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DeleteZone.java
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DeleteZone.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.ChangeRequest;
import com.google.cloud.dns.ChangeRequestInfo;
import com.google.cloud.dns.Dns;
import com.google.cloud.dns.DnsOptions;
import com.google.cloud.dns.RecordSet;
/**
* A snippet for Google Cloud DNS showing how to delete a zone. It also shows how to list and delete
* DNS records.
*/
public class DeleteZone {
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 and that you want to delete.
String zoneName = "my-unique-zone";
// Get iterable for the existing record sets which have to be deleted before deleting the zone
Iterable<RecordSet> recordIterable = dns.listRecordSets(zoneName).iterateAll();
// Make a change for deleting the records
ChangeRequestInfo.Builder changeBuilder = ChangeRequestInfo.newBuilder();
for (RecordSet current : recordIterable) {
// SOA and NS records cannot be deleted
if (!RecordSet.Type.SOA.equals(current.getType())
&& !RecordSet.Type.NS.equals(current.getType())) {
changeBuilder.delete(current);
}
}
// Build and apply the change request to our zone if it contains records to delete
ChangeRequestInfo changeRequest = changeBuilder.build();
if (!changeRequest.getDeletions().isEmpty()) {
ChangeRequest pendingRequest = dns.applyChangeRequest(zoneName, changeRequest);
// Wait for the change request to complete
while (!pendingRequest.isDone()) {
System.out.println("Waiting for change to complete. Going to sleep for 500ms...");
try {
Thread.sleep(500);
} catch (InterruptedException e) {
System.err.println(
"The thread was interrupted while waiting for change request to be " + "processed.");
}
}
}
// Delete the zone
boolean result = dns.delete(zoneName);
if (result) {
System.out.println("Zone was deleted.");
} else {
System.out.println("Zone was not deleted because it does not exist.");
}
}
}