Alexander
101 lines
2.7 KiB
Nix
101 lines
2.7 KiB
Nix
{
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pkgs,
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lib,
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config,
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inputs,
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...
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}:
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let
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# devenv's `languages.rust.import` only builds single root-package crates
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# (it hardcodes `cargoNix.rootCrate.build`). tora is a virtual workspace with
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# no root package, so we drive crate2nix directly and select the `torad` member
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# out of `workspaceMembers`. src = ./. gives crate2nix the whole workspace, so
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# torad's path-dependency on ../proto (tora-proto) resolves.
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crate2nixTools = pkgs.callPackage "${inputs.crate2nix}/tools.nix" { };
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cargoNix =
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pkgs.callPackage
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(crate2nixTools.generatedCargoNix {
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name = "tora";
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src = ./.;
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})
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{
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# Build with the toolchain configured for this dev environment,
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# matching what languages.rust.import does internally.
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buildRustCrateForPkgs =
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_:
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pkgs.buildRustCrate.override {
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rustc = config.languages.rust.toolchainPackage;
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cargo = config.languages.rust.toolchainPackage;
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};
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};
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in
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{
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languages.rust.enable = true;
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git-hooks.hooks = {
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clippy = {
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enable = true;
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settings.allFeatures = true;
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};
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treefmt.enable = true;
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};
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treefmt = {
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enable = true;
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config.programs = {
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nixfmt.enable = true;
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rustfmt.enable = true;
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};
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};
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packages = with pkgs; [
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git
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just
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protobuf
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buf
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grpcurl
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# Protobuf generators
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protoc-gen-prost-crate
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protoc-gen-prost-serde
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protoc-gen-tonic
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protoc-gen-prost
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opencode
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];
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services.postgres = {
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enable = true;
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initialDatabases = [
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{
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name = "toradb";
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schema = ./db/schema.sql;
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}
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];
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};
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env.PGDATABASE = "toradb";
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env.DATABASE_URL = "postgresql://${builtins.getEnv "USER"}@localhost/${config.env.PGDATABASE}?host=${config.env.PGHOST}";
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env.TORAD_SOCKET = "${config.env.DEVENV_RUNTIME}/torad.sock";
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env.TORAD_PID_FILE = "${config.env.DEVENV_RUNTIME}/torad.pid";
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processes.torad = {
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exec = ''
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${config.outputs.torad}/bin/torad --socket "$TORAD_SOCKET" --pid-file "$TORAD_PID_FILE"
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'';
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# Waits for postgres's own readiness probe (pg_isready + SELECT 1), not just process start.
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after = [ "devenv:processes:postgres" ];
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# torad speaks gRPC over a Unix socket and does not register reflection,
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# so grpcurl would need proto files. Instead use the `tora health` CLI
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# (already knows the proto, reads TORAD_SOCKET env), which exits 0 iff
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# torad reports SERVING. torad's poll_db_health flips the status to
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# NotServing when postgres ping fails, so this also gates on a live DB.
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ready.exec = "${config.outputs.tora}/bin/tora health";
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};
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outputs = {
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torad = cargoNix.workspaceMembers.torad.build;
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tora = cargoNix.workspaceMembers.tora.build;
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};
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}
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