This powershell script will generate the necessary IIS config for nxlog.

create_iis_config.ps1

Param([string]$nxlog_dir = "c:\nxlog")

Import-Module WebAdministration;

$input_template = "<Input  {0}>
        Module        im_file
        File          '{1}\W3SVC{2}\\*.log'
        ReadFromLast  TRUE
        Exec          if ((`$raw_event =~ /^#/) or (`$raw_event =~ /^$/)) drop(); \
                  else w3c->parse_csv(); \
                  `$service = '{0}';
    </Input>"

$route_template = ' 
        <Route iis>
        Path {0} => \
            iis_clean => iis_rewrite => \
            logstash_iis
        </Route>'

        

$nxlog_conf_dir = $nxlog_dir + "\conf"
$route_conf = @()

foreach ($site in Get-Website){
    $site_name = $site.name.replace(' ','_')

    $site_logfile = [System.Environment]::ExpandEnvironmentVariables($site.logfile.directory)
    $input = [string]::Format($input_template, $site_name, $site_logfile, $site.id)    

    $route_conf += $site_name

    $file = $nxlog_conf_dir+"\input."+$site.name+".conf"
    new-item $file -type file -force

    $input >> $file
}
        
if($route_conf.count -gt 0){
    $route = [string]::Format($route_template, $route_conf -join ',')
    $route_conf_file = $nxlog_conf_dir+"\routes.conf"
    new-item $route_conf_file -type file -force
    $route >> $route_conf_file
}