 12 commits intodatalad:masterfrom
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Design Doc: OCI storage and runtime selection#284asmacdo wants to merge 12 commits intodatalad:masterfrom
asmacdo wants to merge 12 commits intodatalad:masterfrom
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Proposal to separate image storage from execution configuration: - Clean registry URL scheme (docker://, quay://, ghcr://) - Native OCI format storage with git-annex tracking - Execution profiles (YAML) for reusable run configurations - Profile inheritance with clobber semantics - CLI overrides (--image, --exec) for flexibility Builds on the skopeo branch which implements OCI storage. Includes: - Main proposal: docs/design/image-container-refactor.md - ReproNim integration: docs/design/image-container-refactor-repronim.md - Tutorial: docs/design/tutorial-mriqc-workflow.md - ReproNim example: docs/design/repronim-containers-mriqc-example.md 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
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Documents: - URL scheme changes (docker:// now OCI, removed dhub://, oci:, shub://) - Storage path changes (.datalad/containers/images/<name>/<version>/) - Execution config removal (cmdexec not set) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
- Use colon separator for versioning (like Docker tags) - Document Docker daemon loading and tagging behavior - Show version defaulting from URL tag - Update usage examples throughout 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
- Use name:version format (colon separator)
- {img} expands to Docker image name (datalad-container/name:version)
- Show docker run examples instead of apptainer/oci paths
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Document both Docker and Apptainer usage patterns
- List all placeholders: {img}, {img_path}, {cmd}
- Note support for multiple runtimes
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- {img} = Docker image name (datalad-container/name:version)
- {img_path} = OCI directory path
- Update profile examples to use correct placeholders
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Mark Phase 3 (Execution Profiles) as complete - Update examples to use tested docker-default/apptainer-default profiles - Document implemented features and test commands 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
- Add "very rough draft" status note
- Document available placeholders: {img}, {img_path}, {cmd}
- Add runtime-only profiles option (no image, require --image)
- Update examples to use name:version format (mriqc:23.1.0)
- Fix placeholder usage: oci:{img_path} for apptainer, {img} for docker
- Add datalad save commands to workflow examples
- Simplify Docker profile example
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
asmacdo
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Updated PR description:
Design doc for OCI storage and runtime selection refactor.
Builds on the skopeo OCI image storage PR: #277
Key changes:
docker://URLs store images as OCI directories via Skopeo.datalad/environments/<name>/<version>/image/--runtimeflag oncontainers-addto select docker/podman/apptainerURL scheme simplification:
docker://- OCI storage, runtime via--runtimeflagshub://- SIF file, singularity execoci:docker://,dhub://Main doc: docs/design/oci-runtime-refactor.md