Wednesday, March 30, 2016

What is DevOps ?



DEVOPS( DEVELOPMENT & OPERATIONS)

Different Definitions about DevOps:
- DevOps is a movement of people who think it's time to change in the IT Industry - Time to stop 
  wasting money & start delivering great software and building systems that scale and last long.
- DevOps is a Cultural Shift or Movement or practice that emphasizes the Collaboration and  
  Communication of both Software Developers and Operations teams while automating the process of   software Delivery and Infrastructure changes.
- DevOps is the blending of tasks performed by a company's application development and Systems
  Operations teams.
- DevOps is all about trying to avoid that epic failure and working smarter and more efficiently at the   same time. It is framework of ideas and principles designed to foster cooperation, learning and  
  coordination between development and operational groups.

What Does Development team wants ? What Does Operations Team wants ?
Development team wants Changes to be pushed to Higher Environments.
Operations teams wants Stability of the Environments.
For Deployment of any software, we need the Dev & Ops teams to work together.


DevOps Life Cycle?
DevOps starts with requirements from Customers regarding New Functionality, any change or upgrade needed.
Business Owners: 
Business Owners wants to Provide the Developers with the Changes or Upgrades the customers wants or that helps their business to develop by new features or functionalities to the softwares or websites.
Development:
Development teams works on writing new code/ new changes/ changes to existing code and pushing the changes to SCM & Later Build and Deploy to target higher Environments.
Testing:
Testing teams works on finding out bugs, errors associated with the Deployed Code to the higher environments like Integration, UAT, Perf etc., - All these tests are automated by using different automation softwares such as JUnits for Unit Testing, Web browser automation testing using Selenium etc., Stress Testing using HP Load Runner, Gatling etc.,


Some Video Links about DevOps:

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