This commit is contained in:
Robin Appelman 2023-02-19 17:25:05 +01:00
commit c83037e32a
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use flake

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target target
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version = "0.42.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
[[package]]
name = "windows_x86_64_msvc"
version = "0.42.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"

40
flake.lock generated Normal file
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@ -0,0 +1,40 @@
{
"nodes": {
"flake-utils": {
"locked": {
"lastModified": 1676283394,
"narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1676253841,
"narHash": "sha256-jhuI8Mmky8VCD45OoJEuF6HdPLFBwNrHA0ljjZ/zkfw=",
"path": "/nix/store/l9wr42c9j4cydpanidi6amch940qbzap-source",
"rev": "a45a8916243a7d27acc358f4fc18c4491f3eeca8",
"type": "path"
},
"original": {
"id": "nixpkgs",
"type": "indirect"
}
},
"root": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
}
},
"root": "root",
"version": 7
}

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{
inputs = {
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils }: let
buildNbs = pkgs: pkgs.rustPlatform.buildRustPackage rec {
version = "0.1.0";
pname = "nbs";
src = ./.;
cargoSha256 = "sha256-qhCIHD+suZkwvthuIKvI1BUOi8NHEJHUTb6Qc2talz8=";
meta = with pkgs.lib; {
description = "A basic NBD block server with a single gimmick";
homepage = "https://github.com/icewind1991/nbs";
license = licenses.mit;
platforms = platforms.linux;
};
};
in flake-utils.lib.eachDefaultSystem (
system: let
pkgs = nixpkgs.legacyPackages."${system}";
in
rec {
# `nix build`
packages.nbs = buildNbs pkgs;
defaultPackage = packages.nbs;
defaultApp = packages.nbs;
# `nix develop`
devShell = pkgs.mkShell {
nativeBuildInputs = with pkgs; [ rustc cargo bacon cargo-edit cargo-outdated ];
};
}
) // {
nixosModule = {
config,
lib,
pkgs,
...
}:
with lib; let
nbs = buildNbs pkgs;
cfg = config.services.nbs;
format = pkgs.formats.toml {};
configFile = format.generate "nbs.toml" ({
inherit (cfg) listen;
exports = mapAttrs (_: export: {
inherit (export) path;
read_only = export.readOnly;
}) cfg.exports;
});
pkg = self.defaultPackage.${pkgs.system};
in {
options.services.nbs = {
enable = mkEnableOption "nbs";
log = mkOption {
type = types.str;
default = "INFO";
description = "Log level";
};
listen = mkOption {
type = types.submodule {
options = {
port = mkOption {
type = types.int;
default = 10809;
description = "Port to listen on";
};
address = mkOption {
type = types.str;
default = "0.0.0.0";
description = "Address to listen on";
};
};
};
default = {
address = "0.0.0.0";
port = 10809;
};
};
exports = mkOption {
default = [];
type = types.attrsOf (types.submodule {
options = {
path = mkOption {
type = types.str;
description = "Source path to the image to export";
};
readOnly = mkOption {
type = types.bool;
default = false;
description = "Whether to export the image readonly";
};
};
});
};
openPorts = mkOption {
default = false;
type = types.bool;
};
};
config = mkIf cfg.enable {
# symlink instead of passing `configFile` directly to nbs to allread changing the config without changing the path
environment.etc."nbs/nbs.toml".source = configFile;
networking.firewall.allowedTCPPorts = optional cfg.openPorts cfg.listen.port;
systemd.services.nbs = {
description = "NBD block server";
environment = {
RUST_LOG = cfg.log;
};
serviceConfig = {
ExecStart = "${nbs}/bin/nbs -c /etc/nbs/nbs.toml";
ExecReload = "${pkgs.util-linux}/bin/kill -HUP $MAINPID";
Restart = "on-failure";
RestartSec = 10;
};
wantedBy = ["multi-user.target"];
reloadTriggers = [configFile];
};
};
};
};
}