Class: Fog::DNS::AWS

Inherits:
Service
  • Object
show all
Extended by:
AWS::CredentialFetcher::ServiceMethods
Defined in:
lib/fog/aws/dns.rb,
lib/fog/aws/models/dns/zone.rb,
lib/fog/aws/models/dns/zones.rb,
lib/fog/aws/models/dns/record.rb,
lib/fog/aws/models/dns/records.rb,
lib/fog/aws/requests/dns/get_change.rb,
lib/fog/aws/requests/dns/get_hosted_zone.rb,
lib/fog/aws/requests/dns/get_health_check.rb,
lib/fog/aws/requests/dns/list_hosted_zones.rb,
lib/fog/aws/requests/dns/create_hosted_zone.rb,
lib/fog/aws/requests/dns/delete_hosted_zone.rb,
lib/fog/aws/requests/dns/list_health_checks.rb,
lib/fog/aws/requests/dns/create_health_check.rb,
lib/fog/aws/requests/dns/delete_health_check.rb,
lib/fog/aws/requests/dns/list_resource_record_sets.rb,
lib/fog/aws/requests/dns/change_resource_record_sets.rb

Defined Under Namespace

Classes: Mock, Real, Record, Records, Zone, Zones

Class Method Summary collapse

Methods included from AWS::CredentialFetcher::ServiceMethods

fetch_credentials

Class Method Details

.change_resource_record_sets_data(zone_id, change_batch, version, options = {}) ⇒ Object

Returns the xml request for a given changeset



26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
 
# File 'lib/fog/aws/requests/dns/change_resource_record_sets.rb', line 26

def self.change_resource_record_sets_data(zone_id, change_batch, version, options = {})
  # AWS methods return zone_ids that looks like '/hostedzone/id'.  Let the caller either use
  # that form or just the actual id (which is what this request needs)
  zone_id = zone_id.sub('/hostedzone/', '')

  optional_tags = ''
  options.each do |option, value|
    case option
    when :comment
      optional_tags += "<Comment>#{value}</Comment>"
    end
  end

  #build XML
  if change_batch.count > 0

    changes = "<ChangeBatch>#{optional_tags}<Changes>"

    change_batch.each do |change_item|
      action_tag = %Q{<Action>#{change_item[:action]}</Action>}
      name_tag   = %Q{<Name>#{change_item[:name]}</Name>}
      type_tag   = %Q{<Type>#{change_item[:type]}</Type>}

      # TTL must be omitted if using an alias record
      ttl_tag = ''
      ttl_tag += %Q{<TTL>#{change_item[:ttl]}</TTL>} unless change_item[:alias_target]

      weight_tag = ''
      set_identifier_tag = ''
      region_tag = ''
      if change_item[:set_identifier]
        set_identifier_tag += %Q{<SetIdentifier>#{change_item[:set_identifier]}</SetIdentifier>}
        if change_item[:weight] # Weighted Record
          weight_tag += %Q{<Weight>#{change_item[:weight]}</Weight>}
        elsif change_item[:region] # Latency record
          region_tag += %Q{<Region>#{change_item[:region]}</Region>}
        end
      end

      failover_tag = if change_item[:failover]
                       %Q{<Failover>#{change_item[:failover]}</Failover>}
                     end

      geolocation_tag = if change_item[:geo_location]
                          xml_geo = change_item[:geo_location].map { |k,v| "<#{k}>#{v}</#{k}>" }.join
                          %Q{<GeoLocation>#{xml_geo}</GeoLocation>}
                        end

      resource_records = change_item[:resource_records] || []
      resource_record_tags = ''
      resource_records.each do |record|
        resource_record_tags += %Q{<ResourceRecord><Value>#{record}</Value></ResourceRecord>}
      end

      # ResourceRecords must be omitted if using an alias record
      resource_tag = ''
      resource_tag += %Q{<ResourceRecords>#{resource_record_tags}</ResourceRecords>} if resource_records.any?

      alias_target_tag = ''
      if change_item[:alias_target]
        # Accept either underscore or camel case for hash keys.
        dns_name = change_item[:alias_target][:dns_name] || change_item[:alias_target][:DNSName]
        hosted_zone_id = change_item[:alias_target][:hosted_zone_id] || change_item[:alias_target][:HostedZoneId] || AWS.hosted_zone_for_alias_target(dns_name)
        evaluate_target_health = change_item[:alias_target][:evaluate_target_health] || change_item[:alias_target][:EvaluateTargetHealth] || false
        evaluate_target_health_xml = !evaluate_target_health.nil? ? %Q{<EvaluateTargetHealth>#{evaluate_target_health}</EvaluateTargetHealth>} : ''
        alias_target_tag += %Q{<AliasTarget><HostedZoneId>#{hosted_zone_id}</HostedZoneId><DNSName>#{dns_name}</DNSName>#{evaluate_target_health_xml}</AliasTarget>}
      end

      health_check_id_tag = if change_item[:health_check_id]
                              %Q{<HealthCheckId>#{change_item[:health_check_id]}</HealthCheckId>}
                            end

      change_tags = %Q{<Change>#{action_tag}<ResourceRecordSet>#{name_tag}#{type_tag}#{set_identifier_tag}#{weight_tag}#{region_tag}#{failover_tag}#{geolocation_tag}#{ttl_tag}#{resource_tag}#{alias_target_tag}#{health_check_id_tag}</ResourceRecordSet></Change>}
      changes += change_tags
    end

    changes += '</Changes></ChangeBatch>'
  end

  %Q{<?xml version="1.0" encoding="UTF-8"?><ChangeResourceRecordSetsRequest xmlns="https://route53.amazonaws.com/doc/#{version}/">#{changes}</ChangeResourceRecordSetsRequest>}
end

.elb_hosted_zone_mapping ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/fog/aws/requests/dns/change_resource_record_sets.rb', line 11

def self.elb_hosted_zone_mapping
  @elb_hosted_zone_mapping ||= {
    "ap-northeast-1" => "Z2YN17T5R711GT",
    "ap-southeast-1" => "Z1WI8VXHPB1R38",
    "ap-southeast-2" => "Z2999QAZ9SRTIC",
    "eu-west-1"      => "Z3NF1Z3NOM5OY2",
    "eu-central-1"   => "Z215JYRZR1TBD5",
    "sa-east-1"      => "Z2ES78Y61JGQKS",
    "us-east-1"      => "Z3DZXE0Q79N41H",
    "us-west-1"      => "Z1M58G0W56PQJA",
    "us-west-2"      => "Z33MTJ483KN6FU",
  }
end

.hosted_zone_for_alias_target(dns_name) ⇒ Object 



5
6
7
8
9
 
# File 'lib/fog/aws/requests/dns/change_resource_record_sets.rb', line 5

def self.hosted_zone_for_alias_target(dns_name)
  Hash[elb_hosted_zone_mapping.select { |k, _|
    dns_name =~ /\A.+\.#{k}\.elb\.amazonaws\.com\.?\z/
  }].values.last
end