Public/Eos/Get-EosRouteTable.ps1
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function Get-EosRouteTable { [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? $VerbosePrefix = "Get-EosRouteTable:" # Check for path and import # Check for path and import if ($ConfigPath) { if (Test-Path $ConfigPath) { $LoopArray = Get-Content $ConfigPath } } else { $LoopArray = $ConfigArray } # Setup return Array $ReturnArray = @() $IpRx = [regex] "(\d+)\.(\d+)\.(\d+)\.(\d+)" $RouteTypeMap = @{} $IpInterface = Get-EosIpInterface -ConfigArray $LoopArray Write-Verbose "$VerbosePrefix $($IpInterface.Count) IpInterfaces found" $TotalLines = $LoopArray.Count $i = 0 $StopWatch = [System.Diagnostics.Stopwatch]::StartNew() # used by Write-Progress so it doesn't slow the whole function down :fileloop foreach ($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 / $TotalLines * 100) Write-Progress -Activity "Reading Support Output" -Status "$PercentComplete% $i/$TotalLines" -PercentComplete $PercentComplete $StopWatch.Reset() $StopWatch.Start() } if ($entry -eq "") { continue } ########################################################################################### # Check for the Section $EvalParams = @{} $EvalParams.StringToEval = $entry # start route table $EvalParams.Regex = [regex] '(^(INET|IP)\ (R|r)oute\ (T|t)able|#show\ ip\ route$)' $Eval = Get-RegexMatch @EvalParams if ($Eval) { Write-Verbose "$VerbosePrefix $i`: Found Route Table start" $KeepGoing = $true continue } if ($KeepGoing) { # end of section $EvalParams.Regex = [regex] '(Number\ of\ routes|->)' $Eval = Get-RegexMatch @EvalParams if ($Eval) { Write-Verbose "$VerbosePrefix $i`: route table: section complete" break } # type codes $Regex = [regex] '(?<code>[^\s]+?)\s?-\s?(?<type>.+?)(,|$)' $Eval = $Regex.Matches($entry) if ($Eval.Success) { Write-Verbose "$VerbosePrefix $i`: found codes" foreach ($match in $Eval) { $Code = $match.Groups['code'].Value.Trim() $Type = $match.Groups['type'].Value.Trim() $RouteTypeMap.$Code = $Type continue } } # route table line securestack router context $EvalParams.Regex = [regex] "^(?<type>[\*\w]+)\s+(?<destination>$IpRx\/\d+)\s\[\d+\/\d+\]\s(via\s+(?<nexthop>$IpRx)|directly)" $Eval = Get-RegexMatch @EvalParams if ($Eval) { $Type = ($Eval.Groups['type'].Value).Trim() $Destination = ($Eval.Groups['destination'].Value).Trim() $NextHop = ($Eval.Groups['nexthop'].Value).Trim() Write-Verbose "$VerbosePrefix $i`: route table: securestack with router context: adding route $Destination -> $NextHop ($Type)" $NewEntry = [IpRoute]::new() $NewEntry.Type = $RouteTypeMap.$Type $NewEntry.Destination = $Destination # Lookup IP Interface if ($NewEntry.Type -eq 'connected') { Write-Verbose "$VerbosePrefix $i`: type is connected, looking for IpInterface" foreach ($ip in $IpInterface.IpAddress) { $ThisIpInterface = $IpInterface | Where-Object { Test-IpInRange -ContainingNetwork $Destination -ContainedNetwork $ip } if ($ThisIpInterface) { $NewEntry.NextHop = $ip -replace '/\d+', '' } } } else { $NewEntry.NextHop = $NextHop } $ReturnArray += $NewEntry continue } # route table line 7100 $EvalParams.Regex = [regex] "^(?<type>\w+)\s+(?<destination>$IpRx\/\d+)\s+\[\d+\/\d+\]\s+\w+\s+(?<nexthop>$IpRx)?" $Eval = Get-RegexMatch @EvalParams if ($Eval) { $Type = ($Eval.Groups['type'].Value).Trim() $Destination = ($Eval.Groups['destination'].Value).Trim() $NextHop = ($Eval.Groups['nexthop'].Value).Trim() Write-Verbose "$VerbosePrefix $i`: route table: 7100: adding route $Destination -> $NextHop ($Type)" $NewEntry = [IpRoute]::new() $NewEntry.Type = $RouteTypeMap.$Type $NewEntry.Destination = $Destination $NewEntry.NextHop = $NextHop $ReturnArray += $NewEntry continue } # route table line securestack non-router context $EvalParams.Regex = [regex] "^(?<destination>$IpRx\/\d+)\s+(?<nexthop>$IpRx)\s+(?<type>\w+)" $Eval = Get-RegexMatch @EvalParams if ($Eval) { $Type = ($Eval.Groups['type'].Value).Trim() $Destination = ($Eval.Groups['destination'].Value).Trim() $NextHop = ($Eval.Groups['nexthop'].Value).Trim() Write-Verbose "$VerbosePrefix $i`: route table: securestack non-router context: adding route $Destination -> $NextHop ($Type)" $RouteTypeMap = @{ 'UG' = 'static' 'UC' = 'connected' } $NewEntry = [IpRoute]::new() $NewEntry.Type = $RouteTypeMap.$Type $NewEntry.Destination = $Destination $NewEntry.NextHop = $NextHop $ReturnArray += $NewEntry continue } } } if ($ReturnArray.Count -eq 0) { Throw "$VerbosePrefix No Route Table found, requires output from 'show ip route'" } else { return $ReturnArray } } |