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# frozen_string_literal: true
# @summary Returns ip addresses of network interfaces (except lo) found by facter.
# @api private
#
# Returns all ip addresses of network interfaces (except lo) found by facter.
# Special network interfaces (e.g. docker0) can be excluded by an exclude list.
Puppet::Functions.create_function(:'ssh::ipaddresses') do
dispatch :ipaddresses do
# @param excluded_interfaces An array of interface names to be excluded.
param 'Array[String[1]]', :excluded_interfaces
# @param excluded_interfaces_re An array of regexp matching interface names to be excluded.
param 'Array', :excluded_interfaces_re
# @return The IP addresses found.
return_type 'Array[Stdlib::IP::Address]'
end
def ipaddresses(excluded_interfaces, excluded_interfaces_re)
facts = closure_scope['facts']
# always exclude loopback interface
excluded_interfaces += ['lo']
if !facts['networking'].nil? && !facts['networking'].empty?
interfaces = facts['networking']['interfaces']
else
interfaces = {}
facts['interfaces'].split(',').each do |iface|
next if facts["ipaddress_#{iface}"].nil? && facts["ipaddress6_#{iface}"].nil?
interfaces[iface] = {}
interfaces[iface]['bindings'] = [{ 'address' => facts["ipaddress_#{iface}"] }] if !facts["ipaddress_#{iface}"].nil? && !facts["ipaddress_#{iface}"].empty?
interfaces[iface]['bindings6'] = [{ 'address' => facts["ipaddress6_#{iface}"] }] if !facts["ipaddress6_#{iface}"].nil? && !facts["ipaddress6_#{iface}"].empty?
end
end
result = []
interfaces.each do |iface, data|
# skip excluded interfaces
next if excluded_interfaces.include?(iface)
next if excluded_interfaces_re.any? { |pattern| Regexp.new(pattern).match?(iface) }
%w[bindings bindings6].each do |binding_type|
next unless data.key?(binding_type)
data[binding_type].each do |binding|
next unless binding.key?('address')
result << binding['address']
end
end
end
# Throw away any v6 link-local addresses
fe8064 = IPAddr.new('fe80::/64')
result.delete_if { |ip| fe8064.include? IPAddr.new(ip) }
result.uniq
end
end
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