🔧 feat: Alternative DNS Lookup for AWS ElastiCache TLS Connections (#9264)

* added REDIS_USE_ALTERNATIVE_DNS_LOOKUP env variable to modify redis connection by adding dnsLookup
this is required when connecting to elasticache for ioredis
see "Special Note: Aws Elasticache Clusters with TLS" on this webpage:  https://www.npmjs.com/package/ioredis

* added REDIS_USE_ALTERNATIVE_DNS_LOOKUP env variable to modify redis connection by adding dnsLookup
this is required when connecting to elasticache for ioredis
see "Special Note: Aws Elasticache Clusters with TLS" on this webpage:  https://www.npmjs.com/package/ioredis

---------

Co-authored-by: Marc Amick <MarcAmick@jhu.edu>
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MarcAmick 2025-08-27 16:09:07 -04:00 committed by GitHub
parent f209f616c9
commit ea3b671182
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@ -52,6 +52,9 @@ const cacheConfig = {
REDIS_CONNECT_TIMEOUT: math(process.env.REDIS_CONNECT_TIMEOUT, 10000),
/** Queue commands when disconnected */
REDIS_ENABLE_OFFLINE_QUEUE: isEnabled(process.env.REDIS_ENABLE_OFFLINE_QUEUE ?? 'true'),
/** flag to modify redis connection by adding dnsLookup this is required when connecting to elasticache for ioredis
* see "Special Note: Aws Elasticache Clusters with TLS" on this webpage: https://www.npmjs.com/package/ioredis **/
REDIS_USE_ALTERNATIVE_DNS_LOOKUP: isEnabled(process.env.REDIS_USE_ALTERNATIVE_DNS_LOOKUP),
/** Enable redis cluster without the need of multiple URIs */
USE_REDIS_CLUSTER: isEnabled(process.env.USE_REDIS_CLUSTER ?? 'false'),
CI: isEnabled(process.env.CI),