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| 1 | +#!/usr/bin/env bun |
| 2 | + |
| 3 | +import { execFileSync, spawn, type ChildProcess } from "child_process" |
| 4 | +import { existsSync, readFileSync, writeFileSync } from "fs" |
| 5 | +import { createConnection } from "net" |
| 6 | +import { join } from "path" |
| 7 | + |
| 8 | +let workRoot = readRequiredEnv("WORK_ROOT") |
| 9 | +let sourceRoot = readRequiredEnv("WORK_SOURCE_ROOT") |
| 10 | +let workspace = readRequiredEnv("WORK_WORKSPACE") |
| 11 | +let syncServer = `wss://sync.${workspace}.tilly.localhost` |
| 12 | +let sourceEnvPath = join(sourceRoot, ".env") |
| 13 | +let workspaceEnvPath = join(workRoot, ".env") |
| 14 | + |
| 15 | +await main() |
| 16 | + |
| 17 | +async function main() { |
| 18 | + if (!existsSync(sourceEnvPath)) { |
| 19 | + throw new Error(`Missing source .env at ${sourceEnvPath}`) |
| 20 | + } |
| 21 | + |
| 22 | + let envFile = readFileSync(sourceEnvPath, "utf-8") |
| 23 | + envFile = setEnvValue(envFile, "PUBLIC_JAZZ_SYNC_SERVER", syncServer) |
| 24 | + writeFileSync(workspaceEnvPath, envFile) |
| 25 | + |
| 26 | + execFileSync("bun", ["install"], { cwd: workRoot, stdio: "inherit" }) |
| 27 | + |
| 28 | + let worker = await createWorkspaceJazzWorker() |
| 29 | + |
| 30 | + envFile = readFileSync(workspaceEnvPath, "utf-8") |
| 31 | + envFile = setEnvValue(envFile, "PUBLIC_JAZZ_WORKER_ACCOUNT", worker.accountId) |
| 32 | + envFile = setEnvValue(envFile, "JAZZ_WORKER_SECRET", worker.accountSecret) |
| 33 | + writeFileSync(workspaceEnvPath, envFile) |
| 34 | + |
| 35 | + console.log(`Workspace ready: ${workspace}`) |
| 36 | +} |
| 37 | + |
| 38 | +function readRequiredEnv(key: string): string { |
| 39 | + let value = process.env[key] |
| 40 | + if (!value) throw new Error(`Missing ${key}`) |
| 41 | + return value |
| 42 | +} |
| 43 | + |
| 44 | +function setEnvValue(content: string, key: string, value: string): string { |
| 45 | + let lines = content.split("\n") |
| 46 | + let nextLine = `${key}=${value}` |
| 47 | + let replaced = false |
| 48 | + |
| 49 | + lines = lines.map(line => { |
| 50 | + if (!line.startsWith(`${key}=`)) return line |
| 51 | + |
| 52 | + replaced = true |
| 53 | + return nextLine |
| 54 | + }) |
| 55 | + |
| 56 | + if (!replaced) { |
| 57 | + if (lines.at(-1) !== "") lines.push("") |
| 58 | + lines.push(nextLine) |
| 59 | + } |
| 60 | + |
| 61 | + return lines.join("\n") |
| 62 | +} |
| 63 | + |
| 64 | +type JazzWorkerCredentials = { accountId: string; accountSecret: string } |
| 65 | + |
| 66 | +async function createWorkspaceJazzWorker(): Promise<JazzWorkerCredentials> { |
| 67 | + let port = 45000 + Math.floor(Math.random() * 10000) |
| 68 | + let peer = `ws://127.0.0.1:${port}` |
| 69 | + let jazzRun = join(workRoot, "node_modules", ".bin", "jazz-run") |
| 70 | + let syncProcess = spawn( |
| 71 | + jazzRun, |
| 72 | + ["sync", "--port", String(port), "--host", "127.0.0.1"], |
| 73 | + { cwd: workRoot, stdio: "ignore" }, |
| 74 | + ) |
| 75 | + |
| 76 | + try { |
| 77 | + await waitForPort(port) |
| 78 | + |
| 79 | + let output = execFileSync( |
| 80 | + jazzRun, |
| 81 | + [ |
| 82 | + "account", |
| 83 | + "create", |
| 84 | + "--name", |
| 85 | + `Tilly Worker (${workspace})`, |
| 86 | + "--peer", |
| 87 | + peer, |
| 88 | + "--json", |
| 89 | + ], |
| 90 | + { cwd: workRoot, encoding: "utf-8" }, |
| 91 | + ) |
| 92 | + |
| 93 | + return parseJazzWorkerCredentials(output) |
| 94 | + } finally { |
| 95 | + stopProcess(syncProcess) |
| 96 | + } |
| 97 | +} |
| 98 | + |
| 99 | +async function waitForPort(port: number) { |
| 100 | + let deadline = Date.now() + 15_000 |
| 101 | + |
| 102 | + while (Date.now() < deadline) { |
| 103 | + let result = await tryConnect(port) |
| 104 | + if (result) return |
| 105 | + await sleep(200) |
| 106 | + } |
| 107 | + |
| 108 | + throw new Error(`Timed out waiting for Jazz sync server on port ${port}`) |
| 109 | +} |
| 110 | + |
| 111 | +function tryConnect(port: number): Promise<boolean> { |
| 112 | + return new Promise(resolve => { |
| 113 | + let socket = createConnection({ host: "127.0.0.1", port }) |
| 114 | + let done = false |
| 115 | + |
| 116 | + let finish = (result: boolean) => { |
| 117 | + if (done) return |
| 118 | + |
| 119 | + done = true |
| 120 | + socket.destroy() |
| 121 | + resolve(result) |
| 122 | + } |
| 123 | + |
| 124 | + socket.setTimeout(500) |
| 125 | + socket.on("connect", () => finish(true)) |
| 126 | + socket.on("error", () => finish(false)) |
| 127 | + socket.on("timeout", () => finish(false)) |
| 128 | + }) |
| 129 | +} |
| 130 | + |
| 131 | +function parseJazzWorkerCredentials(output: string): JazzWorkerCredentials { |
| 132 | + let parsed: unknown = JSON.parse(output.trim()) |
| 133 | + if (!isRecord(parsed)) throw new Error("Invalid Jazz account output") |
| 134 | + |
| 135 | + let accountId = parsed.accountID |
| 136 | + let accountSecret = parsed.agentSecret |
| 137 | + |
| 138 | + if (typeof accountId !== "string" || typeof accountSecret !== "string") { |
| 139 | + throw new Error("Jazz account output is missing credentials") |
| 140 | + } |
| 141 | + |
| 142 | + return { accountId, accountSecret } |
| 143 | +} |
| 144 | + |
| 145 | +function isRecord(value: unknown): value is Record<string, unknown> { |
| 146 | + return typeof value === "object" && value !== null |
| 147 | +} |
| 148 | + |
| 149 | +function stopProcess(process: ChildProcess) { |
| 150 | + if (process.pid) process.kill() |
| 151 | +} |
| 152 | + |
| 153 | +function sleep(milliseconds: number): Promise<void> { |
| 154 | + return new Promise(resolve => setTimeout(resolve, milliseconds)) |
| 155 | +} |
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