| /* |
| * 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.dubbo.metrics.prometheus; |
| |
| import io.micrometer.prometheus.PrometheusMeterRegistry; |
| import org.apache.dubbo.common.utils.NetUtils; |
| import org.apache.dubbo.config.MetricsConfig; |
| import org.apache.dubbo.config.nested.PrometheusConfig; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| import org.apache.http.client.methods.CloseableHttpResponse; |
| import org.apache.http.client.methods.HttpGet; |
| import org.apache.http.impl.client.CloseableHttpClient; |
| import org.apache.http.impl.client.HttpClients; |
| import org.junit.jupiter.api.AfterEach; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.Test; |
| |
| import java.io.BufferedReader; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.nio.charset.StandardCharsets; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.stream.Collectors; |
| |
| import static org.apache.dubbo.common.constants.MetricsConstants.PROTOCOL_PROMETHEUS; |
| |
| public class PrometheusMetricsReporterTest { |
| |
| private MetricsConfig metricsConfig; |
| private ApplicationModel applicationModel; |
| |
| @BeforeEach |
| public void setup() { |
| metricsConfig = new MetricsConfig(); |
| applicationModel = ApplicationModel.defaultModel(); |
| metricsConfig.setProtocol(PROTOCOL_PROMETHEUS); |
| } |
| |
| @AfterEach |
| public void teardown() { |
| applicationModel.destroy(); |
| } |
| |
| @Test |
| public void testJvmMetrics() { |
| metricsConfig.setEnableJvmMetrics(true); |
| PrometheusMetricsReporter reporter = new PrometheusMetricsReporter(metricsConfig.toUrl(), applicationModel); |
| reporter.init(); |
| |
| PrometheusMeterRegistry prometheusRegistry = reporter.getPrometheusRegistry(); |
| Double d1 = prometheusRegistry.getPrometheusRegistry().getSampleValue("none_exist_metric"); |
| Double d2 = prometheusRegistry.getPrometheusRegistry().getSampleValue("jvm_gc_memory_promoted_bytes_total"); |
| |
| Assertions.assertNull(d1); |
| Assertions.assertNotNull(d2); |
| } |
| |
| @Test |
| public void testExporter() { |
| int port = NetUtils.getAvailablePort(); |
| |
| PrometheusConfig prometheusConfig = new PrometheusConfig(); |
| PrometheusConfig.Exporter exporter = new PrometheusConfig.Exporter(); |
| exporter.setMetricsPort(port); |
| exporter.setMetricsPath("/metrics"); |
| exporter.setEnabled(true); |
| prometheusConfig.setExporter(exporter); |
| metricsConfig.setPrometheus(prometheusConfig); |
| metricsConfig.setEnableJvmMetrics(true); |
| |
| PrometheusMetricsReporter reporter = new PrometheusMetricsReporter(metricsConfig.toUrl(), applicationModel); |
| reporter.init(); |
| |
| try (CloseableHttpClient client = HttpClients.createDefault()) { |
| HttpGet request = new HttpGet("http://localhost:" + port + "/metrics"); |
| CloseableHttpResponse response = client.execute(request); |
| InputStream inputStream = response.getEntity().getContent(); |
| String text = new BufferedReader(new InputStreamReader(inputStream, StandardCharsets.UTF_8)).lines().collect(Collectors.joining("\n")); |
| Assertions.assertTrue(text.contains("jvm_gc_memory_promoted_bytes_total")); |
| } catch (Exception e) { |
| Assertions.fail(e); |
| } finally { |
| reporter.destroy(); |
| } |
| } |
| |
| @Test |
| public void testPushgateway() { |
| PrometheusConfig prometheusConfig = new PrometheusConfig(); |
| PrometheusConfig.Pushgateway pushgateway = new PrometheusConfig.Pushgateway(); |
| pushgateway.setJob("mock"); |
| pushgateway.setBaseUrl("localhost:9091"); |
| pushgateway.setEnabled(true); |
| pushgateway.setPushInterval(1); |
| prometheusConfig.setPushgateway(pushgateway); |
| metricsConfig.setPrometheus(prometheusConfig); |
| |
| PrometheusMetricsReporter reporter = new PrometheusMetricsReporter(metricsConfig.toUrl(), applicationModel); |
| reporter.init(); |
| |
| ScheduledExecutorService executor = reporter.getPushJobExecutor(); |
| Assertions.assertTrue(executor != null && !executor.isTerminated() && !executor.isShutdown()); |
| |
| reporter.destroy(); |
| Assertions.assertTrue(executor.isTerminated() || executor.isShutdown()); |
| } |
| } |