csi: fix panic from assignment to nil map in plugin API #8666
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notnoop
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Aug 13, 2020
langmartin
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Aug 13, 2020
tgross
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Apr 15, 2022
The CSI HTTP API has to transform the CSI volume to redact secrets, remove the claims fields, and to consolidate the allocation stubs into a single slice of alloc stubs. This was done manually in #8590 but this is a large amount of code and has proven both very bug prone (see #8659, #8666, #8699, #8735, and #12150) and requires updating lots of code every time we add a field to volumes or plugins. In #10202 we introduce encoding improvements for the `Node` struct that allow a more minimal transformation. Apply this same approach to serializing `structs.CSIVolume` to API responses. Also, the original reasoning behind #8590 for plugins no longer holds because the counts are now denormalized within the state store, so we can simply remove this transformation entirely.
tgross
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Apr 15, 2022
The CSI HTTP API has to transform the CSI volume to redact secrets, remove the claims fields, and to consolidate the allocation stubs into a single slice of alloc stubs. This was done manually in #8590 but this is a large amount of code and has proven both very bug prone (see #8659, #8666, #8699, #8735, and #12150) and requires updating lots of code every time we add a field to volumes or plugins. In #10202 we introduce encoding improvements for the `Node` struct that allow a more minimal transformation. Apply this same approach to serializing `structs.CSIVolume` to API responses. Also, the original reasoning behind #8590 for plugins no longer holds because the counts are now denormalized within the state store, so we can simply remove this transformation entirely.
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Fixes #8665
E2E suite results:
(The rest of the suite had a couple failures around known flakes, see #7724 and #7737. But I monitored the cluster the whole time and there are no panics.)