Class: RbVmomi::VIM::ComputeResource

Inherits:
Object
  • Object
show all
Defined in:
lib/rbvmomi/vim/ComputeResource.rb

Instance Method Summary collapse

Instance Method Details

#stats ⇒ Mhz, MB

Note:

Values are returned in a hash.

Aggregate cluster information.

Returns:

  • (Mhz) —

    totalCPU: Sum of the frequencies of each CPU in the cluster.

  • (Mhz) —

    usedCPU: CPU cycles used across the cluster.

  • (MB) —

    totalMem: Total RAM.

  • (MB) —

    usedMem: Used RAM.



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# File 'lib/rbvmomi/vim/ComputeResource.rb', line 10

def stats
  filterSpec = RbVmomi::VIM.PropertyFilterSpec(
    :objectSet => [{
      :obj => self,
      :selectSet => [
        RbVmomi::VIM.TraversalSpec(
          :name => 'tsHosts',
          :type => 'ComputeResource',
          :path => 'host',
          :skip => false
        )
      ]
    }],
    :propSet => [{
      :pathSet => %w(name overallStatus summary.hardware.cpuMhz
                  summary.hardware.numCpuCores summary.hardware.memorySize
                  summary.quickStats.overallCpuUsage
                  summary.quickStats.overallMemoryUsage),
      :type => 'HostSystem'
    }]
  )

  result = @soap.propertyCollector.RetrieveProperties(:specSet => [filterSpec])

  stats = {
    :totalCPU => 0,
    :totalMem => 0,
    :usedCPU => 0,
    :usedMem => 0,
  }

  result.each do |x|
    next if x['overallStatus'] == 'red'
    stats[:totalCPU] += x['summary.hardware.cpuMhz'] * x['summary.hardware.numCpuCores']
    stats[:totalMem] += x['summary.hardware.memorySize'] / (1024*1024)
    stats[:usedCPU] += x['summary.quickStats.overallCpuUsage'] || 0
    stats[:usedMem] += x['summary.quickStats.overallMemoryUsage'] || 0
  end

  stats
end