rsyslog_configblocks.rb

#!/usr/bin/env ruby                                                                                   

require 'erb'

rsyslog_block = %{#
# <%= virtual_host %>
#
$InputFileName /var/log/httpd/<%= virtual_host %>-error.log
$InputFileTag <%= virtual_host %>_error
$InputFileStateFile stat-<%= virtual_host %>-error.log
$InputFileSeverity info
$InputFileFacility local5
$InputRunFileMonitor

$InputFileName /var/log/httpd/<%= virtual_host %>-access.log
$InputFileTag <%= virtual_host %>_access
$InputFileStateFile stat-<%= virtual_host %>-access.log
$InputFileSeverity info
$InputFileFacility local6
$InputRunFileMonitor

}

# Replace with your domains
%w{
    blog.myhost.com
    img.myhost.com
    css.myhost.com
    rss.myhost.com
    search.myhost.com
    www.myhost.com
}.each { |virtual_host|  puts ERB.new( rsyslog_block ).result(binding) }