Public/Get-UDNetMon.ps1

<#
    .SYNOPSIS
        This function starts a PowerShell Universal Dashboard (Web-based GUI) instance on the specified port on the
        localhost. The Dashboard features a Network Monitor tool that pings the specified Remote Hosts in your Domain
        every 5 seconds and reports the results to the site.
 
    .DESCRIPTION
        See .SYNOPSIS
 
    .PARAMETER Port
        This parameter is OPTIONAL, however, it has a default value of 80.
 
        This parameter takes an integer between 1 and 32768 that represents the port on the localhost that the site
        will run on.
 
    .PARAMETER RemoveExistingPUD
        This parameter is OPTIONAL, however, it has a default value of $True.
 
        This parameter is a switch. If used, all running PowerShell Universal Dashboard instances will be removed
        prior to starting the Network Monitor Dashboard.
 
    .EXAMPLE
        # Open an elevated PowerShell Session, import the module, and -
 
        PS C:\Users\zeroadmin> Get-UDNetMon
         
#>

function Get-UDNetMon {
    Param (
        [Parameter(Mandatory=$False)]
        [ValidateRange(1,32768)]
        [int]$Port = 80,

        [Parameter(Mandatory=$False)]
        [switch]$RemoveExistingPUD = $True
    )

    # Remove all current running instances of PUD
    if ($RemoveExistingPUD) {
        Get-UDDashboard | Stop-UDDashboard
    }

    # Make sure we can resolve the $DomainName
    try {
        $DomainName = $(Get-CimInstance Win32_ComputerSystem).Domain
        $ResolveDomainInfo = [System.Net.Dns]::Resolve($DomainName)
    }
    catch {
        Write-Error "Unable to resolve domain '$DomainName'! Halting!"
        $global:FunctionResult = "1"
        return
    }

    # Get all Computers in Active Directory without the ActiveDirectory Module
    [System.Collections.ArrayList]$RemoteHostList = $(GetComputerObjectsInLDAP).Name
    if ($PSVersionTable.PSEdition -eq "Core") {
        [System.Collections.ArrayList]$RemoteHostList = $RemoteHostList | foreach {$_ -replace "CN=",""}
    }
    $null = $RemoteHostList.Insert(0,"Please Select a Server")


    [System.Collections.ArrayList]$Pages = @()

    # Create Home Page
    $HomePageContent = {
        New-UDLayout -Columns 1 -Content {
            New-UDCard -Title "Network Monitor" -Id "NMCard" -Text "Monitor Network" -Links @(
                New-UDLink -Text "Network Monitor" -Url "/NetworkMonitor" -Icon dashboard
            )
        }
    }
    $HomePage = New-UDPage -Name "Home" -Icon home -Content $HomePageContent
    $null = $Pages.Add($HomePage)

    # Create Network Monitor Page
    [scriptblock]$NMContentSB = {
        for ($i=1; $i -lt $RemoteHostList.Count; $i++) {
            New-UDInputField -Type 'radioButtons' -Name "Server$i" -Values $RemoteHostList[$i]
        }
    }
    [System.Collections.ArrayList]$paramStringPrep = @()
    for ($i=1; $i -lt $RemoteHostList.Count; $i++) {
        $StringToAdd = '$' + "Server$i"
        $null = $paramStringPrep.Add($StringToAdd)
    }
    $paramString = 'param(' + $($paramStringPrep -join ', ') + ')'
    $NMEndPointSBAsStringPrep = @(
        $paramString
        '[System.Collections.ArrayList]$SubmitButtonActions = @()'
        ''
        ' foreach ($kvpair in $PSBoundParameters.GetEnumerator()) {'
        ' if ($kvpair.Value -ne $null) {'
        ' $AddNewRow = New-UDRow -Columns {'
        ' New-UDColumn -Size 6 {'
        ' # Create New Grid'
        ' [System.Collections.ArrayList]$LastFivePings = @()'
        ' $PingResultProperties = @("Status","IPAddress","RoundtripTime","DateTime")'
        ' $PingGrid = New-UdGrid -Title $kvpair.Value -Headers $PingResultProperties -AutoRefresh -Properties $PingResultProperties -Endpoint {'
        ' try {'
        ' $ResultPrep = [System.Net.NetworkInformation.Ping]::new().Send('
        ' $($kvpair.Value),1000'
        ' )| Select-Object -Property Address,Status,RoundtripTime -ExcludeProperty PSComputerName,PSShowComputerName,RunspaceId'
        ' $GridData = [PSCustomObject]@{'
        ' IPAddress = $ResultPrep.Address.IPAddressToString'
        ' Status = $ResultPrep.Status.ToString()'
        ' RoundtripTime = $ResultPrep.RoundtripTime'
        ' DateTime = Get-Date -Format MM-dd-yy_hh:mm:sstt'
        ' }'
        ' }'
        ' catch {'
        ' $GridData = [PSCustomObject]@{'
        ' IPAddress = "Unknown"'
        ' Status = "Unknown"'
        ' RoundtripTime = "Unknown"'
        ' DateTime = Get-Date -Format MM-dd-yy_hh:mm:sstt'
        ' }'
        ' }'
        ' if ($LastFivePings.Count -eq 5) {'
        ' $LastFivePings.RemoveAt($LastFivePings.Count-1)'
        ' }'
        ' $LastFivePings.Insert(0,$GridData)'
        ' $LastFivePings | Out-UDGridData'
        ' }'
        ' $PingGrid'
        ' #$null = $SubmitButtonActions.Add($PingGrid)'
        ' }'
        ''
        ' New-UDColumn -Size 6 {'
        ' # Create New Monitor'
        ' $PingMonitor = New-UdMonitor -Title $kvpair.Value -Type Line -DataPointHistory 20 -RefreshInterval 5 -ChartBackgroundColor "#80FF6B63" -ChartBorderColor "#FFFF6B63" -Endpoint {'
        ' try {'
        ' [bool]$([System.Net.NetworkInformation.Ping]::new().Send($($kvpair.Value),1000)) | Out-UDMonitorData'
        ' }'
        ' catch {'
        ' $False | Out-UDMonitorData'
        ' }'
        ' }'
        ' $PingMonitor'
        ' #$null = $SubmitButtonActions.Add($PingMonitor)'
        ' }'
        ' }'
        ' $null = $SubmitButtonActions.Add($AddNewRow)'
        ' }'
        ' }'
        'New-UDInputAction -Content $SubmitButtonActions'
    )
    $NMEndPointSBAsString = $NMEndPointSBAsStringPrep -join "`n"
    $NMEndPointSB = [scriptblock]::Create($NMEndPointSBAsString)
    $NetworkMonitorPageContent = {
        New-UDInput -Title "Select Servers To Monitor" -Id "Form" -Content $NMContentSB -Endpoint $NMEndPointSB
    }
    $NetworkMonitorPage = New-UDPage -Name "NetworkMonitor" -Icon dashboard -Content $NetworkMonitorPageContent
    $null = $Pages.Add($NetworkMonitorPage)
    
    # Finalize the Site
    $MyDashboard = New-UDDashboard -Pages $Pages

    # Start the Site
    Start-UDDashboard -Dashboard $MyDashboard -Port $Port
}