Merge pull request #337 from DataDog/tyler/remove-examples
Remove examples and cleanup ignores
This commit is contained in:
Tyler Benson
GitHub
commit
657cf7d0ef
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@ -2,7 +2,6 @@
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#########
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#########
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target
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target
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/target
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/target
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**/target/
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**/dependency-reduced-pom.xml
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**/dependency-reduced-pom.xml
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# Gradle #
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# Gradle #
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@ -49,11 +48,8 @@ out/
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/logs/*
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/logs/*
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/bin
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/bin
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/out
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/out
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*/out
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/workspace
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/workspace
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dd-java-agent/instrumentation/*/out
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dd-java-agent/benchmark-integration/perf-test-settings.rc
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dd-java-agent/benchmark-integration/perf-test-settings.rc
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examples/*/out
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derby.log
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derby.log
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!dd-java-agent/benchmark/releases/*.jar
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!dd-java-agent/benchmark/releases/*.jar
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@ -1,21 +0,0 @@
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## Datadog Java Tracer examples
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The goal of this repository is to offer you some examples about how to instrument your code
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using the OpenTracing API and the DD Tracer.
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Here are the examples
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* [Dropwizard (Jax-Rs) + Mongo database + HTTP Client](dropwizard-mongo-client/README.md)
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* [Spring-boot + MySQL JDBC database + Redis (Jedis client)](spring-boot-jdbc-redis/README.md)
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* [Instrumenting using a Java Agent](javaagent/README.md)
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## Prerequisites
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In order to run the demos, you have to do something before:
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* Get the latest lib of the DD-Tracer and push it to the lib directory
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* Make sure you have a running Datadog Agent on the local port 8126 (default one)
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* In the Datadog agent configuration, set APM to true (and restart it)
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* Maven
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@ -1,72 +0,0 @@
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## Dropwizard
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This project provides a simple [Dropwizard][1] example. This is a supported framework that uses
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auto-instrumentation for all endpoints. Manual instrumentation has been added as example.
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[1]: http://www.dropwizard.io/
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### Run the demo
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#### Prerequisites
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Be sure to build the project so that the latest version of ``dd-trace-java`` components are used. You can build
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all libraries and examples launching from the ``dd-trace-java`` root folder:
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```bash
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./gradlew clean shadowJar installDist
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```
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Then you can start all services via Docker:
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```bash
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cd examples/dropwizard-mongo-client
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DD_API_KEY=<your_datadog_api_key> docker-compose up -d
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```
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A valid ``DD_API_KEY`` is required to post collected traces to the Datadog backend.
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#### Run the application
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Launch the application using the run wrapper you've built during the ``installDist`` step:
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```bash
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JAVA_OPTS="-javaagent:../../dd-java-agent/build/libs/dd-java-agent-{version}.jar -Ddd.service.name=dropwizard-example" build/install/dropwizard-mongo-client/bin/dropwizard-mongo-client server
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```
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Or as an executable jar:
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```bash
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java -javaagent:../../dd-java-agent/build/libs/dd-java-agent-{version}.jar -Ddd.service.name=dropwizard-example -jar build/libs/dropwizard-mongo-client-demo-all.jar server
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```
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``0.2.0-SNAPSHOT`` is an example of what ``{version}`` looks like.
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### Generate traces
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#### With your web browser
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Once the application runs. Go to the following url:
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* [http://localhost:8080/demo/add?title=some-book-title&isbn=1234&page=42][1]
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* [http://localhost:8080/demo/][2]
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[1]: http://localhost:8080/demo/add?title=some-book-title&isbn=1234&page=42
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[2]: http://localhost:8080/demo/
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Then get back to Datadog and wait a bit to see a trace coming.
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#### Cross process tracing: with the provided `TracedClient` class
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The ``TracedClient`` class includes an example of what you can use to do distributed tracing. The class must be
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auto-instrumented with the Java Agent as above, so that ``OkHttpClient`` adds the required headers to continue
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the tracing cross process.
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To run the distributed example, first start the dropwizard app, the mongo db and finally run the `main` from `com.example.helloworld.client.TracedClient`
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#### Auto-instrumentation with the `dd-trace-agent`
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The instrumentation is entirely done by the Java Agent which embed a set of rules that automatically recognizes &
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instruments:
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- The Java servlet filters
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- The Mongo client
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- The `@Trace` annotation
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- The OkHTTP client (in the ``TracedClient`` class)
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The Java Agent embeds the [OpenTracing Java Agent](https://github.com/opentracing-contrib/java-agent).
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@ -1,12 +0,0 @@
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mongo:
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image: mongo:3.2
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ports:
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- "127.0.0.1:27017:27017"
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ddagent:
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image: datadog/docker-dd-agent
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environment:
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- DD_BIND_HOST=0.0.0.0
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- DD_API_KEY
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ports:
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- "127.0.0.1:8126:8126"
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@ -1,41 +0,0 @@
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plugins {
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id "com.github.johnrengelman.shadow" version "2.0.4"
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}
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apply plugin: 'application'
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apply from: "${rootDir}/gradle/java.gradle"
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version = 'demo'
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description = 'dropwizard-mongo-client'
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mainClassName = 'datadog.example.dropwizard.BookApplication'
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applicationDefaultJvmArgs = ["-Ddd.service.name=dropwizard-example"]
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sourceCompatibility = 1.8
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targetCompatibility = 1.8
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dependencies {
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compile project(':dd-trace-ot')
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compile project(':dd-trace-api')
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compile deps.opentracing
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compile group: 'io.dropwizard', name: 'dropwizard-core', version: '0.9.2'
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compile group: 'org.mongodb', name: 'mongo-java-driver', version: '3.4.2'
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compile group: 'com.squareup.okhttp3', name: 'okhttp', version: '3.7.0'
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}
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jar {
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manifest {
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attributes 'Main-Class': 'datadog.example.dropwizard.BookApplication'
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}
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}
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shadowJar {
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mergeServiceFiles()
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}
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task wrapper(type: Wrapper) {
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gradleVersion = gradleWrapperVersion
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}
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Binary file not shown.
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@ -1,5 +0,0 @@
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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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@ -1,172 +0,0 @@
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#!/usr/bin/env sh
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##############################################################################
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##
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## Gradle start up script for UN*X
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##
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##############################################################################
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# Attempt to set APP_HOME
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# Resolve links: $0 may be a link
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PRG="$0"
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# Need this for relative symlinks.
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while [ -h "$PRG" ] ; do
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ls=`ls -ld "$PRG"`
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link=`expr "$ls" : '.*-> \(.*\)$'`
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if expr "$link" : '/.*' > /dev/null; then
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PRG="$link"
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else
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PRG=`dirname "$PRG"`"/$link"
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fi
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done
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SAVED="`pwd`"
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cd "`dirname \"$PRG\"`/" >/dev/null
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APP_HOME="`pwd -P`"
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cd "$SAVED" >/dev/null
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APP_NAME="Gradle"
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APP_BASE_NAME=`basename "$0"`
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# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
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DEFAULT_JVM_OPTS=""
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# Use the maximum available, or set MAX_FD != -1 to use that value.
