Vladsz83 commented on a change in pull request #9457: URL: https://github.com/apache/ignite/pull/9457#discussion_r773995817
########## File path: modules/core/src/test/java/org/apache/ignite/internal/processors/service/GridServiceMetricsTest.java ########## @@ -0,0 +1,336 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 org.apache.ignite.internal.processors.service; + +import java.lang.reflect.Method; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.stream.Collectors; +import java.util.stream.Stream; +import com.google.common.collect.Iterables; +import org.apache.ignite.configuration.IgniteConfiguration; +import org.apache.ignite.internal.IgniteEx; +import org.apache.ignite.internal.processors.metric.GridMetricManager; +import org.apache.ignite.internal.processors.service.inner.MyService; +import org.apache.ignite.internal.processors.service.inner.MyServiceFactory; +import org.apache.ignite.services.Service; +import org.apache.ignite.services.ServiceConfiguration; +import org.apache.ignite.spi.metric.HistogramMetric; +import org.apache.ignite.spi.metric.Metric; +import org.apache.ignite.spi.metric.ReadOnlyMetricRegistry; +import org.apache.ignite.spi.metric.jmx.JmxMetricExporterSpi; +import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; +import org.junit.Test; + +import static org.apache.ignite.internal.processors.metric.impl.MetricUtils.serviceMetricRegistryName; +import static org.apache.ignite.internal.processors.metric.impl.MetricUtils.sumHistogramEntries; +import static org.apache.ignite.internal.processors.service.IgniteServiceProcessor.SERVICE_METRIC_REGISTRY; + +/** + * Tests metrics of service invocations. + */ +public class GridServiceMetricsTest extends GridCommonAbstractTest { + /** Number of service invocations. */ + private static final int INVOKE_CNT = 50; + + /** Service name used in the tests. */ + private static final String SRVC_NAME = "TestService"; + + /** Error message of created metrics. */ + private static final String METRICS_MUST_NOT_BE_CREATED = "Service metric registry must not be created."; + + /** Utility holder of current grid number. */ + private int gridNum; + + /** {@inheritDoc} */ + @Override protected void afterTest() throws Exception { + stopAllGrids(); + + super.afterTest(); + } + + /** {@inheritDoc} */ + @Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { + IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName); + + // JMX metrics exposition to see actual namings and placement of the metrics. + cfg.setMetricExporterSpi(new JmxMetricExporterSpi()); + + return cfg; + } + + /** Checks service metrics are enabled / disabled properly. */ + @Test + public void testServiceMetricsEnabledDisabled() throws Exception { + IgniteEx ignite = startGrid(); + + ServiceConfiguration srvcCfg = serviceCfg(MyServiceFactory.create(), 0, 1); + + srvcCfg.setStatisticsEnabled(false); + + ignite.services().deploy(srvcCfg); + + assertNull(METRICS_MUST_NOT_BE_CREATED, findMetricRegistry(ignite.context().metric(), SRVC_NAME)); + + ignite.services().cancel(SRVC_NAME); + + srvcCfg.setStatisticsEnabled(true); + + ignite.services().deploy(srvcCfg); + + assertNotNull("Service metric registry must be created.", + findMetricRegistry(ignite.context().metric(), SRVC_NAME)); + } + + /** Checks metric behaviour when launched several service instances. */ + @Test + public void testMultipleDeployment() throws Throwable { + List<IgniteEx> servers = new ArrayList<>(); + + servers.add(startGrid(gridNum++)); + + IgniteEx server = servers.get(0); + + IgniteEx client = startClientGrid(gridNum++); + + assertNull(METRICS_MUST_NOT_BE_CREATED, findMetricRegistry(server.context().metric(), SERVICE_METRIC_REGISTRY)); + + int totalInstance = 2; + + int perNode = 2; + + ServiceConfiguration srvcCfg = serviceCfg(MyServiceFactory.create(), totalInstance, perNode); + + server.services().deploy(srvcCfg); + + awaitPartitionMapExchange(); + + // Call proxies on the clients. + Stream.generate(() -> client.services().serviceProxy(SRVC_NAME, MyService.class, true)) + .limit(totalInstance).forEach(srvc -> ((MyService)srvc).hello()); + + ReadOnlyMetricRegistry metrics = findMetricRegistry(server.context().metric(), SRVC_NAME); + + // Total service calls number. + int callsCnt = 0; + + for (Metric m : metrics) { + if (m instanceof HistogramMetric) + callsCnt += sumHistogramEntries((HistogramMetric)m); + } + + assertEquals(callsCnt, totalInstance); + + // Add servers more than service instances. + servers.add(startGrid(gridNum++)); + + servers.add(startGrid(gridNum++)); + + awaitPartitionMapExchange(); + + int deployedCnt = 0; + + int metricsCnt = 0; + + for (IgniteEx ignite : servers) { + if (ignite.services().service(SRVC_NAME) != null) + deployedCnt++; + + if (findMetricRegistry(ignite.context().metric(), SRVC_NAME) != null) + metricsCnt++; + } + + assertEquals(deployedCnt, metricsCnt); + + assertEquals(metricsCnt, totalInstance); + } + + /** Checks metric are created when service is deployed and removed when service is undeployed. */ Review comment: I've added one: `testRedeploy()`. -- This is an automated message from the Apache Git Service. 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