infra/stacks/resume/main.tf
Viktor Barzin 8b43692af0 [infra] Suppress Goldilocks vpa-update-mode label drift on all namespaces [ci skip]
## 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>
2026-04-18 21:15:27 +00:00

361 lines
8.3 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
variable "resume_database_url" { type = string }
variable "nfs_server" { type = string }
variable "mail_host" { type = string }
data "vault_kv_secret_v2" "secrets" {
mount = "secret"
name = "resume"
}
locals {
namespace = "resume"
app_url = "https://resume.viktorbarzin.me"
mailserver_accounts = jsondecode(data.vault_kv_secret_v2.secrets.data["mailserver_accounts"])
}
resource "kubernetes_namespace" "resume" {
metadata {
name = local.namespace
labels = {
tier = local.tiers.aux
}
}
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"]]
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.resume.metadata[0].name
tls_secret_name = var.tls_secret_name
}
resource "kubernetes_manifest" "external_secret" {
manifest = {
apiVersion = "external-secrets.io/v1beta1"
kind = "ExternalSecret"
metadata = {
name = "resume-secrets"
namespace = "resume"
}
spec = {
refreshInterval = "15m"
secretStoreRef = {
name = "vault-kv"
kind = "ClusterSecretStore"
}
target = {
name = "resume-secrets"
}
dataFrom = [{
extract = {
key = "resume"
}
}]
}
}
depends_on = [kubernetes_namespace.resume]
}
# Printer service (browserless chromium for PDF generation)
resource "kubernetes_deployment" "printer" {
metadata {
name = "printer"
namespace = kubernetes_namespace.resume.metadata[0].name
labels = {
app = "printer"
tier = local.tiers.aux
}
}
spec {
replicas = 0 # Scaled down — browserless chromium causes node OOM
selector {
match_labels = {
app = "printer"
}
}
template {
metadata {
labels = {
app = "printer"
}
}
spec {
container {
name = "printer"
image = "ghcr.io/browserless/chromium:latest"
port {
container_port = 3000
}
env {
name = "HEALTH"
value = "true"
}
env {
name = "CONCURRENT"
value = "20"
}
env {
name = "QUEUED"
value = "10"
}
resources {
requests = {
memory = "128Mi"
cpu = "25m"
}
limits = {
memory = "128Mi"
}
}
liveness_probe {
http_get {
path = "/pressure"
port = 3000
}
initial_delay_seconds = 30
period_seconds = 10
timeout_seconds = 5
}
readiness_probe {
http_get {
path = "/pressure"
port = 3000
}
initial_delay_seconds = 10
period_seconds = 10
timeout_seconds = 5
}
}
}
}
}
}
resource "kubernetes_service" "printer" {
metadata {
name = "printer"
namespace = kubernetes_namespace.resume.metadata[0].name
}
spec {
selector = {
app = "printer"
}
port {
port = 3000
target_port = 3000
}
}
}
resource "kubernetes_persistent_volume_claim" "data_proxmox" {
wait_until_bound = false
metadata {
name = "resume-data-proxmox"
namespace = kubernetes_namespace.resume.metadata[0].name
annotations = {
"resize.topolvm.io/threshold" = "80%"
"resize.topolvm.io/increase" = "100%"
"resize.topolvm.io/storage_limit" = "5Gi"
}
}
spec {
access_modes = ["ReadWriteOnce"]
storage_class_name = "proxmox-lvm"
resources {
requests = {
storage = "1Gi"
}
}
}
}
# Reactive Resume app
resource "kubernetes_deployment" "resume" {
metadata {
name = "resume"
namespace = kubernetes_namespace.resume.metadata[0].name
labels = {
app = "resume"
tier = local.tiers.aux
}
}
spec {
replicas = 0 # Scaled down with printer — depends on browserless chromium
strategy {
type = "Recreate"
}
selector {
match_labels = {
app = "resume"
}
}
template {
metadata {
labels = {
app = "resume"
}
annotations = {
"reloader.stakater.com/search" = "true"
}
}
spec {
container {
name = "resume"
image = "amruthpillai/reactive-resume:v5.0.3"
port {
container_port = 3000
}
# Required env vars
env {
name = "APP_URL"
value = local.app_url
}
env {
name = "DATABASE_URL"
value = var.resume_database_url
}
env {
name = "PRINTER_ENDPOINT"
value = "ws://printer.${local.namespace}.svc.cluster.local:3000"
}
env {
name = "PRINTER_APP_URL"
value = "http://resume.${local.namespace}.svc.cluster.local"
}
env {
name = "AUTH_SECRET"
value_from {
secret_key_ref {
name = "resume-secrets"
key = "auth_secret"
}
}
}
# Server config
env {
name = "TZ"
value = "Etc/UTC"
}
# SMTP config for password reset emails
env {
name = "SMTP_HOST"
value = var.mail_host
}
env {
name = "SMTP_PORT"
value = "587"
}
env {
name = "SMTP_USER"
value = "info@viktorbarzin.me"
}
env {
name = "SMTP_PASS"
value = local.mailserver_accounts["info@viktorbarzin.me"]
}
env {
name = "SMTP_FROM"
value = "Reactive Resume <info@viktorbarzin.me>"
}
env {
name = "SMTP_SECURE"
value = "false"
}
# Feature flags
env {
name = "FLAG_DISABLE_SIGNUPS"
value = "false" # toggle me
}
volume_mount {
name = "data"
mount_path = "/app/data"
}
resources {
requests = {
memory = "64Mi"
cpu = "15m"
}
limits = {
memory = "64Mi"
}
}
liveness_probe {
http_get {
path = "/api/health"
port = 3000
}
initial_delay_seconds = 60
period_seconds = 30
timeout_seconds = 10
}
readiness_probe {
http_get {
path = "/api/health"
port = 3000
}
initial_delay_seconds = 30
period_seconds = 10
timeout_seconds = 5
}
}
volume {
name = "data"
persistent_volume_claim {
claim_name = kubernetes_persistent_volume_claim.data_proxmox.metadata[0].name
}
}
}
}
}
}
resource "kubernetes_service" "resume" {
metadata {
name = "resume"
namespace = kubernetes_namespace.resume.metadata[0].name
}
spec {
selector = {
app = "resume"
}
port {
port = 80
target_port = 3000
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
dns_type = "proxied"
namespace = kubernetes_namespace.resume.metadata[0].name
name = "resume"
tls_secret_name = var.tls_secret_name
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Resume"
"gethomepage.dev/description" = "Online resume"
"gethomepage.dev/icon" = "mdi-file-account"
"gethomepage.dev/group" = "Other"
"gethomepage.dev/pod-selector" = ""
}
}