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MAX_FD="maximum"
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warn () {
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echo "$*"
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}
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die () {
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echo
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echo "$*"
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echo
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exit 1
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}
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# OS specific support (must be 'true' or 'false').
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cygwin=false
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msys=false
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darwin=false
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nonstop=false
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case "`uname`" in
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CYGWIN* )
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cygwin=true
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;;
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Darwin* )
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darwin=true
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;;
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MINGW* )
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msys=true
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;;
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NONSTOP* )
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nonstop=true
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;;
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esac
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CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
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# Determine the Java command to use to start the JVM.
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if [ -n "$JAVA_HOME" ] ; then
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if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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# IBM's JDK on AIX uses strange locations for the executables
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JAVACMD="$JAVA_HOME/jre/sh/java"
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else
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JAVACMD="$JAVA_HOME/bin/java"
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fi
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if [ ! -x "$JAVACMD" ] ; then
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die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
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Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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else
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JAVACMD="java"
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which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
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Please set the JAVA_HOME variable in your environment to match the
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location of your Java installation."
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fi
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# Increase the maximum file descriptors if we can.
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if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
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MAX_FD_LIMIT=`ulimit -H -n`
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if [ $? -eq 0 ] ; then
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if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
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MAX_FD="$MAX_FD_LIMIT"
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fi
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ulimit -n $MAX_FD
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if [ $? -ne 0 ] ; then
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warn "Could not set maximum file descriptor limit: $MAX_FD"
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||||||
fi
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||||||
else
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warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
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||||||
fi
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fi
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# For Darwin, add options to specify how the application appears in the dock
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|
||||||
if $darwin; then
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GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
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|
||||||
fi
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||||||
# For Cygwin, switch paths to Windows format before running java
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|
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if $cygwin ; then
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APP_HOME=`cygpath --path --mixed "$APP_HOME"`
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||||||
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
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||||||
JAVACMD=`cygpath --unix "$JAVACMD"`
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|
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||||||
# We build the pattern for arguments to be converted via cygpath
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ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
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SEP=""
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||||||
for dir in $ROOTDIRSRAW ; do
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||||||
ROOTDIRS="$ROOTDIRS$SEP$dir"
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||||||
SEP="|"
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|
||||||
done
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||||||
OURCYGPATTERN="(^($ROOTDIRS))"
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||||||
# Add a user-defined pattern to the cygpath arguments
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|
||||||
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
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|
||||||
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
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|
||||||
fi
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||||||
# Now convert the arguments - kludge to limit ourselves to /bin/sh
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|
||||||
i=0
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|
||||||
for arg in "$@" ; do
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|
||||||
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
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|
||||||
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
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|
||||||
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|
||||||
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
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|
||||||
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
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|
||||||
else
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|
||||||
eval `echo args$i`="\"$arg\""
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|
||||||
fi
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|
||||||
i=$((i+1))
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|
||||||
done
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|
||||||
case $i in
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|
||||||
(0) set -- ;;
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|
||||||
(1) set -- "$args0" ;;
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|
||||||
(2) set -- "$args0" "$args1" ;;
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|
||||||
(3) set -- "$args0" "$args1" "$args2" ;;
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|
||||||
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
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|
||||||
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
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|
||||||
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
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|
||||||
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
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|
||||||
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
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|
||||||
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
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|
||||||
esac
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|
||||||
fi
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|
||||||
|
|
||||||
# Escape application args
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|
||||||
save () {
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|
||||||
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
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|
||||||
echo " "
|
|
||||||
}
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|
||||||
APP_ARGS=$(save "$@")
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|
||||||
|
|
||||||
# Collect all arguments for the java command, following the shell quoting and substitution rules
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|
||||||
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
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|
||||||
|
|
||||||
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
|
|
||||||
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
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|
||||||
cd "$(dirname "$0")"
|
|
||||||
fi
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|
||||||
|
|
||||||
exec "$JAVACMD" "$@"
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|
||||||
|
|
@ -1,84 +0,0 @@
|
||||||
@if "%DEBUG%" == "" @echo off
|
|
||||||
@rem ##########################################################################
|
|
||||||
@rem
|
|
||||||
@rem Gradle startup script for Windows
|
|
||||||
@rem
|
|
||||||
@rem ##########################################################################
|
|
||||||
|
|
||||||
@rem Set local scope for the variables with windows NT shell
|
|
||||||
if "%OS%"=="Windows_NT" setlocal
|
|
||||||
|
|
||||||
set DIRNAME=%~dp0
|
|
||||||
if "%DIRNAME%" == "" set DIRNAME=.
|
|
||||||
set APP_BASE_NAME=%~n0
|
|
||||||
set APP_HOME=%DIRNAME%
|
|
||||||
|
|
||||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
|
||||||
set DEFAULT_JVM_OPTS=
|
|
||||||
|
|
||||||
@rem Find java.exe
|
|
||||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
|
||||||
|
|
||||||
set JAVA_EXE=java.exe
|
|
||||||
%JAVA_EXE% -version >NUL 2>&1
|
|
||||||
if "%ERRORLEVEL%" == "0" goto init
|
|
||||||
|
|
||||||
echo.
|
|
||||||
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
|
||||||
echo.
|
|
||||||
echo Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
echo location of your Java installation.
|
|
||||||
|
|
||||||
goto fail
|
|
||||||
|
|
||||||
:findJavaFromJavaHome
|
|
||||||
set JAVA_HOME=%JAVA_HOME:"=%
|
|
||||||
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
|
||||||
|
|
||||||
if exist "%JAVA_EXE%" goto init
|
|
||||||
|
|
||||||
echo.
|
|
||||||
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
|
|
||||||
echo.
|
|
||||||
echo Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
echo location of your Java installation.
|
|
||||||
|
|
||||||
goto fail
|
|
||||||
|
|
||||||
:init
|
|
||||||
@rem Get command-line arguments, handling Windows variants
|
|
||||||
|
|
||||||
if not "%OS%" == "Windows_NT" goto win9xME_args
|
|
||||||
|
|
||||||
:win9xME_args
|
|
||||||
@rem Slurp the command line arguments.
|
|
||||||
set CMD_LINE_ARGS=
|
|
||||||
set _SKIP=2
|
|
||||||
|
|
||||||
:win9xME_args_slurp
|
|
||||||
if "x%~1" == "x" goto execute
|
|
||||||
|
|
||||||
set CMD_LINE_ARGS=%*
|
|
||||||
|
|
||||||
:execute
|
|
||||||
@rem Setup the command line
|
|
||||||
|
|
||||||
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
|
||||||
|
|
||||||
@rem Execute Gradle
|
|
||||||
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
|
|
||||||
|
|
||||||
:end
|
|
||||||
@rem End local scope for the variables with windows NT shell
|
|
||||||
if "%ERRORLEVEL%"=="0" goto mainEnd
|
|
||||||
|
|
||||||
:fail
|
|
||||||
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
|
||||||
rem the _cmd.exe /c_ return code!
