我正在尝试使用工作流程，以便通过在多台计算机上并行运行ping来使脚本运行得更快。我遇到困难的地方是尝试在工作流程中使用我的if / else语句，并根据ping的结果添加日志条目。现在，它没有根据ping结果向日志写任何内容。任何帮助将不胜感激。我愿意接受不同方法的建议，只要它们不涉及使用模块。我想坚持使用Powershell代码（我没有权限在运行它的服务器上安装模块）。谢谢！这是我目前的代码：
<#
.NOTES
===========================================================================
Created on: 10/6/2016 8:06 AM
Created by:
Organization:
Filename: Get-MPOSOfflinePrinters.ps1
===========================================================================
.DESCRIPTION
#>
$logfile = "D:\Logs\MPOSPrinterPingLog.txt"
$offlineprinters = "D:\Reports\MPOS\MPOSOfflinePrinters.txt"
If (Test-Path $logfile) {Remove-Item $logfile}
If (Test-Path $offlineprinters) {Remove-Item $offlineprinters}
Add-Content $logfile "Setting local path"
$localPath = "C:\Temp\MPOS"
Add-Content $logfile "Gathering server list"
$serverList = (Get-ADComputer -Filter "Name -like 'Q0*P30' -or Name -like 'Q0*P32'" -SearchBase "OU=Print,OU=Prod,OU=POS,DC=COMPANY,DC=NET").name | Sort-Object | Out-File C:\Temp\MPOS\MPOSPrintServers.txt
$serverListPath = "C:\Temp\MPOS\MPOSPrintServers.txt"
#Retrieve a list of MPOS Print servers from text file and set to $serverNames
Add-Content $logfile "Compiling text file"
$serverNames = Get-Content -Path $serverListPath
#Iterate through each of the server names
foreach ($serverName in $serverNames) {
Add-Content $logfile "Processing $serverName"
#Check if the server is online before doing the remote command
If (Test-Connection -ComputerName $serverName -Quiet -count 1) {
Add-Content $logfile "$serverName is online"
#copy config file from MPOS print to local server for processing
$timestamp1 = (Get-Date -Format g)
Add-Content $logfile "$timestamp1 - Copying xml file from server to local path"
$configPath = "\\$($serverName)\C$\ProgramData\Microsoft\Point Of Service\Configuration\Configuration.xml"
Copy-Item $configPath $localPath
#process xml file to parse IP addresses for ping
$timestamp2 = (Get-Date -Format g)
Add-Content $logfile "$timestamp2 - Processing xml file from $serverName to parse data to csv"
$xml = [xml](Get-Content C:\Temp\MPOS\Configuration.xml)
$PrinterNames = $xml.selectNodes('//PointOfServiceConfig/ServiceObject/Device') | foreach {New-Object -TypeName psobject -Property @{LogicalName=$_.LogicalName.Name}}
$PrinterIPs = $xml.selectNodes('//PointOfServiceConfig/ServiceObject/Device') | foreach {New-Object -TypeName psobject -Property @{HardwarePath=$_.HardwarePath}}
workflow Test-WFConnection {
param(
[string[]]$PrinterIPs
)
foreach -parallel ($PrinterIP in $PrinterIPs) {
$pingableIP = $PrinterIP.HardwarePath
If (Test-Connection -ComputerName $pingableIP -Quiet -Count 1 -ErrorAction SilentlyContinue) {
$timestamp3 = (Get-Date -Format g)
Add-Content -Path $logfile -Value ("$timestamp3 - $serverName, $pingableIP is online and pingable")
} #If (Test-Connection $pingableIP -Quiet -Count 1 -ErrorAction SilentlyContinue) {
Else {
$timestamp3 = (Get-Date -Format g)
Add-Content -Path $offlineprinters -Value ("$timestamp3 - $serverName, $pingableIP is offline!")
} #Else
} #foreach -parallel ($PrinterIP in $PrinterIPs) {
} #workflow Test-WFConnection {
Test-WFConnection -PSComputerName $PrinterIPs
} #If (Test-Connection -ComputerName $serverName -Quiet -count 1) {
Else {
Add-Content $logfile "$serverName is offline!"
} #Else
} #foreach ($serverName in $serverNames) {