Chef and puppet - Speaker Deck

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Chef and Puppet Tuesday, September 3, 13

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Tonight’s plan • Why? • Underlying principles (abstraction layer gives us idempotency) • Examples of Chef and Puppet Tuesday, September 3, 13

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Why? Tuesday, September 3, 13 in the beginning was the script..

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Tuesday, September 3, 13 Anyone recognize this?

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Tuesday, September 3, 13 What happens if I need to switch to another cloud provider? AWS to Rackspace? What happens if I switch distributions? from CentOS to Debian? What if I need to upgrade my distribution?

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Tuesday, September 3, 13 I know, let’s build an intermediate layer!!!

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Tuesday, September 3, 13 What else can we get from an abstraction layer?

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idempotent • the system converges on a stable state no matter how many times chef or puppet have been run Tuesday, September 3, 13 idempotency

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Infrastructure as Code • repeatable • scalable • maintainable (VCS, code reviews, testable!) Tuesday, September 3, 13

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Reduce REUSE Recycle (slides borrowed from https://speakerdeck.com/ jamestyj/devops-puppet-and-chef Tuesday, September 3, 13

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Brief Interlude anatomy of chef and puppet runs Tuesday, September 3, 13

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Puppet Tuesday, September 3, 13

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Chef Tuesday, September 3, 13

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Not just chef and puppet Tuesday, September 3, 13

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Tuesday, September 3, 13 ansible, chef, puppet, cfengine, salt,...

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Credits • https://speakerdeck.com/jamestyj/devops-puppet-and-chef • https://speakerdeck.com/hsatac/diff-puppet-chef • http://www.opscode.com/chef/ • http://puppetlabs.com/ • http://docs.puppetlabs.com/learning/index.html • http://blog.aﬁstfulofservers.net/post/2011/12/30/cfengine-puppet- and-chef-part-3/ • https://en.wikipedia.org/wiki/ Comparison_of_open_source_conﬁguration_management_software • http://docs.opscode.com/essentials_nodes_chef_run.html Tuesday, September 3, 13

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Get to know me! • software developer (Ruby, Rails, C, etc) • http://blog.jonathanrwallace.com/about • [email protected] • @jonathanwallace Tuesday, September 3, 13 tweet out the slides