Class: Zonesync::Route53

Inherits:
Provider show all
Defined in:
lib/zonesync/route53.rb

Instance Attribute Summary

Attributes inherited from Provider

#config

Instance Method Summary collapse

Methods inherited from Provider

#add_with_duplicate_handling, #diff, #diff!, #diffable_records, from, #initialize, #manifest, #records, #write

Constructor Details

This class inherits a constructor from Zonesync::Provider

Instance Method Details

#add(record) ⇒ Object 



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# File 'lib/zonesync/route53.rb', line 86

def add(record)
  add_with_duplicate_handling(record) do
    begin
      if record.type == "TXT"
        # Route53 requires all TXT records with the same name to be combined into a single record set
        existing_txt_records = records.select do |r|
          r.name == record.name && r.type == "TXT"
        end
        all_txt_records = existing_txt_records + [record]

        # Use UPSERT if records already exist, CREATE if they don't
        action = existing_txt_records.empty? ? "CREATE" : "UPSERT"
        change_records(action, all_txt_records)
      else
        change_record("CREATE", record)
      end
    rescue RuntimeError => e
      # Convert Route53-specific duplicate error to standard exception
      if e.message.include?("RRSet already exists")
        raise DuplicateRecordError.new(record, "Route53 duplicate record error")
      else
        # Re-raise other errors
        raise
      end
    end
  end
end

#change(old_record, new_record) ⇒ Object 



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# File 'lib/zonesync/route53.rb', line 80

def change(old_record, new_record)
  remove(old_record)
  add(new_record)
end

#read ⇒ Object 



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# File 'lib/zonesync/route53.rb', line 12

def read
  @read = T.let(@read, T.nilable(String))
  @read ||= begin
    doc = REXML::Document.new(http.get(""))
    records = doc.elements.collect("*/ResourceRecordSets/ResourceRecordSet") do |record_set|
      to_records(record_set)
    end.flatten.sort
    records.map(&:to_s).join("\n") + "\n"
  end
end

#remove(record) ⇒ Object 



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# File 'lib/zonesync/route53.rb', line 24

def remove(record)
  if record.type == "TXT"
    # Route53 requires all TXT records with the same name to be managed together
    existing_txt_records = records.select do |r|
      r.name == record.name && r.type == "TXT"
    end

    if existing_txt_records.length == 1
      # Only one TXT record, delete it normally
      change_record("DELETE", record)
    else
      # Multiple TXT records - delete all, then recreate without the removed one
      remaining_txt_records = existing_txt_records.reject { |r| r == record }

      # Use change_records to handle both DELETE and CREATE in one request
      grouped = [
        [existing_txt_records, "DELETE"],
        [remaining_txt_records, "CREATE"]
      ]

      http.post("", ERB.new(<<~XML, trim_mode: "-").result(binding))
        <?xml version="1.0" encoding="UTF-8"?>
        <ChangeResourceRecordSetsRequest xmlns="https://route53.amazonaws.com/doc/2013-04-01/">
          <ChangeBatch>
            <Changes>
              <%- grouped.each do |records_list, action| -%>
              <%- records_grouped = records_list.group_by { |r| [r.name, r.type, r.ttl] } -%>
              <%- records_grouped.each do |(name, type, ttl), group_records| -%>
              <Change>
                <Action><%= action %></Action>
                <ResourceRecordSet>
                  <Name><%= name %></Name>
                  <Type><%= type %></Type>
                  <TTL><%= ttl %></TTL>
                  <ResourceRecords>
                    <%- group_records.each do |group_record| -%>
                    <ResourceRecord>
                      <Value><%= group_record.rdata %></Value>
                    </ResourceRecord>
                    <%- end -%>
                  </ResourceRecords>
                </ResourceRecordSet>
              </Change>
              <%- end -%>
              <%- end -%>
            </Changes>
          </ChangeBatch>
        </ChangeResourceRecordSetsRequest>
      XML
    end
  else
    change_record("DELETE", record)
  end
end