jakman85andClaude Opus 5 a1cc0a5556 fix(velero): skip emptyDir volumes by type; revert the narrower namespace exclusion
Supersedes 05a8094, which fixed the right bug in the wrong layer.

That commit excluded ns velero's volume data because Velero's own transient kopia
maintenance Jobs (emptyDir `plugins` + `scratch`) were failing their
PodVolumeBackups and turning the nightly Backup PartiallyFailed. It deferred the
general fix — skip emptyDir by type — because Velero's `volumeTypes` policy
condition was unproven here and an unparseable policies.yaml breaks EVERY backup.
It said "revisit if the shape shows up elsewhere."

It showed up elsewhere within the hour. A verification Backup came back
PartiallyFailed with 4 errors, all in ns runbooks: the nginx Deployment's emptyDir
`tmp` + `cache`, failing with

    error to expose PVB: error getting client pod runbooks-...: pods "..." not found

because pushing a runbook edit rolled that Deployment while the backup was
snapshotting it. Cause worth stating plainly: I triggered that rollout myself, so
those four failures were self-inflicted rather than a standing defect — but the
mechanism is not. A PVB exposes the volume through its pod, so ANY rollout landing
in the backup window fails one, and one failed PVB makes the whole Backup
PartiallyFailed. On a GitOps cluster that is routine.

So the property is what matters, not the namespace: an emptyDir is created empty
with its pod and destroyed with it, so backing one up cannot protect anything
while attempting it can break the backup that protects everything else.

The `volumeTypes` risk was retired by testing, not by hoping. The new policy went
into a THROWAWAY ConfigMap first, leaving the live one untouched, and was proven
on prod (velero 1.18.1) with a control:

    control, ns runbooks, NO policy  -> 4 PodVolumeBackups (2x tmp, 2x cache), Completed
    same namespace, WITH the policy  -> 0 PodVolumeBackups, Backup Completed, 0 errors

The control is the point — "zero PVBs" alone is equally consistent with nothing
having been attempted, which is the kind of empty green I have shipped before.

The ns velero exclusion is now reverted as redundant: `plugins` and `scratch` are
emptyDir (verified on a live maintain pod), so the general rule covers them, and
reverting keeps Velero's own resources in schedule (1) where they belong instead
of moving them between schedules for no reason.

Gated: L0 whole-repo 21 cases, 0 failures, 0 skips, 0 unwired.

Co-Authored-By: Claude Opus 5 <[email protected]>
2026-09-19 00:22:21 -05:00
2026-09-19 02:49:16 +00:00

home-network-k3s-impl

Implementation of the home k3s + Longhorn platform. This repo holds the reconciled artifacts (Flux config, Kustomize overlays, KubeVirt/Helm manifests, ServiceDefinitions, Kyverno policies, Chainsaw conformance tests, CI). It is driven by — and subordinate to — the read-only specification at ../home-network-k3s.

Rules (from the spec — non-negotiable)

  • The spec is read-only. Never modify anything under ../home-network-k3s. Implement against it; escalate spec problems, don't edit them (spec AGENTS.md §11, R-TEST-06).
  • Done = a green, reproducible, requirement-tagged conformance test — never "merged," never a manual demo (spec docs/14, agents/definition-of-done.md).
  • No work on main. Every change is a feature branch merged into main (spec CONTRIBUTING.md).
  • No plaintext secrets — SOPS-encrypted only (spec docs/07).
  • Phase discipline — only build what the active roadmap phase authorizes (spec roadmap/phases.md).

Layout

infra/          node provisioning: OpenTofu (Proxmox VE) + cloud-init + Ansible, and the
                pinned dev container that carries the whole toolchain
bootstrap/      one-time cluster bootstrap: Flux install, SOPS/age key, host Gitea
platform/       platform CONTROLLERS (Flux HelmReleases / operator bases): kyverno, cilium,
                longhorn, external-snapshotter, cert-manager, externaldns, gateway, coredns,
                vpn-egress, monitoring, cnpg, keycloak, oauth2-proxy, kubevirt
platform-config/ platform CONFIGS — the custom resources of the CRDs installed above
                (ClusterIssuers, Gateway, Kyverno policies, KubeVirt/CDI CRs, Keycloak CRs).
                Split out because CRs and the CRDs they use cannot apply in one pass.
apps/           application tier, reconciled as dependency-ordered WAVES:
                  wave-0/ wave-1/ wave-2/   rendered container apps (see DESIGN-waves.md)
                  vms/                      KubeVirt VirtualMachines (non-gating tier)
catalog/        ServiceDefinition entries (the onboarding surface) + render.py
schemas/        ServiceDefinition JSON Schema + renderer contract
clusters/       Flux entrypoints + dev/ and prod/ overlays
conformance/    Chainsaw behavior/conformance suite + harness + coverage report
ci/             the gate as scripts (lint · schema · Kyverno L0 · L1 render · decision)
.gitea/         Gitea Actions CI running that gate on an in-cluster runner

Status

Roadmap phases 0–6 are delivered, and Phase 7 (Production Readiness) is OPEN and in progress. clusters/prod is no longer a design-only overlay: prod is the live cluster, serving the apex home.keithjackson.dev. The dev cluster was decommissioned on 2026-09-12 (full migration: dev out, prod onto the apex — see the DECISIONS-LOG), so phases 0–6 are now exercised on prod hardware rather than on Proxmox VMs.

