Continuous Integration and Deployment on Rational Development and Test Environment for z Systems
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Richard Brunkhorst presented on using Rational Development and Test Environment for z Systems (RD&T) to enable continuous integration and deployment for mainframe applications without requiring a physical mainframe. The demo showed using RD&T, Rational Developer for z Systems (RDz), and Rational Team Concert (RTC) for continuous development, building, and testing. UrbanCode Deploy (UCD) was used for continuous deployment to RD&T. The demo featured modifying a CICS application to use a DB2 database instead of VSAM, with code changes developed and tested on RD&T before deployment.
Continuous Integration and Deployment on Rational Development and Test Environment for z Systems
- 1. DEZ-3478: Continuous Integration and Deployment on Rational Development and Test Environment for z Systems Richard Brunkhorst RD&T Development Team Lead
- 2. Abstract How do you do DevOps for z without requiring z (hardware) for the initial phases of development? By coding, testing, and deploying on Rational Development and Test Environment for System z (RD&T), users are able to develop using the DevOps lifecycle without impacting their production mainframe environments. This session focuses on the use of UrbanCode Deploy (UCD) to deploy to an RD&T target. It will feature a demo that includes Rational Developer for z Systems (RDz) and Rational Team Concert (RTC) to develop, build, and test on RD&T, and uses UCD to deploy to a test area on Rational Development and Test Environment for z Systems in preparation for formal QA.
- 3. Agenda • Acronyms used in Presentation • Why does Continuous Integration Matter? • Traditional mainframe development work flow • Demo development work flow using DevOps model • DevOps Model & Demo Focus Points • Maintenance Scenario used for demo • Demo Presentation • Summary • Q&A
- 4. Acronyms • UCD – UrbanCode Deploy: A tool for automating application deployments through your environments. • RD&T – Rational Development and Test Environment for System z: A Linux based platform that emulates z Hardware and allows users to run z Software stacks (z/OS, z/VM) on an Intel based platform. • RDz – Rational Developer for z Systems: A modern IDE for productive development of cross-platform applications written in COBOL, PL/I, ASM, Java, or C/C++ in System z CICS, IMS, DB2, Batch applications • RTC – Rational Team Concert: A team-aware software development platform that integrates work item tracking, builds, source control, and agile planning. • CLM – Collaborative Lifecycle Management: A solution that delivers requirements management, quality management, change and configuration management, and project planning and tracking capabilities on a single platform. • SCM – Software Configuration Management:
- 5. Why does Continuous Integration Matter: Key Trends in Development Today • ManagingApplications & Infrastructure TOGETHER • Use of Hybrid Cloud environments • Adoption of DevOps practices • Growing use of Services • Flexibility in Cloud application delivery –Containers, Virtual Machines, Cloud Foundry • “Multi-Speed IT”- DevOps includes the Mainframe
- 6. The need: Integrate systems of engagement with systems of record Systems of Engagement (SoE) Apps Rapid Releases AppStore Monitor and Optimize Release and Deploy Develop and Test IntegrationTest 6 Monitor and Optimize Develop and Test Web Apps Frequent Releases Production Environment Databases Systems ofRecord (SoR) Apps Fewer Releases Databases By bringing together the culture, processes, and tools across the entire software delivery lifecycle – spanning mobile to mainframe platforms
- 7. Change Request Opened Implement Change •Developer Checks code out from SCM •Developer implements change •Developer checks code into SCM Build •Developer Requests a build •Build is queued •Build is run during non- peak hours Stage for test •Load modules moved to test area Test •Manual testing performed on application •Automated testing performed on application •Defects identified Approval for next stage •Approved for next state of testing or for production Stage for production •Load modules moved to production area Traditional Mainframe Development Workflow Mainframe Environment
- 8. Change Request Opened Implement Change Build Stage for test Test Approval for next stage Stage for production Application Moved to RD&T •UrbanCode Deploy copies Application code from production Implement Change •Developer Checks code out from SCM •Developer implements change •Developer checks code into SCM Build •Developer builds changes on demand •Automated Test Cases are run •Defects Identified •Package Created Deploy •Package deployed on demand for function testing •Automated tests & analysis are run on deployed modules •Failed tests/analysis flagged on deployment Test Cycle •Manual Testing of application code •Automated Testing of application code •Defects Identified Stage for moving to Mainframe Demo Development Work Flow Mainframe Environment RD&T Environment
- 9. DevOps Model & Demo Focus Points 99 Continuous Customer Feedback & Optimization Continuous Release and Deployment Continuous Monitoring Continuous Business Planning Continuous Testing Operate Develop/ Test Deploy Steer DevOps Continuous Feedback • Continuous Integration is achieved by using Collaborative Development & Continuous Testing via: RD&T, RDz, & RTC • Continuous Release and Deployment via: UCD, RTC, & RD&T Collaborative Development
- 11. Maintenance Scenario • There is an existing CICS application used for calculating mortgages • The CICS application uses a VSAM file for application data • There is a new requirement to have the CICS application use a DB2 database instead of a VSAM file
- 12. Video Demo
- 13. Checkpoint #1 – RD&T Environment is primed for Development UrbanCode Deploy - Deployment to RD&T
- 14. Checkpoint #2 – Developer has implemented change and is ready for building RDz + RTC Workbench – Developer has checked in new change set
- 15. Checkpoint #3 – Developer has built and packaged a new change set and is ready for deployment RTC Build Results – Build results with integrated zUnit Results
- 16. Checkpoint #4 – Package has been deployed and ready for function test UCD – Deployment results with zUnit + Code Coverage steps
- 17. Demo Highlights • With the use of RD&T, code development, unit test, and function test can be offloaded from the mainframe to the RD&T platform. RD&T has the capability of running the same software stack as the mainframe. • With the use of RDz, developers can perform program analysis, make source code changes, and debug from a modern development environment. In addition RDz provides quality analysis tooling that can integrate into the build and deployment processes. • RTC provides work item tracking, builds, and source control. It also has the capabilities for custom post-build processing (automated running of zUnit and Code Coverage) and reporting features allowing users to gain insight into the quality of builds being produced. • UCD provides deployment management, allowing deployable packages to be moved between environments. It also has the capabilities for custom deployment process, allowing the use of analysis tooling integrations (zUnit and Code Coverage), which can give users insight into the quality of the deployment packages being produced
- 18. Q&A
- 19. Resources • Rational Development and Test Environment for System z: http://www-03.ibm.com/software/products/en/ratideveandtestenviforsystz • Rational Developer for z System: http://www-03.ibm.com/software/products/en/rational-developer-for-z- systems • Collaborative Lifecycle Management: https://jazz.net/products/clm/ • Rational Team Concert: https://jazz.net/products/rational-team-concert/ • UrbanCode Deploy: https://developer.ibm.com/urbancode/products/urbancode-deploy/
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