feat(homepage): declare Infrastructure as Code and enforce declared groups - #3173
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…roups Homepage takes a group's order and icon from the layout block here, but the group NAME from an annotation on a route — often in another repository. Nothing bound the two, and an undeclared group is accepted silently: it renders below every declared group, bookmarks included, with a generic icon. Crossview's "Infrastructure as Code" and doggy-countdown's "Fun" both landed there. Declares Infrastructure as Code ahead of Cloud and Network, the two providers Crossplane actually declares. The icon is mdi-file-cog because simple-icons has no crossplane slug (verified 404). Adds restrict-homepage-service-groups, which rejects a route opting into discovery while naming a group the layout does not declare. Homepage offers no native way to filter discovery by group, so the binding has to be at admission. It covers HTTPRoute and Ingress, applies to platform-owned routes too — the Crossview one is how this was found — and excludes bookmark group names, which would otherwise paint a bookmark heading twice. The allow-list is duplicated rather than read from the ConfigMap: a Kyverno context lookup would make every annotated route un-appliable if that ConfigMap became unreadable, trading a silent cosmetic bug for a reconciliation outage. Both files now cross-reference each other so the pair moves in one PR.
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📝 WalkthroughWalkthroughThe Homepage configuration now documents service-group ordering and synchronization requirements. It adds an Possibly related PRs
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Inline comments:
In
`@k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml`:
- Around line 48-55: Update the Kyverno policy metadata and validation
configuration: change policies.kyverno.io/minversion to 1.13.0, remove
spec.validationFailureAction, and set validate.failureAction to Enforce on the
relevant rule. Add a static test or guard that verifies the effective rule
action is Enforce, in addition to the existing rule-result assertions.
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📒 Files selected for processing (5)
k8s/bases/apps/homepage/config-map.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/infrastructure/cluster-policies/kustomization.yamltests/restrict-homepage-service-groups/kyverno-test.yamltests/restrict-homepage-service-groups/resources.yaml
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**/*.{yaml,yml}
📄 CodeRabbit inference engine (AGENTS.md)
**/*.{yaml,yml}: Never run a cluster
Put a change in the layer that matches its scope
Files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamltests/restrict-homepage-service-groups/kyverno-test.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/apps/homepage/config-map.yamltests/restrict-homepage-service-groups/resources.yaml
🧠 Learnings (7)
📚 Learning: 2026-07-01T21:13:36.950Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 2359
File: k8s/bases/apps/actual-budget/helm-release.yaml:62-111
Timestamp: 2026-07-01T21:13:36.950Z
Learning: When reviewing Kustomize/Helm YAML in this repo, keep the base vs provider overlay split: `k8s/bases/apps/**` and `k8s/bases/infrastructure/**` should contain each app’s full, environment-agnostic configuration (including base-level postRenderer Kustomize patches such as deployment strategy, topology spread, probes, and env injection). `k8s/providers/{docker,hetzner}/**` should only add small provider-specific deltas (e.g., `interval`, `persistence.size`) via patch files (like `k8s/providers/<provider>/apps/<app>/patches/helm-release-patch.yaml`). If configuration is identical across providers (e.g., OIDC/OAuth env vars where `${domain}` is resolved per cluster via envsubst), it belongs in the base and must not be duplicated into provider overlays.
Applied to files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/apps/homepage/config-map.yaml
📚 Learning: 2026-08-08T15:10:00.349Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 3017
File: k8s/bases/infrastructure/coroot/components/crossplane-sync-exporter/deployment.yaml:13-21
Timestamp: 2026-08-08T15:10:00.349Z
Learning: In the devantler-tech/platform repository, Checkov CI scans source manifests with `--skip-framework kustomize` rather than rendered Kustomize overlays. To suppress a Checkov finding on a base manifest, place the appropriate `checkov.io/skip*` annotation directly in that base YAML file; an overlay patch will not suppress findings reported for the source file.
Applied to files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/apps/homepage/config-map.yaml
📚 Learning: 2026-08-08T15:10:00.350Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 3017
File: k8s/bases/infrastructure/coroot/components/crossplane-sync-exporter/deployment.yaml:13-21
Timestamp: 2026-08-08T15:10:00.350Z
Learning: For Kubernetes manifests under k8s/bases/, keep workload-related Checkov exception annotations (checkov.io/skip*) in the base manifest when the checked condition is defined there and CI scans that source manifest directly. Do not move these annotations to overlays solely because the base is immutable; keeping them with the workload ensures the disposition applies consistently to every consumer of the base.
