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  • Guide to WHM Plugins - Installation Scripts
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Introduction

You can include an installation script with your WHM plugins.

We do not require a specific programming language or other specific details for this script. However, we strongly recommend that you create one, and that it performs at least the following actions:

  • Check for the appropriate installation directories and create any that do not already exist.
  • Register the plugin with the AppConfig system.
  • Copy the plugin files, templates, and icons into the correct locations.

Important:

AppConfig registration does not automatically search for or run installation scripts. Whenever system administrators install plugins, they must decompress the files and run the installation script manually.

Example installation script

Note:

In this example, example_plugin represents the plugin's name. 

The following example BASH script performs all of the recommended actions to install a WHM plugin:

#/usr/bin/bash

# Check for and create the directory for plugin and AppConfig files.
if [ ! -d /var/cpanel/apps ]
    then
    mkdir /var/cpanel/apps
    chmod 755 /var/cpanel/apps
fi

# Check for and create the directory for plugin CGI files.
if [ ! -d /usr/local/cpanel/whostmgr/docroot/cgi/example_plugin ]
  then
    mkdir /usr/local/cpanel/whostmgr/docroot/cgi/example_plugin
    chmod 755 /usr/local/cpanel/whostmgr/docroot/cgi/example_plugin
fi

# Check for and create the directory for plugin template files.
if [ ! -d /usr/local/cpanel/whostmgr/docroot/templates/example_plugin ]
  then
    mkdir /usr/local/cpanel/whostmgr/docroot/templates/example_plugin
    chmod 755 /usr/local/cpanel/whostmgr/docroot/templates/example_plugin
fi

# Register the plugin with AppConfig.
/usr/local/cpanel/bin/register_appconfig ./plugin/example_plugin.conf
 
# Copy plugin files to their locations and update permissions.
/bin/cp ./plugin/example_plugin.cgi /usr/local/cpanel/whostmgr/docroot/cgi/example_plugin
chmod 755 /usr/local/cpanel/whostmgr/docroot/cgi/example_plugin/example_plugin.cgi
/bin/cp -R -f ./plugin/templates/* /usr/local/cpanel/whostmgr/docroot/templates/example_plugin
/bin/cp ./plugin/example_plugin.png /usr/local/cpanel/whostmgr/docroot/addon_plugins

Check for and create plugin directories

Before you can install a WHM plugin, the required directories must exist. You must also ensure that the directories use 755 permissions.

  • Lines 4 through 8 check for, create, and update permissions for the /var/cpanel/apps directory, which will contain the plugin's AppConfig configuration file and a subdirectory of plugin files.
  • Lines 11 through 15 check for, create, and update permissions for the /usr/local/cpanel/whostmgr/docroot/cgi/example_plugin/ directory, which will contain any CGI files for the plugin.
  • Lines 18 through 22 check for, create, and update permissions for the /usr/local/cpanel/whostmgr/docroot/templates/example_plugin/ directory, which will contain the plugin's interface template files.

Remember:

 In this example, example_plugin represents the plugin's name. 

Register with AppConfig

Line 25 uses the /usr/local/cpanel/bin/register_appconfig script and the plugin's AppConfig configuration file to register the plugin with AppConfig.

Note:

Copy plugin files to their final locations

Lines 28 through 31 copy the plugin files to the appropriate locations and update them to use 755 permissions.

  • Line 28 copies the plugin's CGI file to the CGI directory.
  • Line 29 sets the copied CGI file to use 755 permissions.
  • Line 30 copies the plugin's template files to the template directory.
  • Line 31 copies the plugin's icon to the /usr/local/cpanel/whostmgr/docroot/addon_plugins/ directory, which contains plugin icon files.