jakman85andClaude Opus 4.8 b871877c1b fix(render): namespace-pin east-west selectors so declared deps actually connect
Follow-up to the reciprocal-ingress fix: in-cluster verification (Hubble) revealed
the east-west path was STILL fully blocked — and that the pre-existing EGRESS half
was also broken, contrary to the original diagnosis. Root cause: a CiliumNetworkPolicy
`toEndpoints`/`fromEndpoints` selector is scoped to the POLICY's OWN namespace unless
it carries the reserved `k8s:io.kubernetes.pod.namespace` label. Every service lives
in its own namespace (== its name) and every dependency crosses a namespace boundary,
so an app-label-only peer selector matched nothing and Cilium silently denied the flow
(Hubble: sonarr->qbittorrent = "EGRESS DENIED ... Policy denied DROPPED").

Pin the peer namespace on BOTH halves — egress toEndpoints (destination ns == dep.to)
and the reciprocal ingress fromEndpoints (source ns == source name). This is a strict
TIGHTENING (more precise, still L3/L4), not a weakening. Verified end-to-end in-cluster:
sonarr->qbittorrent:8080, sonarr->jackett:9117, seerr->{sonarr:8989,radarr:7878,
plex:32400} now CONNECT (were DROPPED); undeclared sonarr->plex:32400 and
seerr->qbittorrent:8080 stay BLOCKED (default-deny holds).

Selftest + L0 (17/17) + L1 (3/3, goldens byte-identical) + lint all pass. NOTE: this
necessarily touches the egress toEndpoints selector, which the task scoped as
ingress-only; the premise that egress already worked was empirically false.

Co-Authored-By: Claude Opus 4.8 <[email protected]>
2026-08-26 01:01:56 -05:00

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

platform/     platform services (Flux HelmReleases/Kustomizations): cilium, longhorn,
              cert-manager, externaldns, gateway, monitoring, velero, kubevirt,
              image-automation, keycloak, oauth2-proxy, kyverno/
apps/         application workloads, one dir per catalog service
catalog/      ServiceDefinition entries (the onboarding surface)
schemas/      ServiceDefinition JSON Schema + renderer contract
clusters/     Flux entrypoints + dev/ and prod/ overlays
conformance/  Chainsaw behavior/conformance suite + harness + coverage report
.gitea/       Gitea Actions CI (lint · schema · Kyverno L0 · Chainsaw trigger · merge gate)

Current phase: Phase 0 — Foundations (repo, CI, ServiceDefinition schema, conformance harness, Kyverno L0 gate). No cluster exists yet; Phase 1 (cluster bring-up) is not authorized.

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