Installation Guide

Abbreviations

The following notational abbreviations are used within the instructions:

<TOMCAT> - root directory of Tomcat distribution.
<TOMCAT-OGSA-WEBINF> - the directory <TOMCAT>/webapps/ogsa/WEB-INF/.
<TOMCAT-OGSA-CLASSES> - the directory <TOMCAT-OGSA-WEBINF>/classes.
<TOMCAT-OGSA-ETC> - the directory <TOMCAT-OGSA-WEBINF>/etc
<OGSA-HOME> - root directory of Globus Toolkit 3 Alpha 4 binary distribution.
<OGSA-DAI> - root directory of OGSA-DAI distribution.

Preparing OGSA

Download the following ZIP archives from here:

Tomcat with GT3 deployed
OGSA-DAI R3 preview release
Xindice

Setting environment variables:

To set environment variables and paths prior to installing OGSA-DAI:

Set the environment variable CATALINA_HOME:
```
  #> export CATALINA_HOME=<TOMCAT>
```

Installing OGSA-DAI

Unpack the Tomcat and OGSA binary zip file.

  #> gunzip tomcat_ogsa.tar.gz
  #> tar xvf tomcat_ogsa.tar

Unpack the OGSA-DAI binary zip file.
Unpack the Xindice binary zip file.

Deploying OGSA-DAI Under Tomcat

Change to the OGSA-DAI directory:
```
  #> cd <OGSA-DAI>
```
Make a build directory if there is not already one there:
```
  #> mkdir build
```
Build the installation files by typing the command:
```
  #> ant deploy
```
This will copy the necessary files to your Tomcat installation, and edit the files necessary to deploy the services.

Testing the OGSA-DAI installation

Now start up Tomcat:

  #> cd <TOMCAT>/bin
  #> ./startup.sh

Via a Web Browser, visit the URL http://localhost:8080/ogsa/services. You should see a list of the services deployed on the Tomcat instance, including

ogsadai/GridDataServiceFactoryXindice
ogsadai/DAIServiceGroupRegistry