infrastructure automation with chef

www.reancloud.comSeptember 23, 2016

Cloud Participates at DevOps Summit, Pune

Speaker: Uchit Vyas

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Infrastructure Automation with Chef

By: Uchit Vyas (Cloud Architect)

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Uchit’s Introduction

• Working @ REAN Cloud, India• Infrastructure Automation Domain• Authored 4 books on Cloud with the following titles & counting:

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Code Infrastructure

Infrastructure Code

Infrastructure AS Code

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Building and Managing

Infrastructure Programmatically

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At High Level

A Custom Library A Configuration Management Platform A System Integration Platform Fine-grained API for Infrastructure Fine-grained API and Auditing

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Chef Principles

It’s a Language Idempotency Managed State of Infrastructure Reasonability

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Chef with Automation

Infrastructure

Deployment

Provisioning

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Infrastructure-as-Code: Chef Configuration of your Servers Versioning Capability Managed Source-code Managed CM as Idempotent Resources

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Chef Components

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Managing Complexity

Organizations Environments Roles Nodes Recipes Cookbooks Search

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Chef: Develop, Test and Deploy

Image source: https://docs.chef.io/chef_overview.html

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Chef-client RunWhile initiating chef-client execution, it executes all steps to bring the node into the expected end state, including:

Registering/Re-registering and authenticating the node with the Chef server

Building the node object Synchronizing cookbooks from chef-server by validating

associated roles and cookbooks for given node Compiling associated resources by loading each of the required

cookbooks, including recipes, attributes, libraries and all other dependencies

Performing the appropriate and required actions to configure bring the node into expected state

Looking for exceptions (if any) and notifications, handling each as required by the logic

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Chef-Client Run

Image source: https://docs.chef.io/chef_overview.html

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It’s All Rubyhttp://wiki.opscode.com/display/chef/

Just+Enough+Ruby+for+Chef

“Just Enough Ruby for Chef”

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