Isolated layerextract #1399
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Isolated layerextract #1399
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helsaawy
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Oh shoot. Whats the plan for this in containerd integrations? Interesting hack to add the re-exec on the differ itself. |
I didnt know of another way to reduce privileges and isolate the extraction/conversion. |
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Just linked the containerd thread on this for ya. We for sure want this in upstream |
Created binary stream processors to extract tar layers and then convert to a VHD for LCOW or WCOW (via tar2ext4.Convert or ociwclayer.ImportLayerFromTar, respectively). Currently, binary re-execs itself using a restricted token with limited privileges and reduced access. Signed-off-by: Hamza El-Saawy <[email protected]>
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Signed-off-by: Hamza El-Saawy <[email protected]>
Signed-off-by: Hamza El-Saawy <[email protected]>
Signed-off-by: Hamza El-Saawy <[email protected]>
restricted SIDs on restricted token now work Signed-off-by: Hamza El-Saawy <[email protected]>
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Adding a new binary (
cmd/differ) that functions as a binary stream processor for containerd differ plugins.The command can extract tars and run both
tar2ext4orwclayer.extractfor LCOW and WCOW images, respectively.