Tutorial 02 - Locally installed PGA with Hosted Airavata

PGA Installation Prerequisites 

NOTE: Plese refer documentation in Airavata Documentation: Prerequisites

Installing PGA in Ubuntu OS

Prerequisites

The following guide gives a sample installation starting from a fresh Ubunutu 12.04 installation.

1. Update the ubuntu package manager

   1. sudo apt-get update

   2. sudo apt-get upgrade

      
      

2. Install Apache 

   1. sudo apt-get install apache2

      
      

3. Install PHP 5.4

   1. sudo apt-get install python-software-properties

   2. sudo add-apt-repository ppa:ondrej/php5-oldstable

   3. sudo apt-get update

   4. sudo apt-cache policy php5

   5. sudo apt-get install php5

      
      

4. You can check the installed versions of apache and php using following commands

   1. apache2 -v 

   2. php -v

      
      

5. Install the necessary php extensions

   1. sudo apt-get install unzip

   2. sudo apt-get install curl

   3. sudo apt-get install openssl

   4. sudo apt-get install php5-mcrypt

   5. sudo apt-get install php-soap

      
      

6. Install Composer System Wide

   1. curl -sS https://getcomposer.org/installer | php

   2. sudo mv composer.phar /usr/local/bin/composer

      
      

7. Activate mod_rewrite

   1. sudo a2enmod rewrite

   2. sudo service apache2 restart

      
      

8. Open the default vhost config file:

   1. sudo nano /etc/apache2/sites-available/default

   2. Now search for “AllowOverride None”  corresponding “DocumentRoot /var/www <Directory /var/www>” (which should be there TWO times) and change both to “AllowOverride All“. Search for these two lines.

   3. Exit and save with CTRL+X, Y, ENTER.
      
      

PGA Installation

1. Download PGA from github to the document root of you web server /var/www. 
2. Use git clone https://github.com/apache/airavata-php-gateway or download the zip from the github web page.
3. Go inside the PGA directory (e.g /var/www/airavata-php-gateway)
4. Make sure the storage folder is writable; sudo chmod -R 777 app/storage
5. Go to [PGA_HOME]/app/config/pga_config.php and change the configuration to match your settings. More instruction on pga_config.php follow step 6 in Airavata Documentation: pga_config.php configurations 
   
6. Now issue composer update command; sudo composer update
7. Restart the web server; sudo service apache2 restart

Installing PGA on Cent OS

Please follow documentation in Airavata Documentation: PGA Installation on Cent OS 7

Installing PGA in MAC OS

Prerequisites 

1. To install MCrypt for PHP on MAC please follow the steps in http://coolestguidesontheplanet.com/install-mcrypt-php-mac-osx-10-9-mavericks-development-server/
2. Once above is completed follow the steps given in folowing links;
   1. Configuring Apache: https://coolestguidesontheplanet.com/how-to-install-php-mysql-apache-on-os-x-10-6/
   2. Installing Composer: https://getcomposer.org/doc/00-intro.md#installation-linux-unix-osx
      
      

PGA Installation

1. Navigate to directory; cd /Library/WebServer/Documents

2. git clone https://github.com/apache/airavata-php-gateway.git

3. After cloning is completed navigate to gateway directory: cd /Library/WebServer/Documents/airavata-php-gateway

4. Make sure the storage folder is writable sudo chmod -R 777 app/storage
5. (optional) Go to [PGA_HOME]/app/config/pga_config.php and change the configuration to match your settings. More instruction on pga_config.php follow step 6 in Airavata Documentation: pga_config.php configurations
   
6. Enable Apache extensions (mod_rewrite module and PHP SOAP extension)

   1.  sudo vim /etc/apache2/httpd.conf

      1. uncomment #LoadModule rewrite_module libexec/apache2/mod_rewrite.so

      2. uncomment #LoadModule php5_module libexec/apache2/libphp5.so

7. Now issue composer update command; sudo composer update
8. Restart the web server sudo apachectl restart
   
   

Link the Local PGA with Hosted Airavata

1. Once the PGA is installed you will have to link with hosted Airavata. 
2. Contact Airavat hosting team (probably apache Airavata team) and obtain information required in section 'Airavata Client Configurations' of pga_config.php file in directory [PGA_HOME]/app/config

Troubleshooting PGA Installation Issues  

Having an issue with installation? Maybe someone earlier faced and the answer could be in  FAQs. Please try: Airavata Documentation: FAQ

Comments, clarifications most welcomed. Subscribe and contact us through http://airavata.apache.org/community/mailing-lists.html