How does the deployment server deploy to itself?

[danielbb]

I have two DSs that fail to deploy the TA_nix to themselves, how is it normally done? meaning how does the deployment server deploy to itself?

[livehybrid]

Hi @danielbb 

As @richgalloway said, you cant/shouldnt have the DS as a client to itself - You should deploy apps onto your DS under $SPLUNK_HOME/etc/apps in the same way you deploy to $SPLUNK_HOME/etc/deployment_apps

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[richgalloway · Accepted solution]

A Deployment Server cannot be a client of itself.  Any apps the DS needs should be installed manually.

[danielbb]

Why the DS shouldn't be a client of itself? any reasoning here?

[PickleRick]

Being a client of oneself can have some strange results, especially if you deploy an app modifying DS behaviour (especially repo location). I suppose it could lead to a restart loop or some similar "funny" side effects. But even without it, you could accidentally push some general settings involuntarily modifying DS behaviour in an undesired way (even disabling it entirely).

[livehybrid]

Hi @danielbb 

The docs state : 

Important: The deployment server cannot be a deployment client of itself. If it is, the following error will appear in splunkd.log: "This DC shares a Splunk instance with its DS: unsupported configuration". This has the potential to lead to situations where the deployment clients lose their ability to contact the deployment server.

https://help.splunk.com/en/splunk-enterprise/administer/update-your-deployment/9.4/configure-the-dep...

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[richgalloway]

It's an unsupported configuration.  It was explicitly prohibited at one time, but I can't find that documented now.

Note that it is possible for a DS to be a client of another DS.  This hierarchical structure has been used to manage multiple DSs when there are too many endpoints for a single DS to handle.