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[ci skip] Infrastructure hardening: security, monitoring, reliability, maintainability

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Phase 1 - Critical Security:
- Netbox: move hardcoded DB/superuser passwords to variables
- MeshCentral: disable public registration, add Authentik auth
- Traefik: disable insecure API dashboard (api.insecure=false)
- Traefik: configure forwarded headers with Cloudflare trusted IPs

Phase 2 - Security Hardening:
- Add security headers middleware (HSTS, X-Frame-Options, nosniff, etc.)
- Add Kyverno pod security policies in audit mode (privileged, host
  namespaces, SYS_ADMIN, trusted registries)
- Tighten rate limiting (avg=10, burst=50)
- Add Authentik protection to grampsweb

Phase 3 - Monitoring & Alerting:
- Add critical service alerts (PostgreSQL, MySQL, Redis, Headscale,
  Authentik, Loki)
- Increase Loki retention from 7 to 30 days (720h)
- Add predictive PV filling alert (predict_linear)
- Re-enable Hackmd and Privatebin down alerts

Phase 4 - Reliability:
- Add resource requests/limits to Redis, DBaaS, Technitium, Headscale,
  Vaultwarden, Uptime Kuma
- Increase Alloy DaemonSet memory to 512Mi/1Gi

Phase 6 - Maintainability:
- Extract duplicated tiers locals to terragrunt.hcl generate block
  (removed from 67 stacks)
- Replace hardcoded NFS IP 10.0.10.15 with var.nfs_server (114
  instances across 63 files)
- Replace hardcoded Redis/PostgreSQL/MySQL/Ollama/mail host references
  with variables across ~35 stacks
- Migrate xray raw ingress resources to ingress_factory modules
This commit is contained in:
Viktor Barzin 2026-02-23 22:05:28 +00:00
parent 48083bb1fd
commit 2d919c4d34
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GPG key ID: 0EB088298288D958
105 changed files with 773 additions and 920 deletions
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9
stacks/platform/modules/traefik/main.tf
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@ -80,7 +80,7 @@ resource "helm_release" "traefik" {
# Enable dashboard API (accessible on port 8080 internally)
api = {
insecure = true
insecure = false
}
# Entrypoints
@ -174,7 +174,6 @@ resource "helm_release" "traefik" {
}
additionalArguments = [
"--api.insecure=true",
"--global.checknewversion=false",
"--global.sendanonymoususage=false",
# Skip TLS verification for self-signed backend certs (proxmox, idrac, etc.)
@ -184,8 +183,10 @@ resource "helm_release" "traefik" {
"--serversTransport.forwardingTimeouts.responseHeaderTimeout=0s",
"--serversTransport.forwardingTimeouts.idleConnTimeout=90s",
# Use forwarded headers from trusted proxies
"--entryPoints.websecure.forwardedHeaders.insecure=true",
"--entryPoints.web.forwardedHeaders.insecure=true",
"--entryPoints.websecure.forwardedHeaders.insecure=false",
"--entryPoints.web.forwardedHeaders.insecure=false",
"--entryPoints.websecure.forwardedHeaders.trustedIPs=173.245.48.0/20,103.21.244.0/22,103.22.200.0/22,103.31.4.0/22,141.101.64.0/18,108.162.192.0/18,190.93.240.0/20,188.114.96.0/20,197.234.240.0/22,198.41.128.0/17,162.158.0.0/15,104.16.0.0/13,104.24.0.0/14,172.64.0.0/13,131.0.72.0/22,10.0.0.0/8,192.168.0.0/16",
"--entryPoints.web.forwardedHeaders.trustedIPs=173.245.48.0/20,103.21.244.0/22,103.22.200.0/22,103.31.4.0/22,141.101.64.0/18,108.162.192.0/18,190.93.240.0/20,188.114.96.0/20,197.234.240.0/22,198.41.128.0/17,162.158.0.0/15,104.16.0.0/13,104.24.0.0/14,172.64.0.0/13,131.0.72.0/22,10.0.0.0/8,192.168.0.0/16",
]
resources = {