59 lines
1.5 KiB
Nix
59 lines
1.5 KiB
Nix
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{ lib, pkgs, config, ... }:
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let
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inherit (lib) mkIf;
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inherit (lib.my) mkOpt';
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cfg = config.my.nvme;
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nvme-cli = pkgs.nvme-cli.override {
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libnvme = pkgs.libnvme.overrideAttrs (o: {
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patches = o.patches ++ [ ./libnvme-hostconf.patch ];
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});
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};
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hostNQN = "nqn.2014-08.org.nvmexpress:uuid:${cfg.uuid}";
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etc = prefix: {
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"${prefix}nvme/hostnqn".text = hostNQN;
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"${prefix}nvme/hostid".text = cfg.uuid;
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};
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in
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{
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options.my.nvme = with lib.types; {
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uuid = mkOpt' (nullOr str) null "NVMe host ID";
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boot = {
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nqn = mkOpt' (nullOr str) null "NQN to connect to on boot";
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address = mkOpt' str null "Address of NVMe-oF target.";
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};
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};
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config = mkIf (cfg.uuid != null) {
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environment = {
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systemPackages = [
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nvme-cli
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];
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etc = etc "";
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};
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boot.initrd.systemd = mkIf (cfg.boot.nqn != null) {
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contents = etc "/etc/";
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extraBin.nvme = "${nvme-cli}/bin/nvme";
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services.connect-nvme = {
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description = "Connect NVMe-oF";
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before = [ "initrd-root-device.target" ];
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after = [ "systemd-networkd-wait-online.service" ];
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requires = [ "systemd-networkd-wait-online.service" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${nvme-cli}/bin/nvme connect -t rdma -a ${cfg.boot.address} -n ${cfg.boot.nqn}";
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Restart = "on-failure";
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RestartSec = 10;
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};
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wantedBy = [ "initrd-root-device.target" ];
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};
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};
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};
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}
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