infra/stacks/platform/modules/monitoring/caretta.tf
Viktor Barzin 407b33abd6
resource quota review: fix OOM risks, close quota gaps, add HA protections
Phase 1 - OOM fixes:
- dashy: increase memory limit 512Mi→1Gi (was at 99% utilization)
- caretta DaemonSet: set explicit resources 300Mi/512Mi (was at 85-98%)
- mysql-operator: add Helm resource values 256Mi/512Mi, create namespace
  with tier label (was at 92% of LimitRange default)
- prowlarr, flaresolverr, annas-archive-stacks: add explicit resources
  (outgrowing 256Mi LimitRange defaults)
- real-estate-crawler celery: add resources 512Mi/3Gi (608Mi actual, no
  explicit resources)

Phase 2 - Close quota gaps:
- nvidia, real-estate-crawler, trading-bot: remove custom-quota=true
  labels so Kyverno generates tier-appropriate quotas
- descheduler: add tier=1-cluster label for proper classification

Phase 3 - Reduce excessive quotas:
- monitoring: limits.memory 240Gi→64Gi, limits.cpu 120→64
- woodpecker: limits.memory 128Gi→32Gi, limits.cpu 64→16
- GPU tier default: limits.memory 96Gi→32Gi, limits.cpu 48→16

Phase 4 - Kubelet protection:
- Add cpu: 200m to systemReserved and kubeReserved in kubelet template

Phase 5 - HA improvements:
- cloudflared: add topology spread (ScheduleAnyway) + PDB (maxUnavailable:1)
- grafana: add topology spread + PDB via Helm values
- crowdsec LAPI: add topology spread + PDB via Helm values
- authentik server: add topology spread via Helm values
- authentik worker: add topology spread + PDB via Helm values
2026-03-08 18:17:46 +00:00

62 lines
1.3 KiB
HCL

resource "helm_release" "caretta" {
namespace = kubernetes_namespace.monitoring.metadata[0].name
create_namespace = true
name = "caretta"
repository = "https://helm.groundcover.com/"
chart = "caretta"
version = "0.0.16"
values = [yamlencode({
grafana = {
enabled = false
}
victoria-metrics-single = {
enabled = false
}
resources = {
requests = {
cpu = "10m"
memory = "300Mi"
}
limits = {
cpu = "200m"
memory = "512Mi"
}
}
})]
}
resource "kubernetes_service" "caretta_metrics" {
metadata {
name = "caretta-metrics"
namespace = kubernetes_namespace.monitoring.metadata[0].name
labels = {
app = "caretta"
}
}
spec {
selector = {
app = "caretta"
}
port {
name = "metrics"
port = 7117
target_port = 7117
protocol = "TCP"
}
}
}
resource "kubernetes_config_map" "caretta_grafana_dashboard" {
metadata {
name = "caretta-grafana-dashboard"
namespace = kubernetes_namespace.monitoring.metadata[0].name
labels = {
grafana_dashboard = "1"
}
}
data = {
"caretta-dashboard.json" = file("${path.module}/dashboards/caretta-dashboard.json")
}
}