Get-MachineResources

Get-MachineResources.ps1

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###
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### This function returns cpu/mem/C drive utilization.
### Formatting is weird - sorry.
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#Create function.

Function Get-MachineResources {

<#
.SYNOPSIS
This function takes a specified machine(s) and checks resources. 
.DESCRIPTION
This function will return the CPU Usage, Memory Usage, and C:\ free disk space.
.EXAMPLE
Get-MachineResources -Machines TEST-MACHINE-01
.EXAMPLE
Get-MachineResources -Machines TEST-MACHINE-01,TEST-MACHINE-02,TEST-MACHINE-03
#>

[CmdletBinding()]
 Param(
      [Parameter(Mandatory=$true,ValueFromPipeline=$true,HelpMessage='Provide full machine name(s) separated by commas.')]
      [string[]]$Machines
      )

#Begin to try.

Try {

    Foreach ($Comp in $Machines) {

            #Get average of cpus - otherwise will display each core.

            $cpusage = Get-WmiObject win32_processor -ComputerName $Comp | 
            Measure-Object -property LoadPercentage -Average | 
            Select @{Name = "CPU Average %" ; Expression = {$_.Average}} | Format-Table

            #Get memory usage

            $memusage = Get-WmiObject -Class win32_operatingsystem -ComputerName $Comp | 
            Select @{Name = "Memory Usage %" ; Expression = {“{0:N2}” -f ((($_.TotalVisibleMemorySize - $_.FreePhysicalMemory)*100)/ $_.TotalVisibleMemorySize) }} | Format-Table

            #Get c: disk space usage

            $diskspace = Invoke-Command -ComputerName $Comp -ScriptBlock {Get-PSDrive C | Select @{Expression={[math]::Round($_.Free/1GB,2)};Label="Free Space(GB)"} | Format-Table}

            #Write it to screen. I like the hostname in red.

            (Write-Host -ForegroundColor Red $comp),$cpusage,$memusage,$diskspace 

            }
}

#Catchem.

Catch {

      Write-Warning "Failed to get resources of $Comp. Check your syntax."

      }

#Geez, about time.

Finally {
  
        Write-Verbose "Complete."

        }
}