topolvm/pvc-autoresizer's threshold annotation is the FREE-SPACE percentage below which expansion fires (per upstream README). Setting it to "80%" means "expand when free-space drops below 80%", i.e. as soon as the PVC crosses 20% utilization — which caused prometheus-data-proxmox to be repeatedly expanded from 200Gi to 433Gi in 70 minutes (six 10% bumps, all when the volume was only ~14% used). Once the SC opt-in fix landed (1e4eac53) and the inode metrics fix landed (02a12f1a), the autoresizer started actively misfiring across 75+ PVCs cluster-wide. Flip the value to "10%" everywhere — that's "expand when free-space drops below 10%", i.e. at 90% utilization, which is the conventional semantic and matches the alert thresholds in prometheus_chart_values.tpl (PVAutoExpanding fires at 80%, PVFillingUp at 95%). The CLAUDE.md PVC template was the source of the misconfig, so update it too. Live PVC annotations were patched in parallel via kubectl annotate; TF apply on each affected stack will be a no-op against those live values. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
176 lines
4.1 KiB
HCL
176 lines
4.1 KiB
HCL
variable "image_tag" {
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type = string
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default = "7c01448d"
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description = "priority-pass image tag (applies to both frontend + backend). Use 8-char git SHA in CI; :latest only for local trials."
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}
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variable "tls_secret_name" {
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type = string
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sensitive = true
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}
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locals {
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frontend_image = "docker.io/viktorbarzin/priority-pass-frontend:${var.image_tag}"
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backend_image = "docker.io/viktorbarzin/priority-pass-backend:${var.image_tag}"
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}
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resource "kubernetes_namespace" "priority-pass" {
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metadata {
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name = "priority-pass"
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labels = {
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"istio-injection" = "disabled"
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tier = local.tiers.aux
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}
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}
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lifecycle {
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# KYVERNO_LIFECYCLE_V1: goldilocks-vpa-auto-mode ClusterPolicy stamps this label on every namespace
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ignore_changes = [metadata[0].labels["goldilocks.fairwinds.com/vpa-update-mode"]]
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}
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}
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module "tls_secret" {
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source = "../../modules/kubernetes/setup_tls_secret"
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namespace = "priority-pass"
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tls_secret_name = var.tls_secret_name
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}
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resource "kubernetes_persistent_volume_claim" "uploads" {
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wait_until_bound = false
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metadata {
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name = "priority-pass-uploads"
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namespace = kubernetes_namespace.priority-pass.metadata[0].name
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annotations = {
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"resize.topolvm.io/threshold" = "10%"
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"resize.topolvm.io/increase" = "100%"
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"resize.topolvm.io/storage_limit" = "10Gi"
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}
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}
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spec {
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access_modes = ["ReadWriteOnce"]
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storage_class_name = "proxmox-lvm-encrypted"
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resources {
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requests = { storage = "1Gi" }
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}
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}
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}
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resource "kubernetes_deployment" "priority-pass" {
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metadata {
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name = "priority-pass"
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namespace = "priority-pass"
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labels = {
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run = "priority-pass"
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tier = local.tiers.aux
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}
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}
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spec {
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replicas = 1
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strategy {
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type = "Recreate"
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}
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selector {
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match_labels = {
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run = "priority-pass"
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}
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}
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template {
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metadata {
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labels = {
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run = "priority-pass"
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}
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}
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spec {
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image_pull_secrets {
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name = "registry-credentials"
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}
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volume {
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name = "uploads"
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persistent_volume_claim {
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claim_name = kubernetes_persistent_volume_claim.uploads.metadata[0].name
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}
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}
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container {
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name = "frontend"
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image = local.frontend_image
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port {
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container_port = 3000
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}
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env {
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name = "BACKEND_URL"
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value = "http://127.0.0.1:8000"
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}
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env {
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name = "ORIGIN"
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value = "https://priority-pass.viktorbarzin.me"
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}
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resources {
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limits = {
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memory = "128Mi"
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}
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requests = {
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cpu = "10m"
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memory = "128Mi"
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}
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}
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}
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container {
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name = "backend"
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image = local.backend_image
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port {
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container_port = 8000
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}
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env {
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name = "UPLOAD_DIR"
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value = "/data/uploads"
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}
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volume_mount {
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name = "uploads"
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mount_path = "/data/uploads"
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}
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resources {
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limits = {
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memory = "512Mi"
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}
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requests = {
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cpu = "10m"
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memory = "512Mi"
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}
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}
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}
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}
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}
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}
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lifecycle {
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ignore_changes = [spec[0].template[0].spec[0].dns_config] # KYVERNO_LIFECYCLE_V1
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}
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}
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resource "kubernetes_service" "priority-pass" {
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metadata {
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name = "priority-pass"
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namespace = "priority-pass"
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labels = {
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run = "priority-pass"
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}
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}
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spec {
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selector = {
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run = "priority-pass"
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}
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port {
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name = "http"
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port = 80
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target_port = 3000
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}
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}
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}
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module "ingress" {
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source = "../../modules/kubernetes/ingress_factory"
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dns_type = "proxied"
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namespace = "priority-pass"
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name = "priority-pass"
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tls_secret_name = var.tls_secret_name
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auth = "required"
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max_body_size = "10m"
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}
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