Initialer Import der Synology Scripts

Powershell/Shutdown_V2/Modules/Retry.md

@@ -0,0 +1,24 @@
+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
+    }
+}
+```
+
+}