Intro to DevOps

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Intro to DevOps

Intro to DevOps

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Intro to DevOps Intro to DevOps Presentation Transcript

  • “DevOps is an approach to collapse the barrier between the Development and the Infrastructure (orOperations) Team”.The dependency between the Development and the Infra Team is a common scenario in any realtime Project. More than the “dependency” its the “time” that’s the “worry factor”. Request for a VM – CentOS, Oracle 11i, 4gb RAM, 250gb free space Min 4-6 weeks with Approvals, Procuring Licence and finally handing over Time is the Biggest Worry Factor – With Agile Mode 4-6 weeks waiting time is COSTLY
  • • Fear of Change - application being brittle and vulnerable might break or go down• Risky Deployments - pray and push the code quietly to PROD and get a sense of relief• Developer Mindset – “It works fine on my system”• Isolation and Splitting of Teams - divides the Team into “us and them”• Battle between SysAdmin and developers
  • • Based on the activities, being performed, at a very high level it might look as if, “this is what the sysadmin does!!”. But the answer is NO. There are a lot of other things done by the DevOps.• There is a nice article that talks about this Debate DevOps vs SysAdmin. DevOps SysAdmin
  • scalability at service level is the need of the hour!!
  • • Eliminate risk of change• Enable live user tests and data-driven design choices• Self-service deployments through tools and automation• Monitoring made easy• Infrastructure Renaissance• Agile SysAdmin• Infrastructure Coders• SysAdmin Coders
  • • Requesting for a VM or generating a VM on the fly dynamically. To facilitate this a GUI can be made available to a Developer :• Once the above details are filled a Manifest File is created to spin-off a VM on the fly• Similarly for replicating multiple cloned server open source tools like Puppet, Chef can be used. In case of Puppet, a declarative scripting or coding is required for cloning multiple servers
  • • Vmware’s vFabric• Cloud Foundry• …many more!!• Heroku• Puppet• Chef• Cobbler• AppDynamics• Asgard• Open Stack
  • • Time-to-value is much shorter because IT cycle time is greatly reduced• Software features are released more quickly and regularly• Releases are stable and predictable• Faster implementation and better quality• Reduce and eliminate wasteful deliveries• Collaboration between your development and IT operations teams• Easy and faster access to new features and business functionalities• Accept changes in smaller, granular and manageable portions• Less disruptive upgrades -> take less time -> low cost -> require fewer resources• Better visibility of the features for the next release• Better change management in the environment
  • • ”The DevOps movement is characterized by people with a multidisciplinary skill set - people who are comfortable with infrastructure and configuration, but also happy to roll up their sleeves, write tests, debug, and ship features”• “This, of course, has a positive effect on the bottom line - better reliability and availability, happier clients, faster time to market, and more time to focus the teams energy on core business rather than wasteful administration and firefighting”• Another important thing to note “DevOps is a not a Technology Problem, it’s a Business Problem”PN : Quotes are from one of the articles mentioned in the Reference Links Slide
  • For most of the slide contents the following Links were used as Bible : • What Is This Devops Thing, Anyway? • The Rise of DevOps • Wikipedia on DevOps • http://dev2ops.org/blog/2010/2/22/what-is-devops.html • DevOps 101 • http://theagileadmin.com/what-is-devops/ • http://www.slideshare.net/adrianco • http://perfcap.blogspot.in/2012/03/ops-devops-and-noops-at-netflix.html • http://www.slideshare.net/geekle/devops-5348895 • http://www.slideshare.net/gheavyside/devops-at-accu-2012 • http://www.slideshare.net/jweiss/infrastructure-automation-withchef • http://www.slideshare.net/carlossg/from-dev-to-devops-fosdem-2012 • http://www.slideshare.net/launchany/getting-started-with-heroku
  • Pritiman Panda 12