Initialer Import der Synology Scripts

Powershell/Shutdown_V2/Modules/Credentials.md

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+function Get-CredentialFromFile {
+param([string]$Path)
+
+```
+if (!(Test-Path $Path)) {
+    throw "Missing credential file: $Path"
+}
+
+Import-Clixml -Path $Path
+```
+
+}

Powershell/Shutdown_V2/Modules/Logging.md

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+enum LogLevel {
+INFO
+WARN
+ERROR
+DEBUG
+}
+
+function Write-Log {
+param(
+[string]$Message,
+[LogLevel]$Level = [LogLevel]::INFO
+)
+
+```
+$ts = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
+$line = "[$ts][$Level] $Message"
+
+switch ($Level) {
+    "INFO"  { Write-Host $line -ForegroundColor Gray }
+    "WARN"  { Write-Host $line -ForegroundColor Yellow }
+    "ERROR" { Write-Host $line -ForegroundColor Red }
+    "DEBUG" { Write-Host $line -ForegroundColor DarkGray }
+}
+```
+
+}

Powershell/Shutdown_V2/Modules/Retry.md

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+function Invoke-Retry {
+param(
+[scriptblock]$Action,
+[int]$Retries = 3,
+[int]$DelaySeconds = 5,
+[string]$Name = "Operation"
+)
+
+```
+for ($i = 1; $i -le $Retries; $i++) {
+    try {
+        return & $Action
+    }
+    catch {
+        Write-Log "$Name failed ($i/$Retries): $($_.Exception.Message)" -Level WARN
+
+        if ($i -eq $Retries) { throw }
+
+        Start-Sleep $DelaySeconds
+    }
+}
+```
+
+}

Powershell/Shutdown_V2/Modules/Shtudown.md

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+function Stop-VMParallel {
+param([array]$VMs, [int]$Throttle = 8)
+
+```
+$VMs | ForEach-Object -Parallel {
+    Import-Module VMware.PowerCLI -ErrorAction SilentlyContinue
+
+    $vm = $_
+
+    if ($vm.PowerState -ne "PoweredOn") { return }
+
+    try {
+        Shutdown-VMGuest -VM $vm -Confirm:$false -ErrorAction Stop
+    }
+    catch {
+        Write-Host "[ERROR] VM failed: $($vm.Name)"
+    }
+} -ThrottleLimit $Throttle
+```
+
+}
+
+function Stop-VMsByGroup {
+param($VMGroups)
+
+```
+$groups = $VMGroups.Gruppe | Sort-Object -Unique
+
+foreach ($g in $groups) {
+
+    $names = ($VMGroups | Where-Object Gruppe -eq $g).Server
+    $vms = Get-VM | Where-Object { $names -contains $_.Name }
+
+    if ($vms) {
+        Stop-VMParallel -VMs $vms
+        Start-Sleep 30
+    }
+}
+```
+
+}
+
+function Stop-UnknownVMs {
+param($VMGroups, $ExcludeRegex)
+
+```
+$vms = Get-VM | Where-Object {
+    ($VMGroups.Server -notcontains $_.Name) -and
+    ($_.Name -notmatch $ExcludeRegex)
+}
+
+if ($vms) {
+    Stop-VMParallel -VMs $vms
+}
+```
+
+}
+
+function Stop-ClusterSafe {
+param([string]$Cluster, [string]$Reason)
+
+```
+Invoke-Retry -Name "Cluster shutdown" -Action {
+    Stop-VsanCluster -Cluster $Cluster -PowerOffReason $Reason -ErrorAction Stop | Out-Null
+}
+```
+
+}

Powershell/Shutdown_V2/Modules/VCenter.md

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+function Connect-ToVCenter {
+param(
+[string]$Server,
+[pscredential]$Credential
+)
+
+```
+Import-Module VMware.PowerCLI -ErrorAction Stop
+Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false | Out-Null
+
+Invoke-Retry -Name "vCenter connect" -Action {
+    Connect-VIServer -Server $Server -Credential $Credential -ErrorAction Stop | Out-Null
+}
+```
+
+}