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Consolidate Metrics Query and Metrics Proccessor Services
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| /* | ||
| * Copyright © 2025 Cask Data, Inc. | ||
| * | ||
| * 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 io.cdap.cdap.metrics.service; | ||
|
|
||
| import com.google.common.util.concurrent.AbstractIdleService; | ||
| import com.google.inject.Inject; | ||
| import io.cdap.cdap.common.conf.CConfiguration; | ||
| import io.cdap.cdap.common.conf.Constants; | ||
| import io.cdap.cdap.common.conf.SConfiguration; | ||
| import io.cdap.cdap.common.discovery.ResolvingDiscoverable; | ||
| import io.cdap.cdap.common.discovery.URIScheme; | ||
| import io.cdap.cdap.common.http.CommonNettyHttpServiceFactory; | ||
| import io.cdap.cdap.common.id.Id; | ||
| import io.cdap.cdap.common.logging.LoggingContextAccessor; | ||
| import io.cdap.cdap.common.logging.ServiceLoggingContext; | ||
| import io.cdap.cdap.common.security.HttpsEnabler; | ||
| import io.cdap.cdap.metrics.query.MetricsQueryService; | ||
| import io.cdap.http.HttpHandler; | ||
| import io.cdap.http.NettyHttpService; | ||
| import java.util.Set; | ||
| import org.apache.twill.common.Cancellable; | ||
| import org.apache.twill.discovery.DiscoveryService; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * Metrics implemented using the common http netty framework. | ||
| */ | ||
| public class MetricsService extends AbstractIdleService { | ||
|
|
||
| private static final Logger LOG = LoggerFactory.getLogger(MetricsService.class); | ||
|
|
||
| private final NettyHttpService httpService; | ||
| private final DiscoveryService discoveryService; | ||
| private final MetricsQueryService metricsQueryService; | ||
| private Cancellable cancelDiscovery; | ||
|
|
||
| @Inject | ||
| public MetricsService(CConfiguration cConf, SConfiguration sConf, | ||
| MetricsQueryService metricsQueryService, | ||
| DiscoveryService discoveryService, | ||
| CommonNettyHttpServiceFactory commonNettyHttpServiceFactory) { | ||
| this.metricsQueryService = metricsQueryService; | ||
| // netty http server config | ||
| String address = cConf.get(Constants.Metrics.ADDRESS); | ||
| int backlogcnxs = cConf.getInt(Constants.Metrics.BACKLOG_CONNECTIONS, 20000); | ||
| int execthreads = cConf.getInt(Constants.Metrics.EXEC_THREADS, 20); | ||
| int bossthreads = cConf.getInt(Constants.Metrics.BOSS_THREADS, 1); | ||
| int workerthreads = cConf.getInt(Constants.Metrics.WORKER_THREADS, 10); | ||
| Set<HttpHandler> handlers = metricsQueryService.getHandlers(); | ||
|
|
||
| NettyHttpService.Builder builder = commonNettyHttpServiceFactory.builder( | ||
| Constants.Service.METRICS) | ||
| .setHttpHandlers(handlers) | ||
| .setHost(address) | ||
| .setPort(cConf.getInt(Constants.Metrics.PORT)) | ||
| .setConnectionBacklog(backlogcnxs) | ||
| .setExecThreadPoolSize(execthreads) | ||
| .setBossThreadPoolSize(bossthreads) | ||
| .setWorkerThreadPoolSize(workerthreads); | ||
|
|
||
| if (cConf.getBoolean(Constants.Security.SSL.INTERNAL_ENABLED)) { | ||
| new HttpsEnabler().configureKeyStore(cConf, sConf).enable(builder); | ||
| } | ||
|
|
||
| this.httpService = builder.build(); | ||
| this.discoveryService = discoveryService; | ||
|
|
||
| LOG.info("Configuring MetricsService " | ||
| + ", address: " + address | ||
| + ", backlog connections: " + backlogcnxs | ||
| + ", execthreads: " + execthreads | ||
| + ", bossthreads: " + bossthreads | ||
| + ", workerthreads: " + workerthreads); | ||
| } | ||
|
|
||
| @Override | ||
| protected void startUp() throws Exception { | ||
| LoggingContextAccessor.setLoggingContext(new ServiceLoggingContext(Id.Namespace.SYSTEM.getId(), | ||
| Constants.Logging.COMPONENT_NAME, | ||
| Constants.Service.METRICS)); | ||
|
|
||
| LOG.info("Starting Metrics Service..."); | ||
| httpService.start(); | ||
| LOG.info("Started Metrics HTTP Service..."); | ||
| // Register the service | ||
| cancelDiscovery = discoveryService.register( | ||
| ResolvingDiscoverable.of( | ||
| URIScheme.createDiscoverable(Constants.Service.METRICS, httpService))); | ||
| LOG.info("Metrics Service started successfully on {}", httpService.getBindAddress()); | ||
| } | ||
|
|
||
| @Override | ||
| protected void shutDown() throws Exception { | ||
| LOG.info("Stopping Metrics Service..."); | ||
|
|
||
| // Unregister the service | ||
| try { | ||
| if (cancelDiscovery != null) { | ||
| cancelDiscovery.cancel(); | ||
| } | ||
| } finally { | ||
| httpService.stop(); | ||
| } | ||
| } | ||
| } | ||
