Dermot Frost & Eoin Kilfeather

Pilot Repository Overview

• Strand 3 is responsible for the technical delivery of DRI• Four component Work Packages

WP5 – Architecture WP6 – User Interfaces WP7 – Data Management WP8 – Storage

• Work carried out by a distributed team across three institutions DIT – Eoin Kilfeather, Monica Harasimiuk, Anna Deegan NUIM – Damien Gallagher, Sinead Redmond, Ray

Noonan TCD – Jimmy Tang, Stuart Kenny, Kathryn Cassidy,

Peter Tiernan, Kristina Bako• Agile methodology

Requirements driven Code sprints Daily “stand-up” calls

Technology Choices

• Cucumber (http://cukes.info/)

• Domain Specific Language and executable specs

• Project Hydra (http://projecthydra.org/)

• Blacklight (SOLR), Active Fedora (Fedora-Commons), Opinionated Metadata, Hydra Access Controls, Sufia (next iteration)

• Ceph (needs further evaluation) (http://ceph.com/)

• S3 interface, Remote Block Devices

• Ansible (Dev/Test/Prod) (http://www.ansibleworks.com/)

• Vagrant (Dev) (http://www.vagrantup.com/)

• Open Nebula (Test/Prod) (http://opennebula.org/)

• Cloud based infrastructure

Current Architecture

Current Architecture

• Ingest tools – web based and command line for bulk ingest

• Data models File types – Audio, PDF Metadata – Dublin Core, EAD

• Surrogate generation• Background processing using resque• Antivirus and Malware scanning

Current Backend Features

• Subcollection searching• User defined collections• Persistent identifiers• Audit trails• Preservation features• Additional authentication and authorization• Additional datatypes and metadata• Asset characterization

Next Steps