![OpenShift RHC Tool
$ rhc
Usage: rhc [--help] [--version] [--debug] <command> [<args>]
!
Command
!
line interface for OpenShift.
Getting started:
create-app
apps
add-cartridge
set-env
Create an application
List all your applications
Add a cartridge to your application
Set one or more environment variable(s) to your application
Working with apps:
tail
snapshot
git-clone
Tail the logs of an application
Save the current state of your application locally
Clone and configure an application's repository locally
!
!
Management commands:
app
Commands for creating and managing applications
env
Manages user-defined environment variables set on a given
application
ssh
SSH into the specified application
!](https://image.slidesharecdn.com/openshiftathens09-140108083726-phpapp02/85/OpenShift-Overview-16-320.jpg)
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OpenShift Overview
- 2. AGENDA • What is OpenShift? • How much does it cost? • Gears and Cartridges • Why does WiserTogether use OpenShift? • How can I play?
- 3. Platform as a Service (PAAS) Backed by RedHat Built on Linux Standards Not Virtualized Shared Hosting Environment* “Hybrid” Cloud Environment
- 5. OpenShift Origin Community Supported Very Active Development Full Source on GitHub Free-as-in-Beer installation options: web, live ISO, kickstart
- 6. OpenShift Enterprise Slower / More Stable Release Roadmap Runs on RHEL 6 Yearly Subscription ($$) Available thru VARs Free Evaluation Available
- 7. OpenShift Online RedHat-Hosted Service Free Tier (up to 3) “Silver” Tier (up to 16) for $20/mo plus a few ¢/hr/gear visit: www.openshift.com
- 8. Quick Recap • RedHat’s foray into cloud offerings. • Built on standard Linux technology. • Three options: Origin (free), Enterprise ($$), Cloud (hosted)
- 9. Gears and Cartridges “((AND BEARS, OH, MY!!))”
- 10. Gears Containers with resource limits which run applications: • Small • Medium • Large … Sizing is configured platform-wide by server admin. “Gear” — http://www.flickr.com/photos/m
- 11. Cartridges Added to gears to support languages, databases, or even applications. PHP, python (2.6,2.7,3.3), Ruby (1.8/1.9), PostgreSQL, MySQL, Mongo, JBoss, perl, node.js, Go, Drupal, WordPress, Jenkins, Travis CI, more … plus the community cartridges (or, even, your own). “Cartridge” — http://en.wikipedia.org/wiki/
- 12. * Standard Technologies selinux quota cgroups Source Collections (SCL) work together to secure shared environment.
- 13. Built With… Ruby BIND bash scripts git MongoDB* ssh Apache env vars * Makes OpenShift Web Scale™
- 14. Quick Recap • Built on standard Linux technology. • SCL allows multiple versions of code to be installed together on the same running server. • Gears provide non-virtualized, secure, and constrained shared environment for your code. • Features added with cartridges from RedHat, community, or your own DIY cartridge repo.
- 16. OpenShift RHC Tool $ rhc Usage: rhc [--help] [--version] [--debug] <command> [<args>] ! Command ! line interface for OpenShift. Getting started: create-app apps add-cartridge set-env Create an application List all your applications Add a cartridge to your application Set one or more environment variable(s) to your application Working with apps: tail snapshot git-clone Tail the logs of an application Save the current state of your application locally Clone and configure an application's repository locally ! ! Management commands: app Commands for creating and managing applications env Manages user-defined environment variables set on a given application ssh SSH into the specified application !
- 17. So, Why Does Wanna Use OpenShift?
- 19. Release Management Evolution of the Legacy Production and Staging Environment
- 20. web app S assets S Production S Deploy data S Development content Peer Review / Testing OpenShift Workflow Multiple, Parallel Workstreams with Ad-Hoc Teams
- 21. Other Advantages • Ad-hoc workgroups and priorities. • Similar config and deployment “machinery.” • Cartridges = flexible stacks per service. • Code no longer marinates in fetid waters.
- 22. Other Advantages • Huggy-kissy technology for nerds. • App configuration is $OPENSHIFT_ENV-driven. • Hybrid cloud model.
- 23. Putting It Together Knockout To Do Demonstration ! ! 1. Create node.js app 2. ???? 3. Profit.
- 24. Lots More Cool Stuff • Custom cartridges • Automated deploys / CI • Scalable applications • rhc / oo-* commands • Deploy hooks • Broker REST API • Group development • Snapshot and restore • Port forwarding • Logging and debugging It’s Ruby, it’s shell, it’s Linux, you’ll find something to hack.
- 25. Broker: Master Control Manages applications and DNS Manages users, git, ssh on nodes Runs OpenShift Console Provides REST-style API
- 26. Nodes: Workers Hosts applications Endpoints for ssh and git Cartridges installed here Can auto-scale
- 27. You Can’t Win, If’n Y’on’t Play https://www.openshift.com/ To sign up for 3 free hosted gears. https://github.com/openshift/origin-server Take a look at the code behind the curtain. http://openshift.github.io/ The community OpenShift website. #openshift-dev on Freenode Talk smack about people’s mamas on IRC with the developers.
- 28. You Can’t Win, If’n Y’on’t Play https://install.openshift.com/ “Easy Button” install your own instance. http://openshift.github.io/documentation/oo_cartridge_developers_guide.html All you need to know to roll your own.