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42a39b0ddc
This change refactors EppMetrics from the mutable self-exporting thing that it was into a real value type EppMetric, and delegates exporting functionality to the BigQueryMetricsEnqueuer. ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=132387660
69 lines
2.5 KiB
Java
69 lines
2.5 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 google.registry.monitoring.whitebox;
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import static com.google.appengine.api.taskqueue.QueueFactory.getQueue;
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import static com.google.appengine.api.taskqueue.TaskOptions.Builder.withUrl;
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import com.google.appengine.api.modules.ModulesService;
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import com.google.appengine.api.taskqueue.TaskOptions;
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import com.google.appengine.api.taskqueue.TransientFailureException;
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import com.google.common.annotations.VisibleForTesting;
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import google.registry.util.FormattingLogger;
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import java.util.Map.Entry;
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import java.util.UUID;
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import javax.inject.Inject;
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/**
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* A collector of metric information. Enqueues collected metrics to a task queue to be written to
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* BigQuery asynchronously.
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*
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* @see MetricsExportAction
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*/
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public class BigQueryMetricsEnqueuer {
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private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
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public static final String QUEUE = "bigquery-streaming-metrics";
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@Inject ModulesService modulesService;
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@Inject
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BigQueryMetricsEnqueuer() {}
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@VisibleForTesting
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void export(BigQueryMetric metric, String insertId) {
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try {
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String hostname = modulesService.getVersionHostname("backend", null);
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TaskOptions opts =
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withUrl(MetricsExportAction.PATH)
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.header("Host", hostname)
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.param("insertId", insertId);
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for (Entry<String, String> entry : metric.getBigQueryRowEncoding().entrySet()) {
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opts.param(entry.getKey(), entry.getValue());
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}
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opts.param("tableId", metric.getTableId());
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getQueue(QUEUE).add(opts);
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} catch (TransientFailureException e) {
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// Log and swallow. We may drop some metrics here but this should be rare.
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logger.info(e, e.getMessage());
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}
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}
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/** Enqueue a metric to be exported to BigQuery. */
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public void export(BigQueryMetric metric) {
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export(metric, UUID.randomUUID().toString());
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}
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}
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