SpanTagger.java
/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.apache.synapse.aspects.flow.statistics.tracing.opentelemetry.management.helpers;
import io.opentelemetry.api.trace.Span;
import org.apache.synapse.aspects.flow.statistics.data.raw.StatisticDataUnit;
import org.apache.synapse.aspects.flow.statistics.data.raw.StatisticsLog;
import org.apache.synapse.aspects.flow.statistics.tracing.opentelemetry.OpenTelemetryManagerHolder;
import org.apache.synapse.aspects.flow.statistics.tracing.opentelemetry.management.TelemetryConstants;
import org.apache.synapse.aspects.flow.statistics.tracing.opentelemetry.models.SpanWrapper;
/**
* Applies tags to Spans.
*/
public class SpanTagger {
/**
* Prevents Instantiation.
*/
private SpanTagger() {}
/**
* Sets tags to the span which is contained in the provided span wrapper, from information acquired from the
* given basic statistic data unit.
* @param spanWrapper Span wrapper that contains the target span.
*/
public static void setSpanTags(SpanWrapper spanWrapper) {
StatisticsLog openStatisticsLog = new StatisticsLog(spanWrapper.getStatisticDataUnit());
Span span = spanWrapper.getSpan();
if (OpenTelemetryManagerHolder.isCollectingPayloads() || OpenTelemetryManagerHolder.isCollectingProperties()) {
if (OpenTelemetryManagerHolder.isCollectingPayloads()) {
if(openStatisticsLog.getBeforePayload() != null) {
span.setAttribute(TelemetryConstants.BEFORE_PAYLOAD_ATTRIBUTE_KEY,
openStatisticsLog.getBeforePayload());
}
StatisticDataUnit statisticDataUnit = spanWrapper.getCloseEventStatisticDataUnit();
if (statisticDataUnit != null) {
if (statisticDataUnit.getPayload() != null) {
span.setAttribute(TelemetryConstants.AFTER_PAYLOAD_ATTRIBUTE_KEY,
statisticDataUnit.getPayload());
}
} else if (openStatisticsLog.getBeforePayload() !=null){
//This means a close event hasn't been triggered so payload is equal to before payload
span.setAttribute(TelemetryConstants.AFTER_PAYLOAD_ATTRIBUTE_KEY,
openStatisticsLog.getBeforePayload());
}
}
if (OpenTelemetryManagerHolder.isCollectingProperties()) {
if (spanWrapper.getStatisticDataUnit().getContextPropertyMap() != null) {
span.setAttribute(TelemetryConstants.BEFORE_CONTEXT_PROPERTY_MAP_ATTRIBUTE_KEY,
spanWrapper.getStatisticDataUnit().getContextPropertyMap().toString());
}
if (spanWrapper.getCloseEventStatisticDataUnit() != null) {
if (spanWrapper.getCloseEventStatisticDataUnit().getContextPropertyMap() != null) {
span.setAttribute(TelemetryConstants.AFTER_CONTEXT_PROPERTY_MAP_ATTRIBUTE_KEY,
spanWrapper.getCloseEventStatisticDataUnit().getContextPropertyMap().toString());
}
} else if (openStatisticsLog.getContextPropertyMap() != null) {
span.setAttribute(TelemetryConstants.AFTER_CONTEXT_PROPERTY_MAP_ATTRIBUTE_KEY,
openStatisticsLog.getContextPropertyMap().toString());
}
if (spanWrapper.getCloseEventStatisticDataUnit() != null &&
spanWrapper.getCloseEventStatisticDataUnit().getPropertyValue() != null) {
span.setAttribute(TelemetryConstants.PROPERTY_MEDIATOR_VALUE_ATTRIBUTE_KEY,
spanWrapper.getCloseEventStatisticDataUnit().getPropertyValue());
}
}
}
if (openStatisticsLog.getComponentName() != null) {
span.setAttribute(TelemetryConstants.COMPONENT_NAME_ATTRIBUTE_KEY, openStatisticsLog.getComponentName());
}
if(openStatisticsLog.getComponentTypeToString() != null){
span.setAttribute(TelemetryConstants.COMPONENT_TYPE_ATTRIBUTE_KEY,
openStatisticsLog.getComponentTypeToString());
}
span.setAttribute(TelemetryConstants.THREAD_ID_ATTRIBUTE_KEY, Thread.currentThread().getId());
if(openStatisticsLog.getComponentId() != null){
span.setAttribute(TelemetryConstants.COMPONENT_ID_ATTRIBUTE_KEY, openStatisticsLog.getComponentId());
}
if(openStatisticsLog.getHashCode() != null){
span.setAttribute(TelemetryConstants.HASHCODE_ATTRIBUTE_KEY, openStatisticsLog.getHashCode());
}
if (openStatisticsLog.getTransportHeaderMap() != null) {
span.setAttribute(TelemetryConstants.TRANSPORT_HEADERS_ATTRIBUTE_KEY,
openStatisticsLog.getTransportHeaderMap().toString());
}
if (openStatisticsLog.getStatusCode() != null) {
span.setAttribute(TelemetryConstants.STATUS_CODE_ATTRIBUTE_KEY, openStatisticsLog.getStatusCode());
}
if (openStatisticsLog.getStatusDescription() != null) {
span.setAttribute(TelemetryConstants.STATUS_DESCRIPTION_ATTRIBUTE_KEY,
openStatisticsLog.getStatusDescription());
}
if (openStatisticsLog.getEndpoint() != null) {
span.setAttribute(TelemetryConstants.ENDPOINT_ATTRIBUTE_KEY,
String.valueOf(openStatisticsLog.getEndpoint().getJsonRepresentation()));
}
}
}