PowerSwitch

1.1.21

Public/Exos/Get-ExosLogConfig.ps1

function Get-ExosLogConfig {
    [CmdletBinding(DefaultParametersetName = "path")]

    Param (
        [Parameter(Mandatory = $True, Position = 0, ParameterSetName = 'path')]
        [string]$ConfigPath,

        [Parameter(Mandatory = $True, Position = 0, ParameterSetName = 'array')]
        [array]$ConfigArray
    )

    # It's nice to be able to see what cmdlet is throwing output isn't it?
    $VerbosePrefix = "Get-ExosLogConfig:"

    # Check for path and import
    if ($ConfigPath) {
        if (Test-Path $ConfigPath) {
            $LoopArray = Get-Content $ConfigPath
        }
    } else {
        $LoopArray = $ConfigArray
    }

    # Setup return Array
    $IpRx = [regex] "(\d+)\.(\d+)\.(\d+)\.(\d+)"
    $ReturnObject = @()

    $TotalLines = $LoopArray.Count
    $i = 0
    $StopWatch = [System.Diagnostics.Stopwatch]::StartNew() # used by Write-Progress so it doesn't slow the whole function down

    # The following Rx will be ignored
    $IgnoreRx = @(
        '^#$'
    )

    :fileloop foreach ($entry in $LoopArray) {
        $i++

        # Write progress bar, we're only updating every 1000ms, if we do it every line it takes forever

        if ($StopWatch.Elapsed.TotalMilliseconds -ge 1000) {
            $PercentComplete = [math]::truncate($i / $TotalLines * 100)
            Write-Progress -Activity "$VerbosePrefix Reading Support Output" -Status "$PercentComplete% $i/$TotalLines" -PercentComplete $PercentComplete
            $StopWatch.Reset()
            $StopWatch.Start()
        }

        if ($entry -eq "") { continue }

        ###########################################################################################
        # Check for the Section

        $EvalParams = @{}
        $EvalParams.StringToEval = $entry.Trim()

        $EvalParams.Regex = [regex] "^#\ Module\ ems\ configuration"
        $Eval = Get-RegexMatch @EvalParams
        if ($Eval) {
            Write-Verbose "$VerbosePrefix $i`: ems: config started"
            $KeepGoing = $true
            continue
        }

        if ($KeepGoing) {
            # enable log target syslog <server>:<port> vr <vr> <facility>
            $EvalParams.Regex = [regex] '^enable\ log\ target\ syslog\ (?<server>.+?):\d+\ vr .+? .+'
            $Eval = Get-RegexMatch @EvalParams -ReturnGroupNumber 1
            if ($Eval) {
                $ReturnObject += $Eval
                continue
            }

            # ignored lines
            foreach ($Rx in $IgnoreRx) {
                $EvalParams.Regex = [regex] $Rx
                $Eval = Get-RegexMatch @EvalParams
                if ($Eval) {
                    continue fileloop
                }
            }

            # lines not processed
            Write-Verbose "$VerbosePrefix $i`: $entry"

            # next config section
            $EvalParams.Regex = [regex] "^(#)\ "
            $Eval = Get-RegexMatch @EvalParams
            if ($Eval) {
                break fileloop
            }
        }
    }
    return $ReturnObject | Select-Object -Unique
}