mirror of
https://github.com/google/nomulus.git
synced 2025-04-30 12:07:51 +02:00
5012893c1d
This change renames directories in preparation for the great package rename. The repository is now in a broken state because the code itself hasn't been updated. However this should ensure that git correctly preserves history for each file.
100 lines
3.9 KiB
Java
100 lines
3.9 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 com.google.domain.registry.tools.server;
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import static com.google.common.base.Preconditions.checkArgument;
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import static com.google.common.collect.Lists.partition;
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import static com.google.domain.registry.model.ofy.ObjectifyService.ofy;
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import static com.google.domain.registry.request.Action.Method.POST;
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import static com.google.domain.registry.util.PipelineUtils.createJobPath;
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import com.google.appengine.tools.mapreduce.Mapper;
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import com.google.appengine.tools.mapreduce.inputs.InMemoryInput;
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import com.google.common.collect.FluentIterable;
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import com.google.common.collect.ImmutableList;
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import com.google.domain.registry.config.RegistryEnvironment;
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import com.google.domain.registry.mapreduce.MapreduceAction;
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import com.google.domain.registry.mapreduce.MapreduceRunner;
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import com.google.domain.registry.model.ofy.CommitLogBucket;
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import com.google.domain.registry.model.ofy.CommitLogCheckpointRoot;
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import com.google.domain.registry.request.Action;
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import com.google.domain.registry.request.Response;
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import com.googlecode.objectify.Key;
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import java.util.Arrays;
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import javax.inject.Inject;
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/** Deletes all commit logs in datastore. */
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@Action(path = "/_dr/task/killAllCommitLogs", method = POST)
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public class KillAllCommitLogsAction implements MapreduceAction {
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@Inject MapreduceRunner mrRunner;
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@Inject Response response;
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@Inject KillAllCommitLogsAction() {}
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@Override
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public final 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 commit logs and checkpoints")
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.setModuleName("tools")
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.runMapreduce(
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new KillAllCommitLogsMapper(),
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new KillAllEntitiesReducer(),
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// Create a in-memory input, assigning each bucket to its own shard for maximum
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// parallelization, with one extra shard for the CommitLogCheckpointRoot.
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ImmutableList.of(
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new InMemoryInput<>(
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partition(
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FluentIterable
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.from(Arrays.<Key<?>>asList(CommitLogCheckpointRoot.getKey()))
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.append(CommitLogBucket.getAllBucketKeys())
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.toList(),
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1))))));
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}
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/**
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* Mapper to delete a {@link CommitLogBucket} or {@link CommitLogCheckpointRoot} and any commit
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* logs or checkpoints that descend from it.
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*
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* <p>This will delete:
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* <ul>
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* <li>{@link CommitLogBucket}
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* <li>{@code CommitLogCheckpoint}
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* <li>{@link CommitLogCheckpointRoot}
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* <li>{@code CommitLogManifest}
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* <li>{@code CommitLogMutation}
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* </ul>
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*/
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static class KillAllCommitLogsMapper extends Mapper<Key<?>, Key<?>, Key<?>> {
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private static final long serialVersionUID = 1504266335352952033L;
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@Override
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public void map(Key<?> bucketOrRoot) {
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for (Key<Object> key : ofy().load().ancestor(bucketOrRoot).keys()) {
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emit(bucketOrRoot, key);
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getContext().incrementCounter("entities emitted");
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getContext().incrementCounter(String.format("%s emitted", key.getKind()));
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}
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}
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}
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}
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