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nixfiles/docs/sites/home/sfh/containers/hass.md
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jackos1998 d51f2d62b6 docs: Document the deployment
Add a top-level README mapping the boxes and a full docs/ tree: topic
pages (architecture, networking, deployment), per-site box pages for
colony and home with containers nested under their hosts, remote and
mobile boxes, the installer, and the home switch fabric reference
(folded in from home-switches.md, with AGENTS.md and code comments
retargeted to its new home). Box pages carry marked assignment tables
that CI regenerates from nixos.allAssignments.

AGENTS.md points at the new docs and keeps its terse agent version of
the mechanics, referring to the topic pages for depth.
2026-07-26 19:16:43 +01:00

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Markdown

# hass
Home automation container: Home Assistant plus its supporting services (MQTT, camera restreaming,
Frigate NVR), running on [`sfh`](../../sfh.md).
- **Source:** [`nixos/boxes/home/palace/vms/sfh/containers/hass.nix`](../../../../../nixos/boxes/home/palace/vms/sfh/containers/hass.nix)
- **Host:** NixOS container on `sfh`
## Role
- **Home Assistant** (`services.home-assistant`) — declarative config (`configWritable = false`),
components `esphome`, `zha`, `denonavr`, `webostv`, `androidtv_remote`, `heos`, `mqtt`, `wled`,
`met`, `google_translate`; custom components `alarmo`, `frigate`, `west_wood_club`; a custom
Irish Rail sensor (Glenageary ↔ Dublin Connolly). A `hass-cli` wrapper is on the box, wired to
the local server with a token from `my.secrets`.
- **mosquitto** — MQTT broker (anonymous local listener; port 1883 allowed, alongside HTTP).
- **go2rtc** — restreams the Reolink living-room camera (RTSP from `reolink-living-room`, on the
`lo` leg) and the office USB webcam (`/dev/video0` via ffmpeg).
- **Frigate** (`services.frigate`, `frigate.h.nul.ie` — the `frigate` alt name on the `hi`
assignment) — records both restreamed cameras with 1-day retention; detection is disabled.
- External access is via `https://hass.nul.ie` through the `middleman` reverse proxy
(`trusted_proxies`); internally it's `hass-ctr.h.nul.ie`.
- Not a deploy-rs target (`my.deploy.enable = false`) — it's rendered via `my.asContainer` and
started by `sfh`'s `my.containers.instances`.
## Network assignments
<!-- assignments: hass -->
<!-- assignments-start -->
| Name | Assignment | IPv4 | IPv6 | Domain | Notes |
|---|---|---|---|---|---|
| hass-ctr (frigate) | hi | `192.168.68.103/22 gw 192.168.71.254` | `2a0e:97c0:4d0:1::5:3/64` | h.nul.ie | |
| hass-ctr-lo | lo | `192.168.72.103/21` | `2a0e:97c0:4d0:2::5:3/64` | h.nul.ie | |
<!-- assignments-end -->
## Storage
Frigate footage lives on a **separate HDD LV**: `palace` passes the `hdds/frigate` LVM LV to the
`sfh` VM, sfh mounts it at `/mnt/frigate`, and the container bind-mounts it at `/var/lib/frigate`
(read-write). This keeps recording churn off the NVMe-oF root.
## Devices
Passed through from `sfh` (USB host ports on `palace`):
- Nabu Casa Connect ZBT-1 Zigbee coordinator → `/dev/ttyUSB0` (used by `zha`).
- USB webcam → `/dev/video0` (go2rtc's `webcam_office` stream).
- `/dev/bus/usb/001/002` (raw USB device node).
## Networking
MACVLAN legs created from `sfh`'s container NICs: `host0` on `lan-hi-ctrs` (the `hi` assignment,
alt name `frigate`, default gateway via the VIP) and `lan-lo` on `lan-lo-ctrs` (the `lo`
assignment, no gateway) — the `lo` leg reaches the IoT devices (the Reolink camera lives there).
## Notable config files
- [`nixos/boxes/home/palace/vms/sfh/containers/hass.nix`](../../../../../nixos/boxes/home/palace/vms/sfh/containers/hass.nix) —
container system: Home Assistant, Frigate, mosquitto, go2rtc.
- [`nixos/boxes/home/palace/vms/sfh/default.nix`](../../../../../nixos/boxes/home/palace/vms/sfh/default.nix) —
the `sfh` side: bind mounts, MACVLAN wiring, `DeviceAllow`.