infra/stacks/meshcentral/main.tf
Viktor Barzin f7c2c06009 right-size memory: set requests=limits based on actual usage
- Set memory requests = limits across 56 stacks to prevent overcommit
- Right-sized limits based on actual pod usage (2x actual, rounded up)
- Scaled down trading-bot (replicas=0) to free memory
- Fixed OOMKilled services: forgejo, dawarich, health, meshcentral,
  paperless-ngx, vault auto-unseal, rybbit, whisper, openclaw, clickhouse
- Added startup+liveness probes to calibre-web
- Bumped inotify limits on nodes 2,3 (max_user_instances 128->8192)

Post node2 OOM incident (2026-03-14). Previous kubelet config had no
kubeReserved/systemReserved set, allowing pods to starve the kernel.
2026-03-14 21:01:24 +00:00

193 lines
4.7 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
variable "nfs_server" { type = string }
resource "kubernetes_namespace" "meshcentral" {
metadata {
name = "meshcentral"
labels = {
"istio-injection" : "disabled"
tier = local.tiers.aux
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
tls_secret_name = var.tls_secret_name
}
module "nfs_data" {
source = "../../modules/kubernetes/nfs_volume"
name = "meshcentral-data"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
nfs_server = var.nfs_server
nfs_path = "/mnt/main/meshcentral/meshcentral-data"
}
module "nfs_files" {
source = "../../modules/kubernetes/nfs_volume"
name = "meshcentral-files"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
nfs_server = var.nfs_server
nfs_path = "/mnt/main/meshcentral/meshcentral-files"
}
module "nfs_backups" {
source = "../../modules/kubernetes/nfs_volume"
name = "meshcentral-backups"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
nfs_server = var.nfs_server
nfs_path = "/mnt/main/meshcentral/meshcentral-backups"
}
resource "kubernetes_deployment" "meshcentral" {
metadata {
name = "meshcentral"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
labels = {
app = "meshcentral"
tier = local.tiers.aux
}
annotations = {
"reloader.stakater.com/search" = "true"
"meshcentral.enable" = "true"
}
}
spec {
replicas = 1
strategy {
type = "Recreate"
}
selector {
match_labels = {
app = "meshcentral"
}
}
template {
metadata {
labels = {
app = "meshcentral"
}
annotations = {
"diun.enable" = "true"
"diun.include_tags" = "^\\d+(?:\\.\\d+)?(?:\\.\\d+)?$,latest"
}
}
spec {
container {
image = "typhonragewind/meshcentral:latest"
name = "meshcentral"
port {
name = "http"
container_port = 443
}
env {
name = "TZ"
value = "Europe/Sofia"
}
env {
name = "HOSTNAME"
value = "meshcentral.viktorbarzin.me"
}
env {
name = "REVERSE_PROXY"
value = "true"
}
env {
name = "ALLOW_NEW_ACCOUNTS"
value = "false"
}
env {
name = "WEBRTC"
value = "false"
}
volume_mount {
name = "data"
mount_path = "/opt/meshcentral/meshcentral-data"
}
volume_mount {
name = "files"
mount_path = "/opt/meshcentral/meshcentral-files"
}
resources {
requests = {
cpu = "15m"
memory = "256Mi"
}
limits = {
memory = "256Mi"
}
}
volume_mount {
name = "backups"
mount_path = "/opt/meshcentral/meshcentral-backups"
}
}
volume {
name = "data"
persistent_volume_claim {
claim_name = module.nfs_data.claim_name
}
}
volume {
name = "files"
persistent_volume_claim {
claim_name = module.nfs_files.claim_name
}
}
volume {
name = "backups"
persistent_volume_claim {
claim_name = module.nfs_backups.claim_name
}
}
}
}
}
}
resource "kubernetes_service" "meshcentral" {
metadata {
name = "meshcentral"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
labels = {
"app" = "meshcentral"
}
}
spec {
selector = {
app = "meshcentral"
}
port {
name = "http"
port = 443
protocol = "TCP"
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.meshcentral.metadata[0].name
name = "meshcentral"
tls_secret_name = var.tls_secret_name
port = 443
protected = true
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "MeshCentral"
"gethomepage.dev/description" = "Remote management"
"gethomepage.dev/icon" = "meshcentral.png"
"gethomepage.dev/group" = "Infrastructure"
"gethomepage.dev/pod-selector" = ""
}
}