Inside GOC Soichi Hayashi Software Engineer. Hardware VM Hosts – Production (B-town & Indi) – Dev & ITB (B-town) LDAP Server (389) Internal.grid.iu.edu.

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Presentation transcript:

Inside GOC Soichi Hayashi Software Engineer

Hardware VM Hosts – Production (B-town & Indi) – Dev & ITB (B-town) LDAP Server (389) Internal.grid.iu.edu – VM Install scripts / data – Service soft-backup IU Services – SVN, Footprint, etc..

1 Service = 1 machine

Backup Soft Backup – MySQL Replication – All transitory files are periodically synced – Key configuration files are also synced Hard Backup – TSM backup system running on internal

VM Most services are redundant (DNS RR-ed) – Wget access secondary service if one is failing – Load balancing / “Higher” failure tolerance – No HA at this point “Stemcell” – Default GOC node with DHCP, LDAP, etc – Master Install Script – Service Install Scripts – Download files / configs, then run install script – Pulls softback data from internal.grid

Install Script Installs everything to setup a certain GOC service Updated when service machine is updated

Software Development Nothing fancy.. Really… (sorry!) PHP/Python for POC, Java for production – MyOSG (PHP, MySQL, Java, Google Chart, Python, jQuery) – OIM (Java, MySQL, DivRep) – GOC Ticket (PHP, SOAP, MySQL, jQuery) – Others stuff in scripting languages

DivRep Framework DivRep Components MyOSG / OIM Application Simple user interface framework for Java Easy to learn, easy to implement – In academic environment, not everyone is software engineer – Minimizes the required knowledge – Build stuff using what they know Basic Java, Basic HTML, Bit of Servlet – Secret is in “Replacing Content” Sacrifices bit of responsiveness for Greatly simplified development / testing

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