class Vmreverter::VMManager

Collection using Proxy Pattern - Proxy normalized access to specific Hypervisors such as VSphere through creation by the Hypervisor Factory

Attributes

hypervisor_collection[RW]

Public Class Methods

execute!(config) click to toggle source
# File lib/vmreverter/vmmanager.rb, line 20
def self.execute!(config)
  begin
    @vmmanager = Vmreverter::VMManager.new(config)
    @vmmanager.invoke
    @vmmanager.close_connection
  rescue => e
    raise e
  ensure
    FileUtils.rm config.options[:lockfile], :force => true if config.options[:lockfile]
  end
end
new(config) click to toggle source
# File lib/vmreverter/vmmanager.rb, line 33
def initialize(config)
  @logger = config.logger
  @options = config.options
  @hosts = []
  @config = config
  @hypervisor_collection = {}
  @virtual_machines = {}

  @config['HOSTS'].each_key do |name|
    hypervisor = @config['HOSTS'][name]['hypervisor']
    @logger.debug "Hypervisor for #{name} is #{hypervisor}"
    @virtual_machines[hypervisor] = [] unless @virtual_machines[hypervisor]
    @virtual_machines[hypervisor] << name
  end

  ## Data Model Looks like
  # @virtual_machines.inspect
  # {"vsphere" => ["test_server01","test_server02"], "blimpy" => ["aws_test_server01","aws_test_server01"]}

  @virtual_machines.each do |type, names|
    @hypervisor_collection[type] = Vmreverter::Hypervisor.register(type, names, @config)
  end

  #return instance created
  return self
end

Public Instance Methods

close_connection() click to toggle source
# File lib/vmreverter/vmmanager.rb, line 67
def close_connection
  @hypervisor_collection.each do |hypervisor_type, hypervisor_instance|
    @logger.notify("Disconnecting from #{hypervisor_type}")
    hypervisor_instance.close_connection
  end
end
invoke() click to toggle source
# File lib/vmreverter/vmmanager.rb, line 60
def invoke
  @hypervisor_collection.each do |hypervisor_type, hypervisor_instance|
    @logger.notify("Invoking #{hypervisor_type} hosts")
    hypervisor_instance.invoke
  end
end