com.alipay.sofa.tracer.plugins.zipkin.adapter.ZipkinV2SpanAdapter Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 com.alipay.sofa.tracer.plugins.zipkin.adapter;
import com.alipay.common.tracer.core.context.span.SofaTracerSpanContext;
import com.alipay.common.tracer.core.span.CommonSpanTags;
import com.alipay.common.tracer.core.span.LogData;
import com.alipay.common.tracer.core.span.SofaTracerSpan;
import com.alipay.common.tracer.core.utils.StringUtils;
import io.opentracing.tag.Tags;
import zipkin2.Endpoint;
import zipkin2.Span;
import java.net.InetAddress;
import java.util.Map;
/***
* ZipkinV2SpanAdapter : convent sofaTracer span model to zipkin span model
* @author guolei.sgl 05/09/2018
* @since v.2.3.0
*/
public class ZipkinV2SpanAdapter {
/**
* cache and performance improve
*/
private InetAddress localIpAddress = null;
/**
* convent sofaTracerSpan model to zipKinSpan model
*
* @param sofaTracerSpan original span
* @return zipkinSpan model
*/
public Span convertToZipkinSpan(SofaTracerSpan sofaTracerSpan) {
if (sofaTracerSpan == null) {
return null;
}
// spanId、parentId、tracerId
Span.Builder zipkinSpanBuilder = Span.newBuilder();
SofaTracerSpanContext context = sofaTracerSpan.getSofaTracerSpanContext();
zipkinSpanBuilder.traceId(getValidTraceId(context));
zipkinSpanBuilder.id(spanIdToLong(context.getSpanId()));
if (StringUtils.isNotBlank(context.getParentId())) {
zipkinSpanBuilder.parentId(spanIdToLong(context.getParentId()));
}
// timestamp & duration
long start = sofaTracerSpan.getStartTime() * 1000;
long finish = sofaTracerSpan.getEndTime() * 1000;
zipkinSpanBuilder.timestamp(start);
zipkinSpanBuilder.duration(finish - start);
// kind
Map tagsWithStr = sofaTracerSpan.getTagsWithStr();
String kindStr = tagsWithStr.get(Tags.SPAN_KIND.getKey());
if (StringUtils.isNotBlank(kindStr) && kindStr.equals(Tags.SPAN_KIND_SERVER)) {
zipkinSpanBuilder.kind(Span.Kind.SERVER);
} else {
zipkinSpanBuilder.kind(Span.Kind.CLIENT);
}
// Endpoint
Endpoint endpoint = getZipkinEndpoint(sofaTracerSpan);
zipkinSpanBuilder.localEndpoint(endpoint);
// Tags
this.addZipkinTags(zipkinSpanBuilder, sofaTracerSpan);
// span name
String operationName = sofaTracerSpan.getOperationName();
if (StringUtils.isNotBlank(operationName)) {
zipkinSpanBuilder.name(operationName);
} else {
zipkinSpanBuilder.name(StringUtils.EMPTY_STRING);
if (StringUtils.isNotBlank(sofaTracerSpan.getTagsWithStr().get("message.event.code"))) {
// set messageTopic:messageEventCode as name
String name = sofaTracerSpan.getTagsWithStr().get("message.topic") + ":"
+ sofaTracerSpan.getTagsWithStr().get("message.event.code");
zipkinSpanBuilder.name(name);
} else if (StringUtils.isNotBlank(sofaTracerSpan.getTagsWithStr().get("table.name"))) {
// set tableName as name
zipkinSpanBuilder.name(sofaTracerSpan.getTagsWithStr().get("table.name"));
} else if (StringUtils.isNotBlank(sofaTracerSpan.getTagsWithStr()
.get("datasource.name"))) {
// set datasourceName as name
zipkinSpanBuilder.name(sofaTracerSpan.getTagsWithStr().get("datasource.name"));
}
}
// Annotations
this.addZipkinAnnotations(zipkinSpanBuilder, sofaTracerSpan);
