Class: Proxy::Dns::Powerdns::Record

Inherits:
Record
  • Object
show all
Includes:
Log, Util
Defined in:
lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(a_server, a_ttl, url, api_key) ⇒ Record

Returns a new instance of Record.



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 11

def initialize(a_server, a_ttl, url, api_key)
  @url = url
  @api_key = api_key

  super(a_server, a_ttl)
end

Instance Attribute Details

#api_key ⇒ Object (readonly)

Returns the value of attribute api_key.



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 9

def api_key
  @api_key
end

#url ⇒ Object (readonly)

Returns the value of attribute url.



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 9

def url
  @url
end

Instance Method Details

#create_record(domain_id, name, type, content) ⇒ Object 



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 53

def create_record domain_id, name, type, content
  content += '.' if ['PTR', 'CNAME'].include?(type)
  rrset = {
    :name => name + '.',
    :type => type,
    :ttl => @ttl.to_i,
    :changetype => :REPLACE,
    :records => [
      {
        :content => content,
        :disabled => false
      }
    ]
  }

  patch_records domain_id, rrset
end

#delete_record(domain_id, name, type) ⇒ Object 



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 71

def delete_record domain_id, name, type
  rrset = {
    :name => name + '.',
    :type => type,
    :changetype => :DELETE,
    :records => []
  }

  patch_records domain_id, rrset
end

#do_create(name, value, type) ⇒ Object 



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 18

def do_create(name, value, type)
  zone = get_zone(name)
  unless create_record(zone['id'], name, type, value)
    raise Proxy::Dns::Error.new("Failed to insert record #{name} #{type} #{value}")
  end
  true
end

#do_remove(name, type) ⇒ Object 



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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 26

def do_remove(name, type)
  zone = get_zone(name)
  delete_record(zone['id'], name, type)
end

#get_zone(name) ⇒ Object

Raises:

  • (Proxy::Dns::Error) 


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# File 'lib/smart_proxy_dns_powerdns/dns_powerdns_main.rb', line 31

def get_zone name
  fqdn = Resolv::DNS::Name.create(name)
  fqdn = Resolv::DNS::Name.create(name + '.') unless fqdn.absolute?
  uri = URI("#{@url}/zones")

  result = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
    request = Net::HTTP::Get.new uri
    request['X-API-Key'] = @api_key
    response = http.request request
    zones = JSON.parse(response.body) rescue []

    zones.select { |zone|
      domain = Resolv::DNS::Name.create(zone['name'])
      domain == fqdn or fqdn.subdomain_of?(domain)
    }.max_by { |zone| zone['name'].length }
  end

  raise Proxy::Dns::Error, "Unable to determine zone for #{name}. Zone must exist in PowerDNS." unless result

  result
end