├── .gitignore ├── LICENSE ├── README.md ├── spring-boot ├── .gitignore ├── .mvn │ └── wrapper │ │ ├── maven-wrapper.jar │ │ └── maven-wrapper.properties ├── mvnw ├── mvnw.cmd ├── pom.xml └── src │ ├── main │ ├── java │ │ └── com │ │ │ └── example │ │ │ └── demoopentracing │ │ │ ├── DemoOpentracingApplication.java │ │ │ └── HelloController.java │ └── resources │ │ └── application.properties │ └── test │ └── java │ └── com │ └── example │ └── demoopentracing │ └── DemoOpentracingApplicationTests.java └── wildfly-swarm-jaxrs ├── pom.xml └── src └── main ├── java └── com │ └── example │ └── demoopentracing │ └── rest │ ├── BackendService.java │ ├── HelloWorldEndpoint.java │ └── TracingContextListener.java └── resources └── META-INF └── beans.xml /.gitignore: -------------------------------------------------------------------------------- 1 | # Compiled class file 2 | *.class 3 | 4 | # Log file 5 | *.log 6 | 7 | # BlueJ files 8 | *.ctxt 9 | 10 | # Mobile Tools for Java (J2ME) 11 | .mtj.tmp/ 12 | 13 | # Package Files # 14 | *.jar 15 | *.war 16 | *.ear 17 | *.zip 18 | *.tar.gz 19 | *.rar 20 | 21 | target 22 | 23 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 24 | hs_err_pid* 25 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright {yyyy} {name of copyright owner} 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # OpenTracing Java Examples 2 | 3 | This repository contains various example apps instrumented with OpenTracing API and framework integrations. 4 | 5 | ## Start tracing system 6 | Choose tracing system, note that some code changes might be required, depending on which tracer is initialized. 7 | 8 | ```bash 9 | docker run --rm -it --network=host jaegertracing/all-in-one 10 | docker run --rm -it -p 9411:9411 openzipkin/zipkin 11 | ``` 12 | 13 | ## Spring Boot 14 | [Video](https://youtu.be/RvCcWltMY7U) 15 | 16 | ```bash 17 | mvnw clean install 18 | java -jar target/demo-opentracing-0.0.1-SNAPSHOT.jar 19 | ``` 20 | 21 | ## JAX-RS (Wilfly Swarm) 22 | [Video](https://youtu.be/gVwLenPH8SY) 23 | 24 | ```bash 25 | mvn wildfly-swarm:run 26 | ``` 27 | -------------------------------------------------------------------------------- /spring-boot/.gitignore: -------------------------------------------------------------------------------- 1 | target/ 2 | !.mvn/wrapper/maven-wrapper.jar 3 | 4 | ### STS ### 5 | .apt_generated 6 | .classpath 7 | .factorypath 8 | .project 9 | .settings 10 | .springBeans 11 | 12 | ### IntelliJ IDEA ### 13 | .idea 14 | *.iws 15 | *.iml 16 | *.ipr 17 | 18 | ### NetBeans ### 19 | nbproject/private/ 20 | build/ 21 | nbbuild/ 22 | dist/ 23 | nbdist/ 24 | .nb-gradle/ -------------------------------------------------------------------------------- /spring-boot/.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pavolloffay/opentracing-java-examples/39f51f25894e148336b74e7e69914b08ccd7c2ef/spring-boot/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /spring-boot/.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip 2 | -------------------------------------------------------------------------------- /spring-boot/mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # http://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven2 Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> \(.*\)$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Migwn, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | # TODO classpath? 118 | fi 119 | 120 | if [ -z "$JAVA_HOME" ]; then 121 | javaExecutable="`which javac`" 122 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 123 | # readlink(1) is not available as standard on Solaris 10. 