Achieving Fast IT With Continuous Delivery

Transcription

1 Achieving Fast IT With Continuous Delivery Nicholas Pace Chief IT Architect Cisco Systems

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3 Fast IT is Adaptability to changing business needs Informed decision making Measurable results Leveraging people, process, and technology to increase productivity Continuous Delivery. TECHNOLOGY Image: (Public Domain)

4 Continuous Delivery and DevOps in IT Continuous Delivery is s-s-s-scary! Because change is scary Because the unknown is scary Image: (Licensed Under Creative Commons)

5 Continuous Delivery and DevOps in IT Continuous Delivery is s-s-s-scary! Because change is scary Because the unknown is scary If it s painful, do it more often! Develop IT capabilities like software Decompose the problem space Treat infrastructure as code Automate almost everything Remember Conway s Law Architectures reflect organizational structure. Image: (Licensed Under Creative Commons)

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7 TASKS DEFECTS CODE TEST RESULTS FEEDBACK FEEDBACK CODE RESULTS CONTINUOUS DELIVERY BLUEPRINT CODE REVIEW GERRIT CRUICIBLE SOURCE CONTROL DISTRIBUTED GIT/STASH MERCURIAL CENTRALIZED SVN CLEARCASE PERFORCE SEARCH PATTERN INSIGHT FISHEYE 4B CODE 4A CONTINUOUS INTEGRATION STATIC ANALYSIS COVERITY PMD FINDBUGS JTEST JENKINS BAMBOO TEAMCITY CRUISECONTROL 7 8 CI SERVER EXECUTION 5 BUILD TOOLS UNMANAGED ANT MAKE MANAGED GRADLE MAVEN ELECTRIC CLOUD PUBLISHED ARTIFACTS INSTRUMENTATION 6 DEPENDENCIES 11 9 SUPPORT LEGEND ENGIT SUPPORTED ENGIT PLANNED COMMON ALTERNATIVE ARTIFACT REPO ARTIFACTORY NEXUS 12 RELEASE TEST AUTOMATION IDE ECLIPSE NETBEANS VISUAL STUDIO 3 JUNIT TESTNG NUNIT UNIT INTEGRATION SELENIUM SPOCK/GEB REPORTING SONARQUBE REQUIREMENTS RALLY JIRA 1 ALM 2 CODE COVERAGE CLOVER EMMA UAT SELENIUM JMETER LOADRUNNER 10 DEFECT TRACKING RALLY JIRA 13 DEFECTS

8 Challenges for a Large Enterprise Cultural Change Employ an educational campaign Inspire by example Remove the training wheels (Don t be afraid to fail & fail early) Technology Transformation The problem of choice simplify it Fighting the decisions of the past Not a silver bullet Position Yourself for Success Continuous delivery is a journey Leverage your strengths & acknowledge your weaknesses Be pragmatic - SMART. Image: (Licensed Under Creative Commons)

9 Achieving Mindshare Think pervasively Management and individual contributors Eye on the prize Beware of scope creep Demonstrate benefit Socialize Success and failure. Image: (Licensed Under Creative Commons)

10 Dealing With Legacy IT assets are not a fine wine Mind your technical debt Agility means rework more often, but less rework overall Get vendors on board Get customers on board Last resort: Isolate and confine the problem areas. Image: (Licensed Under Creative Commons)

11 Being Pragmatic Take one step at a time Your adoption strategy should exercise the same principles you intend to embrace Test the waters Develop your own blueprint (or use others ) Get your bearing using a maturity matrix Image: (Public Domain)

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13 Meshing Operations and Continuous Delivery Build cross-functional teams And sidestep Conway s Law Artifacts become the handoff Create a pipeline of work Employ build promotion Goal: Every build is deployable No last-minute tweaks before release Deploying COTS? No problem! Skip code compilation Include everything else. Image:

14 Considerations for Successful CD Adoption Image: (Licensed Under Creative Commons) Organizational Structure Cross-functional teams improve communication Software Architecture Dependency Injection Microservices Feature toggles Infrastructure Capabilities Virtualization, SDN, Cloud Development Platforms Pick tools for productivity, not just coolness Gamification to increase productivity Work environment fun = good Work itself fun = better COTS Applications CD is not just for software development.

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16 Cisco Services Technology Group Embracing Continuous Delivery to develop custom solutions for customers Project Falcon: Multi-year improvement effort since FY14 Training and certification program members trained $4.1M FY14 savings in productivity enhancements $8.1M FY14 return on investment.

17 Cisco Meraki: Make a Wish Feature Request Cloud infrastructure Automated deployment Work area status displays < 30 min to deploy change. See also:

18 Corporate IT IT Delivery Transformation Accelerator Holistic technology, process, and culture change Jenkins CI central aspect Graduated certification program.

19 Questions?

20 Thank you.