ScriptingGamesJan2016

ScriptingGamesJan2016.ps1

Function Get-Uptime{
[CmdletBinding()]
param(
[Parameter(ValueFromPipeline = $true)]
[String[]]$ComputerName = $env:COMPUTERNAME
)

Begin
 {
    $Output=@()
    Function CreateObject
    {
        param(
        [String]$CSname,
        $LBUtime,
        $LCTime ,
        [String]$Status,
        [bool]$Patching = $false
        )
        if($Status -eq 'offline'){ $Uptime = $LBUtime = 'Not Available' }
        elseif($LBUtime -ne $null)
           {
                        $day  = "{0:0.00}" -f ( $LCTime - $LBUtime ).TotalDays
                        if ( ($LCTime - $LBUtime).TotalDays -like '*.889' ) { $day++ }# Rounding to 1/10 th of a Day
                        $Uptime = $day
                        if( $Uptime -gt 27 ) { $Patching = $true }# Rounding to 1/10th of a month
                     
           }
        else { $Status = 'Error' }

        $Output = New-Object -TypeName psobject -Property @{
        'ComputerName'     = $CSname
        'StartTime'        = $LBUtime
        'Uptime (Days)'    = $Uptime
        'Status'           = $Status
        'MightNeedPatched' = $Patching
        }
        return $Output | Select-Object -Property ComputerName,StartTime,'Uptime (Days)',Status,MightNeedPatched

    }
 }# Begin Block
Process
 {
 foreach($Computer in $ComputerName)
 {
    if( Test-Connection -ComputerName $Computer -Count 2 -Quiet )
    {
        Write-Verbose -Message "[$Computer]: querying Uptime..." -Verbose
        $OSDetails = Get-WmiObject -ClassName Win32_OperatingSystem -ComputerName $Computer
        $Output+= CreateObject -CSname $OSDetails.CSName -LBUtime $OSDetails.ConvertToDateTime($OSDetails.LastBootUpTime) -LCTime $OSDetails.ConvertToDateTime($OSDetails.LocalDateTime) -Status $OSDetails.Status
    }# If Computer Online
    else
    {
        Write-Warning -Message "Computer  '$Computer' is Offline or Not able to contact"
        $Output+= CreateObject -CSname $Computer -Status 'Offline'
    }
 }# Foreach
 }# Process Block
End
{
$Output
}# End Block

}