/*
 * 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
 *
 * 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 io.micronaut.configuration.metrics.aggregator;

import io.micrometer.core.instrument.MeterRegistry;

/**
 * Class that will configure meter registries.  This is done on bean added event so that
 * composite registry can be skipped and non-composite registries can be added to composite.
 *
 * @author Christian Oestreich
 * @param <T> an instance of a meter registry that will be configured
 * @since 1.0
 */
public interface MeterRegistryConfigurer<T extends MeterRegistry> {

    /**
     * Method to configure a meter registry with binders, filters, etc.
     *
     * @param meterRegistry Meter Registry
     */
    void configure(T meterRegistry);

    /**
     * Method to determine if this configurer supports the meter registry type.
     *
     * @param meterRegistry a meter registry
     * @return boolean whether is supported
     */
    boolean supports(T meterRegistry);
}

/*
 * 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
 *
 * 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 io.micronaut.docs;

import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
import io.micronaut.configuration.metrics.aggregator.MeterRegistryConfigurer;

public class SimpleMeterRegistryConfigurer implements MeterRegistryConfigurer {

    @Override
    public void configure(MeterRegistry meterRegistry) {
        meterRegistry.config().commonTags("key", "value");
    }

    @Override
    public boolean supports(MeterRegistry meterRegistry) {
        return meterRegistry instanceof SimpleMeterRegistry;
    }
}

/*
 * 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
 *
 * 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 io.micronaut.docs;

import io.micrometer.core.instrument.Tag;
import io.micrometer.core.instrument.config.MeterFilter;
import io.micronaut.context.annotation.Bean;
import io.micronaut.context.annotation.Factory;

import javax.inject.Singleton;
import java.util.Arrays;

@Factory
public class MeterFilterFactory {

    /**
     * Exclude metrics starting with jvm
     *
     * @return meter filter
     */
    @Bean
    @Singleton
    MeterFilter jvmExclusionFilter() {
        return MeterFilter.denyNameStartsWith("jvm");
    }

    /**
     * Add global tags to all metrics
     *
     * @return meter filter
     */
    @Bean
    @Singleton
    MeterFilter addCommonTagFilter() {
        return MeterFilter.commonTags(Arrays.asList(Tag.of("scope", "demo")));
    }

    /**
     * Rename a tag key for every metric beginning with a given prefix.
     * <p>
     * This will rename the metric name http.server.requests tag value called `method` to `httpmethod`
     * <p>
     * OLD: http.server.requests ['method':'GET", ...]
     * NEW: http.server.requests ['httpmethod':'GET", ...]
     *
     * @return meter filter
     */
    @Bean
    @Singleton
    MeterFilter renameFilter() {
        return MeterFilter.renameTag("http.server.requests", "method", "httpmethod");
    }
}

micronaut:
  metrics:
    enabled: true
    export:
      statsd:
        enabled: true
        flavor: datadog
        step: PT1M
        host: localhost
        port: 8125

micronaut:
  metrics:
    enabled: true
    export:
      graphite:
        enabled: true
        step: PT1M
        host: localhost
        port: 2004

micronaut:
  metrics:
    enabled: true
    export:
      atlas:
        enabled: true
        uri: http://localhost:7101/api/v1/publish
        step: PT1M

micronaut:
  metrics:
    enabled: true
    export:
      prometheus:
        enabled: true
        step: PT1M
        descriptions: true

micronaut:
  metrics:
    enabled: true
    export:
      cloudwatch:
        enabled: true
        namespace: myAwesomeAppMetrics
        batchSize: 10