element-web/playwright/plugins/postgres/index.ts
David Langley 491f0cd08a
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2024-09-09 13:57:16 +00:00

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TypeScript

/*
Copyright 2024 New Vector Ltd.
Copyright 2023 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { Docker } from "../docker";
export const PG_PASSWORD = "p4S5w0rD";
/**
* Class to manage a postgres database in docker
*/
export class PostgresDocker extends Docker {
/**
* @param key an opaque string to use when naming the docker containers instantiated by this class
*/
public constructor(private key: string) {
super();
}
private async waitForPostgresReady(): Promise<void> {
const waitTimeMillis = 30000;
const startTime = new Date().getTime();
let lastErr: Error | null = null;
while (new Date().getTime() - startTime < waitTimeMillis) {
try {
await this.exec(["pg_isready", "-U", "postgres"], true);
lastErr = null;
break;
} catch (err) {
console.log("pg_isready: failed");
lastErr = err;
}
}
if (lastErr) {
console.log("rethrowing");
throw lastErr;
}
}
public async start(): Promise<{
ipAddress: string;
containerId: string;
}> {
console.log(new Date(), "starting postgres container");
const containerId = await this.run({
image: "postgres",
containerName: `react-sdk-playwright-postgres-${this.key}`,
params: ["--tmpfs=/pgtmpfs", "-e", "PGDATA=/pgtmpfs", "-e", `POSTGRES_PASSWORD=${PG_PASSWORD}`],
// Optimise for testing - https://www.postgresql.org/docs/current/non-durability.html
cmd: ["-c", `fsync=off`, "-c", `synchronous_commit=off`, "-c", `full_page_writes=off`],
});
const ipAddress = await this.getContainerIp();
console.log(new Date(), "postgres container up");
await this.waitForPostgresReady();
console.log(new Date(), "postgres container ready");
return { ipAddress, containerId };
}
}