philipnee commented on code in PR #14724: URL: https://github.com/apache/kafka/pull/14724#discussion_r1412530561
########## clients/src/test/java/org/apache/kafka/common/telemetry/internals/ClientTelemetryReporterTest.java: ########## @@ -0,0 +1,573 @@ +/* + * 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.kafka.common.telemetry.internals; + +import io.opentelemetry.proto.common.v1.KeyValue; + +import org.apache.kafka.clients.CommonClientConfigs; +import org.apache.kafka.clients.consumer.ConsumerConfig; +import org.apache.kafka.clients.producer.ProducerConfig; +import org.apache.kafka.common.Uuid; +import org.apache.kafka.common.message.GetTelemetrySubscriptionsRequestData; +import org.apache.kafka.common.message.GetTelemetrySubscriptionsResponseData; +import org.apache.kafka.common.message.PushTelemetryRequestData; +import org.apache.kafka.common.message.PushTelemetryResponseData; +import org.apache.kafka.common.metrics.KafkaMetricsContext; +import org.apache.kafka.common.metrics.MetricsContext; +import org.apache.kafka.common.protocol.Errors; +import org.apache.kafka.common.record.CompressionType; +import org.apache.kafka.common.requests.AbstractRequest; +import org.apache.kafka.common.requests.GetTelemetrySubscriptionsRequest; +import org.apache.kafka.common.requests.GetTelemetrySubscriptionsResponse; +import org.apache.kafka.common.requests.PushTelemetryRequest; +import org.apache.kafka.common.requests.PushTelemetryResponse; +import org.apache.kafka.common.telemetry.ClientTelemetryState; +import org.apache.kafka.common.utils.MockTime; +import org.junit.jupiter.api.AfterEach; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import java.time.Duration; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import java.util.concurrent.atomic.AtomicReference; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertNull; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + +public class ClientTelemetryReporterTest { + + private MockTime time; + private ClientTelemetryReporter clientTelemetryReporter; + private Map<String, Object> configs; + private MetricsContext metricsContext; + private Uuid uuid; + private ClientTelemetryReporter.ClientTelemetrySubscription subscription; + + @BeforeEach + public void setUp() { + time = new MockTime(); + clientTelemetryReporter = new ClientTelemetryReporter(time); + configs = new HashMap<>(); + metricsContext = new KafkaMetricsContext("test"); + uuid = Uuid.randomUuid(); + subscription = new ClientTelemetryReporter.ClientTelemetrySubscription(uuid, 1234, 20000, + Collections.emptyList(), true, null); + } + + @Test + public void testInitTelemetryReporter() { + configs.put(CommonClientConfigs.CLIENT_ID_CONFIG, "test-client"); + configs.put(CommonClientConfigs.CLIENT_RACK_CONFIG, "rack"); + + clientTelemetryReporter.configure(configs); + clientTelemetryReporter.contextChange(metricsContext); + assertNotNull(clientTelemetryReporter.metricsCollector()); + assertNotNull(clientTelemetryReporter.telemetryProvider().resource()); + assertEquals(1, clientTelemetryReporter.telemetryProvider().resource().getAttributesCount()); + assertEquals( + ClientTelemetryProvider.CLIENT_RACK, clientTelemetryReporter.telemetryProvider().resource().getAttributes(0).getKey()); + assertEquals("rack", clientTelemetryReporter.telemetryProvider().resource().getAttributes(0).getValue().getStringValue()); + } + + @Test + public void testInitTelemetryReporterNoCollector() { + // Remove namespace config which skips the collector initialization. + MetricsContext metricsContext = Collections::emptyMap; + + clientTelemetryReporter.configure(configs); + clientTelemetryReporter.contextChange(metricsContext); + assertNull(clientTelemetryReporter.metricsCollector()); + } + + @Test + public void testProducerLabels() { + configs.put(CommonClientConfigs.CLIENT_ID_CONFIG, "test-client"); + configs.put(ConsumerConfig.GROUP_ID_CONFIG, "group-id"); + configs.put(ConsumerConfig.GROUP_INSTANCE_ID_CONFIG, "group-instance-id"); + configs.put(ProducerConfig.TRANSACTIONAL_ID_CONFIG, "transaction-id"); + configs.put(CommonClientConfigs.CLIENT_RACK_CONFIG, "rack"); + + clientTelemetryReporter.configure(configs); + clientTelemetryReporter.contextChange(new KafkaMetricsContext("kafka.producer")); + assertNotNull(clientTelemetryReporter.metricsCollector()); + assertNotNull(clientTelemetryReporter.telemetryProvider().resource()); + + List<KeyValue> attributes = clientTelemetryReporter.telemetryProvider().resource().getAttributesList(); + assertEquals(2, attributes.size()); + attributes.forEach(attribute -> { + if (attribute.getKey().equals(ClientTelemetryProvider.CLIENT_RACK)) { + assertEquals("rack", attribute.getValue().getStringValue()); + } else