Disk Space Report
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#
# Check disk space and send an HTML report as the body of an email.
# Reports only disks on computers that have low disk space.
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# Continue even if there are errors
$ErrorActionPreference = "Continue";
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# Items to change to make it work for you.
#
# EMAIL PROPERTIES
# - the $users that this report will be sent to.
# - near the end of the script the smtpserver, From and Subject.
# REPORT PROPERTIES
# - you can edit the report path and report name of the html file that is the report.
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# Set your warning and critical thresholds
$percentWarning = 20;
$percentCritcal = 10;
# EMAIL PROPERTIES
# Set the recipients of the report.
#$users = "";
$users = "" # I use this for testing by uing my email address.
#$users = "you@company.com", "manager@company.com", "etc@company.com"; # can be sent to individuals.
# REPORT PROPERTIES
# Path to the report
$reportPath = "C:\Scripts_new\DiskSpace_Output1\";
# 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 "C:\Scripts_new\Disk Space\Servers1.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
}
# 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>LYCRA Daily DiskSpace Report</title>
<STYLE TYPE='text/css'>
<!--
td {
font-family: Tahoma;
font-size: 15px;
border-top: 1px solid #999999;
border-right: 1px solid #999999;
border-bottom: 1px solid #999999;
border-left: 1px solid #999999;
padding-top: 0px;
padding-right: 0px;
padding-bottom: 0px;
padding-left: 0px;
}
body {
margin-left: 5px;
margin-top: 5px;
margin-right: 0px;
margin-bottom: 10px;
table {
border: thin solid #000000;
}
-->
</style>
</head>
<body>
<table width='100%'>
<tr bgcolor='#CCCCCC'>
<td colspan='7' height='25' align='center'>
<font face='tahoma' color='#003399' size='4'><strong>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)
{
$computer
$disks = Get-WmiObject -ComputerName $computer -Class Win32_LogicalDisk -Filter "DriveType = 3 AND VolumeName !='SWAP space' AND VolumeName !='Pagefile'"
$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 20% 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>"
# Send Notification if alert $i is greater then 0
if ($i -gt 0)
{
foreach ($user in $users)
{
Write-Host "Sending Email notification to $user"
$smtpServer = ""
$smtp = New-Object Net.Mail.SmtpClient($smtpServer)
$msg = New-Object Net.Mail.MailMessage
$msg.To.Add($user)
#$msg.cc.add("")
$msg.From = ""
$msg.Subject = "Daily DiskSpace Report for $titledate"
$msg.IsBodyHTML = $true
$msg.Body = get-content $diskReport
$smtp.Send($msg)
$body = ""
}
}