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8 commits

Author SHA1 Message Date
Viktor Barzin
fcb7d6780e [ci skip] fix nextcloud: increase memory to 4Gi, extend startup probe 
- Memory limit: 2Gi → 4Gi (VPA target is 2.8Gi, was OOMKilling)
- Memory request: 512Mi → 1Gi
- Startup probe: 30s delay, 10s timeout, 60 failures (10min total)
  Previous 5min window was too short for NFS-backed SQLite init
 2026-02-28 23:32:28 +00:00
Viktor Barzin
379c7e261f [ci skip] fix nextcloud OOMKilled: increase memory limit to 2Gi 2026-02-28 20:21:00 +00:00
Viktor Barzin
a1ba218cd2 [ci skip] Phase 1: PostgreSQL migrated to CNPG on local disk 
Major milestone - shared PostgreSQL moved from NFS to CloudNativePG:
- CNPG cluster (pg-cluster) running in dbaas namespace on local-path storage
- PostGIS image (ghcr.io/cloudnative-pg/postgis:16) for dawarich compatibility
- All 20 databases and 19 roles restored from pg_dumpall backup
- postgresql.dbaas Service patched to point at CNPG primary
- Old PG deployment scaled to 0 (NFS data intact for rollback)
- All 12+ dependent services verified running:
  authentik, n8n, dawarich, tandoor, linkwarden, netbox, woodpecker,
  rybbit, affine, health, resume, trading-bot, atuin
- Authentik PgBouncer working through the switched endpoint

TODO: codify CNPG cluster in Terraform, add 2nd replica, update backup CronJob
 2026-02-28 19:08:06 +00:00
Viktor Barzin
c6beefc845 [ci skip] nextcloud: increase resource limits to prevent OOM crash loop 
Default LimitRange (256Mi) was too low — pod was using 227Mi/256Mi and
getting OOM killed under sync client load, causing 500s and blank web UI.
 2026-02-28 16:26:19 +00:00
Viktor Barzin
89a6e08245 [ci skip] Infrastructure hardening: security, monitoring, reliability, maintainability 
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
 2026-02-23 22:05:28 +00:00
Viktor Barzin
c7c7047f1c [ci skip] Flatten module wrappers into stack roots 
Remove the module "xxx" { source = "./module" } indirection layer
from all 66 service stacks. Resources are now defined directly in
each stack's main.tf instead of through a wrapper module.

- Merge module/main.tf contents into stack main.tf
- Apply variable replacements (var.tier -> local.tiers.X, renamed vars)
- Fix shared module paths (one fewer ../ at each level)
- Move extra files/dirs (factory/, chart_values, subdirs) to stack root
- Update state files to strip module.<name>. prefix
- Update CLAUDE.md to reflect flat structure

Verified: terragrunt plan shows 0 add, 0 destroy across all stacks.
 2026-02-22 15:13:55 +00:00
Viktor Barzin
e6420c7b36 [ci skip] Move Terraform modules into stack directories 
Move all 88 service modules (66 individual + 22 platform) from
modules/kubernetes/<service>/ into their corresponding stack directories:

- Service stacks: stacks/<service>/module/
- Platform stack: stacks/platform/modules/<service>/

This collocates module source code with its Terragrunt definition.
Only shared utility modules remain in modules/kubernetes/:
ingress_factory, setup_tls_secret, dockerhub_secret, oauth-proxy.

All cross-references to shared modules updated to use correct
relative paths. Verified with terragrunt run --all -- plan:
0 adds, 0 destroys across all 68 stacks.
 2026-02-22 14:38:14 +00:00
Viktor Barzin
a9ba8899be [ci skip] Phase 3: Create 66 service stacks and migrate state 
Generated individual stack directories for all 66 services under stacks/.
Each stack has terragrunt.hcl (depends on platform) and main.tf (thin
wrapper calling existing module). Migrated all 64 active service states
from root terraform.tfstate to individual state files. Root state is now
empty. Verified with terragrunt plan on multiple stacks (no changes).
 2026-02-22 13:56:34 +00:00