if (attribute.getKey().equals(ClientTelemetryProvider.TRANSACTIONAL_ID)) { + assertEquals("transaction-id", attribute.getValue().getStringValue()); + } + }); + } + + @Test + public void testConsumerLabels() { + configs.put(CommonClientConfigs.CLIENT_ID_CONFIG, "test-client"); + configs.put(ConsumerConfig.GROUP_ID_CONFIG, "group-id"); + configs.put(ConsumerConfig.GROUP_INSTANCE_ID_CONFIG, "group-instance-id"); + configs.put(ProducerConfig.TRANSACTIONAL_ID_CONFIG, "transaction-id"); + configs.put(CommonClientConfigs.CLIENT_RACK_CONFIG, "rack"); + + clientTelemetryReporter.configure(configs); + clientTelemetryReporter.contextChange(new KafkaMetricsContext("kafka.consumer")); + assertNotNull(clientTelemetryReporter.metricsCollector()); + assertNotNull(clientTelemetryReporter.telemetryProvider().resource()); + + List<KeyValue> attributes = clientTelemetryReporter.telemetryProvider().resource().getAttributesList(); + assertEquals(3, attributes.size()); + attributes.forEach(attribute -> { + if (attribute.getKey().equals(ClientTelemetryProvider.CLIENT_RACK)) { + assertEquals("rack", attribute.getValue().getStringValue()); + } else if (attribute.getKey().equals(ClientTelemetryProvider.GROUP_ID)) { + assertEquals("group-id", attribute.getValue().getStringValue()); + } else if (attribute.getKey().equals(ClientTelemetryProvider.GROUP_INSTANCE_ID)) { + assertEquals("group-instance-id", attribute.getValue().getStringValue()); + } + }); + } + + @Test + public void testTelemetryReporterClose() { + clientTelemetryReporter.close(); + assertEquals(ClientTelemetryState.TERMINATED, ((ClientTelemetryReporter.DefaultClientTelemetrySender) clientTelemetryReporter + .telemetrySender()).state()); + } + + @Test + public void testTelemetryReporterCloseMultipleTimesNoException() { + clientTelemetryReporter.close(); + clientTelemetryReporter.close(); + assertEquals(ClientTelemetryState.TERMINATED, ((ClientTelemetryReporter.DefaultClientTelemetrySender) clientTelemetryReporter + .telemetrySender()).state()); + } + + @Test + public void testTelemetrySenderTimeToNextUpdate() { + ClientTelemetryReporter.DefaultClientTelemetrySender telemetrySender = (ClientTelemetryReporter.DefaultClientTelemetrySender) clientTelemetryReporter.telemetrySender(); + + assertEquals(ClientTelemetryState.SUBSCRIPTION_NEEDED, telemetrySender.state()); + assertEquals(0, telemetrySender.timeToNextUpdate(100)); + + telemetrySender.updateSubscriptionResult(subscription, time.milliseconds()); + assertEquals(20000, telemetrySender.timeToNextUpdate(100), 200); + + assertTrue(telemetrySender.maybeSetState(ClientTelemetryState.SUBSCRIPTION_IN_PROGRESS)); + assertEquals(100, telemetrySender.timeToNextUpdate(100)); + + assertTrue(telemetrySender.maybeSetState(ClientTelemetryState.PUSH_NEEDED)); + long time = telemetrySender.timeToNextUpdate(100); + assertTrue(time > 0 && time >= 0.5 * time && time <= 1.5 * time); + + assertTrue(telemetrySender.maybeSetState(ClientTelemetryState.PUSH_IN_PROGRESS)); + assertEquals(100, telemetrySender.timeToNextUpdate(100)); + + assertTrue(telemetrySender.maybeSetState(ClientTelemetryState.TERMINATING_PUSH_NEEDED)); + assertEquals(0, telemetrySender.timeToNextUpdate(100)); + + assertTrue(telemetrySender.maybeSetState(ClientTelemetryState.TERMINATING_PUSH_IN_PROGRESS)); + assertEquals(Long.MAX_VALUE, telemetrySender.timeToNextUpdate(100)); + + assertTrue(telemetrySender.maybeSetState(ClientTelemetryState.TERMINATED)); + assertThrows(IllegalStateException.class, () -> telemetrySender.timeToNextUpdate(100)); + } + + @Test + public void testCreateRequestSubscriptionNeeded() { + ClientTelemetryReporter.DefaultClientTelemetrySender telemetrySender = (ClientTelemetryReporter.DefaultClientTelemetrySender) clientTelemetryReporter.telemetrySender(); + assertEquals(ClientTelemetryState.SUBSCRIPTION_NEEDED, telemetrySender.state()); + + Optional<AbstractRequest.Builder<?>> requestOptional = telemetrySender.createRequest(); + assertNotNull(requestOptional); + assertTrue(requestOptional.isPresent()); + assertTrue(requestOptional.get().build() instanceof GetTelemetrySubscriptionsRequest); + GetTelemetrySubscriptionsRequest request = (GetTelemetrySubscriptionsRequest) requestOptional.get().build(); + + GetTelemetrySubscriptionsRequest expectedResult = new GetTelemetrySubscriptionsRequest.Builder( Review Comment: Hey I just realized - we should file a separate jira to test different request versions. This helps to verify the correctness of the request. It's really simple, basically you just need to verify the fields are correct. There's an example test `public void testValidateConsumerGroupHeartbeatRequest(final short version)` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
