# Set-PowerCLIConfiguration -DefaultVIServerMode Single
# Set-PowerCLIConfiguration -InvalidCertificateAction ignore
# Set-PowerCLIConfiguration -ParticipateInCEIP $false

#Start-Transcript "C:\Users\Veeam_Service\Desktop\Backup ESXi Host Configurations.log"

# make sure to stop on an error
$ErrorActionPreference = "Stop"

# host array to backup
$esxiHosts = @(
    "gauntesxi01.home.johnhgaunt.com"
    "gauntesxi02.home.johnhgaunt.com"
    "gauntesxi03.home.johnhgaunt.com"
)

# Loop through each host
foreach ($esxiHost in $esxiHosts) {
    #New-VICredentialStoreItem -host $esxiHost -user root -pass ((get-credential -Message $esxiHost -UserName root).GetNetworkCredential().password); continue
	
	# Only move forward if host is online or else the rename will rename the host folder
	if (Test-Connection -Count 1 $esxiHost) {
		# Backup folder for each host
		$backupFolder = "\\gauntnas.home.johnhgaunt.com\veeam$\ESXi Host Configurations\$esxiHost"

		# Create the backup folder
		new-item -ItemType Directory -Path $backupFolder -ErrorAction SilentlyContinue

		# Get the credentials for the host
		$credentials = Get-VICredentialStoreItem -Host $esxiHost -Verbose

		# Connect to the host
		Connect-VIServer -server $esxiHost `
			-user $credentials.user `
			-Password $credentials.password `
			-verbose

		# Backup the host configuration
		$filename = (Get-VMHostFirmware -vmhost $esxiHost `
			-BackupConfiguration `
			-destinationpath $backupFolder `
			-verbose).Data.Name
		
		# Rename the backup file with the date
		Rename-Item "$backupFolder\$filename" "$backupFolder\$(get-date -UFormat %Y%m%d-%H%M%S) $filename" -verbose

		# Only keep 25 backup files
		$daysToKeep = 25
		# Get old backup files
		$oldBackups = Get-ChildItem $backupFolder | `
			Where-Object { -not $_.PsIsContainer } | `
			Sort-Object CreationTime -Descending | `
			Select-Object -Skip $daysToKeep
		# Loop through each old file and remove it
		foreach ($oldbackup in $oldBackups) {
			Remove-Item -Force $oldbackup.FullName -verbose
		}
	}
}

#Stop-Transcript