Как отследить переезд файловых ролей на другой хост кластера

#requires -module ActiveDirectory
#requires -module FailoverClusters
#requires -RunAsAdministrator

#💻Создаем папку для логов если ее нет и будим туда записывать все происходящее
function Date {Get-Date -Format "yyyy.MM.dd HH:mm:ss"}

$log_dir = "$PSScriptRoot\Logs\" + $($MyInvocation.MyCommand.Name -replace (".ps1", ""))
if (! (Test-Path $log_dir -PathType Container -ErrorAction SilentlyContinue))
{
New-Item $log_dir -ItemType D -Force | Out-Null
}

$ClusterGroups_dir = "$log_dir\ClusterGroups"
if (! (Test-Path $ClusterGroups_dir -PathType Container -ErrorAction SilentlyContinue))
{
New-Item $ClusterGroups_dir -ItemType D -Force | Out-Null
}

$log = "$log_dir\" + (Get-Date -Format "yyyy_MM_dd_HH_mm_ss") + ".log"
$ClusterGroups_out = "$ClusterGroups_dir\" + (Get-Date -Format "yyyy_MM_dd_HH_mm_ss") + ".csv"

### 👨‍💻Тело скрипта проверяющего, что роль перемещена

"$(Date) Start Processing" | Tee-Object $log -Append

$cluster = "DFSCLUSTER.pyatilistnik.org"

$ClusterGroups = $null

"$(Date) Fetching Cluster Information" | Tee-Object $log -Append

try {
$ClusterGroups = Get-Cluster $cluster -ErrorAction Stop | Get-ClusterGroup -ErrorAction Stop | ? {$_.GroupType -eq "FileServer"}
}
catch {
"$(Date) $($_.exception.message)" | Tee-Object $log -Append
# Break
}

"$(Date) Exporting data to `"$ClusterGroups_out`" file" | Tee-Object $log -Append
$ClusterGroups | select Name, OwnerNode | Export-Csv $ClusterGroups_out -NoTypeInformation -Encoding Unicode

"$(Date) Trying to compater 2 last results" | Tee-Object $log -Append
$ClusterGroups_out_last2 = $null
$ClusterGroups_out_last2 = (Get-ChildItem $ClusterGroups_dir -File | sort LastWriteTime -Descending | select -First 2 | select -Last 1).FullName

if (! $ClusterGroups_out_last2)
{
"$(Date) Unable to get 2nd file for comparison" | Tee-Object $log -Append
Break
}

"$(Date) Going to compare files: `"$ClusterGroups_out`" and `"$ClusterGroups_out_last2`"" | Tee-Object $log -Append

$ClusterGroups_out_content = $ClusterGroups_out_last2_content = $null
$ClusterGroups_out_content = Import-Csv $ClusterGroups_out
$ClusterGroups_out_last2_content = Import-Csv $ClusterGroups_out_last2

$ClusterGroup_diffs = @()

foreach ($ClusterGroup in $ClusterGroups_out_content)
{
$current_owner = $last_owner = $null

$current_owner = $ClusterGroup.OwnerNode
$last_owner = ($ClusterGroups_out_last2_content | ? {$_.Name -eq $ClusterGroup.Name}).OwnerNode

"$(Date) Current owner - `"$current_owner`", last owner - `"$last_owner`"" | Tee-Object $log -Append

if ($current_owner -ne $last_owner)
{
$ClusterGroup_diff = New-Object PSObject
$ClusterGroup_diff | Add-Member -MemberType NoteProperty -Name "ClusterGroup Name" -Value $ClusterGroup.Name
$ClusterGroup_diff | Add-Member -MemberType NoteProperty -Name "Last Owner Node" -Value $last_owner
$ClusterGroup_diff | Add-Member -MemberType NoteProperty -Name "Current Owner Node" -Value $current_owner

$ClusterGroup_diffs += $ClusterGroup_diff
}
}

### 👩‍💻Формируем отчет в виде таблицы и отправляем его по почте gmail.com

if ($ClusterGroup_diffs)
{
"$(Date) Trying to send notification" | Tee-Object $log -Append

$Header = @"
<style>
TABLE {border-width: 1px; border-style: solid; border-color: black; border-collapse: collapse;}
TD {border-width: 1px; padding: 3px; border-style: solid; border-color: black;}
TH {border-width: 1px; padding: 3px; border-style: solid; border-color: black;}
</style>
"@

$body = $ClusterGroup_diffs | select "ClusterGroup Name", "Last Owner Node", "Current Owner Node" | ConvertTo-Html -Head $Header

$body += "<p>Generated on $($env:COMPUTERNAME + "." + $((Get-WmiObject Win32_ComputerSystem).Domain))"

$from = "support@pyatilistnik.org"
$Subject = "Check File Server Roles Owner in $cluster Cluster"
$smtpserver = "pyatilistnik.org"
$secure = $false
$port = 25 # TLS, for SSL use 465
# $username = "support_user"
# $password = "P@ssw0rd"

$message = New-Object System.Net.Mail.MailMessage
$message.From = $from
$message.To.Add("Адресат-1")
$message.BCC.Add("Адресат-2")
$message.BCC.Add("Адресат-3")
# $message.BCC.Add()

$message.Subject = $Subject
$message.Body = $body
$message.IsBodyHtml = $true

$smtp = New-Object Net.Mail.SmtpClient($smtpserver)

try {
$smtp.Send($message)
}
catch {
"$(Date) $($_.exception.message)" | Tee-Object $log -Append
# Break
}
}
else
{
"$(Date) There are no differences" | Tee-Object $log -Append
}
###

"$(Date) End Processing" | Tee-Object $log -Append