Applied to files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/apps/homepage/config-map.yaml
📚 Learning: 2026-08-08T21:23:32.529Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 3025
File: k8s/bases/infrastructure/controllers/kubescape/helm-release.yaml:97-133
Timestamp: 2026-08-08T21:23:32.529Z
Learning: In the devantler-tech/platform repository, modify Kubernetes manifests directly under k8s/bases/ when a configuration change should apply to all Kustomize overlays. Use provider- or cluster-specific overlay patches only for changes that are intentionally limited to those overlays.
Applied to files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/apps/homepage/config-map.yaml
📚 Learning: 2026-08-11T12:41:28.242Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 3082
File: k8s/bases/infrastructure/controllers/coroot/cron-job-cnpg-degraded-alert.yaml:113-120
Timestamp: 2026-08-11T12:41:28.242Z
Learning: When changing behavior in Kubernetes manifests or related documentation, review comments and documentation in YAML/YML and Markdown files for statements describing the previous behavior. Update every stale statement in the same change so the repository’s explanatory text remains consistent with the implementation.
Applied to files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamltests/restrict-homepage-service-groups/kyverno-test.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yamlk8s/bases/apps/homepage/config-map.yamltests/restrict-homepage-service-groups/resources.yaml
📚 Learning: 2026-08-16T03:58:51.588Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 2740
File: k8s/bases/infrastructure/cluster-policies/best-practices/restrict-tenant-route-hostnames.yaml:61-61
Timestamp: 2026-08-16T03:58:51.588Z
Learning: For Kyverno ClusterPolicy manifests under k8s/bases/infrastructure/cluster-policies, do not use the deprecated top-level spec.validationFailureAction field. Configure the equivalent per-rule validate.failureAction instead, preserving each policy's existing Audit or Enforce behavior. Add or run an effective-action validation guard because kyverno test verifies rule results but does not confirm the admission failure action.
Applied to files:
k8s/bases/infrastructure/cluster-policies/kustomization.yamlk8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml
📚 Learning: 2026-08-15T07:39:50.444Z
Learnt from: devantler
Repo: devantler-tech/platform PR: 2718
File: k8s/bases/infrastructure/cluster-policies/best-practices/restrict-github-team-management.yaml:19-28
Timestamp: 2026-08-15T07:39:50.444Z
Learning: For all Kyverno ClusterPolicy manifests under k8s/bases/infrastructure/cluster-policies/best-practices/, do not use the deprecated top-level spec.validationFailureAction. Migrate each policy's validation rules to set validate.failureAction per rule, completing the migration for all nine policies with or before the next Kyverno version bump. Track the work under GitHub issue `#3149`.
Applied to files:
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml
🔇 Additional comments (4)
k8s/bases/apps/homepage/config-map.yaml (1)
60-75: LGTM!Also applies to: 93-99
k8s/bases/infrastructure/cluster-policies/kustomization.yaml (1)
15-15: LGTM!tests/restrict-homepage-service-groups/resources.yaml (1)
1-122: LGTM!tests/restrict-homepage-service-groups/kyverno-test.yaml (1)
1-48: LGTM!
…he layout Kyverno's v1 CRD on the deployed v1.18.2 calls spec.validationFailureAction "Deprecated, use validationFailureAction under the validate rule instead." It is still honoured — the live restrict-tenant-route-hostnames keeps Enforce and reports Ready — so this is debt rather than breakage, but a new policy should not add to it. The eleven existing policies are migrated separately in #3176. Adds a static guard, wired into the cluster-policy CI job. Beyond asserting the rule enforces, it pins the policy's allow-list to the Homepage layout's service groups, derived structurally as layout keys minus bookmark group names rather than by reading the section comment — so rewording that comment cannot change what the test believes. It also rejects a bookmark group name being accepted as a service group, and fails closed if either side extracts zero groups. That makes the duplicated allow-list a tested invariant instead of a documented convention, which is the better answer to the trade-off the policy comment describes.
