Class: DnsMadeEasy::Zone::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/dnsmadeeasy/zone/parser.rb

Overview

Parses standard zone-file text into provider-neutral records.

Constant Summary collapse

SUPPORTED_RECORD_CLASSES =

ANAME is absent from the dns-zonefile grammar; ANAME lines are rewritten to CNAME before parsing and converted back afterwards.

{
  'DNS::Zonefile::A' => 'A',
  'DNS::Zonefile::AAAA' => 'AAAA',
  'DNS::Zonefile::CNAME' => 'CNAME',
  'DNS::Zonefile::MX' => 'MX',
  'DNS::Zonefile::NS' => 'NS',
  'DNS::Zonefile::PTR' => 'PTR',
  'DNS::Zonefile::SPF' => 'SPF',
  'DNS::Zonefile::SRV' => 'SRV',
  'DNS::Zonefile::TXT' => 'TXT'
}.freeze
ANAME_LINE = 
/^(?<owner>[^\s;]\S*)\s+(?:\d+\s+)?(?:IN\s+)?ANAME\s+(?<target>\S+)/i

Instance Method Summary collapse

Constructor Details

#initialize(zone_text) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/dnsmadeeasy/zone/parser.rb', line 31

def initialize(zone_text)
  @zone_text = zone_text
  @aname_keys = []
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/dnsmadeeasy/zone/parser.rb', line 36

def call
  zone = DNS::Zonefile.load(parseable_zone_text)
  records, errors = build_records(zone)
  return Failure(errors) if errors.any?

  Success(File.new(origin: zone_origin(zone), ttl: zone_ttl(zone), record_set: RecordSet.new(records: records)))
rescue DNS::Zonefile::ParsingError, DNS::Zonefile::UnknownRecordType, Dry::Struct::Error => e
  Failure([e.message])
end