mirror of
https://github.com/google/nomulus.git
synced 2025-04-30 12:07:51 +02:00
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.
102 lines
3.7 KiB
Java
102 lines
3.7 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
|
|
//
|
|
// 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.
|
|
|
|
package google.registry.tools.server;
|
|
|
|
import static com.google.common.base.Preconditions.checkArgument;
|
|
import static google.registry.model.ofy.ObjectifyService.ofy;
|
|
import static google.registry.request.Action.Method.POST;
|
|
import static google.registry.util.PipelineUtils.createJobPath;
|
|
|
|
import com.google.appengine.tools.mapreduce.Input;
|
|
import com.google.appengine.tools.mapreduce.Mapper;
|
|
import com.google.appengine.tools.mapreduce.inputs.InMemoryInput;
|
|
import com.google.common.collect.FluentIterable;
|
|
import com.google.common.collect.ImmutableList;
|
|
import com.google.common.collect.Lists;
|
|
|
|
import com.googlecode.objectify.Key;
|
|
|
|
import google.registry.config.RegistryEnvironment;
|
|
import google.registry.mapreduce.MapreduceAction;
|
|
import google.registry.mapreduce.MapreduceRunner;
|
|
import google.registry.model.ofy.CommitLogBucket;
|
|
import google.registry.model.ofy.CommitLogCheckpointRoot;
|
|
import google.registry.request.Action;
|
|
import google.registry.request.Response;
|
|
|
|
import java.util.Arrays;
|
|
|
|
import javax.inject.Inject;
|
|
|
|
/** Deletes all commit logs in datastore. */
|
|
@Action(path = "/_dr/task/killAllCommitLogs", method = POST)
|
|
public class KillAllCommitLogsAction implements MapreduceAction {
|
|
|
|
@Inject MapreduceRunner mrRunner;
|
|
@Inject Response response;
|
|
@Inject KillAllCommitLogsAction() {}
|
|
|
|
@Override
|
|
public void run() {
|
|
checkArgument( // safety
|
|
RegistryEnvironment.get() == RegistryEnvironment.CRASH
|
|
|| RegistryEnvironment.get() == RegistryEnvironment.UNITTEST,
|
|
"DO NOT RUN ANYWHERE ELSE EXCEPT CRASH OR TESTS.");
|
|
// Create a in-memory input, assigning each bucket to its own shard for maximum parallelization,
|
|
// with one extra shard for the CommitLogCheckpointRoot.
|
|
Input<Key<?>> input = new InMemoryInput<>(
|
|
Lists.partition(
|
|
FluentIterable
|
|
.from(Arrays.<Key<?>>asList(CommitLogCheckpointRoot.getKey()))
|
|
.append(CommitLogBucket.getAllBucketKeys())
|
|
.toList(),
|
|
1));
|
|
response.sendJavaScriptRedirect(createJobPath(mrRunner
|
|
.setJobName("Delete all commit logs")
|
|
.setModuleName("tools")
|
|
.runMapreduce(
|
|
new KillAllCommitLogsMapper(),
|
|
new KillAllEntitiesReducer(),
|
|
ImmutableList.of(input))));
|
|
}
|
|
|
|
/**
|
|
* Mapper to delete a {@link CommitLogBucket} or {@link CommitLogCheckpointRoot} and any commit
|
|
* logs or checkpoints that descend from it.
|
|
*
|
|
* <p>This will delete:
|
|
* <ul>
|
|
* <li>{@link CommitLogBucket}
|
|
* <li>{@code CommitLogCheckpoint}
|
|
* <li>{@link CommitLogCheckpointRoot}
|
|
* <li>{@code CommitLogManifest}
|
|
* <li>{@code CommitLogMutation}
|
|
* </ul>
|
|
*/
|
|
static class KillAllCommitLogsMapper extends Mapper<Key<?>, Key<?>, Key<?>> {
|
|
|
|
private static final long serialVersionUID = 1504266335352952033L;
|
|
|
|
@Override
|
|
public void map(Key<?> bucketOrRoot) {
|
|
for (Key<Object> key : ofy().load().ancestor(bucketOrRoot).keys()) {
|
|
emit(bucketOrRoot, key);
|
|
getContext().incrementCounter("entities emitted");
|
|
getContext().incrementCounter(String.format("%s emitted", key.getKind()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|