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d65bf2a714
This is needed to eliminate the last non-injected use of BigqueryFactory. It gets rid of the deprecated HttpServletUtils now that we don't have lots of separate servlets, and changes the check snapshot servlet's usage of such. It also fixes up some related minor style issues in the update snapshot action (and its injectable parameters). ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=120547998
116 lines
4.7 KiB
Java
116 lines
4.7 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.export;
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import static com.google.domain.registry.request.Action.Method.POST;
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import com.google.api.client.googleapis.json.GoogleJsonResponseException;
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import com.google.api.services.bigquery.Bigquery;
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import com.google.api.services.bigquery.model.Table;
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import com.google.api.services.bigquery.model.TableReference;
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import com.google.api.services.bigquery.model.ViewDefinition;
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import com.google.appengine.api.taskqueue.TaskOptions;
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import com.google.appengine.api.taskqueue.TaskOptions.Method;
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import com.google.domain.registry.bigquery.BigqueryFactory;
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import com.google.domain.registry.config.ConfigModule.Config;
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import com.google.domain.registry.request.Action;
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import com.google.domain.registry.request.HttpException.InternalServerErrorException;
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import com.google.domain.registry.request.Parameter;
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import com.google.domain.registry.util.FormattingLogger;
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import com.google.domain.registry.util.SqlTemplate;
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import java.io.IOException;
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import javax.inject.Inject;
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/** Update a well-known view to point at a certain datastore snapshot table in BigQuery. */
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@Action(path = UpdateSnapshotViewAction.PATH, method = POST)
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public class UpdateSnapshotViewAction implements Runnable {
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/** Headers for passing parameters into the servlet. */
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static final String UPDATE_SNAPSHOT_DATASET_ID_PARAM = "dataset";
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static final String UPDATE_SNAPSHOT_TABLE_ID_PARAM = "table";
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static final String UPDATE_SNAPSHOT_KIND_PARAM = "kind";
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static final String LATEST_SNAPSHOT_DATASET = "latest_snapshot";
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/** Servlet-specific details needed for enqueuing tasks against itself. */
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static final String QUEUE = "export-snapshot-update-view"; // See queue.xml.
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static final String PATH = "/_dr/task/updateSnapshotView"; // See web.xml.
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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@Inject @Parameter(UPDATE_SNAPSHOT_DATASET_ID_PARAM) String datasetId;
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@Inject @Parameter(UPDATE_SNAPSHOT_TABLE_ID_PARAM) String tableId;
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@Inject @Parameter(UPDATE_SNAPSHOT_KIND_PARAM) String kindName;
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@Inject @Config("projectId") String projectId;
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@Inject BigqueryFactory bigqueryFactory;
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@Inject UpdateSnapshotViewAction() {}
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/** Create a task for updating a snapshot view. */
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public static TaskOptions createViewUpdateTask(
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String datasetId, String tableId, String kindName) {
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return TaskOptions.Builder.withUrl(PATH)
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.method(Method.POST)
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.param(UPDATE_SNAPSHOT_DATASET_ID_PARAM, datasetId)
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.param(UPDATE_SNAPSHOT_TABLE_ID_PARAM, tableId)
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.param(UPDATE_SNAPSHOT_KIND_PARAM, kindName);
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}
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@Override
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public void run() {
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try {
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updateSnapshotView(datasetId, tableId, kindName);
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} catch (Throwable e) {
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logger.severefmt(e, "Could not update snapshot view for table %s", tableId);
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throw new InternalServerErrorException("Error in update snapshot view action");
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}
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}
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private void updateSnapshotView(String datasetId, String tableId, String kindName)
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throws IOException {
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Bigquery bigquery = bigqueryFactory.create(projectId, LATEST_SNAPSHOT_DATASET);
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updateTable(bigquery, new Table()
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.setTableReference(new TableReference()
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.setProjectId(projectId)
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.setDatasetId(LATEST_SNAPSHOT_DATASET)
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.setTableId(kindName))
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.setView(new ViewDefinition().setQuery(
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SqlTemplate.create("SELECT * FROM [%DATASET%.%TABLE%]")
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.put("DATASET", datasetId)
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.put("TABLE", tableId)
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.build())));
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logger.infofmt(
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"Updated view %s:%s to point at snapshot table %s:%s.",
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LATEST_SNAPSHOT_DATASET,
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kindName,
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datasetId,
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tableId);
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}
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private static void updateTable(Bigquery bigquery, Table table) throws IOException {
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TableReference ref = table.getTableReference();
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try {
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bigquery.tables()
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.update(ref.getProjectId(), ref.getDatasetId(), ref.getTableId(), table)
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.execute();
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} catch (GoogleJsonResponseException e) {
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if (e.getDetails().getCode() == 404) {
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bigquery.tables().insert(ref.getProjectId(), ref.getDatasetId(), table).execute();
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}
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}
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}
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}
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