|
|
||||||
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
|
|
||||||
exit /b 1
|
|
||||||
|
|
||||||
:mainEnd
|
|
||||||
if "%OS%"=="Windows_NT" endlocal
|
|
||||||
|
|
||||||
:omega
|
|
||||||
|
|
@ -1,29 +0,0 @@
|
||||||
package datadog.example.dropwizard;
|
|
||||||
|
|
||||||
import datadog.example.dropwizard.resources.SimpleCrudResource;
|
|
||||||
import io.dropwizard.Application;
|
|
||||||
import io.dropwizard.Configuration;
|
|
||||||
import io.dropwizard.setup.Bootstrap;
|
|
||||||
import io.dropwizard.setup.Environment;
|
|
||||||
|
|
||||||
public class BookApplication extends Application<Configuration> {
|
|
||||||
public static void main(final String[] args) throws Exception {
|
|
||||||
new BookApplication().run(args);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public String getName() {
|
|
||||||
return "hello-world";
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void initialize(final Bootstrap<Configuration> bootstrap) {
|
|
||||||
// nothing to do yet
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void run(final Configuration configuration, final Environment environment) {
|
|
||||||
|
|
||||||
environment.jersey().register(new SimpleCrudResource());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,38 +0,0 @@
|
||||||
package datadog.example.dropwizard.api;
|
|
||||||
|
|
||||||
import com.fasterxml.jackson.annotation.JsonProperty;
|
|
||||||
import org.bson.Document;
|
|
||||||
|
|
||||||
public class Book {
|
|
||||||
|
|
||||||
private final String title;
|
|
||||||
private final int numberPages;
|
|
||||||
private final String isbnCode;
|
|
||||||
|
|
||||||
public Book(final String isbnCode, final String title, final int numberPages) {
|
|
||||||
this.title = title;
|
|
||||||
this.numberPages = numberPages;
|
|
||||||
this.isbnCode = isbnCode;
|
|
||||||
}
|
|
||||||
|
|
||||||
public Book(final Document d) {
|
|
||||||
this(d.getString("isbn"), d.getString("title"), d.getInteger("page").intValue());
|
|
||||||
}
|
|
||||||
|
|
||||||
@JsonProperty("ISBN")
|
|
||||||
public String getIsbnCode() {
|
|
||||||
return isbnCode;
|
|
||||||
}
|
|
||||||
|
|
||||||
public String getTitle() {
|
|
||||||
return title;
|
|
||||||
}
|
|
||||||
|
|
||||||
public int getNumberPages() {
|
|
||||||
return numberPages;
|
|
||||||
}
|
|
||||||
|
|
||||||
public Document toDocument() {
|
|
||||||
return new Document("isbn", isbnCode).append("title", title).append("page", numberPages);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,38 +0,0 @@
|
||||||
package datadog.example.dropwizard.client;
|
|
||||||
|
|
||||||
import datadog.trace.api.DDTags;
|
|
||||||
import datadog.trace.api.Trace;
|
|
||||||
import io.opentracing.Scope;
|
|
||||||
import io.opentracing.Tracer;
|
|
||||||
import io.opentracing.util.GlobalTracer;
|
|
||||||
import java.io.IOException;
|
|
||||||
import okhttp3.OkHttpClient;
|
|
||||||
import okhttp3.Request;
|
|
||||||
import okhttp3.Response;
|
|
||||||
|
|
||||||
/**
|
|
||||||
* This class is just a HTTP Client with a trace started. The spanId and the traceId are forwarded
|
|
||||||
* through HTTP headers The server is able to reconstruct the parent span via extracted headers The
|
|
||||||
* full trace will be reconstruct via the APM
|
|
||||||
*/
|
|
||||||
public class TracedClient {
|
|
||||||
|
|
||||||
public static void main(final String[] args) throws Exception {
|
|
||||||
executeCall();
|
|
||||||
System.out.println("After execute");
|
|
||||||
}
|
|
||||||
|
|
||||||
@Trace
|
|
||||||
private static void executeCall() throws IOException {
|
|
||||||
final Tracer tracer = GlobalTracer.get();
|
|
||||||
final Scope scope = tracer.scopeManager().active();
|
|
||||||
scope.span().setTag(DDTags.SERVICE_NAME, "http.client");
|
|
||||||
|
|
||||||
final OkHttpClient client = new OkHttpClient().newBuilder().build();
|
|
||||||
final Request request = new Request.Builder().url("http://localhost:8080/demo/").build();
|
|
||||||
final Response response = client.newCall(request).execute();
|
|
||||||
if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);
|
|
||||||
|
|
||||||
System.out.println(response.body().string());
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,141 +0,0 @@
|
||||||
package datadog.example.dropwizard.resources;
|
|
||||||
|
|
||||||
import com.google.common.base.Optional;
|
|
||||||
import com.mongodb.MongoClient;
|
|
||||||
import com.mongodb.client.MongoCursor;
|
|
||||||
import com.mongodb.client.MongoDatabase;
|
|
||||||
import datadog.example.dropwizard.api.Book;
|
|
||||||
import datadog.trace.api.Trace;
|
|
||||||
import io.opentracing.Scope;
|
|
||||||
import io.opentracing.util.GlobalTracer;
|
|
||||||
import java.util.ArrayList;
|
|
||||||
import java.util.List;
|
|
||||||
import javax.ws.rs.GET;
|
|
||||||
import javax.ws.rs.Path;
|
|
||||||
import javax.ws.rs.Produces;
|
|
||||||
import javax.ws.rs.QueryParam;
|
|
||||||
import javax.ws.rs.container.AsyncResponse;
|
|
||||||
import javax.ws.rs.container.Suspended;
|
|
||||||
import javax.ws.rs.core.MediaType;
|
|
||||||
import org.bson.Document;
|
|
||||||
|
|
||||||
@Path("/demo")
|
|
||||||
@Produces(MediaType.APPLICATION_JSON)
|
|
||||||
public class SimpleCrudResource {
|
|
||||||
|
|
||||||
private final MongoClient client;
|
|
||||||
private final MongoDatabase db;
|
|
||||||
private static final String HOSTNAME = "localhost";
|
|
||||||
private static final String DATABASE = "demo";
|
|
||||||
private static final java.lang.String COLLECTION = "books";
|
|
||||||
|
|
||||||
public SimpleCrudResource() {
|
|
||||||
|
|
||||||
// Init the client
|
|
||||||
client = new MongoClient(HOSTNAME);
|
|
||||||
|
|
||||||
// For this example, start from a fresh DB
|
|
||||||
try {
|
|
||||||
client.dropDatabase(DATABASE);
|
|
||||||
} catch (final Exception e) {
|
|
||||||
// do nothing here
|
|
||||||
}
|
|
||||||
|
|
||||||
// Init the connection to the collection
|
|
||||||
db = client.getDatabase(DATABASE);
|
|
||||||
db.createCollection(COLLECTION);
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Add a book to the DB
|
|
||||||
*
|
|
||||||
* @return The status of the save
|
|
||||||
* @throws InterruptedException
|
|
||||||
*/
|
|
||||||
@GET
|
|
||||||
@Path("/add")
|
|
||||||
public String addBook(
|
|
||||||
@QueryParam("isbn") final Optional<String> isbn,
|
|
||||||
@QueryParam("title") final Optional<String> title,
|
|
||||||
@QueryParam("page") final Optional<Integer> page)
|
|
||||||
throws InterruptedException {
|
|
||||||
|
|
||||||
// The methodDB is traced (see below), this will be produced a new child span
|
|
||||||
beforeDB();
|
|
||||||
|
|
||||||
if (!isbn.isPresent()) {
|
|
||||||
throw new IllegalArgumentException("ISBN should not be null");
|
|
||||||
}
|
|
||||||
|
|
||||||
final Book book = new Book(isbn.get(), title.or("Missing title"), page.or(0));
|
|
||||||
|
|
||||||
db.getCollection(COLLECTION).insertOne(book.toDocument());
|
|
||||||
return "Book saved!";
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* List all books present in the DB
|
|
||||||
*
|
|
||||||
* @return list of Books
|
|
||||||
* @throws InterruptedException
|
|
||||||
*/
|
|
||||||
@GET
|
|
||||||
public List<Book> getBooks() throws InterruptedException {
|
|
||||||
|
|
||||||
// The methodDB is traced (see below), this will be produced a new childre span
|
|
||||||
beforeDB();
|
|
||||||
|
|
||||||
final List<Book> books = new ArrayList<>();
|
|
||||||
try (MongoCursor<Document> cursor = db.getCollection(COLLECTION).find().iterator()) {
|
|
||||||
while (cursor.hasNext()) {
|
|
||||||
books.add(new Book(cursor.next()));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// The methodDB is traced (see below), this will be produced a new child span
|
|
||||||
afterDB();
|
|
||||||
|
|
||||||
return books;
|
|
||||||
}
|
|
||||||
|
|
||||||
@GET
|
|
||||||
@Path("/async")
|
|
||||||
public void async(@Suspended final AsyncResponse response) {
|
|
||||||
// not actually async, but useful for testing that codepath.
