Foreman already comes with Puppet. In fact, when you run foreman-installer it uses Puppet to install and configure Foreman.
Even if you won´t manage servers with Puppet, it´s useful to install the Puppet agent on all hosts connected to Foreman so you´ll have reports and inventory.
Here we´ll talk about adding hosts to the Puppet Server running on Foreman.
Install and configure Puppet agent on client hosts
You should have a host already subscribed with Katello, so it will see the Puppet repository mirror.
Install the puppet-agent package, configure it to point to the Foreman host and run it:
yum install puppet-agent echo "server = foreman.ext.dc1.lab" >> /etc/puppetlabs/puppet/puppet.conf . /etc/profile && puppet agent -t
Enable puppet service and start it:
systemctl enable puppet systemctl start puppet
You´re DONE !
You can now see the hosts Facts (inventory).
Adding Puppet stuff to Foreman
Foreman can be a ENC (External Node Classifier) to Puppet so you can use the Foreman web interface to manage puppet classes and apply them to hosts.
We won´t do it here. We´ll just get to the point you can use it, but we´ll let to explain how to do it on the next post.
Download Puppet modules
You can import Puppet modules from Puppet Forge, but I´ll use my own modules to demonstrate it as I´ll talk about them futurely.
Go to the Puppet modules directory on the Foreman host:
cd /etc/puppetlabs/code/environments/production/modules/
Download my Puppet modules:
git clone https://github.com/andreramoni/puppet-rbaselines.git rbaselines && cd rbaselines && ./deps.sh git clone https://github.com/andreramoni/puppet-rservers.git rservers && cd rservers && ./deps.sh
Import them onto Foreman
Go to Configure->Puppet Classes->Import. Select the checkbox and click Update.
You should see a list of all Puppet classes available on the modules installed.
Ok, let´s stop for now. In the next posts I´ll show you how to use them.
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