infra/stacks/trading-bot/main.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

494 lines
14 KiB
HCL

variable "tls_secret_name" {
type = string
sensitive = true
}
variable "nfs_server" { type = string }
variable "postgresql_host" { type = string }
variable "redis_host" { type = string }
variable "ollama_host" { type = string }
variable "dbaas_postgresql_root_password" {
type = string
sensitive = true
}
variable "trading_bot_db_password" {
type = string
sensitive = true
}
variable "trading_bot_alpaca_api_key" {
type = string
sensitive = true
}
variable "trading_bot_alpaca_secret_key" {
type = string
sensitive = true
}
variable "trading_bot_jwt_secret" {
type = string
sensitive = true
}
variable "trading_bot_reddit_client_id" { type = string }
variable "trading_bot_reddit_client_secret" {
type = string
sensitive = true
}
variable "trading_bot_alpha_vantage_api_key" {
type = string
sensitive = true
}
variable "trading_bot_fmp_api_key" {
type = string
sensitive = true
}
locals {
common_env = {
TRADING_DATABASE_URL = "postgresql+asyncpg://trading:${var.trading_bot_db_password}@${var.postgresql_host}:5432/trading"
TRADING_REDIS_URL = "redis://${var.redis_host}:6379/4"
TRADING_LOG_LEVEL = "INFO"
TRADING_ALPACA_API_KEY = var.trading_bot_alpaca_api_key
TRADING_ALPACA_SECRET_KEY = var.trading_bot_alpaca_secret_key
TRADING_ALPACA_BASE_URL = "https://paper-api.alpaca.markets"
TRADING_PAPER_TRADING = "true"
TRADING_JWT_SECRET_KEY = var.trading_bot_jwt_secret
TRADING_REDDIT_CLIENT_ID = var.trading_bot_reddit_client_id
TRADING_REDDIT_CLIENT_SECRET = var.trading_bot_reddit_client_secret
TRADING_REDDIT_USER_AGENT = "trading-bot/0.1"
TRADING_OLLAMA_HOST = "http://${var.ollama_host}:11434"
TRADING_OLLAMA_MODEL = "gemma3"
TRADING_WATCHLIST = "[\"AAPL\",\"TSLA\",\"NVDA\",\"MSFT\",\"GOOGL\"]"
TRADING_BAR_TIMEFRAME = "5Min"
TRADING_POLL_INTERVAL_SECONDS = "60"
TRADING_HISTORICAL_BARS = "100"
TRADING_SNAPSHOT_INTERVAL_SECONDS = "60"
TRADING_ALPHA_VANTAGE_API_KEY = var.trading_bot_alpha_vantage_api_key
TRADING_FMP_API_KEY = var.trading_bot_fmp_api_key
TRADING_FUNDAMENTALS_CACHE_TTL_HOURS = "24"
TRADING_RP_ID = "trading.viktorbarzin.me"
TRADING_RP_NAME = "Trading Bot"
TRADING_RP_ORIGIN = "https://trading.viktorbarzin.me"
TRADING_CORS_ORIGINS = "[\"https://trading.viktorbarzin.me\"]"
}
}
resource "kubernetes_namespace" "trading-bot" {
metadata {
name = "trading-bot"
labels = {
tier = local.tiers.edge
}
}
}
module "tls_secret" {
source = "../../modules/kubernetes/setup_tls_secret"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
tls_secret_name = var.tls_secret_name
}
# Database init job - creates the trading database and user in PostgreSQL
resource "kubernetes_job" "db_init" {
metadata {
name = "trading-bot-db-init"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
}
spec {
template {
metadata {}
spec {
container {
name = "db-init"
image = "postgres:16-alpine"
command = [
"sh", "-c",
<<-EOT
set -e
# Create role if not exists
PGPASSWORD='${var.dbaas_postgresql_root_password}' psql -h ${var.postgresql_host} -U root -tc "SELECT 1 FROM pg_roles WHERE rolname='trading'" | grep -q 1 || \
PGPASSWORD='${var.dbaas_postgresql_root_password}' psql -h ${var.postgresql_host} -U root -c "CREATE ROLE trading WITH LOGIN PASSWORD '${var.trading_bot_db_password}'"
# Create database if not exists
PGPASSWORD='${var.dbaas_postgresql_root_password}' psql -h ${var.postgresql_host} -U root -tc "SELECT 1 FROM pg_database WHERE datname='trading'" | grep -q 1 || \
PGPASSWORD='${var.dbaas_postgresql_root_password}' psql -h ${var.postgresql_host} -U root -c "CREATE DATABASE trading OWNER trading"
# Grant privileges
PGPASSWORD='${var.dbaas_postgresql_root_password}' psql -h ${var.postgresql_host} -U root -c "GRANT ALL PRIVILEGES ON DATABASE trading TO trading"
# Try to enable timescaledb (allow failure)
PGPASSWORD='${var.dbaas_postgresql_root_password}' psql -h ${var.postgresql_host} -U root -d trading -c "CREATE EXTENSION IF NOT EXISTS timescaledb CASCADE" || true
echo "Database init complete"
EOT
]
}
restart_policy = "Never"
}
}
backoff_limit = 3
}
wait_for_completion = true
timeouts {
create = "2m"
}
}
# Migrations job - runs alembic migrations
resource "kubernetes_job" "migrations" {
metadata {
name = "trading-bot-migrations"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
}
spec {
template {
metadata {}
spec {
container {
name = "migrations"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "alembic", "upgrade", "head"]
env {
name = "TRADING_DATABASE_URL"
value = "postgresql+asyncpg://trading:${var.trading_bot_db_password}@${var.postgresql_host}:5432/trading"
}
env {
name = "TRADING_REDIS_URL"
value = "redis://${var.redis_host}:6379/4"
}
}
restart_policy = "Never"
}
}
backoff_limit = 3
}
wait_for_completion = true
timeouts {
create = "5m"
}
depends_on = [kubernetes_job.db_init]
}