|
|
||||||
response.resume("Returned from async");
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The beforeDB is traced using the annotation @Trace with a custom operationName and a custom
|
|
||||||
* tag.
|
|
||||||
*
|
|
||||||
* @throws InterruptedException
|
|
||||||
*/
|
|
||||||
@Trace(operationName = "database.before")
|
|
||||||
public void beforeDB() throws InterruptedException {
|
|
||||||
final Scope scope = GlobalTracer.get().scopeManager().active();
|
|
||||||
if (scope != null) {
|
|
||||||
scope.span().setTag("status", "started");
|
|
||||||
Thread.sleep(10);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The afterDB is traced using the annotation @Trace with a custom operationName and a custom tag.
|
|
||||||
*
|
|
||||||
* @throws InterruptedException
|
|
||||||
*/
|
|
||||||
@Trace(operationName = "database.after")
|
|
||||||
public void afterDB() throws InterruptedException {
|
|
||||||
final Scope scope = GlobalTracer.get().scopeManager().active();
|
|
||||||
if (scope != null) {
|
|
||||||
scope.span().setTag("status", "started");
|
|
||||||
Thread.sleep(10);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/** Flush resources */
|
|
||||||
public void close() {
|
|
||||||
client.close();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,5 +0,0 @@
|
||||||
logging:
|
|
||||||
level: INFO
|
|
||||||
loggers:
|
|
||||||
"datadog.trace": DEBUG
|
|
||||||
"io.opentracing": DEBUG
|
|
||||||
|
|
@ -1,62 +0,0 @@
|
||||||
## REST Spark
|
|
||||||
|
|
||||||
This project provides a simple REST API using the [Spark web framework][1]. Even if the framework is not directly
|
|
||||||
supported, manual instrumentation is used to trace one of the endpoints. A ``MongoClient`` is traced so that
|
|
||||||
Mongo calls are part of the Spark trace.
|
|
||||||
|
|
||||||
[1]: http://sparkjava.com/
|
|
||||||
|
|
||||||
### Run the demo
|
|
||||||
|
|
||||||
#### Prerequisites
|
|
||||||
|
|
||||||
Be sure to build the project so that the latest version of ``dd-trace-java`` components are used. You can build
|
|
||||||
all libraries and examples launching from the ``dd-trace-java`` root folder:
|
|
||||||
```bash
|
|
||||||
./gradlew clean shadowJar
|
|
||||||
```
|
|
||||||
|
|
||||||
Then you can prepare the distributable version of the ``rest-spark`` as follows:
|
|
||||||
```bash
|
|
||||||
cd examples/rest-spark
|
|
||||||
./gradlew installDist
|
|
||||||
```
|
|
||||||
|
|
||||||
Then you can start all services via Docker:
|
|
||||||
```bash
|
|
||||||
DD_API_KEY=<your_datadog_api_key> docker-compose up -d
|
|
||||||
```
|
|
||||||
|
|
||||||
A valid ``DD_API_KEY`` is required to post collected traces to the Datadog backend.
|
|
||||||
|
|
||||||
#### Run the application
|
|
||||||
|
|
||||||
Launch the application using the run wrapper you've built during the ``installDist`` step:
|
|
||||||
```bash
|
|
||||||
JAVA_OPTS=-javaagent:../../dd-java-agent/build/libs/dd-java-agent-{version}.jar -Ddd.service.name=rest-spark build/install/rest-spark/bin/rest-spark
|
|
||||||
```
|
|
||||||
|
|
||||||
``0.2.0-SNAPSHOT`` is an example of what ``{version}`` looks like.
|
|
||||||
|
|
||||||
### Generate traces
|
|
||||||
|
|
||||||
#### With your web browser
|
|
||||||
|
|
||||||
Once the application runs. Go to the following url:
|
|
||||||
|
|
||||||
* [http://localhost:4567/key/something][2]
|
|
||||||
* [http://localhost:4567/key/something_else][3]
|
|
||||||
|
|
||||||
Then get back to Datadog and wait a bit to see a trace coming.
|
|
||||||
|
|
||||||
[2]: http://localhost:4567/key/something
|
|
||||||
[3]: http://localhost:4567/key/something_else
|
|
||||||
|
|
||||||
#### Auto-instrumentation with the `dd-trace-agent`
|
|
||||||
|
|
||||||
The instrumentation is entirely done by the Java Agent which embed a set of rules that automatically recognizes &
|
|
||||||
instruments:
|
|
||||||
|
|
||||||
- The Mongo client
|
|
||||||
|
|
||||||
The Java Agent embeds the [OpenTracing Java Agent](https://github.com/opentracing-contrib/java-agent).
|
|
||||||
|
|
@ -1,12 +0,0 @@
|
||||||
mongo:
|
|
||||||
image: mongo:3.2
|
|
||||||
ports:
|
|
||||||
- "127.0.0.1:27017:27017"
|
|
||||||
|
|
||||||
ddagent:
|
|
||||||
image: datadog/docker-dd-agent
|
|
||||||
environment:
|
|
||||||
- DD_BIND_HOST=0.0.0.0
|
|
||||||
- DD_API_KEY
|
|
||||||
ports:
|
|
||||||
- "127.0.0.1:8126:8126"
|
|
||||||
Binary file not shown.
