Puppet Master and Puppet Agent Setup on AWS

This guide will help you set up a Puppet Master and Puppet Agent (or Puppet Node) on Amazon Web Services (AWS) using straightforward commands. This setup allows you to manage configurations and automate tasks on your nodes using Puppet.

MY Video link:- https://www.youtube.com/watch?v=bMBue_LOW7g&t=578s

Puppet Master Setup

Modify the Puppet Master's hosts file

sudo nano /etc/hosts

Add the following line:

<Puppet_Master_Private_IP> puppet

Download and install the Puppet Master packages

curl -O https://apt.puppetlabs.com/puppet6-release-bionic.deb

sudo dpkg -i puppet6-release-bionic.deb

sudo apt-get update

sudo apt-get install puppetserver -y

Add changes

sudo nano /etc/default/puppetserver

JAVA_ARGS = "-Xms512m -Xms512m"

Allow traffic on port 8140

sudo ufw allow 8140

Configure and start Puppet Master

sudo systemctl enable puppetserver.service

sudo systemctl start puppetserver.service

Verify the version of Puppet Master

sudo systemctl status puppetserver.service

Puppet Agent Setup

Modify the Puppet Agent's hosts file

sudo nano /etc/hosts

Add the following line:

<Puppet_Master_Private_IP> puppet

Download and install the Puppet Agent packages

curl -O https://apt.puppetlabs.com/puppet6-release-bionic.deb

sudo dpkg -i puppet6-release-bionic.deb

sudo apt-get update

sudo apt-get install puppet-agent -y

Enable and restart the Puppet Agent service

sudo systemctl enable puppet

sudo systemctl restart puppet

sudo systemctl status puppet

Signing Certificates on the Puppet Master

List certificate requests

sudo /opt/puppetlabs/bin/puppetserver ca list

Sign a specific certificate request

sudo /opt/puppetlabs/bin/puppetserver ca sign --certname <Agent_CertName>

Applying Manifests on Puppet master

Create a Puppet manifest file

sudo nano /etc/puppetlabs/code/environments/production/manifests/site.pp

Add content like the following example:

file { '/tmp/puppet_test.txt':
  ensure => present,
  mode   => '0644',
  content => "Hello from Puppet master (Welcome to puppet testing with vishal.) to agent on IP address ${ipaddress_eth0}\n",
}

Trigger Puppet Agent to apply the changes (run on puppet Agent)

sudo /opt/puppetlabs/bin/puppet agent --test

Check the content of the test file (run on puppet Agent)

sudo cat /tmp/puppet_test.txt

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download PPT for All command.

Congratulations! Your Puppet Master and Puppet Agent are now set up and running. You've tested the configuration to ensure everything is working smoothly.

Happy learning!