# Frontend deployment - dashboard + api-gateway
resource "kubernetes_deployment" "trading-bot-frontend" {
metadata {
name = "trading-bot-frontend"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
labels = {
app = "trading-bot-frontend"
tier = local.tiers.edge
}
}
spec {
replicas = 1
strategy {
type = "RollingUpdate"
rolling_update {
max_unavailable = 0
max_surge = 1
}
}
selector {
match_labels = {
app = "trading-bot-frontend"
}
}
template {
metadata {
labels = {
app = "trading-bot-frontend"
}
}
spec {
container {
name = "dashboard"
image = "viktorbarzin/trading-bot-dashboard:latest"
image_pull_policy = "Always"
port {
container_port = 80
protocol = "TCP"
}
resources {
requests = {
cpu = "10m"
memory = "32Mi"
}
limits = {
cpu = "200m"
memory = "128Mi"
}
}
}
container {
name = "api-gateway"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.api_gateway.main"]
port {
container_port = 8000
protocol = "TCP"
}
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
resources {
requests = {
cpu = "50m"
memory = "128Mi"
}
limits = {
cpu = "1000m"
memory = "512Mi"
}
}
}
}
}
}
lifecycle {
ignore_changes = [
spec[0].template[0].spec[0].container[0].image,
spec[0].template[0].spec[0].container[1].image,
]
}
depends_on = [kubernetes_job.migrations]
}
# Workers deployment - all background microservices
resource "kubernetes_deployment" "trading-bot-workers" {
metadata {
name = "trading-bot-workers"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
labels = {
app = "trading-bot-workers"
tier = local.tiers.edge
}
}
spec {
replicas = 1
strategy {
type = "Recreate"
}
selector {
match_labels = {
app = "trading-bot-workers"
}
}
template {
metadata {
labels = {
app = "trading-bot-workers"
}
}
spec {
container {
name = "news-fetcher"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.news_fetcher.main"]
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
env {
name = "TRADING_OTEL_METRICS_PORT"
value = "9091"
}
resources {
requests = {
cpu = "10m"
memory = "64Mi"
}
limits = {
cpu = "500m"
memory = "256Mi"
}
}
}
container {
name = "sentiment-analyzer"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.sentiment_analyzer.main"]
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
env {
name = "TRADING_OTEL_METRICS_PORT"
value = "9092"
}
resources {
requests = {
cpu = "100m"
memory = "512Mi"
}
limits = {
cpu = "2000m"
memory = "2Gi"
}
}
}
container {
name = "signal-generator"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.signal_generator.main"]
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
env {
name = "TRADING_OTEL_METRICS_PORT"
value = "9093"
}
resources {
requests = {
cpu = "10m"
memory = "64Mi"
}
limits = {
cpu = "500m"
memory = "256Mi"
}
}
}
container {
name = "trade-executor"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.trade_executor.main"]
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
env {
name = "TRADING_OTEL_METRICS_PORT"
value = "9094"
}
resources {
requests = {
cpu = "10m"
memory = "64Mi"
}
limits = {
cpu = "500m"
memory = "256Mi"
}
}
}
container {
name = "learning-engine"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.learning_engine.main"]
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
env {
name = "TRADING_OTEL_METRICS_PORT"
value = "9095"
}
resources {
requests = {
cpu = "10m"
memory = "64Mi"
}
limits = {
cpu = "500m"
memory = "256Mi"
}
}
}
container {
name = "market-data"
image = "viktorbarzin/trading-bot-service:latest"
image_pull_policy = "Always"
command = ["python", "-m", "services.market_data.main"]
dynamic "env" {
for_each = local.common_env
content {
name = env.key
value = env.value
}
}
env {
name = "TRADING_OTEL_METRICS_PORT"
value = "9096"
}
resources {
requests = {
cpu = "10m"
memory = "64Mi"
}
limits = {
cpu = "500m"
memory = "256Mi"
}
}
}
}
}
}
lifecycle {
ignore_changes = [
spec[0].template[0].spec[0].container[0].image,
spec[0].template[0].spec[0].container[1].image,
spec[0].template[0].spec[0].container[2].image,
spec[0].template[0].spec[0].container[3].image,
spec[0].template[0].spec[0].container[4].image,
spec[0].template[0].spec[0].container[5].image,
]
}
depends_on = [kubernetes_job.migrations]
}
resource "kubernetes_service" "trading-bot-frontend" {
metadata {
name = "trading-bot-frontend"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
labels = {
app = "trading-bot-frontend"
}
}
spec {
selector = {
app = "trading-bot-frontend"
}
port {
port = 80
target_port = 80
}
}
}
module "ingress" {
source = "../../modules/kubernetes/ingress_factory"
namespace = kubernetes_namespace.trading-bot.metadata[0].name
name = "trading"
service_name = "trading-bot-frontend"
tls_secret_name = var.tls_secret_name
protected = true
extra_annotations = {
"gethomepage.dev/enabled" = "true"
"gethomepage.dev/name" = "Trading Bot"
"gethomepage.dev/description" = "Automated trading"
"gethomepage.dev/icon" = "mdi-chart-line"
"gethomepage.dev/group" = "Finance & Personal"
"gethomepage.dev/pod-selector" = ""
}
}