Case study: Schoolbox - Scaling & supporting on-premises apps

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My infrastructure coders talk from 2014-02-11 on how we scaled our business using improved our workflows and infrastructure. Also looks at the challenges of supporting on-premisis hosted systems remotely.

Technology

CASE STUDY:

SCHOOLBOX
SCALING & SUPPORTING
ON-PREMISES APPS
Created by Sam Bailey / @that_sam_guy
Infrastructure Coders meetup 2014-02-11

INCLUDING ME
SAM BAILEY
@that_sam_guy
sam.bailey@alaress.com.au
System Administrator at Alaress
DevOps wannabe
Packager for Mageia linux
Geek Dad

SCHOOLBOX IS …
web based
hosted on-premises
a learning management system
an intranet/portal
designed for Prep to Year 12 schools
accessible from anywhere* on desktop/tablet/mobile
* well almost - with internet access and a supported browser**
** we even support IE… well 9+ anyway

TLDR?
The school's online communication & learning space for
Students, Teachers & Parents.

FEATURES
(we have some)

News

Calendar

Timetables

Online Grading

Courses

Continuous Reporting

Homework submissions Resource Management
Forums

Wiki

Parent Directory

Live Chat

Groups

Surveys

Online Testing

Dynamic Homepages

WHERE WE WERE …
Started in 2001 with Melbourne Grammar School
12 schools by June 2012 (when I joined)
Begin pivot whole company to Schoolbox
Looking to scale quickly

WHAT WE HAD …
Used SVN (poorly)
Single instance for development shared between all
developers
Prod servers:
4 different versions of Ubuntu
1 version of CentOS
Deploy with tarball & complex bash scripts
Frequent regressions with minor releases
Poor testing & demonstration data

NOT YOUR
GRANDMOTHER'S LAMP
STACK
Ubuntu LTS / CentOS
Apache
MySQL
PHP
Redis
RabbitMQ
WebSockets

ALL YOUR DATA
ARE BELONG TO US
We connect to & pull data from many other onsite and
offsite services.
MSSQL

IBM DB2

Active Directory

Novell eDirectory

SharePoint

WebDav on IIS

SAML

Kerberos

Google Calendar

Microsoft Exchange

Twitter

RSS

JUNE 2012 -> NOW()
STARTING TO SCALE
Migrated to Git & GitHub
Implemented peer review via Pull Request
Significantly improved demo & testing data
Moved all prod to Ubuntu LTS or CentOS
Deploy via Puppet with deb/RPM packages (one
master)
Team uses prod-like Vagrant boxes for development

JUNE 2012 -> NOW()
THE RESULTS SO FAR…
Fewer regressions
Better deploys
Happier team
More clients (35+ across Aus & NZ)
Good times

ONSITE VS CLOUD
We operate and manage each server under an SLA
Things we can't control:
Network
Power (the electricity thing)
Hardware
Internet Connectivity
Firewall/s (!!!)
Proxy
DNS
Skill level of onsite technical personnel
Internal or outsourced IT Support

WHAT'S NEXT?
Automate testing (and writing more tests)
Dashboards
Better internal Puppet modules and coverage
More DevOps*
Cloud based hosted edition
? Hipchat/Robots
* DevOps is a culture not a team!

PET PEEVES
Unreliable Ubuntu mirrors
Manual signing of packages/repositories
Automating upgrades of OS packages
Puppet the Puppet Master
Prod is all pets, not cattle

CURRENTLY HIRING?
No.

But we will be at some stage ;)

QUESTIONS, SUGGESTIONS
& FEEDBACK?
Onsite vs Cloud
What's Next?
Pet Peeves
schoolbox.com.au
Sam Bailey / @that_sam_guy

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Case study: Schoolbox - Scaling & supporting on-premises apps

1. CASE STUDY: SCHOOLBOX SCALING & SUPPORTING ON-PREMISES APPS Created by Sam Bailey / @that_sam_guy Infrastructure Coders meetup 2014-02-11

2. BUILT BY ALARESS

3. INCLUDING ME SAM BAILEY @that_sam_guy sam.bailey@alaress.com.au System Administrator at Alaress DevOps wannabe Packager for Mageia linux Geek Dad

4. SCHOOLBOX IS … web based hosted on-premises a learning management system an intranet/portal designed for Prep to Year 12 schools accessible from anywhere* on desktop/tablet/mobile * well almost - with internet access and a supported browser** ** we even support IE… well 9+ anyway

5. TLDR? The school's online communication & learning space for Students, Teachers & Parents.

6. FEATURES (we have some) News Calendar Timetables Online Grading Courses Continuous Reporting Homework submissions Resource Management Forums Wiki Parent Directory Live Chat Groups Surveys Online Testing Dynamic Homepages

7. WHERE WE WERE … Started in 2001 with Melbourne Grammar School 12 schools by June 2012 (when I joined) Begin pivot whole company to Schoolbox Looking to scale quickly

8. WHAT WE HAD … Used SVN (poorly) Single instance for development shared between all developers Prod servers: 4 different versions of Ubuntu 1 version of CentOS Deploy with tarball & complex bash scripts Frequent regressions with minor releases Poor testing & demonstration data

9. NOT YOUR GRANDMOTHER'S LAMP STACK Ubuntu LTS / CentOS Apache MySQL PHP Redis RabbitMQ WebSockets

10. ALL YOUR DATA ARE BELONG TO US We connect to & pull data from many other onsite and offsite services. MSSQL IBM DB2 Active Directory Novell eDirectory SharePoint WebDav on IIS SAML Kerberos Google Calendar Microsoft Exchange Twitter RSS

11. JUNE 2012 -> NOW() STARTING TO SCALE Migrated to Git & GitHub Implemented peer review via Pull Request Significantly improved demo & testing data Moved all prod to Ubuntu LTS or CentOS Deploy via Puppet with deb/RPM packages (one master) Team uses prod-like Vagrant boxes for development

12. JUNE 2012 -> NOW() THE RESULTS SO FAR… Fewer regressions Better deploys Happier team More clients (35+ across Aus & NZ) Good times

13. WHERE WE ARE … I'm here!

14. ONSITE VS CLOUD We operate and manage each server under an SLA Things we can't control: Network Power (the electricity thing) Hardware Internet Connectivity Firewall/s (!!!) Proxy DNS Skill level of onsite technical personnel Internal or outsourced IT Support

15. WHAT'S NEXT? Automate testing (and writing more tests) Dashboards Better internal Puppet modules and coverage More DevOps* Cloud based hosted edition ? Hipchat/Robots * DevOps is a culture not a team!

16. PET PEEVES Unreliable Ubuntu mirrors Manual signing of packages/repositories Automating upgrades of OS packages Puppet the Puppet Master Prod is all pets, not cattle

17. THE END

18. CURRENTLY HIRING? No. But we will be at some stage ;)

19. QUESTIONS, SUGGESTIONS & FEEDBACK? Onsite vs Cloud What's Next? Pet Peeves schoolbox.com.au Sam Bailey / @that_sam_guy

Case study: Schoolbox - Scaling & supporting on-premises apps

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