mirror of
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108 lines
4.2 KiB
Java
108 lines
4.2 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.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 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 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.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 google.registry.request.auth.Auth;
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import javax.inject.Inject;
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/**
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* Deletes all {@link EppResource} objects in Datastore, including indices and descendants.
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*
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* <p>Because there are no auth settings in the {@link Action} annotation, this command can only be
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* run internally, or by pretending to be internal by setting the X-AppEngine-QueueName header,
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* which only admin users can do. That makes this command hard to use, which is appropriate, given
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* the drastic consequences of accidental execution.
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*/
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@Action(
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service = Action.Service.TOOLS,
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path = "/_dr/task/killAllEppResources",
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method = POST,
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auth = Auth.AUTH_INTERNAL_ONLY)
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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(
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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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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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.sendLinkToMapreduceConsole(response);
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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} 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 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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EppResource resource = ofy().load().key(eri.getKey()).now();
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// TODO(b/28247733): What about FKI's for renamed hosts?
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Key<?> indexKey = 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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