|
|
@ -1,5 +0,0 @@
|
||||||
distributionBase=GRADLE_USER_HOME
|
|
||||||
distributionPath=wrapper/dists
|
|
||||||
distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
|
|
||||||
zipStoreBase=GRADLE_USER_HOME
|
|
||||||
zipStorePath=wrapper/dists
|
|
||||||
|
|
@ -1,172 +0,0 @@
|
||||||
#!/usr/bin/env sh
|
|
||||||
|
|
||||||
##############################################################################
|
|
||||||
##
|
|
||||||
## Gradle start up script for UN*X
|
|
||||||
##
|
|
||||||
##############################################################################
|
|
||||||
|
|
||||||
# Attempt to set APP_HOME
|
|
||||||
# Resolve links: $0 may be a link
|
|
||||||
PRG="$0"
|
|
||||||
# Need this for relative symlinks.
|
|
||||||
while [ -h "$PRG" ] ; do
|
|
||||||
ls=`ls -ld "$PRG"`
|
|
||||||
link=`expr "$ls" : '.*-> \(.*\)$'`
|
|
||||||
if expr "$link" : '/.*' > /dev/null; then
|
|
||||||
PRG="$link"
|
|
||||||
else
|
|
||||||
PRG=`dirname "$PRG"`"/$link"
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
SAVED="`pwd`"
|
|
||||||
cd "`dirname \"$PRG\"`/" >/dev/null
|
|
||||||
APP_HOME="`pwd -P`"
|
|
||||||
cd "$SAVED" >/dev/null
|
|
||||||
|
|
||||||
APP_NAME="Gradle"
|
|
||||||
APP_BASE_NAME=`basename "$0"`
|
|
||||||
|
|
||||||
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
|
||||||
DEFAULT_JVM_OPTS=""
|
|
||||||
|
|
||||||
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
|
||||||
MAX_FD="maximum"
|
|
||||||
|
|
||||||
warn () {
|
|
||||||
echo "$*"
|
|
||||||
}
|
|
||||||
|
|
||||||
die () {
|
|
||||||
echo
|
|
||||||
echo "$*"
|
|
||||||
echo
|
|
||||||
exit 1
|
|
||||||
}
|
|
||||||
|
|
||||||
# OS specific support (must be 'true' or 'false').
|
|
||||||
cygwin=false
|
|
||||||
msys=false
|
|
||||||
darwin=false
|
|
||||||
nonstop=false
|
|
||||||
case "`uname`" in
|
|
||||||
CYGWIN* )
|
|
||||||
cygwin=true
|
|
||||||
;;
|
|
||||||
Darwin* )
|
|
||||||
darwin=true
|
|
||||||
;;
|
|
||||||
MINGW* )
|
|
||||||
msys=true
|
|
||||||
;;
|
|
||||||
NONSTOP* )
|
|
||||||
nonstop=true
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
|
|
||||||
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
|
|
||||||
|
|
||||||
# Determine the Java command to use to start the JVM.
|
|
||||||
if [ -n "$JAVA_HOME" ] ; then
|
|
||||||
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
|
|
||||||
# IBM's JDK on AIX uses strange locations for the executables
|
|
||||||
JAVACMD="$JAVA_HOME/jre/sh/java"
|
|
||||||
else
|
|
||||||
JAVACMD="$JAVA_HOME/bin/java"
|
|
||||||
fi
|
|
||||||
if [ ! -x "$JAVACMD" ] ; then
|
|
||||||
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
|
||||||
|
|
||||||
Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
location of your Java installation."
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
JAVACMD="java"
|
|
||||||
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
|
||||||
|
|
||||||
Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
location of your Java installation."
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Increase the maximum file descriptors if we can.
|
|
||||||
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
|
|
||||||
MAX_FD_LIMIT=`ulimit -H -n`
|
|
||||||
if [ $? -eq 0 ] ; then
|
|
||||||
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
|
|
||||||
MAX_FD="$MAX_FD_LIMIT"
|
|
||||||
fi
|
|
||||||
ulimit -n $MAX_FD
|
|
||||||
if [ $? -ne 0 ] ; then
|
|
||||||
warn "Could not set maximum file descriptor limit: $MAX_FD"
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
# For Darwin, add options to specify how the application appears in the dock
|
|
||||||
if $darwin; then
|
|
||||||
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
|
|
||||||
fi
|
|
||||||
|
|
||||||
# For Cygwin, switch paths to Windows format before running java
|
|
||||||
if $cygwin ; then
|
|
||||||
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
|
|
||||||
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
|
|
||||||
JAVACMD=`cygpath --unix "$JAVACMD"`
|
|
||||||
|
|
||||||
# We build the pattern for arguments to be converted via cygpath
|
|
||||||
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
|
|
||||||
SEP=""
|
|
||||||
for dir in $ROOTDIRSRAW ; do
|
|
||||||
ROOTDIRS="$ROOTDIRS$SEP$dir"
|
|
||||||
SEP="|"
|
|
||||||
done
|
|
||||||
OURCYGPATTERN="(^($ROOTDIRS))"
|
|
||||||
# Add a user-defined pattern to the cygpath arguments
|
|
||||||
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
|
|
||||||
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
|
|
||||||
fi
|
|
||||||
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
|
||||||
i=0
|
|
||||||
for arg in "$@" ; do
|
|
||||||
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
|
|
||||||
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
|
|
||||||
|
|
||||||
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
|
|
||||||
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
|
|
||||||
else
|
|
||||||
eval `echo args$i`="\"$arg\""
|
|
||||||
fi
|
|
||||||
i=$((i+1))
|
|
||||||
done
|
|
||||||
case $i in
|
|
||||||
(0) set -- ;;
|
|
||||||
(1) set -- "$args0" ;;
|
|
||||||
(2) set -- "$args0" "$args1" ;;
|
|
||||||
(3) set -- "$args0" "$args1" "$args2" ;;
|
|
||||||
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
|
|
||||||
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
|
|
||||||
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
|
|
||||||
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
|
|
||||||
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
|
|
||||||
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
|
|
||||||
esac
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Escape application args
|
|
||||||
save () {
|
|
||||||
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
|
|
||||||
echo " "
|
|
||||||
}
|
|
||||||
APP_ARGS=$(save "$@")
|
|
||||||
|
|
||||||
# Collect all arguments for the java command, following the shell quoting and substitution rules
|
|
||||||
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
|
|
||||||
|
|
||||||
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
|
|
||||||
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
|
|
||||||
cd "$(dirname "$0")"
|
|
||||||
fi
|
|
||||||
|
|
||||||
exec "$JAVACMD" "$@"
|
|
||||||
|
|
@ -1,84 +0,0 @@
|
||||||
@if "%DEBUG%" == "" @echo off
|
|
||||||
@rem ##########################################################################
|
|
||||||
@rem
|
|
||||||
@rem Gradle startup script for Windows
|
|
||||||
@rem
|
|
||||||
@rem ##########################################################################
|
|
||||||
|
|
||||||
@rem Set local scope for the variables with windows NT shell
|
|
||||||
if "%OS%"=="Windows_NT" setlocal
|
|
||||||
|
|
||||||
set DIRNAME=%~dp0
|
|
||||||
if "%DIRNAME%" == "" set DIRNAME=.
