3.8.5 Master with 3.7.2 Agents

christg76

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May 27, 2016, 5:00:18 AM5/27/16

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Hi, background here is that I want to use both Master and agents from the Debian repo. The Master runs on Jessie (3.8.5 from the backports), and some agents still on wheezy (3.7.2 from the backports).
This is not a new install, but rather an intermediate upgrade to the last Puppet 3 version, before moving on to 4 and Puppet Server.
Is anybody aware of issues with 3.8.5 Master and 3.7.2 Agents? Is there any reason why I should not be running this setup for a while? Cant see anything pressing from the release notes..

Many Thanks,
Chris

Rob Nelson

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May 27, 2016, 6:59:23 AM5/27/16

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IME you definitely won't have issues with 3.7.2 agents talking to a 3.8.5 master.

When you are ready to move to puppet 4, however, the upgrade docs say that the agents should all hit 3.8 before you upgrade the master to 4.latest. However, I skipped that step in my upgrade and 3.7.x agents talked fine with 4.3.x (latest when I did this). I can't say if the docs are over protective, or if I just missed all the cases where that breaks something.

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christg76

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May 30, 2016, 4:00:05 AM5/30/16

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Thats what i thought.. many thanks for the info Rob!

Henrik Lindberg

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May 30, 2016, 1:49:07 PM5/30/16

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On 27/05/16 12:59, Rob Nelson wrote:
> IME you definitely won't have issues with 3.7.2 agents talking to a
> 3.8.5 master.
>
> When you are ready to move to puppet 4, however, the upgrade docs
> say that the agents should all hit 3.8 before you upgrade the master to
> 4.latest. However, I skipped that step in my upgrade and 3.7.x agents
> talked fine with 4.3.x (latest when I did this). I can't say if the docs
> are over protective, or if I just missed all the cases where that breaks
> something.
>

I think it depends on the version on the server side. IIRC early 4.x
versions did not support the older version of the communication
protocol. I believe this was added for easier upgrade, but I am not 100%
sure.

- henrik

> On Friday, May 27, 2016, christg76 <chri...@gmail.com

> <mailto:chri...@gmail.com>> wrote:
>
> Hi, background here is that I want to use both Master and agents
> from the Debian repo. The Master runs on Jessie (3.8.5 from the
> backports), and some agents still on wheezy (3.7.2 from the backports).
> This is not a new install, but rather an intermediate upgrade to the
> last Puppet 3 version, before moving on to 4 and Puppet Server.
> Is anybody aware of issues with 3.8.5 Master and 3.7.2 Agents? Is
> there any reason why I should not be running this setup for a while?
> Cant see anything pressing from the release notes..
>
> Many Thanks,
> Chris
>
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> For more options, visit https://groups.google.com/d/optout.
>
>
>
> --
>
> Rob Nelson

> rnel...@gmail.com <mailto:rnel...@gmail.com>

>
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