migrator.rb

migrator.rb

#!/usr/bin/env ruby -wU
#
require 'opennebula'

# setup the open nebula client connection
def one_client(
  creds = ENV['ONE_AUTH'] || "#{ENV['ONE_USER']}:#{ENV['ONE_TOKEN']}",
  endpoint = ENV['ONE_XMLRPC'] || 'https://url_here:2633/RPC2'
  )
  OpenNebula::Client.new(creds, endpoint)
end

def get_vm_pool(client)
  OpenNebula::VirtualMachinePool.new(client, -1)
end

# returns an array of vm objects
# represents contents of the pool
def get_all_vms(pool = get_vm_pool(one_client))
  pool.find_all
end

# returns one OpenNebula::VirtualMachine object
# that matches the name passed
def get_vm(name)
  get_all_vms.select {|vm| vm.name.match(name)}.first
end

# pass a vm object here to extract the image id
# returns a string id; should it be an integer?
def get_vm_image_id(vm)
  vm.retrieve_elements('TEMPLATE/DISK/IMAGE_ID').first
end

def update_vm_template(vm)
end

def terminate_vm(vm)
end

# verify template reflects correct rbd storage location
# of copied/new image
def validate_vm_template(vm)
end