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DevOps Concepts

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Agenda • Background – Traditional and new Age development methodologies.

• Understand basics of DevOps – concept • DevOps building blocks – tools and technologies 1. Introduction to industry leading DevOps tools. • DevOps Benefits • Best practices to adopt DevOps 1. Dos and Don’ts of DevOps

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Who should Opt - some Prerequisites ●Target Audience: •

Everyone linked with Information technology, The Leadership team, software developers, Operations support team, etc.

●Good to have: •

Basic understanding of Application development methodologies – waterfall, Agile and similar.

Basic understanding of Testing methods- Unit testing, functional testing, UAT etc.

Network management and network security basics.

Infrastructure, environment management basics.

Coding standards, code build basics.

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What is DevOps? • DevOps Culture • Agile and DevOps – hand in hand • DevOps building blocks: •Code •Build •Test

Communication

Collaboration

Integration

Automation

Development Team

•Packaging •Release management •Configuration management •Application and Infrastructure monitoring Professional-Guru.com

Operations Team


Why DevOps ? • Development Vs Operations: Break down barriers enabling

o

• Trust and shared ownership • Encouraging collaboration • Accelerating innovation.

• Simplify & advocate “Agility” across the application life cycle management

• Measurable business benefits through integratable IT Process Management.

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According to Forrester, As IT organizations struggle to deal with the changing IT and business landscapes, the concept of DevOps (development + operations = DevOps) has been singled out by many as the way in which infrastructure and operations (I&O) can better work with other IT silos to benefit the business. Getting DevOps right will address many of the issues enterprises consistently have with IT, such as applications failing to meet both functional and nonfunctional requirements, delivery delays, increased costs, and an inflexibility to change. Success will require mastering six steps ▪ Change your change management. ▪

Communicate more often with the app dev group to increase its knowledge about Operations.

Consider app dev as “service dev.”

Understand and manage the diversity of views on IT delivery.

Integrate I&O’s mission statement with the business.

–Ref: Forrester Article “ Improving the Ops in DevOps”.


Deployment

Testing

Construction

Design

Analysis

Initiation

Traditional

Conception

Why DevOps

Increased Agility: To enable instant change deployment

Iteration 1

Iteration 2 DevOps – workflow automation

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Deploy

Test

Code

Design

Requiremen ts

Deploy

Test

Code

Design

Agile

Requiremen ts

Deliverables

Increased Quality: To improve end user satisfaction Improve Innovation To increase innovation cycle Reduced Outages Less outages in production (about 80% outages are change related)


DevOps in business • Ever-changing business needs • Quick to market requirement 1. Tight delivery deadlines

2. “The code works on my machine” – blame game 3. Disconnect bet’n Development and Operations team. 

Introduction of automation tools and DevOps processes

Cultural shift – initial resistance to change. Training and mentoring.

Win-Win situation Professional-Guru.com


How can we apply DevOps principles? Common goals of an enterprise DevOps practice

• Increased deployment frequency • Reduced lead time for changes • Faster recovery when problems occur • More robust and better integrated security • A “shift left” in quality – quality of code, testing, architecture, “deployability” and culture • Fast feedback loops and effective communication between teams and departments

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Concepts Agile development

Code

Build

Test

Integrate

release

Deploy

Operate

Continuous Integration

Continuous Delivery Continuous Deployment DevOps

Continuous Integration • Centralized Build process • Check Quality of build • Feedback Code Quality

Continuous Delivery • • •

Centralized Build process Check Quality of build Deployable

Process Quality

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Continuous Deployment

Centralized Build process • Check Quality • Deploy • Functional Test Quality


DevOps landscape DevOps is a term used to refer to a set of practices that emphasize the collaboration and communication of both ‘software developers’ and ‘Operations Support’ professionals while automating the process of software delivery and infrastructure changes. It aims at establishing a culture and environment, where building, testing, and releasing software can happen rapidly, frequently, and more reliably

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Industry leading DevOps tools • • • • • • •

Version Control system : SVN, GIT, TFS Code quality and test validation: Sonar, IntelliJ Build automation: Maven Continuous Integration and delivery: Jenkins, TeamCity, Bamboo, TFS Configuration management: Chef, Puppet, Ansible, Docker Application performance and monitoring (APM): Nagios, Zabbix Log analysis: Logstash, Elasticsearch Professional-Guru.com

introduction to DEVOPS  

Here's what you need to know about these two DevOps values. DevOps culture is characterized by increased collaboration, decreasing silos, sh...

introduction to DEVOPS  

Here's what you need to know about these two DevOps values. DevOps culture is characterized by increased collaboration, decreasing silos, sh...

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