require 'rubygems'
require 'fog'
require 'alchemist'

#
# Needs Fog > 0.11 (in development)
#

#
# Helper to print all the servers
#
def print_servers(compute, uri)
  compute.servers.all.each do |s|
    puts "  #{s.name}"
    puts "    Server ID:".ljust(20) + "#{s.id}"
  end
  puts "\n"*3
end

#
# Helper to print hypervisor info
#
def print_node_info(node)
  puts "Memory:        %s MB" % node.memory.kilobytes.to.megabytes.round
  puts "Free Memory:   %s MB" % node.node_free_memory.bytes.to.megabytes.round
  puts "CPUs:          #{node.cpus}"
  puts "CPU Sockets:   #{node.sockets}"
  puts "CPU Model:     #{node.model}"
  puts "CPU Cores:     #{node.cores}"
  puts "CPU Threads:   #{node.threads}"
end

#
# ESX
#
uri = 'esx://thunder03/?no_verify=1'
c = Fog::Compute.new(
  {
    :provider => 'Libvirt',
    :libvirt_uri => uri,
    :libvirt_username => 'root',
    :libvirt_password => 'temporal'
  }
)
print_node_info c.nodes.first

puts "Servers:       %s" % c.servers.size
print_servers c, uri