feat: add YAML anchors and aliases support to ClusterConfig #8535
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Oct 9, 2025
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- Add resolveYAMLAnchors() function to process YAML anchors and aliases - Remove only 'aliases' field to maintain strict validation for other fields - Include security protections against YAML bombs and excessive nesting - Add comprehensive test coverage for functionality and edge cases - Update FAQ documentation with YAML anchor examples Fixes eksctl-io#8270
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@NicholasBlaskey I've made some changes to the PR, with simplified solution, more test cases and FAQ section added, please review. |
guessi
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Oct 10, 2025
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| // Remove only the aliases field, maintaining strict validation for everything else | ||
| delete(temp, "aliases") |
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Updated the implementation to support special "aliases" section only.
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Oct 10, 2025
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| // Security: Limit input size to prevent memory exhaustion attacks | ||
| const maxInputSize = 1024 * 1024 // 1MB limit | ||
| if len(data) > maxInputSize { | ||
| return nil, fmt.Errorf("YAML input too large: %d bytes exceeds limit of %d bytes", len(data), maxInputSize) | ||
| } |
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YAML file over 1MB should be considered as abnormal, any concern?
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Fixes #8270