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path: root/lib/oxidized/model/ios.rb
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class IOS < Oxidized::Model

  prompt /^([\w.@()-]+[#>]\s?)$/
  comment  '! '

  # example how to handle pager
  #expect /^\s--More--\s+.*$/ do |data, re|
  #  send ' '
  #  data.sub re, ''
  #end

  # non-preferred way to handle additional PW prompt
  #expect /^[\w.]+>$/ do |data|
  #  send "enable\n"
  #  send vars(:enable) + "\n"
  #  data
  #end

  cmd :all do |cfg|
    #cfg.gsub! /\cH+\s{8}/, ''         # example how to handle pager
    #cfg.gsub! /\cH+/, ''              # example how to handle pager
    # get rid of errors for commands that don't work on some devices
    cfg.gsub! /^% Invalid input detected at '\^' marker\.$|^\s+\^$/, ''
    cfg.each_line.to_a[1..-2].join
  end

  cmd :secret do |cfg|
    cfg.gsub! /^(snmp-server community).*/, '\\1 <configuration removed>'
    cfg.gsub! /^(username \S+ privilege \d+) (\S+).*/, '\\1 <secret hidden>'
    cfg.gsub! /^(username \S+ password \d) (\S+)/, '\\1 <secret hidden>'
    cfg.gsub! /^(username \S+ secret \d) (\S+)/, '\\1 <secret hidden>'
    cfg.gsub! /^(enable (password|secret) \d) (\S+)/, '\\1 <secret hidden>'
    cfg.gsub! /^(\s+(?:password|secret)) (?:\d )?\S+/, '\\1 <secret hidden>'
    cfg.gsub! /^(.*wpa-psk ascii \d) (\S+)/, '\\1 <secret hidden>'
    cfg.gsub! /^(.*key 7) (\d.+)/, '\\1 <secret hidden>'
    cfg.gsub! /^(tacacs-server key \d) (\S+)/, '\\1 <secret hidden>'
    cfg.gsub! /^(crypto isakmp key) (\S+) (.*)/, '\\1 <secret hidden> \\3'
    cfg
  end

  cmd 'show version' do |cfg|
    comments = []
    comments << cfg.lines.first
    lines = cfg.lines
    lines.each_with_index do |line,i|
        slave = ''
        slaveslot = ''

        if line.match /^Slave in slot (\d+) is running/
            slave = " Slave:";
            slaveslot = ", slot #{$1}";
        end

        if line.match /^Compiled (.*)$/
            comments << "Image:#{slave} Compiled: #{$1}"
        end

        if line.match /^(?:Cisco )?IOS .* Software,? \(([A-Za-z0-9_-]*)\), .*Version\s+(.*)$/
            comments << "Image:#{slave} Software: #{$1}, #{$2}"
        end

        if line.match /^ROM: (IOS \S+ )?(System )?Bootstrap.*(Version.*)$/
            comments << "ROM Bootstrap: #{$3}"
        end

        if line.match /^BOOTFLASH: .*(Version.*)$/
            comments << "BOOTFLASH: #{$1}"
        end

        if line.match /^(\d+[kK]) bytes of (non-volatile|NVRAM)/
            comments << "Memory: nvram #{$1}"
        end

        if line.match /^(\d+[kK]) bytes of (flash memory|flash internal|processor board System flash|ATA CompactFlash)/i
            comments << "Memory: flash #{$1}"
        end

        if line.match (/^(\d+[kK]) bytes of (Flash|ATA)?.*PCMCIA .*(slot|disk) ?(\d)/i)
            comments << "Memory: pcmcia #{$2} #{$3}#{$4} #{$1}";
        end

        if line.match /(\S+(?:\sseries)?)\s+(?:\((\S+)\)\s+processor|\(revision[^)]+\)).*\s+with (\S+k) bytes/i
            sproc = $1
            cpu = $2
            mem = $3
            cpuxtra = ''
            comments << "Chassis type:#{slave} #{sproc}";
            comments << "Memory:#{slave} main #{mem}";
            # check the next two lines for more CPU info
            if cfg.lines[i+1].match /processor board id (\S+)/i
                comments << "Processor ID: #{$1}";
            end
            if cfg.lines[i+2].match /(cpu at |processor: |#{cpu} processor,)/i
                # change implementation to impl and prepend comma
                cpuxtra = cfg.lines[i+2].gsub(/implementation/,'impl').gsub(/^/,', ').chomp;
            end
            comments << "CPU:#{slave} #{cpu}#{cpuxtra}#{slaveslot}";
        end

        if line.match /^System image file is "([^\"]*)"$/
            comments << "Image: #{$1}"
        end
    end
    comments << "\n"
    comment comments.join "\n"
  end

  cmd 'show vtp status' do |cfg|
    cfg.gsub! /^$\n/, ''
    cfg.gsub! /^/, 'VTP: ' if (!cfg.empty?)
    comment "#{cfg}\n"
  end

  cmd 'show inventory' do |cfg|
    comment cfg
  end

  cmd 'show running-config' do |cfg|
    cfg = cfg.each_line.to_a[3..-1]
    cfg = cfg.reject { |line| line.match /^ntp clock-period / }.join
    cfg.gsub! /^Current configuration : [^\n]*\n/, ''
    cfg.gsub! /^\ tunnel\ mpls\ traffic-eng\ bandwidth[^\n]*\n*(
                  (?:\ [^\n]*\n*)*
                  tunnel\ mpls\ traffic-eng\ auto-bw)/mx, '\1'
    cfg
  end

  cfg :telnet do
    username /^Username:/
    password /^Password:/
  end

  cfg :telnet, :ssh do
    # preferred way to handle additional passwords
    if vars :enable
      post_login do
        send "enable\n"
        cmd vars(:enable)
      end
    end
    post_login 'terminal length 0'
    post_login 'terminal width 0'
    pre_logout 'exit'
  end

end