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ISLE - Inventory System for Lab Equipment


Created By

Brandon Ruffridge
Brent Gardner

Brief Abstract

This web application allows inventories of assets to be managed. Assets along with their specifications are added to the system and then used by users via a check-in/check-out function. The inventory can be browsed by category or using search. Users are given various roles within the system to allow them to perform certain functions such as view-only, check-in/check-out, modify, and full-control. Inventory managers can add and track detailed information on all inventory assets including manufacturer, storage location, custom attributes, and relationships with other assets. Assets can be found by browsing by category, search, location, or current user. Assets are checked out to specified locations by users.

Description of the Problem That Motivated ISLE's Development

One of our labs at the NASA Glenn Research Center wanted a way to track their inventory of over 350 pieces of equipment, who is using it, and where it is located. They also wanted to give lab users a way to see what equipment is available and see detailed specs on the equipment and check it out for use with their projects. This web based tool was developed to meet that objective.

Technical Description

Developed using web standards and best practices such as Model-View-Controller architecture, Separation of Concerns, and Don't Repeat Yourself.
Fast, intuitive UI featuring a custom application layout built using parts from Twitter Bootstrap, extensive AJAX and jQuery, and combined and minified Javascript and LESS CSS.
Secure and 508 compliant.
Features an innovative built-in bug reporting system to Pivotal Tracker.
Deployed on the mature, open-source Linux, Apache, MySQL, and PHP (LAMP) technology stack.

Get Started


Search source code for

for things you may need to configure.
NOTE: ISLE was modified to be easy to install and configure in a local development environment. Additional configuration steps would be needed to run ISLE in a secure production environment such as changing database credentials and moving them into a separate file and adding that file to .gitignore so the credentials don't go into source control.

How to Contribute

Check out our backlog of the things we want to add/fix. Fork the project, make your changes, test ( we don't have time to test for you ), then submit a pull request. Submit any new bugs or feature requests to the issues page.

Multiple Inventories

ISLE supports multiple "instances" so multiple inventories can be managed separately. Each instance has a unique url, but accesses the same php files and database. Data is kept separate by using different tables.

folder contains two example instances

It would be nice to have a bash script to automate creation of additional instances, however it is currently a manual process.

To create additional instances duplicate the

folder and rename to whatever you want to call your instance. Delete the .log files in
. Then replace
with whatever instance name you chose in all files within the duplicated folder. Also rename
. Delete any files in
except the .htaccess files.
and copy and paste the following lines for running sql and enabling conf files. Replace
with whatever instance name you chose.
mysql -uroot -p'root' -h localhost isle_dev < "/var/www/instances/myinstance/init.sql"
mysql -uroot -p'root' -h localhost isle_dev < "/var/www/instances/myinstance/data.sql"

cp /var/www/instances/myinstance/isle.local.myinstance.conf /etc/apache2/sites-available/isle.local.myinstance.conf a2ensite isle.local.myinstance

cat <> /etc/logrotate.d/isle-myinstance /var/www/instances/myinstance/logs/*.log { yearly maxsize 2M rotate 5 notifempty missingok su vagrant vagrant } EOT

Then run the following so the changes take effect.

vagrant destroy
vagrant up

Building Static Files

When you want to make changes to CSS or JS the files you want to edit are located in:



Don't edit files in

as those are created during the build process.

Build CSS and JS (combines and minifies) * Make sure you have lessc installed. *

cd PROJECT_FOLDER/webroot/isle/includes
(this step is important or the build files will not be saved to the correct location) *

Keeping Database in Sync for Multiple Developer Teams

Change Workflow:
* Make changes. *

(option 1) * git add, git commit, git push.

Update Workflow:
* git pull *

(option 2)

Basic Vagrant Commands

Start or resume your server

vagrant up

Pause your server

vagrant suspend

Delete your server

vagrant destroy

SSH into your server

vagrant ssh

Database Access


  • Hostname: localhost or
  • Username: root
  • Password: root
  • Database: isle_dev

Updating the Box

Although not necessary, if you want to check for updates, just type:

vagrant box outdated

It will tell you if you are running the latest version or not, of the box. If it says you aren't, simply run:

vagrant box update

Setting a Hostname

If you're like me, you prefer to develop at a domain name versus an IP address. If you want to get rid of the some-what ugly IP address, just add a record like the following example to your computer's host file. isle.local

Or if you want "www" to work as well, do: isle.local www.isle.local

Technically you could also use a Vagrant Plugin like Vagrant Hostmanager to automatically update your host file when you run Vagrant Up. However, the purpose of Scotch Box is to have as little dependencies as possible so that it's always working when you run "vagrant up".

Special Thanks To

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