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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
111 lines
4.3 KiB
Java
111 lines
4.3 KiB
Java
// Copyright 2016 The Domain Registry 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.flows.async;
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import static google.registry.model.EppResourceUtils.isActive;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import static google.registry.util.PipelineUtils.createJobPath;
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import static google.registry.util.PreconditionsUtils.checkArgumentNotNull;
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import com.google.appengine.tools.mapreduce.Mapper;
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import com.google.common.collect.ImmutableList;
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import com.googlecode.objectify.Key;
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import com.googlecode.objectify.Ref;
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import google.registry.dns.DnsQueue;
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import google.registry.mapreduce.MapreduceAction;
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import google.registry.mapreduce.MapreduceRunner;
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import google.registry.mapreduce.inputs.EppResourceInputs;
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import google.registry.model.domain.DomainResource;
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import google.registry.model.domain.ReferenceUnion;
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import google.registry.model.host.HostResource;
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import google.registry.request.Action;
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import google.registry.request.HttpException.BadRequestException;
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import google.registry.request.Parameter;
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import google.registry.request.Response;
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import google.registry.util.FormattingLogger;
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import google.registry.util.NonFinalForTesting;
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import org.joda.time.DateTime;
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import javax.inject.Inject;
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/**
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* Enqueues DNS refreshes for applicable domains following a host rename.
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*/
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@Action(path = "/_dr/task/dnsRefreshForHostRename")
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public class DnsRefreshForHostRenameAction implements MapreduceAction {
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/** The HTTP parameter name used to specify the websafe key of the host to rename. */
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public static final String PARAM_HOST_KEY = "hostKey";
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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@NonFinalForTesting
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static DnsQueue dnsQueue = DnsQueue.create();
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@Inject @Parameter(PARAM_HOST_KEY) String hostKeyString;
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@Inject MapreduceRunner mrRunner;
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@Inject Response response;
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@Inject DnsRefreshForHostRenameAction() {}
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@Override
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public void run() {
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Key<HostResource> resourceKey = null;
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HostResource host;
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try {
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resourceKey = Key.create(hostKeyString);
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host = checkArgumentNotNull(ofy().load().key(resourceKey).now());
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} catch (IllegalArgumentException e) {
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throw new BadRequestException(resourceKey == null
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? "Could not parse key string: " + hostKeyString
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: "Could not load resource for key: " + resourceKey);
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}
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response.sendJavaScriptRedirect(createJobPath(mrRunner
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.setJobName("Enqueue DNS refreshes for domains following a host rename")
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.setModuleName("backend")
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.runMapOnly(
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new DnsRefreshForHostRenameMapper(host),
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ImmutableList.of(EppResourceInputs.createEntityInput(DomainResource.class)))));
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}
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/** Map over domains and refresh the dns of those that referenced this host. */
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public static class DnsRefreshForHostRenameMapper extends Mapper<DomainResource, Void, Void> {
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private static final long serialVersionUID = -4707015136971008447L;
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private final DateTime hostUpdateTime;
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private final Key<HostResource> targetHostKey;
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DnsRefreshForHostRenameMapper(HostResource host) {
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this.targetHostKey = Key.create(host);
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this.hostUpdateTime = host.getUpdateAutoTimestamp().getTimestamp();
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}
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@Override
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public final void map(DomainResource domain) {
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if (isActive(domain, hostUpdateTime)
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&& domain.getNameservers().contains(ReferenceUnion.create(Ref.create(targetHostKey)))) {
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try {
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dnsQueue.addDomainRefreshTask(domain.getFullyQualifiedDomainName());
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logger.infofmt("Enqueued refresh for domain %s", domain.getFullyQualifiedDomainName());
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} catch (Throwable t) {
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logger.severefmt(t, "Error while refreshing DNS for host rename %s", targetHostKey);
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}
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}
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}
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}
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}
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