forked from the-distro/infra
62 lines
2.5 KiB
Nix
62 lines
2.5 KiB
Nix
{ config, lib, pkgs, nodes, modulesPath, ... }:
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# The way the connection is established is specific to the wob01 site and the Intel S2600KPR blades.
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# Proper netboot is not possible, because while the blades and the APU board (which is the netboot
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# server here) are in the same L2 network, the uplink connection of each blade is an LACP LAG,
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# meaning that the switch on the other side will only enable the port if it sees valid LACP packets.
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# We work around this by presenting a virtual floppy drive using the "IUSB" protocol of the BMC.
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# This virtual floppy drive contains an per-blade customized initramfs which will initialize the
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# network connection including IP configuration and load the actual image off hydra.
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let
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netboot-server-ip = "2a01:584:11::2";
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netbootNodes = lib.filterAttrs (_: node: node.config.bagel.baremetal.builders.enable && node.config.bagel.baremetal.builders.netboot) nodes;
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in {
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assertions = [
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{
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assertion = !(lib.elem 443 config.networking.firewall.allowedTCPPorts);
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message = ''
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Port 443 is in networking.firewalls.allowedTCPPorts, but should be only manually
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allowed for specific IPs and source ports in ${builtins.toJSON __curPos}
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'';
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}
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];
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systemd.services = lib.mapAttrs' (nodename: node: let
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bmcIp = "192.168.1.${toString (node.config.bagel.baremetal.builders.num * 4 + 2)}";
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notipxe = node.config.system.build.notipxe.config.system.build.usbImage;
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in lib.nameValuePair "iusb-spoof-${nodename}" {
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Restart = "always";
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};
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script = ''
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AUTH_TOKEN=$(${pkgs.iusb-spoof}/bin/make-token ${bmcIp})
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exec ${pkgs.iusb-spoof}/bin/iusb-spoof -r ${bmcIp} 5123 $AUTH_TOKEN ${notipxe}
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'';
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}) netbootNodes;
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# Since the builders are stateless, they can not store their ssh hostkeys
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networking.firewall.allowedTCPPorts = [ 80 ]; # for ACME
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networking.firewall.extraInputRules = ''
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ip6 saddr 2a01:584:11::/64 tcp sport < 1024 tcp dport 443 accept;
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'';
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services.nginx = {
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enable = true;
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virtualHosts."vpn-gw.wob01.infra.forkos.org" = {
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enableACME = true;
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forceSSL = true;
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locations = lib.mapAttrs' (nodename: node: let
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ip = "2a01:584:11::1:${toString node.config.bagel.baremetal.builders.num}";
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in lib.nameValuePair "/${nodename}/" {
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root = "/var/www";
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extraConfig = ''
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allow ${ip};
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deny all;
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'';
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}) netbootNodes;
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};
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};
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}
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