Using OpenShift PaaS
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This document discusses OpenShift, a Platform as a Service (PaaS) offering from Red Hat. It defines Infrastructure as a Service (IaaS), PaaS, and Software as a Service (SaaS) and explains why PaaS is useful. It describes what is supported on OpenShift including scaling applications. It also discusses how to get started with OpenShift including creating an account, installing client tools, setting up keys and domains, deploying and managing applications.
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Using OpenShift PaaS
- 1. Using OpenShift Platform as a Service Anuchit Chalothorn anuchit@redlinesoft.net Licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
- 2. Agenda ● What is OpenShift ? ● What is IaaS, PaaS, SaaS ? ● Why use PasS ? ● What's supported ? ● How much it cost? ● Getting start with OpenShift
- 3. What is OpenShift? OpenShift is Red Hat's Cloud Computing Platform as a Service (PaaS) offering. Code Deploy Enjoy
- 4. Kind of like Amazon, right? Nope
- 5. What is Infrastructure as a Services ● Network, Storage and Compute offered on-demand service ● Basically servers in the cloud ● You are still on the hook to config and manage the cloud & stack ● Example : Amazon EC2
- 6. What is Platform as a Services ● It's an application platform ● Basically, app runtime environment in the cloud ● PaaS configures & manages the Cloud & stack for you ● Example: OpenShift
- 7. What is Software as a Services ● It's an on-demand application ● Nothing to install and configure ● Example: Saleforce, Gmail
- 8. So, why should I use PaaS ● Realize the benefits of the cloud quickly ● Let the PaaS configure, manage & scale the stack ● Make deployment to the cloud easy ● Focus on your app & users not the stack
- 10. How much does it cost? ● Free 3 gears ● 512 MB RAM and 1GB Storage instance ● Need more resource just ask
- 11. Pricing*
- 12. What is gears? A gear is a resource constrained container that runs one or more user-specified software stacks, also known as cartridges. Each gear has a limited amount of RAM and disk space.
- 13. Scale easy
- 14. Estimate the needs and costs
- 15. Getting start with OpenShift
- 16. Getting start with OpenShift ● Get an account at openshift.com ● Create application ● Code ● Deploy Using OpenShift to manage your applications in the cloud
- 17. Create an account ● Goto http://www.openshift.com ● Sign up an account
- 18. Install client tools ● Ruby 1.8.7+ ● Git $ gem install rhc Client installation guide
- 19. Setup your keys and domain $ rhc setup
- 20. Show your domain info $ rhc domain show
- 21. List available cartridges $ rhc cartridge list
- 22. Create your application $ rhc app create <app_name> <cartridge> eg: create app with PHP 5.3 $ rhc app create myapp php-5.3
- 23. Add cartridge to your app $ rhc cartridge add -a <app_name> -c <cartridge> eg: add MySQL cartridge $ rhc cartridge add -a myapp -c mysql-5.1
- 24. Create scalable app $ rhc app create -s myapp php-5.3 the "-s" is for scale, some cartridge may not scale you should check in the web console.
- 25. Scale configure OpenShift provide automatic scaling but you can use a manual scale to fit for need. $ rhc cartridge scale <cartridge> -a <app_name> --min <min_gears> --max <max_gears>
- 26. Deploying your application Each app has it own git repository. You can clone, merge, push or pull your code from the repository. If you're new to Git try this.
- 27. Making change to your app If you create an application from the web console, you'll need to tell Git to clone the repository. $ git clone <git_url>
- 28. Making change to your app Once you make changes, you'll need to 'add' and 'commit' those changes. Git requires that each commit have a message to describe it. $ git add . $ git commit -m "check in an application"
- 29. Making change to your app Finally, you're ready to send your changes to your application $ git push Learn more about using Git
- 30. Domain alias You can specify meaningful DNS names for your OpenShift applications so that you can use your own DNS entries. $ rhc alias add <app_name> <your_domain>
- 31. Working with GitHub You can merge your project with GitHub by add the remote repository then pull, merge code to any repository. $ git remote add github git@github.com:user/repo.git
- 32. Thank You