Add support for baremetal images #516
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cwize1
reviewed
Dec 12, 2025
fintelia
changed the title
cwize1
requested changes
Jan 5, 2026
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| padSize := int64(1024*1024) - (currentSize % int64(1024*1024)) | ||
| if padSize != int64(1024*1024) { | ||
| _, err = cosiFile.Write(make([]byte, padSize)) |
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Use cosiFile.Truncate to expand the file size.
| if padSize != int64(1024*1024) { | ||
| _, err = cosiFile.Write(make([]byte, padSize)) | ||
| if err != nil { | ||
| return fmt.Errorf("failed to pad image file to 1 MB:\n%w", err) |
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MiB
MB means 10^6, not 2^20.
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This PR adds a new "baremetal-image" image type and implements the logic for creating COSI 1.2 files.
A baremetal image consists of a COSI 1.2 file with a VHD footer attached to it. This construction enables several benefits:
Checklist