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-rw-r--r--lib/facter/netmask_ipv6.rb47
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/facter/netmask_ipv6.rb b/lib/facter/netmask_ipv6.rb
new file mode 100644
index 0000000..5261485
--- /dev/null
+++ b/lib/facter/netmask_ipv6.rb
@@ -0,0 +1,47 @@
+require 'ipaddr'
+
+def netmask6(value)
+ if value
+ ip = IPAddr.new('::0').mask(value)
+ ip.inspect.split('/')[1].gsub('>', '')
+ end
+end
+
+if Facter.value('facterversion')[0].to_i < 3
+ Facter::Util::IP.get_interfaces.each do |interface|
+ Facter.add('netmask6_' + Facter::Util::IP.alphafy(interface)) do
+ setcode do
+ tmp = []
+ regex = %r{inet6\s+.*\s+(?:prefixlen)\s+(\d+)}x
+ output_int = Facter::Util::IP.get_output_for_interface_and_label(interface, 'netmask6')
+
+ output_int.each_line do |line|
+ prefixlen = nil
+ matches = line.match(regex)
+ prefixlen = matches[1] if matches
+
+ if prefixlen
+ value = netmask6(prefixlen)
+ tmp.push(value)
+ end
+ end
+
+ tmp.shift if tmp
+ end
+ end
+ end
+
+ Facter.add('netmask6') do
+ setcode do
+ prefixlen = nil
+ regex = %r{#{Facter.value(:ipaddress6)}.*?(?:prefixlen)\s*(\d+)}x
+
+ String(Facter::Util::IP.exec_ifconfig(['2>/dev/null'])).split(/\n/).collect do |line|
+ matches = line.match(regex)
+ prefixlen = matches[1] if matches
+ end
+
+ netmask6(prefixlen) if prefixlen
+ end
+ end
+end