|
|
||||||
set APP_BASE_NAME=%~n0
|
|
||||||
set APP_HOME=%DIRNAME%
|
|
||||||
|
|
||||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
|
||||||
set DEFAULT_JVM_OPTS=
|
|
||||||
|
|
||||||
@rem Find java.exe
|
|
||||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
|
||||||
|
|
||||||
set JAVA_EXE=java.exe
|
|
||||||
%JAVA_EXE% -version >NUL 2>&1
|
|
||||||
if "%ERRORLEVEL%" == "0" goto init
|
|
||||||
|
|
||||||
echo.
|
|
||||||
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
|
||||||
echo.
|
|
||||||
echo Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
echo location of your Java installation.
|
|
||||||
|
|
||||||
goto fail
|
|
||||||
|
|
||||||
:findJavaFromJavaHome
|
|
||||||
set JAVA_HOME=%JAVA_HOME:"=%
|
|
||||||
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
|
||||||
|
|
||||||
if exist "%JAVA_EXE%" goto init
|
|
||||||
|
|
||||||
echo.
|
|
||||||
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
|
|
||||||
echo.
|
|
||||||
echo Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
echo location of your Java installation.
|
|
||||||
|
|
||||||
goto fail
|
|
||||||
|
|
||||||
:init
|
|
||||||
@rem Get command-line arguments, handling Windows variants
|
|
||||||
|
|
||||||
if not "%OS%" == "Windows_NT" goto win9xME_args
|
|
||||||
|
|
||||||
:win9xME_args
|
|
||||||
@rem Slurp the command line arguments.
|
|
||||||
set CMD_LINE_ARGS=
|
|
||||||
set _SKIP=2
|
|
||||||
|
|
||||||
:win9xME_args_slurp
|
|
||||||
if "x%~1" == "x" goto execute
|
|
||||||
|
|
||||||
set CMD_LINE_ARGS=%*
|
|
||||||
|
|
||||||
:execute
|
|
||||||
@rem Setup the command line
|
|
||||||
|
|
||||||
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
|
||||||
|
|
||||||
@rem Execute Gradle
|
|
||||||
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
|
|
||||||
|
|
||||||
:end
|
|
||||||
@rem End local scope for the variables with windows NT shell
|
|
||||||
if "%ERRORLEVEL%"=="0" goto mainEnd
|
|
||||||
|
|
||||||
:fail
|
|
||||||
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
|
||||||
rem the _cmd.exe /c_ return code!
|
|
||||||
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
|
|
||||||
exit /b 1
|
|
||||||
|
|
||||||
:mainEnd
|
|
||||||
if "%OS%"=="Windows_NT" endlocal
|
|
||||||
|
|
||||||
:omega
|
|
||||||
|
|
@ -1,40 +0,0 @@
|
||||||
plugins {
|
|
||||||
id "com.github.johnrengelman.shadow" version "2.0.4"
|
|
||||||
}
|
|
||||||
|
|
||||||
apply plugin: 'application'
|
|
||||||
apply from: "${rootDir}/gradle/java.gradle"
|
|
||||||
|
|
||||||
version = 'demo'
|
|
||||||
description = 'rest-spark'
|
|
||||||
mainClassName = 'datadog.example.restspark.SparkApplication'
|
|
||||||
applicationDefaultJvmArgs = ["-Ddd.service.name=rest-spark"]
|
|
||||||
|
|
||||||
sourceCompatibility = 1.8
|
|
||||||
targetCompatibility = 1.8
|
|
||||||
|
|
||||||
dependencies {
|
|
||||||
compile project(':dd-trace-ot')
|
|
||||||
|
|
||||||
compile 'com.sparkjava:spark-core:2.6.0'
|
|
||||||
compile 'org.mongodb:mongodb-driver:3.4.2'
|
|
||||||
|
|
||||||
compile deps.opentracing
|
|
||||||
|
|
||||||
compile group: 'ch.qos.logback', name: 'logback-classic', version: '1.2.3'
|
|
||||||
compile group: 'org.slf4j', name: 'slf4j-api', version: '1.7.25'
|
|
||||||
}
|
|
||||||
|
|
||||||
jar {
|
|
||||||
manifest {
|
|
||||||
attributes 'Main-Class': 'datadog.example.restspark.SparkApplication'
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
shadowJar {
|
|
||||||
mergeServiceFiles()
|
|
||||||
}
|
|
||||||
|
|
||||||
task wrapper(type: Wrapper) {
|
|
||||||
gradleVersion = gradleWrapperVersion
|
|
||||||
}
|
|
||||||
|
|
@ -1,14 +0,0 @@
|
||||||
package datadog.example.restspark;
|
|
||||||
|
|
||||||
import com.mongodb.MongoClient;
|
|
||||||
import com.mongodb.MongoClientURI;
|
|
||||||
import com.mongodb.client.MongoDatabase;
|
|
||||||
|
|
||||||
public class MongoDriver {
|
|
||||||
|
|
||||||
public static MongoDatabase getDatabase(final String dbName) {
|
|
||||||
final MongoClientURI connectionString = new MongoClientURI("mongodb://localhost:27017");
|
|
||||||
final MongoClient mongoClient = new MongoClient(connectionString);
|
|
||||||
return mongoClient.getDatabase(dbName);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,64 +0,0 @@
|
||||||
package datadog.example.restspark;
|
|
||||||
|
|
||||||
import static spark.Spark.get;
|
|
||||||
|
|
||||||
import com.mongodb.client.MongoCollection;
|
|
||||||
import com.mongodb.client.MongoDatabase;
|
|
||||||
import io.opentracing.Scope;
|
|
||||||
import io.opentracing.Tracer;
|
|
||||||
import java.util.Arrays;
|
|
||||||
import org.bson.Document;
|
|
||||||
|
|
||||||
public class SparkApplication {
|
|
||||||
private static MongoDatabase mDatabase;
|
|
||||||
private static Tracer mTracer;
|
|
||||||
|
|
||||||
public static void main(final String[] args) {
|
|
||||||
// Get the global tracer
|
|
||||||
mTracer = io.opentracing.util.GlobalTracer.get();
|
|
||||||
|
|
||||||
// initialize the Mongo database
|
|
||||||
mDatabase = MongoDriver.getDatabase("rest_spark");
|
|
||||||
|
|
||||||
// our routes
|
|
||||||
get("/healthz", (req, res) -> "OK!");
|
|
||||||
get(
|
|
||||||
"/key/:id",
|
|
||||||
(req, res) -> {
|
|
||||||
try (Scope scope = mTracer.buildSpan("spark.request").startActive(true)) {
|
|
||||||
final String id = req.params(":id");
|
|
||||||
|
|
||||||
// create a collection
|
|
||||||
final Document doc =
|
|
||||||
new Document("name", "MongoDB")
|
|
||||||
.append("type", "database")
|
|
||||||
.append("identifier", id)
|
|
||||||
.append("versions", Arrays.asList("v3.2", "v3.0", "v2.6"))
|
|
||||||
.append("info", new Document("x", 203).append("y", 102));
|
|
||||||
|
|
||||||
final MongoCollection<Document> collection = mDatabase.getCollection("calls");
|
|
||||||
collection.insertOne(doc);
|
|
||||||
|
|
||||||
// write the count somewhere
|
|
||||||
System.out.println(collection.count());
|
|
||||||
|
|
||||||
// add some metadata to the request Span
|
|
||||||
scope.span().setTag("http.status_code", res.status());
|
|
||||||
scope.span().setTag("http.url", req.url());
|
|
||||||
|
|
||||||
return "Stored!";
|
|
||||||
}
|
|
||||||
});
|
|
||||||
get(
|
|
||||||
"/users/:id",
|
|
||||||
(req, res) -> {
|
|
||||||
try (Scope scope = mTracer.buildSpan("spark.request").startActive(true)) {
|
|
||||||
// this endpoint tests the 404 decorator
|
|
||||||
res.status(404);
|
|
||||||
scope.span().setTag("http.status_code", res.status());
|
|
||||||
scope.span().setTag("http.url", req.url());
|
|
||||||
}
|
|
||||||
return "404";
|
|
||||||
});
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,5 +0,0 @@
|
||||||
logging:
|
|
||||||
level: INFO
|
|
||||||
loggers:
|
|
||||||
"datadog.trace": DEBUG
|
|
||||||
"io.opentracing": DEBUG
|
|
||||||
|
|
@ -1,61 +0,0 @@
|
||||||
## Spring-boot
|
|
||||||
|
|
||||||
This project provides a simple API using [Spring Boot][1]. The framework is supported and auto-instrumentation is used
|
|
||||||
to trace the endpoints.
