The control-plane flap (etcd lease-renewal timeouts) recurred. Rather than move
etcd to SSD (code-oflt, deferred again), the chosen direction is to REDUCE etcd
load enough that the leader-election-timeout band-aid (renew 10s->30s) becomes
removable. These are the big, clean cuts:
1. Remove VPA/Goldilocks (stacks/vpa emptied). All 349 VPAs ran updateMode=Off
(no auto-right-sizing) yet cost ~800 etcd objects + continuous recommender
writes + a pod-creation admission webhook, purely to feed a dashboard. krr
(Dockerized, on-demand) replaces it. Reverses the re-add after memory 2431.
2. Disable kyverno reporting (admission/aggregate/background). policyReports were
already off, so the pipeline generated ephemeralreports + an hourly
all-resource etcd re-scan for NO user-facing output. Admission enforcement
(deny-* policies) and Keel mutation are unaffected; violations surface via
Loki->Slack.
3. descheduler */5 -> hourly (fewer list/evict cycles; rebalancing isn't urgent).
Deferred (poor ROI / unsafe as planned): ESO refreshInterval 15m->1h is a
~20-stack sprawl for ~0.1 writes/s; keel background=false is invalid for a
mutate-existing policy and its churn is apply-time not steady-state. Both filed
as follow-up beads.
Post-apply: delete the chart-orphaned VPA CRDs to cascade-clean leftover CRs.
Then measure etcd apply-latency and revert the timeouts. Docs updated
(VPA/Goldilocks -> krr). See memory 5402-5407.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
6d224861 came from a --no-checkout worktree whose empty index made the
commit drop every file except two. This restores 05b50d2b's full tree and
correctly adds stacks/stem95su/gdrive-sync.tf + the service-catalog stem95su
entry. Forward-only (parent=6d224861, no force-push); [ci skip] since the
live infra was never applied from the broken commit.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
CronJob stem95su-gdrive-sync (*/10) mounts the content PVC RW and
rclone-syncs the read-only Drive folder "claude" (stem claude/files) onto
it (rclone/rclone:1.74.3, scope=drive.readonly, empty-source guard +
--max-delete 25). ESO ExternalSecret stem95su-rclone <- Vault
secret/stem95su. Requires the GCP OAuth app published to Production or the
refresh token expires ~weekly.
Lands the gdrive-sync stack on master (it had landed on a feature branch
by accident on the shared devvm checkout).
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
## Resolves code-e2dp (Kyverno TF apply blocked)
Root cause: terraform-provider-kubernetes v3.1.0 panics on plan/refresh of
kubernetes_manifest resources holding Kyverno ClusterPolicy CRDs (large
CEL/foreach schemas). Workaround: swap to gavinbunney/kubectl_manifest which
treats manifests as opaque YAML strings.
## Migration mechanics
- Root terragrunt.hcl: added gavinbunney/kubectl provider declaration so all
stacks get it generated in providers.tf.
- stacks/kyverno/modules/kyverno/versions.tf (new): module-level provider source
declaration (required for kubectl_manifest in a child module).
- Converted 17 kubernetes_manifest resources across 7 files to kubectl_manifest
with yaml_body = yamlencode({...}). depends_on chains preserved.
- terraform state rm for all 17 old kubernetes_manifest entries.
- stacks/kyverno/imports.tf (new): TF 1.5+ import blocks mapping each
kubectl_manifest to its live cluster resource by apiVersion//Kind//name ID.
- One resource (policy_inject_keel_annotations) needed kubectl delete + recreate
because the kubectl provider couldn't patch it cleanly (resourceVersion=0
invalid for update — gotcha when adopting a resource previously
kubernetes_manifest-owned).
## W1.4 — security policies Audit → Enforce (LIVE)
Three policies flipped: deny-privileged-containers, deny-host-namespaces,
restrict-sys-admin. Verified live via kubectl. failurePolicy=Ignore preserved.
## Shared exclude list (35 namespaces)
local.security_policy_exclude_namespaces in security-policies.tf.
- 31 critical from memory id=1970 (Keel rollout list)
- + frigate (camera HW transcoding needs host access)
- + kured (privileged DaemonSet for node reboots)
- + default (etcd backup/defrag CronJobs use hostNetwork)
- + changedetection (uses SYS_ADMIN for chromium sandbox)
## W1.5 — require-trusted-registries stays Audit
Pattern */* allows anything-with-a-slash; Enforce would be a no-op for supply
chain. Tracked under beads code-8ywc as follow-up.
## TF import-blocks
The imports.tf file should be removed in a follow-up cleanup commit once
verified — TF doesn't auto-clean these.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
Closes: code-e2dp
Per user decision, removed authentik, kyverno, metallb-system,
external-secrets, proxmox-csi, nfs-csi, vpa, sealed-secrets,
infra-maintenance from the policy-level exclude list, and added
keel.sh/enrolled=true to aiostreams (alive — 1/1 Running, despite
being earlier flagged as scaled-to-0) and woodpecker.
Net cluster coverage: 197/227 workloads on safe-force (86%), up from
170/227 (74%). All 197 are paired with match-tag=true (digest-only).
