org.talend.sdk.component.server.configuration.OpenTracingConfigSource Maven / Gradle / Ivy

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The Web server of the framework. Mainly provides UI interaction hooks.

There is a newer version: 10.57.0

/**
 * Copyright (C) 2006-2020 Talend Inc. - www.talend.com
 *
 * 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 org.talend.sdk.component.server.configuration;

import static java.lang.System.getenv;
import static java.util.Optional.ofNullable;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.microprofile.config.spi.ConfigSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class OpenTracingConfigSource implements ConfigSource {

    private final static Logger LOGGER = LoggerFactory.getLogger(OpenTracingConfigSource.class);

    private final Map configuration = new HashMap() {

        {
            int tracingRate;
            try {
                tracingRate = ofNullable(getenv("TRACING_SAMPLING_RATE")).map(Integer::parseInt).orElse(1);
            } catch (final NumberFormatException e) {
                LOGGER.warn("Can't parse value of environment property TRACING_SAMPLING_RATE", e);
                tracingRate = 1;
            }

            final String isTracingOn = String.valueOf(Boolean.parseBoolean(getenv("TRACING_ON")) && tracingRate == 1);
            put("geronimo.opentracing.filter.active", isTracingOn);
            put("span.converter.zipkin.active", isTracingOn);
            put("span.converter.zipkin.logger.active", isTracingOn);
        }
    };

    @Override
    public Map getProperties() {
        return configuration;
    }

    @Override
    public int getOrdinal() {
        return 2000;
    }

    @Override
    public String getValue(final String propertyName) {
        return configuration.get(propertyName);
    }

    @Override
    public String getName() {
        return "talend-opentracing";
    }
}