jackos1998
d51f2d62b6
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.
64 lines
3.1 KiB
Markdown
64 lines
3.1 KiB
Markdown
# sfh
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"Services for home" — the NixOS container host for the home site. A VM on `palace` that netboots
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from `river` and runs its root off NVMe-oF from `cellar`.
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- **Source:** [`nixos/boxes/home/palace/vms/sfh/`](../../../nixos/boxes/home/palace/vms/sfh)
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(`default.nix`, `containers/`)
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- **Host:** VM on `palace`
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## Role
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- Runs the home NixOS containers via `my.containers.instances` (systemd-nspawn); each container is
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its own `nixos.systems.*` entry rendered through `my.asContainer`.
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- **Netboot client** (`my.netboot.client.enable`): the VM has no boot disk — its `netboot` NIC
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(MAC `52:54:00:a5:7e:93`, on palace's `lan-lo` bridge, `bootindex=1`) is matched by a kea
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client-class on [`river`](river.md) and iPXE-boots from `boot.h.nul.ie`.
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- **Root on NVMe-oF**: `my.nvme.boot` connects to `nqn.2016-06.io.spdk:sfh` at `192.168.68.80`
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([`cellar`](cellar.md), RDMA) from the initrd (`lan-hi` up + `roceBootModules`); `/nix` and
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`/persist` are LVs on that volume. `KeepConfiguration=static` on `lan-hi` protects the
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NVMe-oF address from networkd reconfigures.
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- **Frigate footage disk**: palace passes the `hdds/frigate` LVM LV through as a virtio disk;
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sfh mounts it at `/mnt/frigate` (by label) and bind-mounts it into the `hass` container at
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`/var/lib/frigate`.
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- USB: two host ports are passed to the VM (qemu flags) for the Zigbee coordinator and webcam used
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by `hass`; the nspawn unit gets `DeviceAllow` for `char-ttyUSB` and `char-video4linux`.
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## Network assignments
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<!-- assignments: sfh -->
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<!-- assignments-start -->
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| Name | Assignment | IPv4 | IPv6 | Domain | Notes |
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|---|---|---|---|---|---|
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| sfh | hi | `192.168.68.81/22 gw 192.168.71.254` | `2a0e:97c0:4d0:1::4:2/64` | h.nul.ie | |
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<!-- assignments-end -->
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## Networking
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Four NICs, all MTU 9000 where jumbo-capable:
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- `lan-hi` — SR-IOV VF 2, the box's own `hi` assignment (`192.168.68.81`).
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- `lan-hi-ctrs` — SR-IOV VF 3, no L3: the MACVLAN parent for the containers' `hi` legs
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(`host0` inside each container).
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- `lan-core-ctrs` / `lan-lo-ctrs` — virtio NICs (bridged to palace's `lan-core` / `lan-lo`), no
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L3: MACVLAN parents for containers that need a `core` or `lo` leg.
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The per-container MACVLAN wiring lives in `systemd.nspawn.*.networkConfig` in
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[`sfh/default.nix`](../../../nixos/boxes/home/palace/vms/sfh/default.nix).
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## Containers
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| Container | Role | Page |
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|---|---|---|
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| `hass` | Home Assistant + Frigate + MQTT | [sfh/containers/hass.md](sfh/containers/hass.md) |
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| `unifi` | UniFi controller | [sfh/containers/unifi.md](sfh/containers/unifi.md) |
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## Notable config files
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- [`nixos/boxes/home/palace/vms/sfh/default.nix`](../../../nixos/boxes/home/palace/vms/sfh/default.nix) —
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box config: netboot/NVMe-oF boot, container instances, MACVLAN plumbing, Frigate disk.
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- [`nixos/boxes/home/palace/vms/sfh/containers/`](../../../nixos/boxes/home/palace/vms/sfh/containers) —
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the container system definitions.
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- [`nixos/boxes/home/palace/vms/default.nix`](../../../nixos/boxes/home/palace/vms/default.nix) —
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the VM definition on `palace` (VFs, USB passthrough, netboot NIC, `hdds/frigate` disk).
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