Puppet Function: ip_to_erl_format

Defined in:
lib/puppet/functions/ip_to_erl_format.rb
Function type:
Ruby 4.x API

Overview

ip_to_erl_format(String $ip_addr) ⇒ Any

Custom function to convert an IP4/6 address from a string to the erlang inet kernel format. For example from “172.17.0.16” to 172,17,0,16 See erlang.org/doc/man/kernel_app.html and erlang.org/doc/man/inet.html for more information.

Parameters:

  • ip_addr (String)

Returns:

  • (Any) 


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# File 'lib/puppet/functions/ip_to_erl_format.rb', line 8

Puppet::Functions.create_function(:ip_to_erl_format) do
  dispatch :ip_to_erl_format do
    param 'String', :ip_addr
  end

  def ip_to_erl_format(ip_addr)
    ip = IPAddr.new(ip_addr)
    output = '{'
    if ip.ipv6?
      split_char = ':'
      base = 16
    else
      split_char = '.'
      base = 10
    end
    # to_string() prints the canonicalized form
    ip.to_string().split(split_char).each {
      |x| output += x.to_i(base).to_s + ','
    }
    # Remove the last spurious comma
    output = output.chomp(',')
    output += '}'
    return output
  end
end