|
|
||||||
|
|
||||||
[1]: https://projects.spring.io/spring-boot/
|
|
||||||
|
|
||||||
### Run the demo
|
|
||||||
|
|
||||||
#### Prerequisites
|
|
||||||
|
|
||||||
Be sure to build the project so that the latest version of ``dd-trace-java`` components are used. You can build
|
|
||||||
all libraries and examples launching from the ``dd-trace-java`` root folder:
|
|
||||||
```bash
|
|
||||||
./gradlew clean shadowJar bootRepackage
|
|
||||||
```
|
|
||||||
|
|
||||||
Then you can launch the Datadog agent and a Redis instance as follows:
|
|
||||||
```bash
|
|
||||||
cd examples/spring-boot-jdbc-redis
|
|
||||||
DD_API_KEY=<your_datadog_api_key> docker-compose up -d
|
|
||||||
```
|
|
||||||
|
|
||||||
A valid ``DD_API_KEY`` is required to post collected traces to the Datadog backend.
|
|
||||||
|
|
||||||
#### Run the application
|
|
||||||
|
|
||||||
To launch the application, just:
|
|
||||||
```bash
|
|
||||||
./gradlew bootRun
|
|
||||||
```
|
|
||||||
|
|
||||||
*Note: The ``bootRun`` Gradle command appends automatically the ``-javaagent`` argument, so that you don't need to specify
|
|
||||||
the path of the Java Agent. Gradle executes the ``:examples:spring-boot-jdbc-redis:bootRun`` task until you
|
|
||||||
stop it.*
|
|
||||||
|
|
||||||
Or as an executable jar:
|
|
||||||
```bash
|
|
||||||
java -javaagent:../../dd-java-agent/build/libs/dd-java-agent-{version}.jar -Ddd.service.name=spring-boot-jdbc-redis -jar build/libs/spring-boot-jdbc-redis-demo.jar
|
|
||||||
```
|
|
||||||
|
|
||||||
### Generate traces
|
|
||||||
|
|
||||||
Once the Gradle task is running. Go to the following urls:
|
|
||||||
|
|
||||||
* [http://localhost:8080/user/add?name=foo&email=bar](http://localhost:8080/user/add?name=foo&email=bar)
|
|
||||||
* [http://localhost:8080/user/all](http://localhost:8080/user/all)
|
|
||||||
* [http://localhost:8080/user/all](http://localhost:8080/user/random)
|
|
||||||
|
|
||||||
Then get back to Datadog and wait a bit to see a trace coming.
|
|
||||||
|
|
||||||
#### Auto-instrumentation with the `dd-trace-agent`
|
|
||||||
|
|
||||||
The instrumentation is entirely done by the datadog agent which embed a set of rules that automatically recognizes &
|
|
||||||
instruments:
|
|
||||||
|
|
||||||
- The java servlet filters
|
|
||||||
- The JDBC driver
|
|
||||||
- The Jedis Redis client
|
|
||||||
|
|
||||||
The Java Agent embeds the [OpenTracing Java Agent](https://github.com/opentracing-contrib/java-agent).
|
|
||||||
|
|
@ -1,11 +0,0 @@
|
||||||
ddagent:
|
|
||||||
image: datadog/docker-dd-agent
|
|
||||||
environment:
|
|
||||||
- DD_BIND_HOST=0.0.0.0
|
|
||||||
- DD_API_KEY
|
|
||||||
ports:
|
|
||||||
- "127.0.0.1:8126:8126"
|
|
||||||
redis:
|
|
||||||
image: redis
|
|
||||||
ports:
|
|
||||||
- "127.0.0.1:6379:6379"
|
|
||||||
Binary file not shown.
|
|
@ -1,5 +0,0 @@
|
||||||
distributionBase=GRADLE_USER_HOME
|
|
||||||
distributionPath=wrapper/dists
|
|
||||||
distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-bin.zip
|
|
||||||
zipStoreBase=GRADLE_USER_HOME
|
|
||||||
zipStorePath=wrapper/dists
|
|
||||||
|
|
@ -1,172 +0,0 @@
|
||||||
#!/usr/bin/env sh
|
|
||||||
|
|
||||||
##############################################################################
|
|
||||||
##
|
|
||||||
## Gradle start up script for UN*X
|
|
||||||
##
|
|
||||||
##############################################################################
|
|
||||||
|
|
||||||
# Attempt to set APP_HOME
|
|
||||||
# Resolve links: $0 may be a link
|
|
||||||
PRG="$0"
|
|
||||||
# Need this for relative symlinks.
|
|
||||||
while [ -h "$PRG" ] ; do
|
|
||||||
ls=`ls -ld "$PRG"`
|
|
||||||
link=`expr "$ls" : '.*-> \(.*\)$'`
|
|
||||||
if expr "$link" : '/.*' > /dev/null; then
|
|
||||||
PRG="$link"
|
|
||||||
else
|
|
||||||
PRG=`dirname "$PRG"`"/$link"
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
SAVED="`pwd`"
|
|
||||||
cd "`dirname \"$PRG\"`/" >/dev/null
|
|
||||||
APP_HOME="`pwd -P`"
|
|
||||||
cd "$SAVED" >/dev/null
|
|
||||||
|
|
||||||
APP_NAME="Gradle"
|
|
||||||
APP_BASE_NAME=`basename "$0"`
|
|
||||||
|
|
||||||
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
|
||||||
DEFAULT_JVM_OPTS=""
|
|
||||||
|
|
||||||
# Use the maximum available, or set MAX_FD != -1 to use that value.
|
|
||||||
MAX_FD="maximum"
|
|
||||||
|
|
||||||
warn () {
|
|
||||||
echo "$*"
|
|
||||||
}
|
|
||||||
|
|
||||||
die () {
|
|
||||||
echo
|
|
||||||
echo "$*"
