Public/Get-AnyStackHostMemoryUsage.ps1
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function Get-AnyStackHostMemoryUsage { <# .SYNOPSIS Gets host memory usage. .DESCRIPTION Queries Summary.Hardware and QuickStats for memory. .PARAMETER Server vCenter Server hostname or VIServer object. Uses active connection if omitted. .EXAMPLE PS> Get-AnyStackHostMemoryUsage .OUTPUTS PSCustomObject .NOTES Author: The AnyStack Architect Requires: VMware.PowerCLI 13.0+, vSphere 8.0 U3+ #> [CmdletBinding(SupportsShouldProcess=$false)] [OutputType([PSCustomObject])] param( [Parameter(Mandatory=$false, ValueFromPipeline=$true)] [ValidateNotNull()] $Server ) begin { $vi = Get-AnyStackConnection -Server $Server $ErrorActionPreference = 'Stop' } process { try { Write-Verbose "[$($MyInvocation.MyCommand.Name)] Fetching memory usage on $($vi.Name)" $hosts = Invoke-AnyStackWithRetry -ScriptBlock { Get-View -Server $vi -ViewType HostSystem -Property Name,Summary.Hardware.MemorySize,Summary.QuickStats } foreach ($h in $hosts) { $totalGb = [Math]::Round($h.Summary.Hardware.MemorySize / 1GB, 2) $usedGb = [Math]::Round($h.Summary.QuickStats.OverallMemoryUsage / 1024, 2) $usedPct = if ($totalGb -gt 0) { [Math]::Round(($usedGb / $totalGb) * 100, 1) } else { 0 } [PSCustomObject]@{ PSTypeName = 'AnyStack.HostMemoryUsage' Timestamp = (Get-Date) Server = $vi.Name Host = $h.Name TotalGB = $totalGb UsedGB = $usedGb UsedPct = $usedPct BalloonGB = [Math]::Round($h.Summary.QuickStats.BalloonedMemory / 1024 / 1024, 2) } } } catch { $PSCmdlet.ThrowTerminatingError([System.Management.Automation.ErrorRecord]::new($_, 'UnexpectedError', [System.Management.Automation.ErrorCategory]::NotSpecified, $null)) } } } |