dotfiles/CLAUDE.md
DannyDannyDanny 9921a7f9f1 feat(nix): zerotier overlay via clan inventory + mac ZT client 🕸️
Stage 4b of the clan migration. Declares a clan.inventory.instances.zerotier
instance with sunken-ship as controller and phantom-ship as peer (controller
is also listed as a peer so it joins its own network). Generates the network
ID, controller identity, and per-peer identities via `clan vars generate`;
all secrets are SOPS-encrypted to the user's age key and the per-machine
age keys.

- nixos/sops/ — clan-managed SOPS state (user + per-machine age keys).
- nixos/vars/ — shared + per-machine zerotier vars; *-identity-secret
  files are SOPS-encrypted, *.value files are plain public data.
- clan.core.networking.{targetHost,buildHost} = "danny@<host>" on both
  servers so `clan machines update` knows where to push and build.
- mac gets `zerotier-one` installed as a homebrew cask; authorization
  on the controller happens manually by node-ID in a follow-up step.

Known rough edges (to chase in later stages):
- zerotier-inventory-autoaccept.service races zerotierone.service on
  first activation (connection refused against the local API). Retrying
  the unit succeeds; clan upstream bug.
- Deployment must go through `clan machines update`, not plain
  nixos-rebuild, or the per-host SOPS age key isn't uploaded and
  zerotier-one can't decrypt its identity.
2026-04-19 14:43:29 +02:00

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# CLAUDE.md
## Build commands
```bash
# macOS (from ~/dotfiles/nixos)
darwin-rebuild switch --flake .
# NixOS servers (SSH from mac, or on server)
sudo nixos-rebuild switch --flake .#sunken-ship
sudo nixos-rebuild switch --flake .#phantom-ship
# WSL
sudo nixos-rebuild switch --flake ~/dotfiles/nixos#wsl
# Update flake + rebuild (fish alias: nixupdate)
cd ~/dotfiles/nixos && sudo nix flake update && sudo darwin-rebuild switch --flake ~/dotfiles/nixos#Daniel-Macbook-Air
# Installer ISO (Linux only, cannot build on macOS)
cd ~/dotfiles/nixos && nix build .#installer-iso
```
## Rebuild protocol
**Never run rebuild commands automatically.** When changing Nix config files, always ask the user to rebuild first. Do not assume packages are available until after a successful rebuild.
## Flake architecture
- **Flake:** `nixos/flake.nix` — single flake for all hosts
- **Inputs:** nixpkgs-unstable, nix-darwin, home-manager, nixos-wsl, disko, zen-browser
- **Host configs** in `nixos/hosts/`:
- `daniel-macbook-air.nix` — hostname `Daniel-Macbook-Air` (aarch64-darwin, nix-darwin)
- `sunken-ship.nix` — NixOS home server (x86_64-linux, WiFi + AirPlay)
- `phantom-ship.nix` — NixOS home server (x86_64-linux, Ethernet)
- `wsl.nix` — WSL (x86_64-linux)
- `server-install.nix` — disko-install target (LUKS)
- **Home Manager:** integrated on macOS, WSL, and sunken-ship; user config in `nixos/home/danny/home.nix`
- **Shared modules:** `nixos/fish.nix` (fish + bash), `nixos/ollama.nix`
- **Darwin config name:** `Daniel-Macbook-Air` (must match in rebuild commands)
## Repo rules
- **Public repo** — no keys, tokens, or identifying secrets. Use `scp` or config outside the repo.
- **SSH keys:** one key per purpose (e.g. `id_ed25519_github`, `id_ed25519_servers`). Use `IdentityFile` + `IdentitiesOnly yes` in `~/.ssh/config`. Keys stay outside the repo.
- **Commit and push** before testing on sunken-ship — the server clones/pulls from origin.
## Server (sunken-ship)
- SSH: `ssh -i ~/.ssh/id_ed25519_sunken_ship danny@sunken-ship`
- Remote rebuild: `ssh ... 'cd /etc/dotfiles/nixos && sudo nixos-rebuild switch --flake .#sunken-ship'`
- Auto-rebuild timer: `dotfiles-rebuild` — every 15 min. Check with `systemctl is-active dotfiles-rebuild.timer`.
- WiFi connected; stays reachable when ethernet is unplugged.
- Services: UxPlay (AirPlay receiver on Scarlett Solo)
## Server (phantom-ship)
- SSH: `ssh danny@phantom-ship`
- Remote rebuild: `ssh ... 'cd /etc/dotfiles/nixos && sudo nixos-rebuild switch --flake .#phantom-ship'`
- Auto-rebuild timer: same pattern as sunken-ship.
- Ethernet only (no WiFi).
## Ollama
Custom nix-darwin module at `nixos/ollama.nix` (upstream PR not yet merged). Enabled on macOS via `nixos/hosts/daniel-macbook-air.nix`. Runs as a launchd user agent with `ollama serve`.
## Alacritty (macOS)
Terminal colors follow **System Settings → Appearance**: `programs.alacritty` imports `~/.config/alacritty/active-colors.toml`; `scripts/alacritty-sync-system-theme.sh` copies Catppuccin latte/mocha there when the OS mode changes. **nix-darwin** `launchd.user.agents.alacritty-system-theme` polls every 30s; **fish** runs the same script on interactive startup. After changing Nix, one `darwin-rebuild switch`. Details: `assets/alacritty/README.md`.
## clan.lol
**CLI invocation:** clan-cli is not installed globally. Run ad-hoc via:
```bash
nix run git+https://git.clan.lol/clan/clan-core#clan-cli -- machines list \
--flake 'path:/Users/danny/dotfiles/nixos'
```
**Flake path quirk:** `--flake .` and `--flake git+…` both fail from a git worktree when the flake lives in a subdir (`nixos/`). Use `--flake 'path:…/nixos'` explicitly. May not be needed from the main checkout — retest.
**`enableRecommendedDefaults = false`:** we opted out fleet-wide because clan's defaults flip to `systemd-networkd` + `systemd-resolved` + `boot.initrd.systemd`, which breaks dnsmasq (NAT DNS on phantom-ship) and navidrome's resolv.conf bind-mount on sunken-ship. Revisit per-service in a later pass — the defaults also include handy extras (tcpdump, htop, curl, jq, nixos-facter). Option defined in `nixosModules/clanCore/defaults.nix` + `nixosModules/clanCore/networking.nix` inside the `clan-core` flake.
**Deployment:** `dotfiles-rebuild` timer (every 15 min pull) is still the source of truth. `clan machines update` works as a push escape hatch; dm-pull-deploy replaces the timer in a later stage.
## Shell
Fish is the default shell. Bash auto-execs fish unless the parent process is already fish. Vi keybindings with fzf integration. Zoxide aliased to `cd`.