| 1 | import * as Fly from "@/Fly"; |
| 2 | import * as Effect from "effect/Effect"; |
| 3 | import * as FileSystem from "effect/FileSystem"; |
| 4 | import { HttpServerRequest } from "effect/http/HttpServerRequest"; |
| 5 | import * as HttpServerResponse from "effect/http/HttpServerResponse"; |
| 6 | import { API_PORT, MARKER, MARKER_FILE, Site, VOLUME_PATH } from "./shared.ts"; |
| 7 | |
| 8 | /** |
| 9 | * HTTP Service: mounts a per-replica disk, writes a marker, and serves it back. |
| 10 | */ |
| 11 | export default class Api extends Fly.Service<Api>()( |
| 12 | "Api", |
| 13 | { |
| 14 | app: Site, |
| 15 | main: import.meta.url, |
| 16 | region: "iad", |
| 17 | port: API_PORT, |
| 18 | guest: { cpuKind: "shared", cpus: 1, memoryMb: 256 }, |
| 19 | }, |
| 20 | Effect.gen(function* () { |
| 21 | const mount = yield* Fly.MountVolume({ path: VOLUME_PATH, sizeGb: 1 }); |
| 22 | const fs = yield* FileSystem.FileSystem; |
| 23 | |
| 24 | return { |
| 25 | fetch: Effect.gen(function* () { |
| 26 | const request = yield* HttpServerRequest; |
| 27 | const url = new URL(request.url, "http://service"); |
| 28 | if (url.pathname === "/health") { |
| 29 | return yield* HttpServerResponse.json({ |
| 30 | ok: true, |
| 31 | path: mount.path, |
| 32 | }); |
| 33 | } |
| 34 | yield* fs |
| 35 | .makeDirectory(mount.path, { recursive: true }) |
| 36 | .pipe(Effect.orDie); |
| 37 | yield* fs.writeFileString(MARKER_FILE, MARKER).pipe(Effect.orDie); |
| 38 | const text = yield* fs.readFileString(MARKER_FILE).pipe(Effect.orDie); |
| 39 | return yield* HttpServerResponse.json({ |
| 40 | path: mount.path, |
| 41 | text, |
| 42 | }); |
| 43 | }), |
| 44 | }; |
| 45 | }).pipe(Effect.provide(Fly.MountVolumeLive)), |
| 46 | ) {} |