Phase 7 exit criteria — prod runs the same config via the prod overlay; DR proven; monitoring + alerts live:

criterion state
prod runs the prod overlay met — 3× mini-PC bare metal, one Flux tree, prod overlay only
monitoring + alerts live met 2026-09-13 — see the note below; this was not true before that date
DR proven R-STATE-03 PROVEN on prod 2026-09-14 — off-cluster restore from Cloudflare R2. R-STATE-02 (node-loss) is still dev-only

DR restore is proven on prod. R-STATE-03 reads proven in --status as of 2026-09-14 — the first requirement in this repo to reach that state. Both of its verifiers are recorded: dr-restore (L3, run 20260914T021505Z-24b8111, sentinel DR_RESTORED_FROM_OFF_CLUSTER_BACKUP_OK) and placeholder-guard-coupling (L0). The L3 drill seeds a canary on the replicated longhorn class, backs the namespace and volume data up off-cluster, destroys every in-cluster copy (namespace, PVC and PV), restores into a clean namespace, and asserts the restored PVC binds a different PersistentVolume — so an in-cluster survival cannot pass as a restore.

What remains for Phase 7: R-STATE-02 (node-loss) is still proven only on the decommissioned dev cluster. That drill takes a real node down on a live cluster, so it is a deliberate, scheduled exercise rather than something to run in passing.

Read --coverage-only and --status as two different questions; the earlier PROVEN: 0 was not a bug but the honest answer, because proofs are claims about a specific tree on a specific cluster.

Phase Delivered
0 Foundations ServiceDefinition schema + renderer, Kyverno L0 gate, conformance harness, CI
1 Cluster bring-up 3-node k3s HA, embedded etcd, kube-vip VIP, Cilium, Flux, SOPS. Originally Proxmox VMs; now 3× mini-PC bare metal (k3s-prod-1/2/3, 192.168.2.10/.11/.12, k3s v1.36.4+k3s1, Debian 13)
2 Platform core Cilium · Longhorn · cert-manager (LE-prod wildcard) · ExternalDNS · Gateway API · split-horizon DNS, both halves: CoreDNS for pods, and PiHole as the authoritative LAN resolver for ${BASE_DOMAIN} on udp/53 + tcp/53 at a pinned VIP (192.168.2.23 on prod). The LAN half was claimed from the start but did not exist until 2026-09-14 — PiHole's Service was ClusterIP :80/:4180, so LAN clients ran on hand-maintained per-client dnsmasq files
3 Egress / VPN ADR-0015 node-level OpenVPN split-tunnel + Cilium egress-gateway steering + host kill-switch
4 Observability kube-prometheus-stack · Loki · Alloy · Alertmanager. Velero unblocked 2026-09-13 — backs up to Cloudflare R2 (OQ-BKP closed; the velero-plugin-for-aws tagging incompatibility needed a pinned plugin). Longhorn has no backup target by decision: volume data is protected by Velero + kopia to R2. image-automation authored but disabled
5 IaaS KubeVirt + CDI on real nested KVM; live-migratable RWX VM storage. The UniFi VM runs, but UniFi OS Server is not yet installed in the guest
6 Identity + CI Keycloak (Operator + CNPG) · oauth2-proxy forward-auth · Grafana OIDC · kubectl OIDC SSO with group→RBAC · in-cluster Gitea Actions merge gate
7 Production readiness IN PROGRESS (DR restore proven 2026-09-14; node-loss outstanding). Prod live on bare metal serving the apex; dev decommissioned; CNPG HA 3 instances with primaries spread one per node; NFS bulk media + legacy Nextcloud mounted; VPN egress on prod. Alerting made real 2026-09-13 (Longhorn, cert-manager, Flux and twelve app SLIs had all been unable to fire). Open: node-loss (R-STATE-02) re-proven on prod.

Conformance: 51 / 51 requirements covered (100%), 0 gaps, 0 safety-critical gaps (closed 2026-09-13; R-C2-01/R-C2-02 were the last two). Regenerate with ./conformance/run.sh --coverage-only; the full report is conformance/_artifacts/coverage/coverage.md.

Coverage is not proof. A requirement is covered when an executable test exists for it, and PROVEN only when a recorded run of that test is in conformance/runs/ledger.jsonl at the current SHA on the cluster it claims. Read both numbers: --coverage-only for the first, --status for the second.

The running narrative — decisions, root causes, incidents, follow-ups — is DECISIONS-LOG.md. It, not this table, is the authoritative record.

Working on this repo

Everything the gate needs is baked into the pinned dev container — do not install the toolchain on the host:

infra/devcontainer/dev.sh build            # once
infra/devcontainer/dev.sh run make -C ci gate   # the same gate CI runs
infra/devcontainer/dev.sh                  # interactive shell (sops, flux, kubectl, tofu, ansible)

The container mounts the repo at /work, your age keyring, and the sibling spec repo read-only so the spec-immutability check can actually run. See infra/devcontainer/README.md.

A green run prints MERGE GATE: PASS. The L2/L3 conformance layers stay SKIPPED unless CLUSTER_AVAILABLE=true — the static gate never pretends to have run them.

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