Intro to devops - Begin with End in Mind

Begin with End in Mind :Intro to DevOps

by Laavanya Kathiresen

A Little Intro ……..

DevOps here, DevOps there….What is it ??

eweek.com

Wall of Confusion


eweek.com


newrelic.com

DevOps Culture

MovementPhilosophy

Community

CollaborationMulti-disciplinary

QualityRepeatability

Reliability

AutomationLean

Metrics / MonitoringSharing

Tools

AutomationAnything which needs to be repeated HAS to be AUTOMATED!

Example : ➔ Testing➔ Deployments

◆ Continuous Deployment ➔ Infrastructure aka “Infrastructure as code”

◆ Provisioning ◆ Configuration Management

➔ Development environments

Don’t automate things you don’t understand or validate

Tools for Automation

Measurement & MetricsOnly with metrics, you know where to improve!

Metrics are your feedback data.

Sample metrics: ➔ Number & Frequency of Software Releases➔ Deployment time➔ Number and cost of resources➔ Cost of release➔ Defect rates in production

MonitoringMonitoring is usually an after-thoughts. Do not release in production until there is monitoring!

Monitor all environment. Learn from changes in your dev. environment

Types of monitoring : ➔ Infrastructure monitoring

◆ CPU load time◆ Memory

➔ Application level monitoring◆ Performance

Tools for Monitoring

Time to get hands-on :Vagrant +

AWS

Summary : What are the benefits?

➔ More frequent software releases➔ Less errors in production➔ Faster ramp up for development team➔ Faster resolution to problems➔ More stable environments ➔ Happier team and management!

…. The list can go on….