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|
# ======================================================================
#
# Manufacturer: Eaton Tripp Lite Switched Power Distribution Unit (PDU)
# Website: https://www.eaton.com/us/en-us/skuPage.PDUMH15NET.html
# Model: PDUMH15NET
# SNMP/Web Management Accessory Card: WEBCARDLX
#
# HW Requirements: Ethernet cable or USBA-to-MicroUSB cable.
# SW Requirements: Plink.exe from PuTTY terminal client SW (if Ethernet)
# PuTTY: https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html
#
# Script: PowerShell script for turning ON/OFF and power CYCLING the PDU
# Usage: .\Pdu.ps1 [on | off | cycle] [1-16]
#
# ======================================================================
param(
[Parameter(Mandatory=$true, Position=0)]
[ValidateSet("cycle","on","off")]
[string]$Action,
[Parameter(Mandatory=$true, Position=1)]
[ValidateRange(1,16)]
[int]$LoadNumber
)
# =========================
# Configuration
# =========================
$ComNumber = 3
$ComPort = "COM$ComNumber"
$PduIP = "169.254.0.1"
$SshPort = 22
$Username = "localadmin"
$Password = "@Password123"
$Plink = "C:\Program Files\PuTTY\plink.exe"
# =========================
# Helper Functions
# =========================
function Test-PduSerialConnection
{
[bool]$Connected = $false
try
{
$Port = New-Object System.IO.Ports.SerialPort $ComPort,115200,None,8,one
$Port.ReadTimeout = 3000
$Port.WriteTimeout = 3000
$Port.Open()
Start-Sleep 5
$Port.DiscardOutBuffer()
$Port.DiscardInBuffer()
$null = $Port.ReadExisting()
# Wake up console
$Port.WriteLine("")
Start-Sleep 2
$Banner = $Port.ReadExisting()
if ($Banner -match "login|localadmin|PowerAlert|Ubuntu") {
Write-Host "PDU detected on serial connection at $ComPort"
$Connected = $true
} else {
Write-Host "PDU NOT detected on serial connection at $ComPort" -ForegroundColor Yellow
}
}
catch
{
Write-Host "Unable to communicate on serial connection at $ComPort" -ForegroundColor Yellow
Write-Host $_.Exception.Message
}
finally
{
if ($Port -and $Port.IsOpen) {
$Port.DiscardOutBuffer()
$Port.DiscardInBuffer()
if ($Port.BytesToRead -gt 0) {
$null = $Port.ReadExisting()
}
$Port.Close()
}
$Port.Dispose()
$Port = $null
}
return $Connected
}
function Send-PduSerialCommand
{
param([string]$Action)
$Port = New-Object System.IO.Ports.SerialPort $ComPort,115200,None,8,one
try
{
$Port.ReadTimeout = 3000
$Port.WriteTimeout = 3000
$Port.Open()
Start-Sleep 5
$Port.DiscardOutBuffer()
$Port.DiscardInBuffer()
$null = $Port.ReadExisting()
Write-Host "Using SERIAL connection..." -ForegroundColor Green
$Port.WriteLine("")
Start-Sleep 2
Write-Host "Sending Username to PDU..."
$Port.WriteLine($Username)
Start-Sleep 2
Write-Host "Sending Password to PDU..."
$Port.WriteLine($Password)
Start-Sleep 5
# Sending [ cycle | on | off ] command to PDU.
Write-Host "Sending '$Action' command to PDU..."
$Port.WriteLine("device; load $LoadNumber; $Action force")
Start-Sleep 2
# "Sending Exit command to PDU..."
$Port.WriteLine("exit; exit; exit")
Start-Sleep 2
}
catch
{
Write-Host "Unable to communicate with $ComPort"
Write-Host $_.Exception.Message
}
finally
{
if ($Port -and $Port.IsOpen) {
$Port.DiscardOutBuffer()
$Port.DiscardInBuffer()
if ($Port.BytesToRead -gt 0) {
$null = $Port.ReadExisting()
}
$Port.Close()
Write-Host "Closed serial port $ComPort"
}
if ($Port)
{
$Port.Dispose()
}
$Port = $null
}
}
function Test-PduNetworkConnection
{
[bool]$Connected = $false
try
{
$Client = New-Object System.Net.Sockets.TcpClient
# $Client.Connect($PduIP,$SshPort)
$Result = $Client.BeginConnect($PduIP,$SshPort,$null,$null)
if (-not $Result.AsyncWaitHandle.WaitOne(3000))
{
throw "Connection timeout"
}
$Client.EndConnect($Result)
$Stream = $Client.GetStream()
Start-Sleep 1
$Buffer = New-Object byte[] 1024
$Stream.ReadTimeout = 3000
$Bytes = $Stream.Read($Buffer,0,$Buffer.Length)
$Banner = [System.Text.Encoding]::ASCII.GetString($Buffer,0,$Bytes)
if ($Banner -match "login|localadmin|PowerAlert|Ubuntu") {
Write-Host "PDU detected on network connection at IP: $PduIP, Port: $SshPort"
$Connected = $true
}
else {
Write-Host "PDU NOT detected on network connection at IP: $PduIP, Port: $SshPort" -ForegroundColor Yellow
}
$Client.Close()
}
catch
{
Write-Host "Unable to establish network connection at IP: $PduIP, Port: $SshPort" -ForegroundColor Yellow
Write-Host $_.Exception.Message
}
return $Connected
}
function Send-PduNetworkCommand
{
param([string]$Action)
if (-not (Test-Path $Plink))
{
throw "plink.exe not found: $Plink"
}
Write-Host "Using NETWORK connection..." -ForegroundColor Green
$Command = "device; load $LoadNumber; $Action force; exit; exit; exit"
$Command | & $Plink `
-ssh `
-batch `
-pw $Password `
"$Username@$PduIP" `
}
# =========================
# Main Logic
# =========================
Write-Host ""
Write-Host "Requested Action : $Action"
Write-Host ""
# First choice = Serial
if (Test-PduSerialConnection)
{
Send-PduSerialCommand $Action
exit 0
}
Write-Host "Serial connection not available."
Write-Host "Trying network connection..."
# Second choice = Network
if (Test-PduNetworkConnection)
{
Send-PduNetworkCommand $Action
exit 0
}
Write-Host ""
Write-Host "ERROR: No PDU connection available." -ForegroundColor Red
Write-Host " Serial : $ComPort"
Write-Host " Ethernet : $PduIP"
Write-Host ""
exit 1
|