CI's shellcheck flags `A && B || C` (SC2015) on the two ConfigMap presence checks; the local shellcheck 0.11.0 emits nothing for the same file and exits 0, so this passed locally and failed in CI. The finding is right regardless of version — in `A && B || C` the C branch also runs when A succeeds and B fails, which is not the intended if-then-else. Written as explicit if-statements both versions agree, and the ablation still fires.
…ude/homepage-groups # Conflicts: # scripts/tests/test-restrict-homepage-service-groups.sh
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New head after addressing the previous finding. The deprecated Also folded in MegaLinter's auto-pushed formatting commit and fixed the SC2015 it left in place. CI green at this head: 20 success / 11 skipped / 0 failures. @coderabbitai review |
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🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
printf '%s\n' '=== Changed files ==='
git diff --name-status HEAD^ HEAD
printf '%s\n' '=== Changed diff (focused) ==='
git diff --find-renames --find-copies HEAD^ HEAD -- \
k8s/bases/apps/homepage/config-map.yaml \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/infrastructure/cluster-policies/kustomization.yaml \
tests/restrict-homepage-service-groups/kyverno-test.yaml \
tests/restrict-homepage-service-groups/resources.yaml \
.github
printf '%s\n' '=== Candidate guard and CI references ==='
rg -n -i -C 4 \
'homepage.*service.*group|service.*group.*homepage|restrict-homepage-service-groups|validationFailureAction|failureAction|minversion' \
.github k8s tests 2>/dev/null || true
printf '%s\n' '=== Policy file outline ==='
ast-grep outline \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
--items all 2>/dev/null || trueLength of output: 53498 🏁 Script executed: #!/bin/bash
set -euo pipefail
printf '%s\n' '=== Recent commit topology ==='
git log --oneline --decorate -n 12
printf '%s\n' '=== Candidate remote branches ==='
git branch -a --no-color | sed -n '1,120p'
printf '%s\n' '=== Complete files under review ==='
for file in \
k8s/bases/apps/homepage/config-map.yaml \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/infrastructure/cluster-policies/kustomization.yaml \
tests/restrict-homepage-service-groups/kyverno-test.yaml \
tests/restrict-homepage-service-groups/resources.yaml \
scripts/tests/test-restrict-homepage-service-groups.sh \
.github/workflows/ci.yaml
do
printf '\n=== %s ===\n' "$file"
cat -n "$file"
done
printf '%s\n' '=== Related policy rule patterns ==='
rg -n -U -C 3 \
'validate:\n[[:space:]]+failureAction:|foreach:|anyPattern:|pattern:|deny:' \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/infrastructure/cluster-policies/best-practices 2>/dev/null || trueLength of output: 151350 🏁 Script executed: #!/bin/bash
set -euo pipefail
base="8e46130e"
head="HEAD"
printf '%s\n' '=== Full pull request change summary ==='
git diff --stat "${base}" "${head}"
git diff --name-status "${base}" "${head}"
printf '%s\n' '=== Full pull request diff: reviewed files ==='
git diff --find-renames "${base}" "${head}" -- \
k8s/bases/apps/homepage/config-map.yaml \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/infrastructure/cluster-policies/kustomization.yaml \
tests/restrict-homepage-service-groups \
scripts/tests/test-restrict-homepage-service-groups.sh \
.github/workflows/ci.yaml
printf '%s\n' '=== Homepage discovery annotations in Kubernetes manifests ==='
rg -n -i -C 3 \
'gethomepage\.dev/(enabled|group):' \
k8s --glob '*.yaml' --glob '*.yml'
printf '%s\n' '=== Static shell validation for the new guard ==='
bash -n scripts/tests/test-restrict-homepage-service-groups.sh
if command -v shellcheck >/dev/null 2>&1; then
shellcheck scripts/tests/test-restrict-homepage-service-groups.sh
else
echo 'shellcheck is unavailable in this sandbox'
fi
printf '%s\n' '=== Guard references and workflow path-filter coverage ==='
rg -n -C 2 \
'test-restrict-homepage-service-groups\.sh|config-map\.yaml|restrict-homepage-service-groups\.yaml' \
.github/workflows/ci.yamlLength of output: 37256
The policy enforces the declared service-group contract for opted-in The repository annotation inventory contains only declared groups for enabled Homepage routes. The guard passes shell syntax and ShellCheck validation. I used the repository Kyverno migration context when I reviewed the rule-level action change. 🧠 Learnings used
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CodeRabbit returned This head adds a Kyverno policy binding Homepage's discovered service groups to the dashboard's @codex review |
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Bugbot couldn't run - usage limit reachedBugbot is counted against Cursor usage for this user or team, and this run hit a usage or spend limit. A user or team admin can review and increase usage limits in the Cursor dashboard. (requestId: serverGenReqId_da91b568-ce4f-4210-915a-5140a6ef0e68) |
The rule's message names the valid groups so a rejected apply need not go read the layout. That made three copies of the list — layout, allow-list, message — and only the first two were pinned to each other. A stale message goes wrong exactly when a group is added, which is when someone is most likely to be reading it. Ablation: removing one group from the message while leaving the allow-list intact now fails.
