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I have OpenFaaS and Minio both deployed on Kubernetes. I am following this tutorial to try to get an OpenFaaS function to interact with Minio buckets: https://blog.alexellis.io/openfaas-storage-for-your-functions/

However, whenever I try to invoke the processimages function (which accesses a Minio bucket) in OpenFaaS, the program runs for a few seconds before returning a 502 Bad Gateway error. In fact, this happens anytime I try to access MinIO from within any OpenFaaS function.

Interestingly, MinIO seems to work fine in functions that are not running in OpenFaaS, but as soon as I try to run them from within OpenFaaS, I get 502 Bad Gateway.

What could be causing this?

kd2amc
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1 Answers1

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Figured it out, when I first configured Minio, I set the IP address of the endpoint/hostname to localhost:9000. This worked fine on my local machine, but inside an OpenFaaS container, localhost refers to the container's IP, not my machine's IP, so OpenFaaS functions could not access Minio.

kd2amc
  • 39
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