7b6b097d8a
dnsmasq.conf require a prefix lenght as netmask for IPv6. Convert a IPv6 address netmask to prefix. Closes-Bug: #1828837 Change-Id: Idf84ba30eb4eb6d202faa470209f10c9da40e80b
26 lines
899 B
Ruby
26 lines
899 B
Ruby
Puppet::Functions.create_function(:ipv6_netmask_to_prefix) do
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def ipv6_netmask_to_prefix(args)
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require 'ipaddr'
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result = []
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args.each do |ip_subnet|
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begin
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if IPAddr.new(ip_subnet["netmask"]).ipv6?
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# TODO(hjensas) Once we have ruby stdlib >= 2.5.x we can use
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# IPAddr.new().prefix instead of counting 1's.
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prefix = IPAddr.new(ip_subnet["netmask"]).to_i.to_s(2).count("1")
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Puppet.debug("Netmask #{ip_subnet["netmask"]} changed to prefix #{prefix}")
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ip_subnet_dup = ip_subnet.dup
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ip_subnet_dup["netmask"] = prefix
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result << ip_subnet_dup
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else
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result << ip_subnet
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end
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rescue IPAddr::AddressFamilyError, IPAddr::Error, IPAddr::InvalidAddressError, IPAddr::InvalidPrefixError => e
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# Ignore it
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result << ip_subnet
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end
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end
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return result
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end
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end
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