Greasing The Wheels
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This document discusses how cloud techniques can be used to reduce friction in software development. It identifies common problems in development such as estimation, quality, and communication. Problems in deployment include packaging, configuration, and testing. Runtime issues include monitoring, availability, and deploying patches. The cloud aims to simplify development and deployment through automation, flexible quality of service levels, and usage monitoring. Benefits of the cloud include push-based deployment, standardized configuration, multi-tenancy, and simplified runtime support. The document advocates exposing software components through RESTful APIs to control their lifecycle and integrate with cloud services.
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Greasing The Wheels
- 1. GREASING THE WHEELS Engineers Ireland January 18th 2012 Aman Kohli http://linkedin.com/in/kohlia
- 3. SOME PROBLEMS DURING DEVELOPMENT Setting Expectation Estimation Quality Communication Maintainability
- 4. PROBLEMS DEPLOYING Making packages available to deployment groups Installing the packages ConïŹguring packages with runtime environment parameters Smoke Testing to Ensure Installation works
- 5. PROBLEMS AT RUNTIME Monitoring usage at runtime Resource monitoring Adjusting to new usage patterns Deploying patches Stabilising releases Allowing multiple users to use same infrastructure
- 6. CAPACITY & AVAILABILITY PROBLEMS Components may fail Components may become overloaded and slow to respond Network connections to components may not be reliable
- 7. Using Cloud Techniques To Remove Friction From Software Development
- 8. Cloud Characteristics Deployment and Provisioning Quality of Service Runtime Usage Monitoring Software Development Development Process Production Management
- 9. Deploying and Provisioning Automated - API and tool driven Agile Device and Location Neutral
- 11. Flexible QoS Qualities of Service - Scalability - Availability - Reliability APIs to set and conïŹgure levels Tailored and Flexible
- 12. Usage Monitoring diagnostic, billing
- 13. Cloud drives towards Simplicity via simple APIs and automation
- 14. Cloud gives runtime and deployment Predictability
- 15. SOFTWARE DEVELOPMENT DEVELOPMENT PRODUCTION PROCESS (ALM) MANAGEMENT
- 16. SOFTWARE DEVELOPMENT DEVELOPMENT PRODUCTION PROCESS (ALM) MANAGEMENT release planning installing + conïŹguring development + unit testing supporting released software acceptance testing maintaining live systems packaging/bundling for release
- 17. DEVELOPMENT PROCESS Agile address the points of friction in the process
- 19. PRODUCTION MANAGEMENT Cloud offers solutions to these production issues
- 21. PUSH BASED DEPLOYMENT Packages are pushed when ready to deploy Deployment engine is automated Will unpack, install and conïŹgure Will bring online
- 22. PUSH BASED DEPLOYMENT Automated ConïŹguration ïŹles standardised User error reduced ConïŹguration errors reduced
- 23. DEPLOYMENT $ git push -f heroku heroku uses git - a cloud based SCM - for deployment
- 24. DEPLOYMENT $ vmc push cloudfoundry can be used for on-premises or off- premises clouds agent notiïŹed for deployment
- 25. WHY IS THIS BETTER? âą Limit Installation User Error âą Automated means repeatable âą Deployed artefacts fully traceable to underlying source
- 26. STANDARDISED CONFIGURATION Deployment tools substitute runtime environment details for data sources, messaging end-points
- 27. RUNTIME SUPPORT AND MAINTENANCE multi-tenancy multi-version monitoring and alerting QoS
- 28. PRODUCTION MANAGEMENT push model for deployment standardised conïŹguration ïŹles multiple deployed versions and multi-tenancy allow easier support and maintenance
- 29. CLOUD APIS Custom Code Familiar Middleware and Data Sources Simple Provisioning Environment Powerful Comprehensive Runtime Environment APIs for Everything Restful APIs
- 30. FOLLOW THE PATTERN A set of Restful APIs for your software components, to control their lifecycle, gather usage.
- 31. THANKS!
Hinweis der Redaktion
- Thanks for attending. About this presentation:\n- tough topic \n- dev and cloud \n\nAbout me: I am mobile architect with Citi, I was a cloud architect at HP \n\nThis is not about the business case for cloud, nor a sales pitch. It is about the technical aspects.\n\nSome people think of the cloud as an operating system with it’s specific APIs and deployment, runtime behaviours.\n \n The advantages of Cloud computing are usually thought of as runtime/deployment advantages and programming API level advantages.\n \n\n
- First UP \n\nSome points of friction - \nDuring Development\n\ndeploying\nconfiguring\ndealing with runtime issues (unavailable services, overloaded services)\nmonitoring\n\nWHAT Are some of your pain points?\n
- laundry list of friction points - not exhaustive! \n\n\n
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- Clearly cant talking about addressing all these issues, but will show how, in general, alot of these can be resolved\n\n\nSo far -dev problems\nNOW - Cloud overview\n\n\n \n\n
- + more: reliability, performance, cost (opex vs capex) \n
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- API - convention\nrest based\n \n\n
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- Ultimately \nCloud is the drive towards simplicity\n\n\n
- Predictability - the advantage of agile development and cloud\nWe can use cloud (+Agile) to remove hope from software releases:\n- I hope the release works\n- I hope the deployment works\n\n
- What’s involved in Software dev?\n
- What’s involved in Software dev?\n
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- talk about push advantages - allows automation and not waiting for \ncloudfoundry and heroku approaches.\n\nmulti deploy versions and multi-tenancy : how does this help? \n- multi deploy allows you to limit releases and bed them in\n- gradually spread usage of release as it becomes more stable\n\n
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- Talk about heroku and cloudfoundry\nmulti language\n\n
- Talk about heroku and cloudfoundry\nmulti language\n\n
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- types of resources and files \nallow tools to configure runtime values\n\n
- multi-tenancy - multiple users share the same runtime\n multi-version - multiple software versions deployed and used simultaneously\n monitoring and alerts when QoS expectations breached\n allows releases to stabilise and bed in\n migrate more users to stable release\n
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- apis are the advantage of cloud\nreduce integration cost + time\n\n
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