Creating a new VNET in OpenNebula

gistfile1.rb

#!/usr/bin/env ruby
 
##############################################################################
# Environment Configuration
##############################################################################
ONE_LOCATION=ENV["ONE_LOCATION"]
 
if !ONE_LOCATION
    RUBY_LIB_LOCATION="/usr/lib/one/ruby"
else
    RUBY_LIB_LOCATION=ONE_LOCATION+"/lib/ruby"
end
 
$: << RUBY_LIB_LOCATION
 
##############################################################################
# Required libraries
##############################################################################
require 'OpenNebula'
 
include OpenNebula
 
# OpenNebula credentials
CREDENTIALS = "oneuser:onepass"
# XML_RPC endpoint where OpenNebula is listening
ENDPOINT    = "http://localhost:2633/RPC2"
 
client = Client.new(CREDENTIALS, ENDPOINT)

template = <<-EOT
NAME    = "Red LAN"
TYPE    = RANGED
 
# Now we'll use the host private network (physical)
BRIDGE  = vbr0
 
NETWORK_SIZE    = C
NETWORK_ADDRESS = 192.168.0.0
 
# Custom Attributes to be used in Context
GATEWAY = 192.168.0.1
DNS     = 192.168.0.1
 
LOAD_BALANCER = 192.168.0.3
EOT

xml = OpenNebula::VirtualNetwork.build_xml
vn  = OpenNebula::VirtualNetwork.new(xml, client)

rc = vn.allocate(template)
if OpenNebula.is_error?(rc)
    exit -1, rc.message
else
    puts "ID: #{vn.id.to_s}"
end

puts "Before info:"
puts vn.to_xml

puts

vn.info

puts "After info:"
puts vn.to_xml