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CreateOrUpdateRecordSets.java
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CreateOrUpdateRecordSets.java
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/*
* Copyright 2016 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* EDITING INSTRUCTIONS
* This file is referenced in README's and javadoc. Any change to this file should be reflected in
* the project's README's and package-info.java.
*/
package com.google.cloud.examples.dns.snippets;
import com.google.cloud.dns.ChangeRequestInfo;
import com.google.cloud.dns.Dns;
import com.google.cloud.dns.DnsOptions;
import com.google.cloud.dns.RecordSet;
import com.google.cloud.dns.Zone;
import java.util.concurrent.TimeUnit;
/** A snippet for Google Cloud DNS showing how to create and update a resource record set. */
public class CreateOrUpdateRecordSets {
public static void main(String... args) {
// Create a service object.
// The project ID and credentials will be inferred from the environment.
Dns dns = DnsOptions.getDefaultInstance().getService();
// Change this to a zone name that exists within your project
String zoneName = "my-unique-zone";
// Get zone from the service
Zone zone = dns.getZone(zoneName);
// Prepare a <i>www.<zone-domain>.</i> type A record set with ttl of 24 hours
String ip = "12.13.14.15";
RecordSet toCreate =
RecordSet.newBuilder("www." + zone.getDnsName(), RecordSet.Type.A)
.setTtl(24, TimeUnit.HOURS)
.addRecord(ip)
.build();
// Make a change
ChangeRequestInfo.Builder changeBuilder = ChangeRequestInfo.newBuilder().add(toCreate);
// Verify a www.<zone-domain>. type A record does not exist yet.
// If it does exist, we will overwrite it with our prepared record.
for (RecordSet current : zone.listRecordSets().iterateAll()) {
if (toCreate.getName().equals(current.getName())
&& toCreate.getType().equals(current.getType())) {
changeBuilder.delete(current);
}
}
// Build and apply the change request to our zone
ChangeRequestInfo changeRequest = changeBuilder.build();
zone.applyChangeRequest(changeRequest);
}
}