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109 lines
4.5 KiB
Java
109 lines
4.5 KiB
Java
// Copyright 2016 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.tools.server;
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import static com.google.common.base.Preconditions.checkArgument;
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import static google.registry.model.ofy.ObjectifyService.ofy;
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import static google.registry.request.Action.Method.POST;
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import static google.registry.util.PipelineUtils.createJobPath;
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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.Work;
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import google.registry.config.RegistryEnvironment;
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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.EppResource;
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import google.registry.model.domain.DomainApplication;
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import google.registry.model.index.DomainApplicationIndex;
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import google.registry.model.index.EppResourceIndex;
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import google.registry.model.index.ForeignKeyIndex;
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import google.registry.request.Action;
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import google.registry.request.Response;
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import javax.inject.Inject;
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/** Deletes all {@link EppResource} objects in datastore, including indices and descendants. */
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@Action(path = "/_dr/task/killAllEppResources", method = POST)
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public class KillAllEppResourcesAction implements Runnable {
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@Inject MapreduceRunner mrRunner;
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@Inject Response response;
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@Inject KillAllEppResourcesAction() {}
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@Override
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public void run() {
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checkArgument( // safety
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RegistryEnvironment.get() == RegistryEnvironment.CRASH
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|| RegistryEnvironment.get() == RegistryEnvironment.UNITTEST,
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"DO NOT RUN ANYWHERE ELSE EXCEPT CRASH OR TESTS.");
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response.sendJavaScriptRedirect(createJobPath(mrRunner
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.setJobName("Delete all EppResources, children, and indices")
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.setModuleName("tools")
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.runMapreduce(
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new KillAllEppResourcesMapper(),
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new KillAllEntitiesReducer(),
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ImmutableList.of(EppResourceInputs.createIndexInput()))));
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}
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static class KillAllEppResourcesMapper extends Mapper<EppResourceIndex, Key<?>, Key<?>> {
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private static final long serialVersionUID = 8205309000002507407L;
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/**
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* Delete an {@link EppResourceIndex}, its referent, all descendants of each referent, and the
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* {@link ForeignKeyIndex} or {@link DomainApplicationIndex} of the referent, as appropriate.
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*
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* <p>This will delete:
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* <ul>
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* <li>All {@link ForeignKeyIndex} types
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* <li>{@link DomainApplicationIndex}
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* <li>{@link EppResourceIndex}
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* <li>All {@link EppResource} types
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* <li>{@code HistoryEntry}
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* <li>All {@code BillingEvent} types
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* <li>All {@code PollMessage} types
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* </ul>
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*/
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@Override
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public void map(final EppResourceIndex eri) {
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Key<EppResourceIndex> eriKey = Key.create(eri);
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emitAndIncrementCounter(eriKey, eriKey);
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Key<?> resourceKey = eri.getKey();
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for (Key<Object> key : ofy().load().ancestor(resourceKey).keys()) {
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emitAndIncrementCounter(resourceKey, key);
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}
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// Load in a transaction to make sure we don't get stale data (in case of host renames).
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// TODO(b/27424173): A transaction is overkill. When we have memcache-skipping, use that.
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EppResource resource = ofy().transactNewReadOnly(
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new Work<EppResource>() {
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@Override
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public EppResource run() {
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return ofy().load().key(eri.getKey()).now();
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}});
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// TODO(b/28247733): What about FKI's for renamed hosts?
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Key<?> indexKey = resource instanceof DomainApplication
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? DomainApplicationIndex.createKey((DomainApplication) resource)
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: ForeignKeyIndex.createKey(resource);
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emitAndIncrementCounter(indexKey, indexKey);
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}
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private void emitAndIncrementCounter(Key<?> ancestor, Key<?> child) {
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emit(ancestor, child);
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getContext().incrementCounter("entities emitted");
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getContext().incrementCounter(String.format("%s emitted", child.getKind()));
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}
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}
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}
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