53 lines
1.3 KiB
Ruby
Executable File
53 lines
1.3 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require_relative "utils"
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require "netaddr"
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class RdnsZone
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def initialize(data, subnet)
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@data = data
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@subnet = NetAddr::CIDR.create(subnet)
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end
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attr_reader :data
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def [](key)
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(data["zone"] || {})[key]
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end
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def pointers(&blk)
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version = @subnet.version
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@data["network"].each do |name, host|
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ip = host["ipv#{version}"]
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next unless ip
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arpa = NetAddr::CIDR.create(ip).arpa
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next unless arpa.end_with?(@subnet.arpa)
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host_part = arpa[0, arpa.size - @subnet.arpa.size - 1]
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yield name, host_part
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end
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end
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def name
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@subnet.arpa.gsub(/\.$/, "")
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end
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def write_zone_file(root_path)
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zone_template = Template.new(root_path.join("templates/rdns-zone.erb"))
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rdns_path = root_path.join("zones", name)
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atomic_write(rdns_path, zone_template.render(zone: self))
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end
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end
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registry = Registry.new
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root_path = Pathname.new(File.expand_path("../..", __FILE__))
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zone_template = Template.new(root_path.join("templates/dn42-zone.erb"))
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result = zone_template.render(data: registry.data)
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atomic_write(root_path.join("zones/dn42.zone"), result)
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if subnet = try(registry.data, "zone", "v4_subnet")
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RdnsZone.new(registry.data, subnet).write_zone_file(root_path)
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end
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if subnet = try(registry.data, "zone", "v6_subnet")
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RdnsZone.new(registry.data, subnet).write_zone_file(root_path)
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end
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