Auto-configure Micrometer's Lettuce latency metrics
Add auto-configuration support to export Lettuce latency metrics. See gh-27865pull/27989/head
Antonin ARQUEY
3 years ago
committed by
Stephane Nicoll
parent
06720beb87
commit
190fea6faa
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/*
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.autoconfigure.metrics.redis;
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import io.lettuce.core.metrics.MicrometerCommandLatencyRecorder;
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import io.lettuce.core.metrics.MicrometerOptions;
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import io.micrometer.core.instrument.MeterRegistry;
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import org.springframework.boot.actuate.autoconfigure.metrics.CompositeMeterRegistryAutoConfiguration;
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import org.springframework.boot.actuate.autoconfigure.metrics.MetricsAutoConfiguration;
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import org.springframework.boot.autoconfigure.AutoConfigureAfter;
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import org.springframework.boot.autoconfigure.AutoConfigureBefore;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.boot.autoconfigure.data.redis.ClientResourcesBuilderCustomizer;
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import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
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/**
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* Auto-configuration for Lettuce metrics.
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*
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* @author Antonin Arquey
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* @since 2.6.0
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*/
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@Configuration(proxyBeanMethods = false)
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@AutoConfigureBefore(RedisAutoConfiguration.class)
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@AutoConfigureAfter({ MetricsAutoConfiguration.class, CompositeMeterRegistryAutoConfiguration.class })
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@ConditionalOnClass(LettuceConnectionFactory.class)
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@ConditionalOnBean(MeterRegistry.class)
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public class LettuceMetricsAutoConfiguration {
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@Bean
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public ClientResourcesBuilderCustomizer lettuceMetrics(MeterRegistry meterRegistry) {
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MicrometerOptions options = MicrometerOptions.builder().histogram(true).build();
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return (client) -> client.commandLatencyRecorder(new MicrometerCommandLatencyRecorder(meterRegistry, options))
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.build();
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}
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}
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/*
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* Auto-configuration for Redis metrics.
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*/
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package org.springframework.boot.actuate.autoconfigure.metrics.redis;
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/*
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* Copyright 2012-2021 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.autoconfigure.metrics.redis;
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import io.lettuce.core.metrics.MicrometerCommandLatencyRecorder;
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import io.lettuce.core.resource.ClientResources;
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import org.junit.jupiter.api.Test;
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import org.springframework.boot.actuate.autoconfigure.metrics.test.MetricsRun;
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import org.springframework.boot.autoconfigure.AutoConfigurations;
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import org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration;
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import org.springframework.boot.test.context.runner.ApplicationContextRunner;
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import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
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import static org.assertj.core.api.Assertions.assertThat;
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class LettuceMetricsAutoConfigurationTests {
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private final ApplicationContextRunner contextRunner = new ApplicationContextRunner()
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.withConfiguration(AutoConfigurations.of(LettuceMetricsAutoConfiguration.class));
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@Test
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void whenThereIsAMeterRegistryThenCommandLatencyRecorderIsAdded() {
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this.contextRunner.with(MetricsRun.simple())
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.withConfiguration(AutoConfigurations.of(RedisAutoConfiguration.class)).run((context) -> {
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ClientResources clientResources = context.getBean(LettuceConnectionFactory.class)
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.getClientResources();
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assertThat(clientResources.commandLatencyRecorder()).isNotNull()
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.isInstanceOf(MicrometerCommandLatencyRecorder.class);
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});
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}
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@Test
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void whenThereIsNoMeterRegistryThenClientResourcesCustomizationBacksOff() {
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this.contextRunner.withConfiguration(AutoConfigurations.of(RedisAutoConfiguration.class)).run((context) -> {
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ClientResources clientResources = context.getBean(LettuceConnectionFactory.class).getClientResources();
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assertThat(clientResources.commandLatencyRecorder().isEnabled())
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.isNotInstanceOf(MicrometerCommandLatencyRecorder.class);
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});
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}
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}
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