Archived
beatzaplentyandClaude Sonnet 4.6
997918e2f7
Check NixOS configurations / eval-hosts (pull_request) Failing after 11m33s
Wires beszel-agent into all tailscale-router variants (lxc/linode/proxmox) by importing enable-agent.nix in the build type and host-token.nix in the host file. Adds the sops creation rule for secrets/tailscale-router.yaml (all three platform variants as recipients). The secrets file must be created manually before deploying — see instructions in PR. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
46 lines
1.9 KiB
Nix
46 lines
1.9 KiB
Nix
{ vars, ... }:
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{
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imports = [
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../tailscale/subnet-router.nix
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../beszel/enable-agent.nix
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];
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# "server", not "both": this build type advertises LAN subnet routes but
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# doesn't use another tailscale exit node itself, so it doesn't need the
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# "client"-side loose reverse-path filtering that "both" would also enable.
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# Deliberately kept explicit here (not just relying on subnet-router.nix's
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# own setting) so the intent is clear at the build-type level.
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services.tailscale.useRoutingFeatures = "server";
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# Advertise the LAN subnet so Tailscale peers can route back to LAN machines.
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# Must also be approved in the Tailscale admin console (Machines → Edit route settings).
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services.tailscale.extraUpFlags = [ "--advertise-routes=${vars.lanCidr}" ];
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networking = {
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# SNAT traffic from LAN machines going out through Tailscale so the remote
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# peer sees it sourced from this router's Tailscale IP (100.x.x.x) rather
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# than a raw LAN IP. Without this, Tailscale drops the forwarded packets
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# because the source is not a recognised Tailscale address.
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#
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# networking.nat.externalInterface alone does not insert a MASQUERADE rule
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# (it only does so when internalInterfaces is also set). We use
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# extraCommands to add the rule into the nixos-nat-post chain that
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# networking.nat.enable creates, and extraStopCommands to clean it up.
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nat.enable = true;
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firewall = {
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# Forwarded subnet-router traffic arrives on tailscale0 already
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# tailscale-authenticated -- the firewall's normal per-port allow-list
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# would otherwise drop it. Standard NixOS/Tailscale subnet-router guidance.
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trustedInterfaces = [ "tailscale0" ];
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extraCommands = ''
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iptables -t nat -A nixos-nat-post -s ${vars.lanCidr} -o tailscale0 -j MASQUERADE
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'';
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extraStopCommands = ''
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iptables -t nat -D nixos-nat-post -s ${vars.lanCidr} -o tailscale0 -j MASQUERADE 2>/dev/null || true
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'';
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};
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};
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}
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