io.micronaut.configuration.metrics.micrometer.prometheus.PrometheusMeterRegistryFactory Maven / Gradle / Ivy

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Provides integration between Micronaut and Micrometer

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/*
 * Copyright 2017-2019 original authors
 *
 * 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
 *
 * https://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.micronaut.configuration.metrics.micrometer.prometheus;

import io.micrometer.prometheus.PrometheusMeterRegistry;
import io.micronaut.configuration.metrics.micrometer.ExportConfigurationProperties;
import io.micronaut.context.annotation.Factory;
import jakarta.inject.Singleton;

import java.util.Properties;

import static io.micronaut.configuration.metrics.micrometer.MeterRegistryFactory.MICRONAUT_METRICS_EXPORT;

/**
 * Creates a Prometheus meter registry.
 */
@Factory
public class PrometheusMeterRegistryFactory {

    public static final String PROMETHEUS_CONFIG = MICRONAUT_METRICS_EXPORT + ".prometheus";
    public static final String PROMETHEUS_ENABLED = PROMETHEUS_CONFIG + ".enabled";

    /**
     * Create a PrometheusMeterRegistry bean if global metrics are enabled
     * and Prometheus is enabled. Will be true by default when this
     * configuration is included in project.
     *
     * @param exportConfigurationProperties The export configuration
     * @return PrometheusMeterRegistry
     */
    @Singleton
    PrometheusMeterRegistry prometheusConfig(ExportConfigurationProperties exportConfigurationProperties) {
        Properties exportConfig = exportConfigurationProperties.getExport();
        return new PrometheusMeterRegistry(exportConfig::getProperty);
    }
}