Winter Scripting Games 2013 - Practice Event 2

Just a quick post on the script I submit for the second practice event of the Winter Scripting Games 2013 (last week).

Practice Event 2 -Covering Your Assets

Your organization is preparing to renew maintenance contracts on all of your server computers. You need to provide management with a report that details each inventory information for each server. Most of the servers do not have Windows PowerShell installed. None of the servers a separated from your client computer by a firewall. Computer names may be specified by a variety of means; your function must accept any collection of strings as computer names.</blockquote>

Minimum Requirements

Optional Criteria

* Display optional verbose output showing the computer name being contacted * Prompt for computer names if none are specified when the function is run * Accept computer names as strings from the pipeline </blockquote>

Desired Output</blockquote>

* ComputerName Model Manufacturer LogicalProcs PhysicalRAM BIOSSerial

My Script ``` # NAME : Get-ComputerInventory # AUTHOR: Francois-Xavier Cat # DATE : 2013/02/10 Function Get-ComputerInventory { <# .SYNOPSIS The Get-ComputerInventory function gets information about a local or Remote machine(s) specified by the parameter ComputerName. .DESCRIPTION The Get-ComputerInventory function gets information about a local or Remote machine(s) specified by the parameter ComputerName. .PARAMETER ComputerName Specifies the target computer for the management operation. The value can be a fully qualified domain name, a NetBIOS name, or an IP address. To specify the local computer, use the local computer name, use localhost, or use a dot (.) .INPUTS System.String .OUTPUTS System.Management.Automation.PSObject .EXAMPLE Get-ComputerInventory -ComputerName PC01 This command gets inventory information about the Computer PC01. .EXAMPLE "SERVER01","SERVER02" | Get-ComputerInventory This command gets inventory information about SERVER01 and SERVER02. Get-ComputerInventory accepts Input from the pipeline. .NOTES NAME : Get-ComputerInventory AUTHOR: Francois-Xavier Cat DATE : 2013/02/10 .LINK http://lazywinadmin.com #> [CmdletBinding()] param( [Parameter(ValueFromPipeline=$True,Mandatory=$true)] [string[]]$ComputerName ) BEGIN {# Setup } PROCESS { Foreach ($Computer in $ComputerName) { Write-Verbose -Message "$Computer" try { # Gather Win32_ComputerSystem information for the current $Computer $WMIComputerSystem = Get-WmiObject -Class Win32_Computersystem -ComputerName $Computer -ErrorAction 'Stop' # Gather Win32_BIOS information for the current $Computer $WMIBios = Get-WmiObject -Class win32_bios -ComputerName $Computer -ErrorAction 'Stop' $TryIsOK = $True }#Try Catch { # Send the Errors in the Errors.txt file. "$Computer" | Out-File -Append -FilePath Errors.txt $TryIsOK = $False }#Catch if ($TryIsOK) { $output = @{'ComputerName'=$Computer; 'Model'=$WMIComputerSystem.model; 'Manufacturer'=$WMIComputerSystem.Manufacturer; 'LogicalProcs'=$WMIComputerSystem.NumberOfLogicalProcessors; 'PhysicalRam'=("{0:N0}" -f($WMIComputerSystem.TotalPhysicalMemory/1GB)); 'BIOSSerial'= $WMIBios.SerialNumber} # Create a new PowerShell object for the output $object = New-Object -TypeName PSObject -Property $output $object.PSObject.TypeNames.Insert(0,'Report.ComputerInventory') # Show the Output Write-Output -InputObject $object }#if ($TryIsOK) }#Foreach ($Computer in $ComputerName) }#PROCESS END {# Cleanup } }#Function Get-ComputerInventory ```