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Snapshot/restore workstream, stage 5: templates and clones in NVX's adapter, and acceptance #837
Description
Parent: #816. Stage: 5 of the snapshot/restore workstream (#833). Needs: stage 1 (#834); stage 3 (#836), with the fallback below; and from the NVX library wiring workstream (#816): #817, #818, #820, #821 and #624.
Goal. NVX's own adapter (its CLI, its Rust init and NVXC) gets platform clones through the shared libraries, with every stage 3 feature from the start, so NVX never uses the interim rules. Then both adapters pass the acceptance on KVM, MSHV and WHP with the released runtime.
Schedule. This stage plans for every stage 3 item. If an OpenVMM change still isn't in NVX's pin when the rest of this stage is ready, the stage proceeds under that item's interim rule, which the shared host library enforces. The feature follows in a small PR under this issue once the item lands: the CLI's template semantics for #849 and #850, and the scenarios in #854. #855 still needs every stage 3 item.
Network. The first release with clones serves ingress, host loopback and forwards, as cold boots do (#850).
Dependencies on the NVX library wiring workstream (#816):
| Issue in #816 | Needed by | For |
|---|---|---|
| #821 | #851 | NVXC v2 with a validated Ready, which embeds ReadyActivation and reserves the Activate request's type |
| #817 | #852 | NVX's Rust layered init, which gets template mode, repair and activation |
| #818 | #853 | nvx-rs sandbox's image formats and protected paths, which the clone commands extend |
| #820 | #853 | The guest build ID, which NVX's adapter supplies to the compatibility key |
| #624 | #855 | The acceptance harness, which the platform-clone acceptance extends |
PRs, in order:
| PR issue | Delivers | Needs |
|---|---|---|
| #851 | Activate, and the restore transaction in Ready, in NVXC v2 | Stage 1; #821 |
| #852 | Template mode, repair and activation in NVX's init | #851, stage 3 or the fallback; #817 |
| #853 | nvx-rs sandbox's template and clone commands |
#852; #818, #820 |
| #854 | NVX's clone scenarios and documentation | #853 |
| #855 | Acceptance for both adapters | #854, every stage 3 item; #624 |
Tests. NVX's adapter on KVM, MSHV and WHP: EROFS and GPT over tmpfs and scratch from one template; shorter images; CPU and memory targets; per-clone network policies; aggregate exports; each failure status; reattach; the guest binaries' and initramfs's sizes, before and after.
Acceptance. #855's: both adapters run platform clones end to end through the shared code, with bundled serving the release that includes this work.
Activity
nvx-rs sandbox#853nvx-rs sandbox#818[-]Platform clones, stage 5: templates and clones in NVX's adapter, and acceptance[/-][+]Snapshot/restore workstream, stage 5: templates and clones in NVX's adapter, and acceptance[/+]