Working with Puppet Apply and Manifests

Rajesh Kumar

(Senior DevOps Manager & Principal Architect)

DevOps@RajeshKumar.xyz
www.rajeshkumar.xyz
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/RajeshKumarIN

Rajesh Kumar — an award-winning academician and consultant trainer, with 15+ years’ experience in diverse skill management, who has more than a decade of experience in training large and diverse groups across multiple industry sectors.

Agenda

About DevOpsSchool.com

DevOpsSchool is a global online professional training provider. We are offering some of the most updated and industry-designed certification training programs in the domains of DevOps, Cloud, Containers and more technologies.

Our blended learning approach combines online classes, instructor-led live virtual classrooms, and project work. We help professionals make the right career decisions, provide extensive hands-on projects and offer industry-recognized certifications. We also assist corporate clients to upskill their employees and keep them in sync with the changing technology and digital landscape.

Pre-requisites

Objectives

Code with Content

   sudo pupet resource service puppet
   service { 'puppet':
		ensure => 'stopped',
		enable => false,
	}
   sudo puppet parser validate puppet-service.pp 
   sudo puppet apply puppet-service.pp
					

We currently do want to use the Puppet agent. This can run as a daemon service so we should check that it is both stopped and disabled.

The notify resource type can be used to send a message to the agent log or screen if being used interactively. This makes a great and simple first manifest.

Code Only

   function linkify( selector ) {
      if( supports3DTransforms ) {

        var nodes = document.querySelectorAll( selector );

        for( var i = 0, len = nodes.length; i < len; i++ ) {
          var node = nodes[i];

          if( !node.className ) ) {
            node.className += ' roll';
          }
        };
      }
    }

    sudo puppet parser validate helloworld.pp
    sudo puppet apply -e "notify { 'Hello World': }"
					

Table with Content

IDEs or integrated Design Environments can help with styling. We use the text editor VIM in this course. Even this through can help with styling. It is easiest to install the required elements using a Puppet Module.

Although this manifest is very simple we should get in the habit of validating code as we create it. Helping to keep our code robust and healthy.

Table Only

Image with Content

www.DevOpsSchool.com

IDEs or integrated Design Environments can help with styling. We use the text editor VIM in this course. Even this through can help with styling. It is easiest to install the required elements.

Image Only

www.DevOpsSchool.com

Video with Content

Puppet is an open source configuration management tool used to automate infrastructure, distribution, and security. Puppet system helps administrators in full centralized control.

Video Only

Ordered List

1. Lifetime access to learning materials.
2. Lifetime technical support.
3. 15 years + experienced trainer.
4. Quiz for each tool.
5. Real time scenario based projects with standard evaluation.

Unordered List

• Lifetime access to learning materials.
• Lifetime technical support.
• 15 years + experienced trainer.
• Quiz for each tool.
• Real time scenario based projects with standard evaluation.

Quotes

“Technology is dominated by two types of people: those who understand what they do not manage, and those who manage what they do not understand.”

“Computers make it easier to do a lot of things, but most of the things they make it easier to do don't need to be done.”

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Reference

Appendix

DevOpsSchool Community Networks

These platforms provide you the opportunity to connect with peers and industry DevOps leaders, where you can share, discuss or get information on latest topics or happenings in DevOps culture and grow your DevOps professionals network.

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