/**
 * Copyright 2018 Pivotal Software, Inc.
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.micrometer.azuremonitor;

import io.micrometer.core.instrument.config.MissingRequiredConfigurationException;
import io.micrometer.core.instrument.step.StepRegistryConfig;

/**
 * Configuration for {@link AzureMonitorMeterRegistry}.
 *
 * @author Dhaval Doshi
 */
public interface AzureMonitorConfig extends StepRegistryConfig {
    AzureMonitorConfig DEFAULT = k -> null;

    @Override
    default String prefix() {
        return "azure.monitor";
    }

    /**
     * default implementation to get the instrumentation key from the config
     *
     * @return Instrumentation Key
     */
    default String instrumentationKey() {
        String v = get(prefix() + ".instrumentationKey");
        if (v == null)
            throw new MissingRequiredConfigurationException("instrumentationKey must be set to report metrics to Application Insights");
        return v;
    }
}

/**
 * Copyright 2018 Pivotal Software, Inc.
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.micrometer.azuremonitor;

import io.micrometer.core.instrument.config.MissingRequiredConfigurationException;
import io.micrometer.core.instrument.step.StepRegistryConfig;

/**
 * Configuration for {@link AzureMonitorMeterRegistry}.
 *
 * @author Dhaval Doshi
 */
public interface AzureMonitorConfig extends StepRegistryConfig {
    AzureMonitorConfig DEFAULT = k -> null;

    @Override
    default String prefix() {
        return "azuremonitor";
    }

    /**
     * default implementation to get the instrumentation key from the config
     *
     * @return Instrumentation Key
     */
    default String instrumentationKey() {
        String v = get(prefix() + ".instrumentationKey");
        if (v == null)
            throw new MissingRequiredConfigurationException("instrumentationKey must be set to report metrics to Application Insights");
        return v;
    }
}

Tweak Azure config prefix