124 | readLink=`which readlink` 125 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 126 | if $darwin ; then 127 | javaHome="`dirname \"$javaExecutable\"`" 128 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 129 | else 130 | javaExecutable="`readlink -f \"$javaExecutable\"`" 131 | fi 132 | javaHome="`dirname \"$javaExecutable\"`" 133 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 134 | JAVA_HOME="$javaHome" 135 | export JAVA_HOME 136 | fi 137 | fi 138 | fi 139 | 140 | if [ -z "$JAVACMD" ] ; then 141 | if [ -n "$JAVA_HOME" ] ; then 142 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 143 | # IBM's JDK on AIX uses strange locations for the executables 144 | JAVACMD="$JAVA_HOME/jre/sh/java" 145 | else 146 | JAVACMD="$JAVA_HOME/bin/java" 147 | fi 148 | else 149 | JAVACMD="`which java`" 150 | fi 151 | fi 152 | 153 | if [ ! -x "$JAVACMD" ] ; then 154 | echo "Error: JAVA_HOME is not defined correctly." >&2 155 | echo " We cannot execute $JAVACMD" >&2 156 | exit 1 157 | fi 158 | 159 | if [ -z "$JAVA_HOME" ] ; then 160 | echo "Warning: JAVA_HOME environment variable is not set." 161 | fi 162 | 163 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 164 | 165 | # traverses directory structure from process work directory to filesystem root 166 | # first directory with .mvn subdirectory is considered project base directory 167 | find_maven_basedir() { 168 | 169 | if [ -z "$1" ] 170 | then 171 | echo "Path not specified to find_maven_basedir" 172 | return 1 173 | fi 174 | 175 | basedir="$1" 176 | wdir="$1" 177 | while [ "$wdir" != '/' ] ; do 178 | if [ -d "$wdir"/.mvn ] ; then 179 | basedir=$wdir 180 | break 181 | fi 182 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 183 | if [ -d "${wdir}" ]; then 184 | wdir=`cd "$wdir/.."; pwd` 185 | fi 186 | # end of workaround 187 | done 188 | echo "${basedir}" 189 | } 190 | 191 | # concatenates all lines of a file 192 | concat_lines() { 193 | if [ -f "$1" ]; then 194 | echo "$(tr -s '\n' ' ' < "$1")" 195 | fi 196 | } 197 | 198 | BASE_DIR=`find_maven_basedir "$(pwd)"` 199 | if [ -z "$BASE_DIR" ]; then 200 | exit 1; 201 | fi 202 | 203 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 204 | echo $MAVEN_PROJECTBASEDIR 205 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 206 | 207 | # For Cygwin, switch paths to Windows format before running java 208 | if $cygwin; then 209 | [ -n "$M2_HOME" ] && 210 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 211 | [ -n "$JAVA_HOME" ] && 212 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 213 | [ -n "$CLASSPATH" ] && 214 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 215 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 216 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 217 | fi 218 | 219 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 220 | 221 | exec "$JAVACMD" \ 222 | $MAVEN_OPTS \ 223 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 224 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 225 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 226 | -------------------------------------------------------------------------------- /spring-boot/mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM http://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven2 Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM enable echoing my setting MAVEN_BATCH_ECHO to 'on' 39 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 40 | 41 | @REM set %HOME% to equivalent of $HOME 42 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 43 | 44 | @REM Execute a user defined script before this one 45 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 46 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 47 | if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 48 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" 49 | :skipRcPre 50 | 51 | @setlocal 52 | 53 | set ERROR_CODE=0 54 | 55 | @REM To isolate internal variables from possible post scripts, we use another setlocal 56 | @setlocal 57 | 58 | @REM ==== START VALIDATION ==== 59 | if not "%JAVA_HOME%" == "" goto OkJHome 60 | 61 | echo. 62 | echo Error: JAVA_HOME not found in your environment. >&2 63 | echo Please set the JAVA_HOME variable in your environment to match the >&2 64 | echo location of your Java installation. >&2 65 | echo. 66 | goto error 67 | 68 | :OkJHome 69 | if exist "%JAVA_HOME%\bin\java.exe" goto init 70 | 71 | echo. 72 | echo Error: JAVA_HOME is set to an invalid directory. >&2 73 | echo JAVA_HOME = "%JAVA_HOME%" >&2 74 | echo Please set the JAVA_HOME variable in your environment to match the >&2 75 | echo location of your Java installation. >&2 76 | echo. 77 | goto error 78 | 79 | @REM ==== END VALIDATION ==== 80 | 81 | :init 82 | 83 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 84 | @REM Fallback to current working directory if not found. 