22 lines
798 B
JavaScript
22 lines
798 B
JavaScript
import { redisClient } from "../db/redis.js";
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import { promisify } from "node:util";
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import redisLock from "redis-lock";
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/**
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* Retry delay (ms) for lock acquisition
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*/ const retryDelay = 100;
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const lock = redisClient ? promisify(redisLock(redisClient, retryDelay)) : async ()=>()=>{};
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/**
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* Get AP Object lock
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* @param uri AP object ID
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* @param timeout Lock timeout (ms), The timeout releases previous lock.
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* @returns Unlock function
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*/ export function getApLock(uri, timeout = 30 * 1000) {
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return lock(`ap-object:${uri}`, timeout);
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}
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export function getFetchInstanceMetadataLock(host, timeout = 30 * 1000) {
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return lock(`instance:${host}`, timeout);
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}
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export function getChartInsertLock(lockKey, timeout = 30 * 1000) {
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return lock(`chart-insert:${lockKey}`, timeout);
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}
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