module Bosh::Director::IpUtil

Public Instance Methods

each_ip(ranges, &block) click to toggle source
# File lib/bosh/director/ip_util.rb, line 4
def each_ip(ranges, &block)
  if ranges.kind_of?(Array)
    ranges.each do |range|
      process_range(range, &block)
    end
  elsif ranges.kind_of?(String)
    process_range(ranges, &block)
  elsif !ranges.nil?
    raise ArgumentError,
          "Unknown range type, must be list or a string: " +
          "#{ranges.class} #{ranges}"
  end
end
format_ip(ip) click to toggle source

@param [Integer] ip Integer IP representation @return [String] Human-readable IP representation

# File lib/bosh/director/ip_util.rb, line 37
def format_ip(ip)
  ip_to_netaddr(ip).ip
end
ip_to_i(ip) click to toggle source
# File lib/bosh/director/ip_util.rb, line 18
def ip_to_i(ip)
  unless ip.kind_of?(Integer)
    unless ip.kind_of?(NetAddr::CIDR)
      ip = NetAddr::CIDR.create(ip)
    end
    ip = ip.to_i
  end
  ip
end
ip_to_netaddr(ip) click to toggle source
# File lib/bosh/director/ip_util.rb, line 28
def ip_to_netaddr(ip)
  unless ip.kind_of?(NetAddr::CIDR)
    ip = NetAddr::CIDR.create(ip)
  end
  ip
end

Private Instance Methods

process_range(range) { |ip| ... } click to toggle source
# File lib/bosh/director/ip_util.rb, line 43
def process_range(range)
  parts = range.split("-")
  parts.each { |part| part.strip! }
  if parts.size == 1
    range = NetAddr::CIDR.create(parts[0])
    first_ip = range.first(:Objectify => true).to_i
    last_ip = range.last(:Objectify => true).to_i
    (first_ip .. last_ip).each do |ip|
      yield ip
    end
  elsif parts.size == 2
    first_ip = NetAddr::CIDR.create(parts[0])
    last_ip = NetAddr::CIDR.create(parts[1])
    unless first_ip.size == 1 && last_ip.size == 1
      raise NetworkInvalidIpRangeFormat, "Invalid IP range format: #{range}"
    end
    (first_ip.to_i .. last_ip.to_i).each do |ip|
      yield ip
    end
  else
    raise NetworkInvalidIpRangeFormat,
      "Invalid IP range format: #{range}"
  end
rescue ArgumentError, NetAddr::ValidationError => e
  raise NetworkInvalidIpRangeFormat, e.message
end