vh dec4ba45db docs: scope the NAT refutation to WireGuard; IPsec to colo is broken
Correcting an over-generalisation from earlier today. Proving that NAT
does not break Site Magic, I wrote it up as "no addressing outcome
threatens the inter-site tunnel." That is wrong: the fleet has two
inter-site links with opposite NAT behaviour.

- NH3<->ESH is Site Magic, i.e. WireGuard. It survives arbitrary NAT,
  proven live on RFC1918 double-NAT (192.168.200.111) with nh3-dev and
  nh3-docker reachable at ~40ms. It dials out to NH3's public edge and
  never needs inbound reachability.

- colo<->ESH is IPsec on the ana-gw FortiGate, and it is broken right
  now under those same conditions. ana-docker, pfi-pve and pbs-ana all
  fail from esh-pve-nas, and traceroute shows packets for 10.250.x
  leaving the UDM to the 5G modem and then wandering the carrier network
  before dying -- not encapsulated at all, so no SA is up and the
  traffic falls through to the default route. Site-to-site IPsec pins a
  peer IP and ESH no longer has a routable one.

So the IPv6 work keeps its justification, but on the IPsec link
specifically rather than on the tunnels generally. Operator caught the
over-generalisation.

Adds lesson 8 -- a result proven for one protocol does not transfer to
another -- and corrects the superseded-claims row rather than replacing
it, since the original claim was half right and the halves are the
point. Also records my own over-broad claim as its own superseded row.
2026-08-18 07:47:10 -07:00

eshpfi-management

Infrastructure management workspace for the PFI fleet (plus the ESH home-lab host). Tracks server state, canonical Docker Compose stacks, per-host configs, and the tooling that moves them around.

See CLAUDE.md for the full set of conventions and the rules Claude Code sessions follow when working here.

The fleet

Docker hosts:

Host IP Site Role
ana-ml2 10.250.50.54 Anaheim (10.250.0.0/16) GPU / AI inference (bare metal)
ana-docker 10.250.50.70 Anaheim General-purpose Docker + cross-site hubs (VM on pfi-pve)
nh3-docker 10.100.50.40 NH3 (10.100.0.0/16) General-purpose Docker (VM on nh3-pve)
esh-docker-vm 10.0.50.45 ESH home lab (esteban.net) Home-lab Docker (VM on esh-pve, non-PFI scope)
vm-esh-nas 10.0.50.154 ESH home lab NAS-adjacent Docker, NFS-mounted shares (VM on esh-pve-nas, non-PFI scope)

Proxmox hypervisors (tracked for inventory; not Docker targets):

Host IP Site Role
pfi-pve 10.250.250.31 Anaheim Proxmox VE (188 GB / Xeon Silver 4310)
nh3-pve 10.100.250.60 NH3 Proxmox VE (62 GB / i9-13900H)
esh-pve 10.0.250.35 ESH home lab Proxmox VE (62 GB / i9-13900H)
esh-pve-nas 10.0.50.55 ESH home lab Proxmox VE, storage-dedicated (125 GB / Xeon W-1250)

Per-host snapshots of the running system live under servers/<host>/system-details.txt, refreshed via scripts/refresh-server-info.sh.

Layout

.
├── CLAUDE.md                     # conventions; loaded by Claude Code sessions
├── README.md                     # this file
├── scripts/                      # workstation tooling
│   ├── server_inspect.sh         # read-only diagnostic, runs on remote via stdin
│   ├── proxmox_inspect.sh        # Proxmox-aware probe (VMs, LXCs, storage, backup coverage)
│   ├── refresh-server-info.sh    # pull fresh system-details.txt for one/all hosts
│   ├── refresh-proxmox-info.sh   # pull fresh proxmox-details.txt for one/all PVE nodes
│   ├── add-host.sh               # register a new server (writes servers/<name>/ssh-target)
│   ├── sync-stacks.sh            # pull /opt/docker/{compose,conf}/ → stacks-mirror/
│   ├── deploy-stack.sh           # push stacks-mirror/<host>/<stack>/ with diff + prompt
│   ├── discover-fortigate.sh     # DHCP lease list from a FortiGate via SSH
│   ├── discover-unifi.sh         # client list from a UniFi Controller via REST
│   └── discover-gaps.sh          # find IPs in discovery TSVs not tracked in servers/
├── servers/                      # per-host notes + latest snapshot + ssh-target fallback
│   └── <host>/
│       ├── README.md
│       ├── system-details.txt    # regenerate on demand
│       └── ssh-target            # <ip> or <user>@<ip>, used when DNS fails
├── stacks/                       # canonical compose files (source of truth)
│   └── <stack>/
│       ├── compose.yaml
│       ├── .env.example
│       └── README.md
├── stacks-mirror/                # gitignored — live mirror from sync-stacks.sh
├── configs/                      # host-level config files that aren't docker-compose
│   ├── homepage/                 # canonical config for the fleet dashboard (on esh-docker-vm)
│   └── restic/<host>/            # resticprofile configs + pre-backup hooks
└── docs/                         # general reference (network, models, proxmox, etc.)
    └── pfi/

Current stacks

GPU (ana-ml2):

  • llama-swap — GGUF model swapper via llama.cpp (port 9292)
  • vllm — embeddings (8001) + reranker (8002) + Skywork reward classifier (8003) via vLLM

Anaheim non-GPU (ana-docker):

  • traefik, crowdsec, gitea, vaultwarden, synapse, seafile, searxng, openwebui, sillytavern, mailrise, rustdesk, dockge, it-tools
  • (mattermost retired 2026-04-21 — compose dir may still linger, containers gone)
  • Notes / feeds: miniflux (RSS, 8080), nevermore (twice-daily LLM-curated brief, 8181, multi-tenant — extracted to its own repo at vh/nevermore), memos (note server, 5230)
  • Assistant tooling: task-board (MCP + dashboard for assistant task state, 7878)
  • Fleet services: beszel (metrics hub, port 8090), dozzle-hub (log viewer, 8088), backrest (restic UI, 9898)
  • Backup target: rest-server-ana on port 8000

