Add ORAS CLI integration for multi-platform manifest management#363
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ianpittwood merged 9 commits intomainfrom Mar 3, 2026
Merged
Add ORAS CLI integration for multi-platform manifest management#363ianpittwood merged 9 commits intomainfrom
ianpittwood merged 9 commits intomainfrom
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Test Results1 177 tests 1 177 ✅ 12m 57s ⏱️ Results for commit 7235a74. ♻️ This comment has been updated with latest results. |
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Implements an oras-based alternative to `docker buildx imagetools create` for merging multi-platform images. This avoids authentication issues that affect Docker's imagetools when performing cross-registry operations. The workflow: 1. Creates a temporary manifest index from platform-specific sources 2. Copies the index to all target registries/tags 3. Deletes the temporary index Key components: - find_oras_bin() for binary discovery using existing find_bin() pattern - OrasManifestIndexCreate, OrasCopy, OrasManifestDelete command classes - OrasMergeWorkflow orchestrator with from_image_target() factory method - Source validation ensuring all sources are from the same repository Includes 37 unit tests covering command construction, execution, validation, workflow orchestration, and ImageTarget integration. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Fix validate_sources validator to use image_target._get_merge_sources() - Add sources property to expose merge sources from image target - Fix from_image_target to pass target.labels instead of target.labels.items() - Fix log statement to use self.sources instead of self.image_target.sources - Add destination property to Tag model for grouping by registry/repository - Group copy operations by destination for more efficient tag pushing - Update tests to use mock ImageTarget fixtures Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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bschwedler
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Mar 2, 2026
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| :param ref: The image reference to parse (e.g., "registry.io/repo/image@sha256:digest"). | ||
| :return: A tuple of (registry, repository, tag_or_digest). | ||
| """ |
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Would it make sense to put this logic co-located with the Tag model, or is this purely for string translation?
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I did this as part of #365 since doing it here would cause a circular dependency.
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| "ghcr.io/posit/test/tmp@sha256:amd64digest", | ||
| "ghcr.io/posit/test/tmp@sha256:arm64digest", |
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nit: Our registries are under ghcr.io/posit-dev. I know these are just tests, but I don't want there to confusion for humans or LLMs.
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Good point, they've been renamed.
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Stacks on #364
Summary
docker buildx imagetools createfor merging multi-platform imagesOrasMergeWorkfloworchestrator that creates temporary manifest indexes, copies to target registries, and cleans upChanges
posit_bakery/image/oras/oras.py: Main implementation with command classes and workflow orchestratorposit_bakery/image/oras/__init__.py: Module exportstest/image/oras/test_oras.py: 37 unit tests covering all componentsTest plan
just test -k oras)🤖 Generated with Claude Code