Free Vmware Learning Blog: Disk space script

Wednesday, March 1, 2017

Disk space script

# Set your warning and critical thresholds for free space in terms of percentage
$percentWarning = 15;
$percentCritcal = 10;

# EMAIL PROPERTIES
# Set the recipients of the report.
#$users = "YourDistrolist@company.com"
    #$users = "You@company.com" # I use this for testing by uing my email address.
#$users = "you@company.com", "manager@company.com", "etc@company.com"; # can be sent to individuals.

# REPORT PROPERTIES
# Path to the report
$reportPath = "C:\Scripts\DVCI\disk\";

# Report name
$reportName = "DiskSpaceRpt_$(get-date -format ddMMyyyy).html";

# Path and Report name together
$diskReport = $reportPath + $reportName

#Set colors for table cell backgrounds
$redColor = "#FF0000"
$orangeColor = "#FBB917"
$whiteColor = "#FFFFFF"

# Count if any computers have low disk space. Do not send report if less than 1.
$i = 0;

# Get computer list to check disk space
$computers = Get-Content "serverlist.txt";
$datetime = Get-Date -Format "MM-dd-yyyy_HHmmss";

# Remove the report if it has already been run today so it does not append to the existing report
# If (Test-Path $diskReport)
   #   {
     #   Remove-Item $diskReport
         Remove-Item "C:\Scripts\DVCI\disk\Samsndiskreport.html"
    # }

# Cleanup old files..
##$Daysback = "-7"
##$CurrentDate = Get-Date;
##$DateToDelete = $CurrentDate.AddDays($Daysback);
##Get-ChildItem $reportPath | Where-Object { $_.LastWriteTime -lt $DatetoDelete } | Remove-Item;

# Create and write HTML Header of report
$titleDate = get-date -uformat "%m-%d-%Y - %A"
$header = "
<html>
<head>
<meta http-equiv='Content-Type' content='text/html; charset=iso-8859-1'>
<title>DiskSpace Report</title>
<STYLE TYPE='text/css'>

</style>
</head>
<body>
<table width='100%'>
<tr bgcolor='#CCCCCC'>
<td colspan='7' height='25' align='center'>
<font face='tahoma' color='#003399' size='4'><strong>ASTRO Environment DiskSpace Report for $titledate</strong></font>
</td>
</tr>
</table>
"
Add-Content $diskReport $header

# Create and write Table header for report
$tableHeader = "
<table width='100%'><tbody>
<tr bgcolor=#CCCCCC>
    <td width='10%' align='center'>Server</td>
<td width='5%' align='center'>Drive</td>
<td width='15%' align='center'>Drive Label</td>
<td width='10%' align='center'>Total Capacity(GB)</td>
<td width='10%' align='center'>Used Capacity(GB)</td>
<td width='10%' align='center'>Free Space(GB)</td>
<td width='5%' align='center'>Freespace %</td>
</tr>
"
Add-Content $diskReport $tableHeader

# Start processing disk space reports against a list of servers
foreach($computer in $computers)
{
$disks = Get-WmiObject -ComputerName $computer -Class Win32_LogicalDisk -Filter "DriveType = 3"
$computer = $computer.toupper()
foreach($disk in $disks)
{
$deviceID = $disk.DeviceID;
        $volName = $disk.VolumeName;
[float]$size = $disk.Size;
[float]$freespace = $disk.FreeSpace;
$percentFree = [Math]::Round(($freespace / $size) * 100, 2);
$sizeGB = [Math]::Round($size / 1073741824, 2);
$freeSpaceGB = [Math]::Round($freespace / 1073741824, 2);
        $usedSpaceGB = $sizeGB - $freeSpaceGB;
        $color = $whiteColor;

# Set background color to Orange if just a warning
if($percentFree -lt $percentWarning)
{
    $color = $orangeColor

# Set background color to Orange if space is Critical
      if($percentFree -lt $percentCritcal)
        {
        $color = $redColor
       }

# Create table data rows
    $dataRow = "
<tr>
        <td width='10%'>$computer</td>
<td width='5%' align='center'>$deviceID</td>
<td width='15%' >$volName</td>
<td width='10%' align='center'>$sizeGB</td>
<td width='10%' align='center'>$usedSpaceGB</td>
<td width='10%' align='center'>$freeSpaceGB</td>
<td width='5%' bgcolor=`'$color`' align='center'>$percentFree</td>
</tr>
"
Add-Content $diskReport $dataRow;
Write-Host -ForegroundColor DarkYellow "$computer $deviceID percentage free space = $percentFree";
    $i++
}
}
}

# Create table at end of report showing legend of colors for the critical and warning
$tableDescription = "
</table><br><table width='20%'>
<tr bgcolor='White'>
    <td width='10%' align='center' bgcolor='#FBB917'>Warning less than 15% free space</td>
<td width='10%' align='center' bgcolor='#FF0000'>Critical less than 10% free space</td>
</tr>
"
Add-Content $diskReport $tableDescription
Add-Content $diskReport "</body></html>"

rename-item $diskreport "C:\Scripts\DVCI\disk\Samsondiskreport.html"
#copy-item $diskreport -destination "C:\Scripts\DVCI\disk\"

copy-item "C:\Scripts\DVCI\disk\Samsondiskreport.html" -destination "c:\Inetpub\wwwroot\reports\"

Free Vmware Learning Blog

Wednesday, March 1, 2017

Disk space script

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