62 lines
1.7 KiB
TypeScript
62 lines
1.7 KiB
TypeScript
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import assert from "node:assert/strict";
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import { execFile } from "node:child_process";
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import { promisify } from "node:util";
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const execute = promisify(execFile);
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export function latch() {
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let release: () => void = () => {
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throw new Error("Barrera sin inicializar.");
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};
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const promise = new Promise<void>((resolve) => {
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release = resolve;
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});
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return { promise, release };
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}
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export async function waitBarrier(promise: Promise<void>) {
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let timer: NodeJS.Timeout | undefined;
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try {
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await Promise.race([
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promise,
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new Promise<never>((_resolve, reject) => {
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timer = setTimeout(
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() => reject(new Error("No se alcanzó la barrera transaccional.")),
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15000
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);
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}),
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]);
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} finally {
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clearTimeout(timer);
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}
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}
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/** Observa una espera real de InnoDB fuera del pool probado; no vuelca credenciales del contenedor. */
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export async function waitCatalogLock(container: string) {
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assert.match(container, /^metis-scope-test-[a-f0-9]+$/u);
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const deadline = Date.now() + 10000;
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while (Date.now() < deadline) {
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const { stdout } = await execute(
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"docker",
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[
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"exec",
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container,
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"sh",
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"-c",
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'MYSQL_PWD="$MARIADB_ROOT_PASSWORD" mariadb -uroot -N -B --execute="SELECT COUNT(*) FROM information_schema.INNODB_LOCK_WAITS w JOIN information_schema.INNODB_LOCKS b ON b.lock_id=w.blocking_lock_id WHERE b.lock_table LIKE \'%resource_catalogs%\'"',
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],
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{ timeout: 5000 }
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);
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if (Number(stdout.trim()) > 0) {
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return;
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}
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await new Promise<void>((resolve) => setImmediate(resolve));
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}
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throw new Error("No se observó la espera de InnoDB esperada.");
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}
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