Remaining 7 namespaces in Kyverno exclude list (irreducible):
- keel (self-update)
- calico-system + tigera-operator (operator-managed Installation CR)
- cnpg-system + dbaas (state-coupled)
- nvidia (chart-pinned at 570.195.03 per code-8vr0 until NVIDIA ships
ubuntu26.04 driver images)
- kube-system (k8s built-ins)
Files:
- stacks/kyverno/modules/kyverno/keel-annotations.tf — exclude list
trimmed from 16 → 7
- stacks/authentik, kyverno, proxmox-csi, nfs-csi, vpa, sealed-secrets,
servarr/aiostreams, metallb (creates ns "metallb-system"), woodpecker —
added keel.sh/enrolled=true label on kubernetes_namespace resource
- infra-maintenance was in the policy exclude but the namespace doesn't
actually exist in the cluster; the removal is a no-op there
Applied via kubectl patch on the live ClusterPolicy + kubectl label on
namespaces because the kubernetes provider v3.1.0 panics on Kyverno
ClusterPolicy refresh — TF source has the desired state for next clean
apply on a fixed provider.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
The mutateExistingOnPolicyUpdate=true on inject-keel-annotations produced
176 UpdateRequests for the initial bulk scan across enrolled namespaces.
At the existing 384Mi limit, kyverno-background-controller OOMKilled while
processing them — no annotations got injected on existing workloads (count
stuck at 30).
Live state already bumped via kubectl set resources; this commit makes it
durable through Terraform. Also lowered the request to 256Mi (the 384Mi
floor was tight against limit; 2Gi headroom for bulk scans, 256Mi steady
state).
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
## Context
Wave 3B-continued: the Goldilocks VPA dashboard (stacks/vpa) runs a Kyverno
ClusterPolicy `goldilocks-vpa-auto-mode` that mutates every namespace with
`metadata.labels["goldilocks.fairwinds.com/vpa-update-mode"] = "off"`. This
is intentional — Terraform owns container resource limits, and Goldilocks
should only provide recommendations, never auto-update. The label is how
Goldilocks decides per-namespace whether to run its VPA in `off` mode.
Effect on Terraform: every `kubernetes_namespace` resource shows the label
as pending-removal (`-> null`) on every `scripts/tg plan`. Dawarich survey
2026-04-18 confirmed the drift. Cluster-side count: 88 namespaces carry the
label (`kubectl get ns -o json | jq ... | wc -l`). Every TF-managed namespace
is affected.
This commit brings the intentional admission drift under the same
`# KYVERNO_LIFECYCLE_V1` discoverability marker introduced in c9d221d5 for
the ndots dns_config pattern. The marker now stands generically for any
Kyverno admission-webhook drift suppression; the inline comment records
which specific policy stamps which specific field so future grep audits
show why each suppression exists.
## This change
107 `.tf` files touched — every stack's `resource "kubernetes_namespace"`
resource gets:
```hcl
lifecycle {
# KYVERNO_LIFECYCLE_V1: goldilocks-vpa-auto-mode ClusterPolicy stamps this label on every namespace
ignore_changes = [metadata[0].labels["goldilocks.fairwinds.com/vpa-update-mode"]]
}
```
Injection was done with a brace-depth-tracking Python pass (`/tmp/add_goldilocks_ignore.py`):
match `^resource "kubernetes_namespace" ` → track `{` / `}` until the
outermost closing brace → insert the lifecycle block before the closing
brace. The script is idempotent (skips any file that already mentions
`goldilocks.fairwinds.com/vpa-update-mode`) so re-running is safe.
Vault stack picked up 2 namespaces in the same file (k8s-users produces
one, plus a second explicit ns) — confirmed via file diff (+8 lines).
## What is NOT in this change
- `stacks/trading-bot/main.tf` — entire file is `/* … */` commented out
(paused 2026-04-06 per user decision). Reverted after the script ran.
- `stacks/_template/main.tf.example` — per-stack skeleton, intentionally
minimal. User keeps it that way. Not touched by the script (file
has no real `resource "kubernetes_namespace"` — only a placeholder
comment).
- `.terraform/` copies (e.g. `stacks/metallb/.terraform/modules/...`) —
gitignored, won't commit; the live path was edited.
- `terraform fmt` cleanup of adjacent pre-existing alignment issues in
authentik, freedify, hermes-agent, nvidia, vault, meshcentral. Reverted
to keep the commit scoped to the Goldilocks sweep. Those files will
need a separate fmt-only commit or will be cleaned up on next real
apply to that stack.
## Verification
Dawarich (one of the hundred-plus touched stacks) showed the pattern
before and after:
```
$ cd stacks/dawarich && ../../scripts/tg plan
Before:
Plan: 0 to add, 2 to change, 0 to destroy.
# kubernetes_namespace.dawarich will be updated in-place
(goldilocks.fairwinds.com/vpa-update-mode -> null)
# module.tls_secret.kubernetes_secret.tls_secret will be updated in-place
(Kyverno generate.* labels — fixed in 8d94688d)
After:
No changes. Your infrastructure matches the configuration.
```
Injection count check:
```
$ rg -c 'KYVERNO_LIFECYCLE_V1: goldilocks-vpa-auto-mode' stacks/ | awk -F: '{s+=$2} END {print s}'
108
```
## Reproduce locally
1. `git pull`
2. Pick any stack: `cd stacks/<name> && ../../scripts/tg plan`
3. Expect: no drift on the namespace's goldilocks.fairwinds.com/vpa-update-mode label.
Closes: code-dwx
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Phase 2 of platform stack split. 5 more modules extracted into
independent stacks. All applied successfully with zero destroys.
Cloudflared now reads k8s_users from Vault directly to compute
user_domains. Woodpecker pipeline runs all 8 extracted stacks
in parallel. Memory bumped to 6Gi for 9 concurrent TF processes.
Platform reduced from 27 to 19 modules.