Deployment Architecture

Debugging app deployment to AWS cluster

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I have an on-prem Splunk cluster and an AWS cluster. Each one has its own indexers and clustermaster, though only the on-prem setup has a search head and a deployment server. 


When I use the deployment server to deploy configurations to a splunk forwarder in AWS, it keeps failing to deploy. I have checked:

Forwarder is installed on machine to send logs

DS can contact the machine to send apps via port 8089

I used TCPDump on the forwarder machine on port 8089 and can see packets from the deployment server 

Unfortunately all I can get from the internal logs is this delightfully descriptive error message:

05-19-2021 08:04:42.818 +0200 WARN ClientSessionsManager - ip=<omitted> name=<omitted> Updating record for sc=<serverclass name> app=<app name>: action=Download result=Fail checksum=0


Can anyone suggest more areas to look at? I can't figure out why it is not deploying properly.

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