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56 lines
2.3 KiB
Java
56 lines
2.3 KiB
Java
// Copyright 2017 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.dns.writer;
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/**
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* Transaction object for sending an atomic batch of updates for a single zone to the DNS server.
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*
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* <p>Here's an example of how you would publish updates for a domain and host:
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* <pre>
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* @Inject Provider<DnsWriter> dnsWriter;
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* try (DnsWriter writer = dnsWriter.get()) {
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* writer.publishDomain(domainName);
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* writer.publishHost(hostName);
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* }
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* </pre>
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*/
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public interface DnsWriter extends AutoCloseable {
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/**
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* Loads {@code domainName} from Datastore and publishes its NS/DS records to the DNS server.
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* Replaces existing records for the exact name supplied with an NS record for each name server
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* and a DS record for each delegation signer stored in the registry for the supplied domain name.
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* If the domain is deleted or is in a "non-publish" state then any existing records are deleted.
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*
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* @param domainName the fully qualified domain name, with no trailing dot
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*/
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void publishDomain(String domainName);
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/**
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* Loads {@code hostName} from Datastore and publishes its A/AAAA glue records to the DNS server,
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* if it is used as an in-bailiwick nameserver. Orphaned glue records are prohibited. Replaces
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* existing records for the exact name supplied, with an A or AAAA record (as appropriate) for
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* each address stored in the registry, for the supplied host name. If the host is deleted then
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* the existing records are deleted. Assumes that this method will only be called for in-bailiwick
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* hosts. The registry does not have addresses for other hosts.
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*
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* @param hostName the fully qualified host name, with no trailing dot
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*/
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void publishHost(String hostName);
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/** Commits the updates to the DNS server atomically. */
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@Override
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void close();
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}
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