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class RbVmomi::VIM::ComputeResource
# Aggregate cluster information.
#
# @note Values are returned in a hash.
#
# @return [Mhz] totalCPU: Sum of the frequencies of each CPU in the cluster.
# @return [Mhz] usedCPU: CPU cycles used across the cluster.
# @return [MB] totalMem: Total RAM.
# @return [MB] usedMem: Used RAM.
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 = _connection.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
end
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