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CloudOps Summit 2013, Frankfurt, 25.09.2013 Track 3 - DevOps by Robert Michel, IBM Deutschland
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Agile, ITITL, CloudHow DevOps brings it all togetherRobert Michel+49 (0)170 [email protected]
© 2013 IBM Corporation2
Agenda
• DevOps
– Challenges
– Principles
– Solution
• Q&A
Collaborative Development & OperationsDelivery challenges &Typical root causes
© 2013 IBM Corporation4
Why do we need DevOps? – 2 Examples
Customer 1 Customer 2
Situation• Complex J2E environment• Many interdependent components• New release every 1-2 months
Challenges• Change window on weekend too short• Each production deployment fails and
takes 1 week to get it running• Different deployment approaches:
• Test: fresh install• Production: upgrade install
Situation• 5+ test environments with
• Different OS versions• Different platforms (Linux, AIX)• Different J2E versions
Challenges• Time consuming defect determination• Performance test takes 2 months• No production relevant test results• Can’t test N-1
© 2013 IBM Corporation5
Typical question within complex IT-Organisations
• We are using agile development practices. Why does it still take months to release new applications?
• Why is there so much rework to do for every new release?
• Virtualization and Cloud are part of our infrastructure. Why does it still take so much time to provide a proper test environment?
• Why do we still have significant quality issues despite our testing guidelines and processes?
© 2013 IBM Corporation6
Code BuildRequirements
Reasons for issues
Design
Deploy Test
Change & Configuration Management
Deploy Test
Deploy Test
Deploy Test
System Test
Integration Test
Acceptance Test
Component Test
Production
• Staging and Testing require time and resources
• Approx. 1/3 to 2/3 of time is spent for setup and configuration
• Often different processes are used
• No consistent Configuration Management throughout different environments
• Knowledge kept within few individuals
Collaborative Development & OperationsAgile development and DevOpsDevOps principles
© 2013 IBM Corporation8
People
Process
Information
DevOps Principles & Values
• Collaborate across disciplines
• Develop and test against a production-like system
• Deploy frequently using repeatable and reliable processes
• Continuously validate operational quality characteristics
© 2013 IBM Corporation9
Continuous Feedback
“Shift-Left” – shifting operational concerns and processes earlier in the development lifecycle
Collaborate on the creation of reusable test environment patterns
Common tools for planning, tracking, and reporting application and infrastructure changes
IMPACTPredictable and accelerated software delivery
optimized around a production-like delivery pipe
Takes minutes / hours to deliver changes versus weeks/months
AgileDev
Design
Prioritize
Build
TestAgileOpsTest
Monitor
Publish
Deploy
Collaboration between Development & Operation
© 2013 IBM Corporation10
Delivery Pipeline
Code BuildRequirement Management
DevOps Focus – Delivery Pipeline
Design Deploy Test
Change & Configuration Management
• Complete Automation based on results of the previous steps
• Sourcecode• „Infrastructure as Code“• Patterns• Platform Configuration• Build Definitions• PackagingDeployment
Patterns
ConfigurationAutomation Delivery
Pipeline
Collaborative Development & OperationsConcepts and Solutions
© 2013 IBM Corporation12
Build Automation Deployment Automation Test Automation
Standardized, repeatable and automated „Delivery Pipeline“
Release Automation
Continuous Integration of source code Integrated Deployment Model Continuous Testing
Application Configuration Environment
Cloud = continuous provisioning and deprovisioning of test stages dependent on application versions to test.
Artefact Repository
DevOps – Capability View
© 2013 IBM Corporation13
DevOps – What do I need a Cloud for?
Layer Change Frequency
Application Config
Application
Middleware Config
Middleware
OS Config
OS
Hardware
Cloud Benefits
• Deploy often
• Control everything
• Recreate n-1 easily
• Provide standardized deployment patterns
DevOps without a Cloud = DeadOps
Cloud Automation
Deployment Automation
© 2013 IBM Corporation14
ITILAgile
DevOps – Process View
OperateDevelop Test
OperateDevelop Test
Agile
ITIL
• Separation of duty in silos
• No end-2-end visibility
• Limited information exchange & process interfaces
• Extend scope of agile principles and ITIL processes
• Linked data vs. Integrated data & processes
• Limited process changes necessary
• Restructured Roles & Responsibilities
(How do ITIL and Agile fit together?)
© 2013 IBM Corporation15
Benefits
– Faster implementation of business requirements• Shorter test cycles• Keep up with the dynamic of agile development
– Higher software quality
– Cleaner transition from development to production• repeatable• automated• auditable
Thank you!
Backup
© 2013 IBM Corporation18
Line of Business
DevOps – Related Themes and Tasks
Plan and Measure
Develop and Test
Release and Deploy
Monitor and Optimize
© 2013 IBM Corporation19
Line of Business
DevOps – Modular & Integrated Solutions
Rational Quality ManagerRational Test WorkbenchRational Test Virtualization Server
SmartCloud Control Desk
SmartCloud Application Performance Management
Rational Team Concert Jenkins
Rational Build Forge
uBuild
Rational Focal PointRational Requirements Composer
© 2013 IBM Corporation20
Agile Development and DevOps
Functional Testing
Acceptance Testing
Production
Gap
Development
Code
Operations
Business Services
Customers
Desire for fast and continuous
innovation
Line of Business
Requirements
