google-nomulus/java/google/registry/monitoring/whitebox/StackdriverModule.java
shikhman b45c2ca2ee Wire in MetricReporter into the backend servlet to publish metrics
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=130468842
2016-08-22 14:07:45 -04:00

90 lines
3.4 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.monitoring.whitebox;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.json.JsonFactory;
import com.google.api.services.monitoring.v3.Monitoring;
import com.google.api.services.monitoring.v3.MonitoringScopes;
import com.google.api.services.monitoring.v3.model.MonitoredResource;
import com.google.appengine.api.ThreadManager;
import com.google.appengine.api.modules.ModulesService;
import com.google.appengine.repackaged.com.google.common.collect.ImmutableMap;
import com.google.common.base.Function;
import dagger.Module;
import dagger.Provides;
import google.registry.config.ConfigModule.Config;
import google.registry.monitoring.metrics.MetricWriter;
import google.registry.monitoring.metrics.StackdriverWriter;
import java.util.Set;
import java.util.concurrent.ThreadFactory;
import javax.inject.Named;
import org.joda.time.Duration;
/** Dagger module for Google Stackdriver service connection objects. */
@Module
public final class StackdriverModule {
@Provides
static Monitoring provideMonitoring(
HttpTransport transport,
JsonFactory jsonFactory,
Function<Set<String>, ? extends HttpRequestInitializer> credential,
@Config("projectId") String projectId) {
return new Monitoring.Builder(transport, jsonFactory, credential.apply(MonitoringScopes.all()))
.setApplicationName(projectId)
.build();
}
@Provides
static MetricWriter provideMetricWriter(
Monitoring monitoringClient,
@Config("projectId") String projectId,
ModulesService modulesService,
@Config("stackdriverMaxQps") int maxQps,
@Config("stackdriverMaxPointsPerRequest") int maxPointsPerRequest) {
// The MonitoredResource for GAE apps lacks an instance_id field, so we encode it into the
// version_id field so that metrics from different instances don't interleave.
return new StackdriverWriter(
monitoringClient,
projectId,
new MonitoredResource()
.setType("gae_app")
.setLabels(
ImmutableMap.of(
"module_id",
modulesService.getCurrentModule(),
"version_id",
modulesService.getCurrentVersion()
+ ":"
+ modulesService.getCurrentInstanceId())),
maxQps,
maxPointsPerRequest);
}
@Provides
@Named("metricsBackgroundThreadFactory")
static ThreadFactory provideThreadFactory() {
return ThreadManager.backgroundThreadFactory();
}
@Provides
@Named("metricsWriteInterval")
static long provideMetricsWriteInterval(
@Config("metricsWriteInterval") Duration metricsWriteInterval) {
return metricsWriteInterval.getStandardSeconds();
}
}