Class: Chef::Knife::VsphereCpuRatio

Inherits:
BaseVsphereCommand show all
Defined in:
lib/chef/knife/vsphere_cpu_ratio.rb

Overview

VsphereCpuratio extends the BaseVspherecommand

Instance Method Summary collapse

Methods inherited from BaseVsphereCommand

#choose_datastore, common_options, #conn_opts, #datacenter, #fatal_exit, #find_all_in_folder, #find_datastore, #find_datastorecluster, #find_datastores_regex, #find_device, #find_folder, #find_in_folder, #find_network, #find_pool, #find_pool_folder, #find_pools_and_clusters, #get_config, #get_password_from_stdin, #get_path_to_object, #linux?, #number_to_human_size, #password, #tcp_test_port, #tcp_test_port_vm, #traverse_folders_for_computeresources, #traverse_folders_for_dc, #traverse_folders_for_pools, #vim_connection, #windows?

Instance Method Details

#run ⇒ Object

The main run method for cpu_ratio



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# File 'lib/chef/knife/vsphere_cpu_ratio.rb', line 16

def run
  $stdout.sync = true

  cluster_name = @name_args[0]
  host_name = @name_args[1]

  vim_connection

  dc = datacenter
  hf = dc.hostFolder

  cluster = cluster_name.nil? ? hf.childEntity : hf.childEntity.select { |c| c.name == cluster_name }

  fatal_exit("Cluster #{cluster_name} not found.") if cluster.empty?

  cluster.each do |c|
    host = host_name.nil? ? c.host : c.host.select { |h| h.name == host_name }
    fatal_exit("Host not found in cluster #{c.name}.") if host.empty?

    puts "### Cluster #{c.name} ###"

    host.each do |h|
      v_cpu = h.vm.inject(0) { |a, e| a + e.config.hardware.numCPU }
      p_cpu = h.summary.hardware.numCpuThreads

      ratio = 1.0 * v_cpu / p_cpu

      puts "#{h.name}: #{ratio}"
    end
    puts ""
  end
end