[LRUG] Vagrant, Puppet and Linode

[David Salgado]

Hey, G2!

Our experience using a puppet master was very different. We found that,
after 50 or 60 nodes, the puppet master became a significant bottleneck.
So, we switched to just having the puppet code in a git repo and checking
it out onto the servers.

That was quite a while ago though, so maybe the issue we were having has
been fixed in a more recent version of puppet.

David



On 24 April 2013 16:39, Gareth Humphries <gareth1 at erozen.org> wrote:

> If you have more than a few servers, please use a puppet master - less
> resource drain on hosts, faster rollout of changes, and you gain exported
> resources which open all sorts of doors you never knew existed. I run a 200
> and something node domain off a master with 2x2Ghz 4Gb, and it's not
> taxed.  It's worth it.
>
> For those interested, we have ec2 'stem cell' ami's, which contain the
> bare minimum to provision a new host (basically consists of an init script
> to build puppet.conf and run puppet on boot). We use the userdata to define
> what should be applied to new instances on boot. Works a treat.
>
>
> Gareth.
>
>
> You generally run puppet as root. Nothing in staging or production
>> references anything to do with vagrant. Our vagrant projects reference the
>> Puppet git repo.
>>
>>
>> >
>> > Would you be willing to send me your bootstrap script? I think more than
>> > anything that's what will help all the pieces fall in place in my mind.
>> > I'll probably need to write my own, but to have yours to work off of (I
>> > learn by studying examples) would be very helpful.
>> >
>>
>> It's got some bits that I can't publish, but these are the crucial parts;
>>
>> This installs puppet 2.7.3 on a fresh Ubuntu 12.04 server.
>>
>> apt-get update && apt-get -y install git-core ruby facter && \
>> wget http://www.puppetlabs.com/downloads/puppet/puppet-2.7.3.tar.gz && \
>> tar xvf puppet-2.7.3.tar.gz && \
>> cd /root/puppet-2.7.3 && ruby install.rb
>>
>> This is how you apply a checked out working copy of a puppet repo. Your
>> structure might vary, but the differences should be pretty obvious.
>>
>> puppet apply --modulepath=/tmp/puppet/modules
>> /tmp/puppet/manifests/site.pp
>>
>>
>> Have fun
>>
>>
>>
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