85 | 86 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 87 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 88 | 89 | set EXEC_DIR=%CD% 90 | set WDIR=%EXEC_DIR% 91 | :findBaseDir 92 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 93 | cd .. 94 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 95 | set WDIR=%CD% 96 | goto findBaseDir 97 | 98 | :baseDirFound 99 | set MAVEN_PROJECTBASEDIR=%WDIR% 100 | cd "%EXEC_DIR%" 101 | goto endDetectBaseDir 102 | 103 | :baseDirNotFound 104 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 105 | cd "%EXEC_DIR%" 106 | 107 | :endDetectBaseDir 108 | 109 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 110 | 111 | @setlocal EnableExtensions EnableDelayedExpansion 112 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 113 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 114 | 115 | :endReadAdditionalConfig 116 | 117 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 118 | 119 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 120 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 121 | 122 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 123 | if ERRORLEVEL 1 goto error 124 | goto end 125 | 126 | :error 127 | set ERROR_CODE=1 128 | 129 | :end 130 | @endlocal & set ERROR_CODE=%ERROR_CODE% 131 | 132 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 133 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 134 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 135 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 136 | :skipRcPost 137 | 138 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 139 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 140 | 141 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 142 | 143 | exit /B %ERROR_CODE% 144 | -------------------------------------------------------------------------------- /spring-boot/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | com.example 7 | demo-opentracing 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | demo-opentracing 12 | Demo project for Spring Boot 13 | 14 | 15 | org.springframework.boot 16 | spring-boot-starter-parent 17 | 1.5.3.RELEASE 18 | 19 | 20 | 21 | 22 | UTF-8 23 | UTF-8 24 | 1.8 25 | 26 | 27 | 28 | 29 | org.springframework.boot 30 | spring-boot-starter-web 31 | 32 | 33 | 34 | io.opentracing.contrib 35 | opentracing-spring-web-autoconfigure 36 | 0.0.4 37 | 38 | 39 | 40 | com.uber.jaeger 41 | jaeger-core 42 | 0.18.0 43 | 44 | 45 | 46 | io.opentracing.brave 47 | brave-opentracing 48 | 0.20.0 49 | 50 | 51 | io.zipkin.reporter 52 | zipkin-sender-okhttp3 53 | 0.10.0 54 | 55 | 56 | 57 | org.springframework.boot 58 | spring-boot-starter-test 59 | test 60 | 61 | 62 | 63 | 64 | 65 | 66 | org.springframework.boot 67 | spring-boot-maven-plugin 68 | 69 | 70 | 71 | 72 | 73 | 74 | -------------------------------------------------------------------------------- /spring-boot/src/main/java/com/example/demoopentracing/DemoOpentracingApplication.java: -------------------------------------------------------------------------------- 1 | package com.example.demoopentracing; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | import org.springframework.boot.web.client.RestTemplateBuilder; 6 | import org.springframework.context.annotation.Bean; 7 | import org.springframework.web.client.RestTemplate; 8 | 9 | import com.uber.jaeger.Configuration; 10 | import com.uber.jaeger.samplers.ProbabilisticSampler; 11 | 12 | import brave.Tracing; 13 | import brave.opentracing.BraveTracer; 14 | import brave.sampler.Sampler; 15 | import zipkin.Span; 16 | import zipkin.reporter.AsyncReporter; 17 | import zipkin.reporter.Encoding; 18 | import zipkin.reporter.okhttp3.OkHttpSender; 19 | 20 | @SpringBootApplication 21 | public class DemoOpentracingApplication { 22 | 23 | @Bean 24 | public RestTemplate restTemplate(RestTemplateBuilder restTemplateBuilder) { 25 | return restTemplateBuilder.build(); 26 | } 27 | 28 | // @Bean 29 | public io.opentracing.Tracer jaegerTracer() { 30 | return new Configuration("spring-boot", new Configuration.SamplerConfiguration(ProbabilisticSampler.TYPE, 1), 31 | new Configuration.ReporterConfiguration()) 32 | .getTracer(); 33 | } 34 | 35 | @Bean 36 | public io.opentracing.Tracer zipkinTracer() { 37 | OkHttpSender okHttpSender = OkHttpSender.builder() 38 | .encoding(Encoding.JSON) 39 | .endpoint("http://localhost:9411/api/v1/spans") 40 | .build(); 41 | AsyncReporter reporter = AsyncReporter.builder(okHttpSender).build(); 42 | Tracing braveTracer = Tracing.newBuilder() 43 | .localServiceName("spring-boot") 44 | .reporter(reporter) 45 | .traceId128Bit(true) 46 | .sampler(Sampler.ALWAYS_SAMPLE) 47 | .build(); 48 | return BraveTracer.create(braveTracer); 49 | } 50 | 51 | public static void main(String[] args) { 52 | SpringApplication.run(DemoOpentracingApplication.class, args); 53 | } 54 | } 55 | -------------------------------------------------------------------------------- /spring-boot/src/main/java/com/example/demoopentracing/HelloController.java: -------------------------------------------------------------------------------- 1 | package com.example.demoopentracing; 2 | 3 | import org.springframework.beans.factory.annotation.Autowired; 4 | import org.springframework.http.ResponseEntity; 5 | import org.springframework.web.bind.annotation.RequestMapping; 6 | import org.springframework.web.bind.annotation.RestController; 7 | import org.springframework.web.client.RestTemplate; 8 | 9 | /** 10 | * @author Pavol Loffay 11 | */ 12 | @RestController 13 | public class HelloController { 14 | 15 | @Autowired 16 | private RestTemplate restTemplate; 17 | 18 | @RequestMapping("/hello") 19 | public String hello() { 20 | return "Hello from Spring Boot!"; 21 | } 22 | 23 | @RequestMapping("/chaining") 24 | public String chaining() { 25 | ResponseEntity response = restTemplate.getForEntity("http://localhost:8080/hello", String.class); 26 | return "Chaining + " + response.getBody(); 27 | } 28 | } 29 | -------------------------------------------------------------------------------- /spring-boot/src/main/resources/application.properties: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pavolloffay/opentracing-java-examples/39f51f25894e148336b74e7e69914b08ccd7c2ef/spring-boot/src/main/resources/application.properties -------------------------------------------------------------------------------- /spring-boot/src/test/java/com/example/demoopentracing/DemoOpentracingApplicationTests.java: -------------------------------------------------------------------------------- 1 | package com.example.demoopentracing; 2 | 3 | import org.junit.Test; 4 | import org.junit.runner.RunWith; 5 | import org.springframework.boot.test.context.SpringBootTest; 6 | import org.springframework.test.context.junit4.SpringRunner; 7 | 8 | @RunWith(SpringRunner.class) 9 | @SpringBootTest 10 | public class DemoOpentracingApplicationTests { 11 | 12 | @Test 13 | public void contextLoads() { 14 | } 15 | 16 | } 17 | -------------------------------------------------------------------------------- /wildfly-swarm-jaxrs/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | com.example 6 | demo-opentracing 7 | WildFly Swarm Example 8 | 1.0.0-SNAPSHOT 9 | war 10 | 11 | 12 | 2017.6.1 13 | 1.8 14 | 1.8 15 | false 16 | UTF-8 17 | 18 | 19 | 20 | 21 | 22 | org.wildfly.swarm 23 | bom-all 24 | ${version.wildfly.swarm} 25 | import 26 | pom 27 | 28 | 29 | 30 | 31 | 32 | demo 33 | 34 | 35 | org.wildfly.swarm 36 | wildfly-swarm-plugin 37 | ${version.wildfly.swarm} 38 | 39 | 40 | 41 | 42 | package 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | javax 54 | javaee-api 55 | 7.0 56 | provided 57 | 58 | 59 | 60 | org.wildfly.swarm 61 | jaxrs 62 | 63 | 64 | org.wildfly.swarm 65 | cdi 66 | 67 | 68 | 69 | io.opentracing.contrib 70 | opentracing-jaxrs2 71 | 0.0.8 72 | 73 | 74 | com.uber.jaeger 75 | jaeger-core 76 | 0.20.5 77 | 78 | 79 | 80 | -------------------------------------------------------------------------------- /wildfly-swarm-jaxrs/src/main/java/com/example/demoopentracing/rest/BackendService.java: -------------------------------------------------------------------------------- 1 | package com.example.demoopentracing.rest; 2 | 3 | import io.opentracing.ActiveSpan; 4 | import java.util.Random; 5 | import javax.inject.Inject; 6 | 7 | /** 8 | * @author Pavol Loffay 9 | */ 10 | public class BackendService { 11 | 12 | @Inject 13 | private io.opentracing.Tracer tracer; 14 | 15 | public String action() throws InterruptedException { 16 | 17 | int random = new Random().nextInt(200); 18 | 19 | try (ActiveSpan span = tracer.buildSpan("action").startActive()) { 20 | action2(); 21 | Thread.sleep(random); 22 | } 23 | 24 | return String.valueOf(random); 25 | } 26 | 27 | private void action2() { 28 | tracer.activeSpan().setTag("action2", "data"); 29 | } 30 | } 31 | 32 | -------------------------------------------------------------------------------- /wildfly-swarm-jaxrs/src/main/java/com/example/demoopentracing/rest/HelloWorldEndpoint.java: -------------------------------------------------------------------------------- 1 | package com.example.demoopentracing.rest; 2 | 3 | import javax.inject.Inject; 4 | import javax.ws.rs.GET; 5 | import javax.ws.rs.Path; 6 | import javax.ws.rs.Produces; 7 | import javax.ws.rs.core.Response; 8 | 9 | 10 | @Path("/hello") 11 | public class HelloWorldEndpoint { 12 | 13 | @Inject 14 | private BackendService backendService; 15 | 16 | @GET 17 | @Produces("text/plain") 18 | public Response doGet() throws InterruptedException { 19 | String action = backendService.action(); 20 | return Response.ok("Hello from WildFly Swarm! " + action).build(); 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /wildfly-swarm-jaxrs/src/main/java/com/example/demoopentracing/rest/TracingContextListener.java: -------------------------------------------------------------------------------- 1 | package com.example.demoopentracing.rest; 2 | 3 | import com.uber.jaeger.Configuration; 4 | import com.uber.jaeger.samplers.ProbabilisticSampler; 5 | import io.opentracing.util.GlobalTracer; 6 | import javax.enterprise.inject.Produces; 7 | import javax.inject.Inject; 8 | import javax.inject.Singleton; 9 | import javax.servlet.ServletContextEvent; 10 | import javax.servlet.ServletContextListener; 11 | import javax.servlet.annotation.WebListener; 12 | 13 | /** 14 | * @author Pavol Loffay 15 | */ 16 | @WebListener 17 | public class TracingContextListener implements ServletContextListener { 18 | 19 | @Inject 20 | private io.opentracing.Tracer tracer; 21 | 22 | @Override 23 | public void contextInitialized(ServletContextEvent sce) { 24 | GlobalTracer.register(tracer); 25 | } 26 | 27 | @Override 28 | public void contextDestroyed(ServletContextEvent sce) {} 29 | 30 | @Produces 31 | @Singleton 32 | public static io.opentracing.Tracer jaegerTracer() { 33 | return new Configuration("wildfly-swarm", new Configuration.SamplerConfiguration( 34 | ProbabilisticSampler.TYPE, 1), 35 | new Configuration.ReporterConfiguration()) 36 | .getTracer(); 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /wildfly-swarm-jaxrs/src/main/resources/META-INF/beans.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | --------------------------------------------------------------------------------