Puppet Manifest Involving Multiple Nodes

[Rakesh Kathpal]

Hi,

I need to copy of set of files to 10 / 20 nodes but the process is as follows

Copy all files on 1 agent

Validate the files

If successful
only then copy files to other servers

else

revert changes on first node itself and stop

I understand that I can do this for one node but am really confused as to how can control the behavior on multiple nodes.

Thanks,

RK.

[Rakesh Kathpal]

Any help ?

[Felix Frank]

Hi,

designs like this are rather difficult to achieve with Puppet. They rely
on the paradigm of a scripting engine, with Puppet is not!

Puppet works best once you attain a state of affairs which you can
confidently apply to your agents.

It would perhaps be easiest to do the preliminary steps outside of Puppet.

1. Deploy files to the test instance.
2. Validate, rollback on failure, bail out.
3. Push files to Puppet VCS.

Puppet will can then handle the production deployment for you.

HTH,
Felix

[Rakesh Kathpal]

Thanks a ton Felix..

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