forked from FoundKeyGang/FoundKey
33 lines
919 B
TypeScript
33 lines
919 B
TypeScript
import { promisify } from 'node:util';
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import redisLock from 'redis-lock';
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import { redisClient } from '@/db/redis.js';
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import { SECOND } from '@/const.js';
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/**
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* Retry delay (ms) for lock acquisition
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*/
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const retryDelay = 100;
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const lock: (key: string, timeout?: number) => Promise<() => void>
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= redisClient
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? promisify(redisLock(redisClient, retryDelay))
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: 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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*/
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export function getApLock(uri: string, timeout = 30 * SECOND) {
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return lock(`ap-object:${uri}`, timeout);
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}
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export function getFetchInstanceMetadataLock(host: string, timeout = 30 * SECOND) {
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return lock(`instance:${host}`, timeout);
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}
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export function getChartInsertLock(lockKey: string, timeout = 30 * SECOND) {
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return lock(`chart-insert:${lockKey}`, timeout);
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}
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