return zipkinSpanBuilder.build();
}
private String getValidTraceId(SofaTracerSpanContext context) {
String traceId = context.getTraceId();
if (traceId.endsWith("T")) {
traceId = traceId.substring(0, traceId.length() - 1);
}
return traceId;
}
public static long spanIdToLong(String spanId) {
return FNV64HashCode(spanId);
}
/**
* from http://en.wikipedia.org/wiki/Fowler_Noll_Vo_hash
*
* @param data String data
* @return fnv hash code
*/
public static long FNV64HashCode(String data) {
//hash FNVHash64 : http://www.isthe.com/chongo/tech/comp/fnv/index.html#FNV-param
long hash = 0xcbf29ce484222325L;
for (int i = 0; i < data.length(); ++i) {
char c = data.charAt(i);
hash ^= c;
hash *= 0x100000001b3L;
}
return hash;
}
private Endpoint getZipkinEndpoint(SofaTracerSpan span) {
if (localIpAddress == null) {
localIpAddress = NetUtils.getLocalAddress();
}
String appName = span.getTagsWithStr().get(CommonSpanTags.LOCAL_APP);
return Endpoint.newBuilder().serviceName(appName).ip(localIpAddress).build();
}
/**
* Put the baggage data into the tags
*
* @param zipkinSpan
* @param span
*/
private void addZipkinTagsWithBaggage(Span.Builder zipkinSpan, SofaTracerSpan span) {
SofaTracerSpanContext sofaTracerSpanContext = span.getSofaTracerSpanContext();
if (sofaTracerSpanContext != null) {
Map sysBaggage = sofaTracerSpanContext.getSysBaggage();
for (Map.Entry e : sysBaggage.entrySet()) {
zipkinSpan.putTag(e.getKey(), e.getValue());
}
Map bizBaggage = sofaTracerSpanContext.getBizBaggage();
for (Map.Entry e : bizBaggage.entrySet()) {
zipkinSpan.putTag(e.getKey(), e.getValue());
}
}
}
/**
* convent Annotations
*
* @param zipkinSpan
* @param span
*/
private void addZipkinAnnotations(Span.Builder zipkinSpan, SofaTracerSpan span) {
for (LogData logData : span.getLogs()) {
Map fields = logData.getFields();
if (fields == null || fields.size() <= 0) {
continue;
}
for (Map.Entry entry : fields.entrySet()) {
// zipkin has been support default log event depend on span kind & serviceName
if (!(entry.getValue().toString().equals(LogData.CLIENT_RECV_EVENT_VALUE)
|| entry.getValue().toString().equals(LogData.CLIENT_SEND_EVENT_VALUE)
|| entry.getValue().toString().equals(LogData.SERVER_RECV_EVENT_VALUE) || entry
.getValue().toString().equals(LogData.SERVER_SEND_EVENT_VALUE))) {
zipkinSpan.addAnnotation(logData.getTime() * 1000, entry.getValue().toString());
}
}
}
}
/**
* convent tags
*
* @param zipkinSpan
* @param span
*/
private void addZipkinTags(Span.Builder zipkinSpan, SofaTracerSpan span) {
for (Map.Entry e : span.getTagsWithStr().entrySet()) {
zipkinSpan.putTag(e.getKey(), e.getValue());
}
for (Map.Entry e : span.getTagsWithNumber().entrySet()) {
zipkinSpan.putTag(e.getKey(), e.getValue().toString());
}
for (Map.Entry e : span.getTagsWithBool().entrySet()) {
zipkinSpan.putTag(e.getKey(), e.getValue().toString());
}
SofaTracerSpanContext context = span.getSofaTracerSpanContext();
zipkinSpan.putTag("origin.span.id", context.getSpanId());
zipkinSpan.putTag("origin.parent.span.id", context.getParentId());
addZipkinTagsWithBaggage(zipkinSpan, span);
}
}