Cisco ASA Auto Documentation

cisco-asa-hosts.rb

#running-config.cfg
require 'resolv'
i = 0
parent_count = 0
network = false
network_count = 0
host_count = 0
last_host_network = 0
description_count = 0
child_type = ""
host = ""
description = ""
output = false
last_output = 0
hostname = ""
resolver = Resolv::DNS.new()

puts "ID, Address, Hostname, Comments"
IO.foreach("running-config.cfg") do |line| 
  i += 1
  if ( !line.match(/^\:|!/) )
    #puts "line" + i.to_s
    
    if ( !line.match(/^\s/) )
      if (child_type != "nat")
        if last_output != host_count
          output = false
        end
        if !output && ( host != "" )
          begin
            hostname = resolver.getname(host)
          rescue
            hostname = "UNDEFINED"
          end
          puts "#{host_count}, #{host}, #{hostname}, #{description}"
          output = true
          description = ""
          last_output = host_count
        end
      end
      parent_count += 1
      parent = line 
      #puts "#{parent_count}"
      #unless line.match(/^\s/)
      type = parent.split(" ")[0]
      subtype =  parent.split(" ")[1]
      if ( type == "object" ) && ( subtype == "network" )
        temp_name = parent.split(" ")[2]
        if ( !temp_name.match(/^obj/) )
          description = temp_name
        end

        network_count += 1
        #puts "#{network_count}"
        network = true
      else
        network = false
      end
      
      #puts parent + " " + type
      #puts "#{type}"
    else
      if network
        #puts "I'm a network"
        #puts line.split(" ")[0]
        child_type = line.split(" ")[0]
        if ( child_type == "host")
          host_count += 1
          last_host_network = network_count

          # get host ip
          
          host = line.split(" ")[1]
          #puts "Host: #{host}"
          
        elsif ( child_type == "description")
          # if network count stayed the same and parent count stayed the same change description var, else blank
          if ( last_host_network == network_count )
            # get description
            description_count += 1
            description = description + line.sub(" #{line.split(" ")[0]}", '')
            #puts description
            
            #description = line.split(" ")[1]
            #puts "Description: #{description}"
          else 
            description = ""
          end
          
        else
          #puts "WTF"
        end
        
        # iterate over children
      else
        #puts "I'm not a network"
        network = false
      end
      
    end



    #out.puts line 
  end


end