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Improve embedded Postgres bootstrap errors

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Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
dotta 2026-03-26 11:34:16 -05:00
parent 5913706329
commit 76a692c260
6 changed files with 180 additions and 38 deletions
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32
packages/db/src/migration-runtime.ts
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@ -2,6 +2,7 @@ import { existsSync, readFileSync, rmSync } from "node:fs";
import { createServer } from "node:net";
import path from "node:path";
import { ensurePostgresDatabase, getPostgresDataDirectory } from "./client.js";
import { createEmbeddedPostgresLogBuffer, formatEmbeddedPostgresError } from "./embedded-postgres-error.js";
import { resolveDatabaseTarget } from "./runtime-config.js";
type EmbeddedPostgresInstance = {
@ -27,18 +28,6 @@ export type MigrationConnection = {
stop: () => Promise<void>;
};
function toError(error: unknown, fallbackMessage: string): Error {
if (error instanceof Error) return error;
if (error === undefined) return new Error(fallbackMessage);
if (typeof error === "string") return new Error(`${fallbackMessage}: ${error}`);
try {
return new Error(`${fallbackMessage}: ${JSON.stringify(error)}`);
} catch {
return new Error(`${fallbackMessage}: ${String(error)}`);
}
}
function readRunningPostmasterPid(postmasterPidFile: string): number | null {
if (!existsSync(postmasterPidFile)) return null;
try {
@ -109,6 +98,7 @@ async function ensureEmbeddedPostgresConnection(
const runningPid = readRunningPostmasterPid(postmasterPidFile);
const runningPort = readPidFilePort(postmasterPidFile);
const preferredAdminConnectionString = `postgres://paperclip:paperclip@127.0.0.1:${preferredPort}/postgres`;
const logBuffer = createEmbeddedPostgresLogBuffer();
if (!runningPid && existsSync(pgVersionFile)) {
try {
@ -151,18 +141,19 @@ async function ensureEmbeddedPostgresConnection(
port: selectedPort,
persistent: true,
initdbFlags: ["--encoding=UTF8", "--locale=C", "--lc-messages=C"],
onLog: () => {},
onError: () => {},
onLog: logBuffer.append,
onError: logBuffer.append,
});
if (!existsSync(path.resolve(dataDir, "PG_VERSION"))) {
try {
await instance.initialise();
} catch (error) {
throw toError(
error,
`Failed to initialize embedded PostgreSQL cluster in ${dataDir} on port ${selectedPort}`,
);
throw formatEmbeddedPostgresError(error, {
fallbackMessage:
`Failed to initialize embedded PostgreSQL cluster in ${dataDir} on port ${selectedPort}`,
recentLogs: logBuffer.getRecentLogs(),
});
}
}
if (existsSync(postmasterPidFile)) {
@ -171,7 +162,10 @@ async function ensureEmbeddedPostgresConnection(
try {
await instance.start();
} catch (error) {
throw toError(error, `Failed to start embedded PostgreSQL on port ${selectedPort}`);
throw formatEmbeddedPostgresError(error, {
fallbackMessage: `Failed to start embedded PostgreSQL on port ${selectedPort}`,
recentLogs: logBuffer.getRecentLogs(),
});
}
const adminConnectionString = `postgres://paperclip:paperclip@127.0.0.1:${selectedPort}/postgres`;