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New head: the guard now also pins the rule's deny message to the allow-list, closing the third copy CI green at this head: 20 success / 11 skipped / 0 failures. @coderabbitai review |
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Tip For best results, initiate chat on the files or code changes. 🧩 Analysis chain🏁 Script executed: #!/bin/bash
set -euo pipefail
base="2198781a9481e1a416744100088a28595ffcc732"
head="9d3e72cbdb34bb14d3e9c06e8b7b963b6de6b2c4"
printf '%s\n' '=== Incremental change summary ==='
git diff --stat "$base" "$head"
git diff --name-status "$base" "$head"
printf '%s\n' '=== Incremental diff ==='
git diff --find-renames "$base" "$head" -- \
scripts/tests/test-restrict-homepage-service-groups.sh \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/apps/homepage/config-map.yaml \
.github/workflows/ci.yaml
printf '%s\n' '=== Candidate file outlines ==='
for file in \
scripts/tests/test-restrict-homepage-service-groups.sh \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/apps/homepage/config-map.yaml
do
if [ -f "$file" ]; then
printf '\n=== %s ===\n' "$file"
ast-grep outline "$file" --items all 2>/dev/null || true
fi
done
printf '%s\n' '=== Complete guard ==='
cat -n scripts/tests/test-restrict-homepage-service-groups.sh
printf '%s\n' '=== Policy message and allowed groups ==='
rg -n -C 10 'message:|service\.group|AnyNotIn|Infrastructure as Code|Cloud|Network' \
k8s/bases/infrastructure/cluster-policies/best-practices/restrict-homepage-service-groups.yaml \
k8s/bases/apps/homepage/config-map.yaml
printf '%s\n' '=== Static shell checks ==='
bash -n scripts/tests/test-restrict-homepage-service-groups.sh
if command -v shellcheck >/dev/null 2>&1; then
shellcheck scripts/tests/test-restrict-homepage-service-groups.sh
else
printf '%s\n' 'shellcheck is unavailable in this sandbox'
fiLength of output: 32560
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Self-review (fallback — CodeRabbit, Codex and Cursor Bugbot unavailable)
Reviewed commit: 9d3e72cbdb34bb14d3e9c06e8b7b963b6de6b2c4
Per-lane evidence, stated precisely rather than rounded up:
- CodeRabbit —
Review rate limitedon this head's commit status. Two attempts: the standard
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@coderabbitai full review— the documented escape from that wedge — returned the same rate limit.
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usage/spend limits with no stated retry window, which a new commit twelve minutes later cannot
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this exact head.
What I checked
The policy does what the PR claims, in the built output — not just in the file. Rendered
k8s/providers/hetzner/infrastructure (10027 lines) and asserted the policy is present with
failureAction: Enforce and 13 allowed groups, so the kustomization registration is real rather than
assumed.
Operational safety of a cluster-wide Enforce policy. It carries no request.userInfo reference,
so background scanning (default on) works and existing drift surfaces in PolicyReports instead of
only at admission. On DELETE, request.object is null, so the precondition's || 'false' default
makes the rule skip rather than evaluate against a missing object.
That it cannot deny anything currently deployed. Every live route's group is now declared —
verified against the cluster after doggy-countdown v1.0.2 landed. This was the one real
merge-ordering hazard and it is resolved, not assumed.
