Speed Up Development With OpenShift

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Presentation from South East Linux Fest 2014 (SELF) on how to use PaaS as a developer to concentrate on development instead of infrastructure

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  • Personal Introduction
    How many knows of OpenShift
    People's background (Devs/Ops)
  • Speed Up Development With OpenShift

    1. 1. SouthEast | LinuxFest LINUX IN THE GNU/SOUTH Speed Up Software Development A introduction to PaaS and OpenShift for developers By Peter Larsen Red Hat Solutions Architect plarsen@redhat.com / peter@peterlarsen.org
    2. 2. June 2014 SELF 2014 | peter@peterlarsen.org 2 About MeAbout Me ● I work at Red Hat (plarsen@redhat.com) ● Have used Linux since “forever” - approx '93 ● Worked in IT for almost 30 years ● Started programming on Mainframes (yeah, I'm old) ● Worked as consultant, architect, developer, DBA, system administrator, “storage guy”, data center planning etc. ● My Job is to talk about Open Source technologies Yup! They pay me to do that!
    3. 3. June 2014 SELF 2014 | peter@peterlarsen.org 3 Developer ScenariosDeveloper Scenarios ● Get Great Idea ● Convince Boss that it's a good idea – or get resources to do it the Open Source way (get hardware etc) ● Install OS ● Install Application Server software (Java, JBoss, Tomcat, Apache, PHP, Ruby, Python etc) ● Configure server to fit needs – Add DB, LB, Failover etc. ● Start coding (unless you are now so frustrated that you don't care).
    4. 4. June 2014 SELF 2014 | peter@peterlarsen.org 4 After you get startedAfter you get started ● Defining a consistent build system ● Creating/using source repository with git or similar SCM ● Executing test scenarios ● Making predictable deployments
    5. 5. June 2014 SELF 2014 | peter@peterlarsen.org 5 What is this DevOps thing?What is this DevOps thing? Operations Development Business Needs DevOps Development Business Needs Operations Collaboration, Process Automation & Communication Market Demand Competitive Advantage Time to Market Agility Quality Assurance IT Investment Security Availability Governance & Control Long term stability Operating Cost Standardization New Application Features Development Speed Fast release cycles Ease of Deployment Test Infrastructure Development Infrastructure Process Alignment Collaboration Lifecycle Management Time to Market Business Agility Improved Quality Automation
    6. 6. June 2014 SELF 2014 | peter@peterlarsen.org 6 Introducing containersIntroducing containers ● Based on known “templates” of system configurations ● Instantiate in seconds ● Maintain a template – update all instances ● Much simpler than a Virtual Machine (VM) ● Just as secure if not more as a VM ● Light weight – can run a lot more on the same hardware vs. a hypervisor with VMs
    7. 7. June 2014 SELF 2014 | peter@peterlarsen.org 7 RHEL Red Hat Enterprise Linux Node Public / Hybrid / Private / Virtualization / Bare Metal DEVELOPER USER GIT/SSH cron logs sshd HTTP/S MY GEAR Broker (RHEL) Node (RHEL) Node (RHEL) REST Web Console Eclipse IDE Cmd Line SELinux GEAR jenkins Maven CGroups OpenShift ArchitectureOpenShift Architecture MyApp Code Git Repo php Jenkins MySQL
    8. 8. June 2014 SELF 2014 | peter@peterlarsen.org 8 Innovation Stabalization Innovation Stabalization OpenShift Origin OpenShift Online OpenShift Enterprise Apps Portability Open Source Community Project On-demand Service Operated by Red Hat at OpenShift.com Commercially Supported “On Premise” Version OpenShift VersionsOpenShift Versions
    9. 9. June 2014 SELF 2014 | peter@peterlarsen.org 9 From 0 to 60 in 5 secondsFrom 0 to 60 in 5 seconds ● rhc app create coolapp php-5.4 mysql-5.5 ● cd coolapp ● add/edit some files ● git add . && git commit -am “First version” ● git push ● Point browser to application on web ● DONE
    10. 10. June 2014 SELF 2014 | peter@peterlarsen.org 10 Jenkins controlJenkins control ● Associate with Jenkins for Continious integration ● rhc app create jenkins ● rhc cartridge add -a coolapp -c jenkins (or add “--enable-jenkins” when creating the gear) ● When pushing code Jenkins executes and controls build
    11. 11. June 2014 SELF 2014 | peter@peterlarsen.org 11 How to install/get startedHow to install/get started ● Go to http://openshift.com and get started for free ● Install your own: Fedora or CentOS are good starting grounds http://openshift.github.io/ https://install.openshift.com ● Workstations need “rhc” - an easy rubygem install (rubygem install rhc)
    12. 12. June 2014 SELF 2014 | peter@peterlarsen.org 12 CartridgesCartridges ● Cartridges are the “templates” of OpenShift ● http://openshift.github.io/documentation/oo_cartridge_developers_gu ● Uses yaml metadata to describe cartridge
    13. 13. June 2014 SELF 2014 | peter@peterlarsen.org 13 SouthEast | LinuxFest LINUX IN THE GNU/SOUTH Demo time
    14. 14. June 2014 SELF 2014 | peter@peterlarsen.org 14 SouthEast | LinuxFest LINUX IN THE GNU/SOUTH Thank You Slides available: http://slidesha.re/1wi5wxa

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