GPU ana-ml2 (non-canonical for now):

  • comfyui, kokoro, parakeet, vibevoice alongside the canonical llama-swap + vllm

NH3 (nh3-docker):

  • adguard, dockge, plus Beszel/Dozzle agents

NH3 (Synology 10.100.50.50):

  • rest-server-nh3 — restic backup target (port 8000)

ESH home lab (esh-docker-vm):

  • adguard, homeassistant (macvlan), esphome, mosquitto, paperless-ngx, pgadmin, calibre-web-automated, drawio, traefik, homepage, uptime-kuma, plus Beszel/Dozzle agents

ESH home lab (vm-esh-nas):

  • filezilla (web UI on port 5800), dockge, plus Beszel/Dozzle agents. Mounts /mnt/{share,music,books,media} from the Debian NAS at 10.0.50.50.

Common tasks

Refresh one host's snapshot:

scripts/refresh-server-info.sh ana-docker

Refresh all hosts:

scripts/refresh-server-info.sh all

Refresh all Proxmox nodes (separate flow — captures VM/LXC/backup-coverage):

scripts/refresh-proxmox-info.sh all

Add a new host:

scripts/add-host.sh <name> <ip-or-user@ip>
scripts/refresh-server-info.sh <name>

Validate discovery (without hitting the network):

scripts/refresh-server-info.sh --validate-only all

Push a stack to a host (with diff + confirm):

scripts/deploy-stack.sh <host> <stack>

Pull every server's compose/conf trees into stacks-mirror/ (not committed — see .gitignore):

scripts/sync-stacks.sh all

Bootstrap a new fleet repo from this one:

scripts/fork-fleet.sh ~/development/<other-fleet>-management
# optional: override the fleet-name baked into the skeleton CLAUDE.md / README
scripts/fork-fleet.sh ~/development/<dest> <fleet-name>

Mirrors the reusable tooling (everything under scripts/, the generic playbook templates, .gitignore, conventions section of CLAUDE.md) into the destination dir, strips fleet-specific content (servers/, stacks/, configs/, fleet-named playbooks (deploy-*, decouple-*), docs/orientation.md, docs/runbooks/, docs/pfi/, STATUS.md, host-pinned helper scripts), regenerates skeleton CLAUDE.md / README.md / STATUS.md with the new fleet name, and initializes a fresh git history with one "Initial commit".

The script does not create a gitea remote or push — namespace + repo name are an explicit manual step. The "next steps" output prints the exact tea repo create + git remote add + git push commands to wire it up when ready.

Backup pipeline

Backups are driven by per-host resticprofile configs under configs/restic/<host>/, scheduled via systemd timers on each host:

  • Writes: each host backs up to its site-local rest-server (rest-server-ana or rest-server-nh3), over HTTP basic-auth.
  • Authentication: shared .htpasswd file on both rest-servers, one entry per host; credentials stored in /etc/restic/restic.env on each client host.
  • Encryption: per-host client-side passphrase in /etc/restic/password (unique per repo; losing it = losing that host's backups).
  • Visibility: Backrest (http://10.250.50.70:9898) shows every repo for browsing/restore.
  • Schedule: backup at 01:00 daily, forget at 03:00 daily, weekly check --read-data-subset 10% on Sundays.
  • Prune: manual ceremony (rest-server runs with --append-only, which blocks destructive prune ops).
  • Off-site: cross-site rsync between the two rest-server data dirs is planned (not yet implemented).

Coverage status (as of 2026-04-29)

Goal: every Docker host + configs + every database covered, not just VM images.

Layer State
VM-level (Proxmox vzdump) All running guests covered across pfi-pve / nh3-pve / esh-pve-nas; esh-pve has VMID 108 uncovered
ana-docker restic (host files + DBs) configs/restic/ana-docker/ with pre-backup hooks for synapse / seafile / vaultwarden-pg / gitea (native dump) / openwebui
ana-ml2 restic configs/restic/ana-ml2/ — bare-metal host files (no DB hooks needed)
nh3-docker restic Light — no DB hooks needed
esh-docker-vm restic With DB hooks for paperless-postgres (external), home-assistant + pgadmin + uptime-kuma (host-side sqlite3), calibre-web-automated (in-container sqlite3)
vm-esh-nas restic Light — NFS mounts explicitly excluded
nh3-dev (workstation) restic /home/lkraven + /etc with language-toolchain and build-output excludes
irv-ml1 restic Cross-site to rest-server-nh3 via WireGuard
esh-vm-db restic With pg_dumpall + mongodump pre-backup hooks
Cross-site redundancy ana-nas → nh3-nas rsync at 04:00 daily; nh3-nas → ana-nas at 05:00 daily (configs/rsync/)
Prune ceremony Quarterly manual ritual documented in docs/runbooks/nh3-prune-ritual.md (DSM-mediated --append-only toggle)
offen/docker-volume-backup sidecars on esh-docker-vm Remove once restic proves itself (~1 week of clean runs)

Authoritative vs. mirror

  • Authoritative: files on each server under /opt/docker/compose/<stack>/ and /opt/docker/conf/<stack>/.
  • This workspace: source-of-truth copies under stacks/<name>/ (hand-curated), and a gitignored mirror under stacks-mirror/ pulled by sync-stacks.sh.

Edit in stacks/, push with deploy-stack.sh. Never commit stacks-mirror/ — it can contain embedded plaintext secrets from upstream compose files that haven't been audited yet.

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