Drift, which is the whole point of the change. The group list exists in three places: the layout,
the policy allow-list, and the deny message. scripts/tests/test-restrict-homepage-service-groups.sh
pins all three, deriving the expected set structurally (layout keys − bookmark groups) rather than
by parsing a section comment. Four ablations, each verified to land before running: drop a group
(fails), Enforce→Audit (fails), leak bookmark group Banking (fails), stale the message (fails).
It also fails closed if any side extracts zero groups.
Validation. CI 20 success / 11 skipped / 0 failures; kyverno test ./tests 49/49;
ksail workload validate 576 files exit 0 on both overlays; shellcheck clean; naming validator clean.
What I could NOT verify
Real admission behaviour in-cluster. kubectl apply --dry-run=server is blocked in this environment,
so the Kyverno CLI evaluation plus the rendered-output assertion are the proxies. The behaviour to
confirm after rollout is that a route naming an undeclared group is actually rejected.
Verdict: no P0/P1 findings — one non-blocking nit inline.
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Readiness at
|
| Condition | State |
|---|---|
| Programmatically tested | ✅ kyverno test ./tests 49/49 with a firing ablation; 4 further ablations on the sync guard, each verified to land first; ksail workload validate 576 files exit 0 on both overlays; shellcheck and naming validators clean; CI 20 success / 11 skipped / 0 failures |
| Reviewed | ✅ Clean current-head local review round, all three external lanes evidenced unavailable |
| Tried and evaluated | ✅ for the policy, |
On the third condition, being precise about what was actually exercised. The policy half is
genuinely exercised rather than merely validated: the Kyverno CLI at v1.18.2 — the same version
deployed in-cluster — evaluates the real policy against real route fixtures and produces actual
allow/deny outcomes, including for the exact drift that motivated this (Fun), a missing annotation,
a bookmark group name, and a mis-cased group. I also asserted the policy appears in the rendered
build (10027 lines) with failureAction: Enforce and 13 allowed groups, so registration is observed,
not assumed.
The layout half — that Infrastructure as Code now renders with the other services rather than below
the bookmark rail — is a dashboard-rendering effect only observable once deployed.
Merge-order gate: cleared, not assumed. This policy denies nothing currently in the cluster —
every live route's group is declared, verified against prod after doggy-countdown v1.0.2 deployed
and moved Simba Countdown from the undeclared Fun to Personal Sites.
What to check after rollout: that Crossview appears under Infrastructure as Code alongside the
other services, and that a route naming an undeclared group is actually rejected at admission.
devantler
marked this pull request as ready for review
August 16, 2026 19:37
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Why
On the dashboard, Crossview and Simba Countdown render below the bookmark rail instead of with the
other services. The cause is the same for both: Homepage takes a group's position and icon from the
layoutblock in the homepage config, but the group name comes from an annotation on a route —frequently in a different repository. Nothing bound the two, and the failure is silent: an undeclared
group still renders, it just sinks below every declared group with a generic icon.
Two groups were in exactly that state —
Infrastructure as Code(a platform-owned route, in thisrepo) and
Fun(a tenant route). Neither was declared.What
Declares Infrastructure as Code, positioned ahead of Cloud and Network — Crossplane declares the
Hetzner cloud and the UniFi network, so it reads before the provider consoles it manages. That alone
moves Crossview up with the other services.
Adds a Kyverno policy, restrict-homepage-service-groups, so this cannot silently recur: a route
that opts into dashboard discovery may only name a group the layout declares. Homepage has no native
way to filter discovery by group, so admission is the only place the two surfaces can be bound. It
applies to the platform's own routes as well as tenants' — the Crossview route is how this was found
— and does not accept bookmark group names, which would paint a bookmark heading twice.
Merge order
Land
devantler-tech/doggy-countdown#15and let it deploy before merging this. That tenant'sroute is still annotated with the undeclared group in-cluster, because its repo has no release
pipeline and a fix from 2026-08-04 has never been published. Flux re-applies on every reconcile, so
enforcing here first would deny that route at admission and break the tenant's reconciliation. The
repo is already correct; it just needs a release.
Trade-off worth flagging
The policy's allow-list duplicates the layout's service groups rather than reading the ConfigMap.
A Kyverno context lookup would bind them perfectly but makes every annotated route in the cluster
un-appliable if that ConfigMap ever became unreadable — trading a silent cosmetic bug for a
reconciliation outage. The two files now cross-reference each other so the pair moves in one PR.