26 lines
1.7 KiB
Markdown
26 lines
1.7 KiB
Markdown
## PlasmaVMC qcow artifact plan (for integration gate e2e)
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- Goal: provide a reproducible qcow2 image + env wiring so plasmavmc e2e (QEMU-backed) can run in the integration matrix without manual prep.
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- Constraints: small (<150MB), no network during gate run, works under nix develop; use virtio drivers; avoid licensing issues.
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### Candidate image
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- Alpine cloud image (latest stable) is small and permissively licensed; includes virtio modules.
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- Fallback: Build a 1G qcow2 via `qemu-img create -f qcow2 plasma-mini.qcow2 1G` + `virt-make-fs` on a tiny rootfs (busybox/alpine base).
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### Provisioning steps (once, cacheable)
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1) In nix shell (has qemu-img): `qemu-img convert -f qcow2 -O qcow2 alpine-cloudimg-amd64.qcow2 plasma-mini.qcow2` or `qemu-img create -f qcow2 plasma-mini.qcow2 1G`.
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2) Inject default user+ssh key (optional) via cloud-init seed ISO or `virt-make-fs` (avoid during gate).
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3) Store artifact under `.cccc/work/artifacts/plasma-mini.qcow2` (or cache bucket if available).
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4) Record SHA256 to detect drift.
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### Gate wiring
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- Env vars: `PLASMAVMC_QEMU_PATH` (e.g., `/run/current-system/sw/bin/qemu-system-x86_64` in nix shell), `PLASMAVMC_QCOW2_PATH` (absolute path to plasma-mini.qcow2).
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- Update `scripts/integration-matrix.sh` docs to mention envs; optionally add `just integration-matrix [--skip-plasma]` wrapper that injects defaults when present.
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### Time/budget
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- Download + convert: ~2-3 minutes once; gate runs reuse artifact (no network).
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- If artifact absent, plasmavmc e2e remain ignored; matrix still green on unit/integration subsets.
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### Open questions
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- Where to store the qcow2 artifact for CI (git LFS? remote cache?) to avoid repo bloat.
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- Is cloud-init desirable for tests (SSH into VM) or is raw boot enough for current e2e?
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