2. What Is DevOps?
DevOps is "a portmanteau of 'development' and 'operations'" and is "a software development method that stresses communications, collaboration, integration, automation and measurement of cooperation between software developers and other IT professionals"
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3. DevOps integration targets product delivery, quality testing, feature development and maintenance releases in order to improve reliability and security and faster development and deployment cycles.
The adoption of DevOps is being driven by factors such as Use of agile and other development processes and methodologies
Demand for an increased rate of production releases from application and business stakeholders
Wide availability of virtualized and cloud infrastructure from internal and external providers
Increased usage of data center automation and configuration management tools
Enable rapid evolution of products or services and Reduce risk, improve quality across portfolio, and reduce costs
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4. Roles of Devs and Ops Devs Ops Create Change Add Or Modify Features
Create Stability
Create or Enhance Services
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5. DevOps Principles
Develop and test in an environment similar to production
Deploy builds frequently
Validate operation quality continuously
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6. DevOps Life Cycle
The DevOps Lifecycle different? It can be look like this and It can be summed up with the acronym C.A.M.S.
C – Culture
A – Automation
M – Measurement
S – Sharing
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7. Culture
DevOps needs a change in attitude so shared ownership and collaboration are the common working practices in building and managing a service. This culture change is especially important for established organizations.
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8. Automation
Many business processes are ready to be automated. Automation removes manual, error-prone tasks – allowing people to concentrate on the quality of the service. Common areas that benefit from automation are:
Release management (releasing software)
Provisioning
Configuration management
Systems integration
Monitoring
Orchestration
Testing
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9. Measurement
Data can be incredibly powerful for implementing change, especially when it’s used to get people from different groups involved in the quality of the end-to-end service delivery. Collecting information from different teams and being able to compare it across former silos can implement change on its own.
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10. Sharing
People from different backgrounds often have different, but overlapping skill sets. Sharing between groups will spread an understanding of the different areas behind a successful service, so encourage it. Resolving issues will then be more about working together and not negotiating contracts.
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11. DevOps Lifecycle - Rapid Release Cycle with Strong Feedback Loop
Develop
Feed Back
Test
Develop & Test
Release & Monitor
Monitor
Deploy
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12. Why Gaps?
Dev View:
Mostly delivers features after testing in development systems
Dev systems may not be same as production system
Developers will have faster turn around time w.r.t features
Not much concerned about the infrastructural as well as deployment impact because of the code changes
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13. Why Gaps? Ops View: Worries more about PSR Rewarded mainly for uptime
Lesser turn around time w.r.t feature deployment and testing due to large number of dev builds coming their way
Very much concerned about the infrastructural as well as deployment impact because of the code changes
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14. Delivery challenges Release management:
Better understanding of risks, dependencies, compliance issues
Release/Deployment coordination
Better tracking of discrete activities, faster escalation of issues, documented process control and granular reporting
Release/Deployment Automation
Usually have existing automation but want to flexibly manage and drive this automation that can be invoked by non-operations resources in specific non-production environments
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15. Agile and DevOps Agile Development
Addresses the gap between customer requirements and dev + testing teams
Cross-functional teams to design, develop, and test features/stories prioritized by the PO (Customer)
Focuses more on functional and non-functional readiness
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16. Agile and DevOps DevOps
Addresses the gap between dev + testing and Ops
Automated release management
Focuses on functional and non-functional plus operational and business readiness
Intensifies reusability and automation
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