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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.
84 lines
3.1 KiB
Java
84 lines
3.1 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 static google.registry.bigquery.BigqueryUtils.toBigqueryTimestamp;
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import com.google.appengine.api.modules.ModulesService;
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import com.google.appengine.api.modules.ModulesServiceFactory;
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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.base.Supplier;
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import google.registry.util.Clock;
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import google.registry.util.FormattingLogger;
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import google.registry.util.NonFinalForTesting;
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import google.registry.util.SystemClock;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.UUID;
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import java.util.concurrent.TimeUnit;
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/** A collector of metric information. */
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public abstract class Metrics {
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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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@NonFinalForTesting
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private static ModulesService modulesService = ModulesServiceFactory.getModulesService();
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@NonFinalForTesting
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private static Clock clock = new SystemClock();
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@NonFinalForTesting
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private static Supplier<String> idGenerator =
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new Supplier<String>() {
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@Override
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public String get() {
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return UUID.randomUUID().toString();
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}};
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protected final Map<String, Object> fields = new HashMap<>();
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private final long startTimeMillis = clock.nowUtc().getMillis();
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public void setTableId(String tableId) {
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fields.put("tableId", tableId);
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}
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public void export() {
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try {
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String hostname = modulesService.getVersionHostname("backend", null);
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TaskOptions opts = withUrl(MetricsExportAction.PATH)
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.header("Host", hostname)
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.param("insertId", idGenerator.get())
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.param("startTime", toBigqueryTimestamp(startTimeMillis, TimeUnit.MILLISECONDS))
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.param("endTime", toBigqueryTimestamp(clock.nowUtc().getMillis(), TimeUnit.MILLISECONDS));
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for (Entry<String, Object> entry : fields.entrySet()) {
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opts.param(entry.getKey(), String.valueOf(entry.getValue()));
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}
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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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}
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