|
|
||||||
echo
|
|
||||||
exit 1
|
|
||||||
}
|
|
||||||
|
|
||||||
# OS specific support (must be 'true' or 'false').
|
|
||||||
cygwin=false
|
|
||||||
msys=false
|
|
||||||
darwin=false
|
|
||||||
nonstop=false
|
|
||||||
case "`uname`" in
|
|
||||||
CYGWIN* )
|
|
||||||
cygwin=true
|
|
||||||
;;
|
|
||||||
Darwin* )
|
|
||||||
darwin=true
|
|
||||||
;;
|
|
||||||
MINGW* )
|
|
||||||
msys=true
|
|
||||||
;;
|
|
||||||
NONSTOP* )
|
|
||||||
nonstop=true
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
|
|
||||||
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
|
|
||||||
|
|
||||||
# Determine the Java command to use to start the JVM.
|
|
||||||
if [ -n "$JAVA_HOME" ] ; then
|
|
||||||
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
|
|
||||||
# IBM's JDK on AIX uses strange locations for the executables
|
|
||||||
JAVACMD="$JAVA_HOME/jre/sh/java"
|
|
||||||
else
|
|
||||||
JAVACMD="$JAVA_HOME/bin/java"
|
|
||||||
fi
|
|
||||||
if [ ! -x "$JAVACMD" ] ; then
|
|
||||||
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
|
||||||
|
|
||||||
Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
location of your Java installation."
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
JAVACMD="java"
|
|
||||||
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
|
||||||
|
|
||||||
Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
location of your Java installation."
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Increase the maximum file descriptors if we can.
|
|
||||||
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
|
|
||||||
MAX_FD_LIMIT=`ulimit -H -n`
|
|
||||||
if [ $? -eq 0 ] ; then
|
|
||||||
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
|
|
||||||
MAX_FD="$MAX_FD_LIMIT"
|
|
||||||
fi
|
|
||||||
ulimit -n $MAX_FD
|
|
||||||
if [ $? -ne 0 ] ; then
|
|
||||||
warn "Could not set maximum file descriptor limit: $MAX_FD"
|
|
||||||
fi
|
|
||||||
else
|
|
||||||
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
# For Darwin, add options to specify how the application appears in the dock
|
|
||||||
if $darwin; then
|
|
||||||
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
|
|
||||||
fi
|
|
||||||
|
|
||||||
# For Cygwin, switch paths to Windows format before running java
|
|
||||||
if $cygwin ; then
|
|
||||||
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
|
|
||||||
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
|
|
||||||
JAVACMD=`cygpath --unix "$JAVACMD"`
|
|
||||||
|
|
||||||
# We build the pattern for arguments to be converted via cygpath
|
|
||||||
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
|
|
||||||
SEP=""
|
|
||||||
for dir in $ROOTDIRSRAW ; do
|
|
||||||
ROOTDIRS="$ROOTDIRS$SEP$dir"
|
|
||||||
SEP="|"
|
|
||||||
done
|
|
||||||
OURCYGPATTERN="(^($ROOTDIRS))"
|
|
||||||
# Add a user-defined pattern to the cygpath arguments
|
|
||||||
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
|
|
||||||
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
|
|
||||||
fi
|
|
||||||
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
|
||||||
i=0
|
|
||||||
for arg in "$@" ; do
|
|
||||||
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
|
|
||||||
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
|
|
||||||
|
|
||||||
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
|
|
||||||
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
|
|
||||||
else
|
|
||||||
eval `echo args$i`="\"$arg\""
|
|
||||||
fi
|
|
||||||
i=$((i+1))
|
|
||||||
done
|
|
||||||
case $i in
|
|
||||||
(0) set -- ;;
|
|
||||||
(1) set -- "$args0" ;;
|
|
||||||
(2) set -- "$args0" "$args1" ;;
|
|
||||||
(3) set -- "$args0" "$args1" "$args2" ;;
|
|
||||||
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
|
|
||||||
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
|
|
||||||
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
|
|
||||||
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
|
|
||||||
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
|
|
||||||
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
|
|
||||||
esac
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Escape application args
|
|
||||||
save () {
|
|
||||||
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
|
|
||||||
echo " "
|
|
||||||
}
|
|
||||||
APP_ARGS=$(save "$@")
|
|
||||||
|
|
||||||
# Collect all arguments for the java command, following the shell quoting and substitution rules
|
|
||||||
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
|
|
||||||
|
|
||||||
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
|
|
||||||
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
|
|
||||||
cd "$(dirname "$0")"
|
|
||||||
fi
|
|
||||||
|
|
||||||
exec "$JAVACMD" "$@"
|
|
||||||
|
|
@ -1,84 +0,0 @@
|
||||||
@if "%DEBUG%" == "" @echo off
|
|
||||||
@rem ##########################################################################
|
|
||||||
@rem
|
|
||||||
@rem Gradle startup script for Windows
|
|
||||||
@rem
|
|
||||||
@rem ##########################################################################
|
|
||||||
|
|
||||||
@rem Set local scope for the variables with windows NT shell
|
|
||||||
if "%OS%"=="Windows_NT" setlocal
|
|
||||||
|
|
||||||
set DIRNAME=%~dp0
|
|
||||||
if "%DIRNAME%" == "" set DIRNAME=.
|
|
||||||
set APP_BASE_NAME=%~n0
|
|
||||||
set APP_HOME=%DIRNAME%
|
|
||||||
|
|
||||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
|
||||||
set DEFAULT_JVM_OPTS=
|
|
||||||
|
|
||||||
@rem Find java.exe
|
|
||||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
|
||||||
|
|
||||||
set JAVA_EXE=java.exe
|
|
||||||
%JAVA_EXE% -version >NUL 2>&1
|
|
||||||
if "%ERRORLEVEL%" == "0" goto init
|
|
||||||
|
|
||||||
echo.
|
|
||||||
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
|
||||||
echo.
|
|
||||||
echo Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
echo location of your Java installation.
|
|
||||||
|
|
||||||
goto fail
|
|
||||||
|
|
||||||
:findJavaFromJavaHome
|
|
||||||
set JAVA_HOME=%JAVA_HOME:"=%
|
|
||||||
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
|
||||||
|
|
||||||
if exist "%JAVA_EXE%" goto init
|
|
||||||
|
|
||||||
echo.
|
|
||||||
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
|
|
||||||
echo.
|
|
||||||
echo Please set the JAVA_HOME variable in your environment to match the
|
|
||||||
echo location of your Java installation.
|
|
||||||
|
|
||||||
goto fail
|
|
||||||
|
|
||||||
:init
|
|
||||||
@rem Get command-line arguments, handling Windows variants
|
|
||||||
|
|
||||||
if not "%OS%" == "Windows_NT" goto win9xME_args
|
|
||||||
|
|
||||||
:win9xME_args
|
|
||||||
@rem Slurp the command line arguments.
|
|
||||||
set CMD_LINE_ARGS=
|
|
||||||
set _SKIP=2
|
|
||||||
|
|
||||||
:win9xME_args_slurp
|
|
||||||
if "x%~1" == "x" goto execute
|
|
||||||
|
|
||||||
set CMD_LINE_ARGS=%*
|
|
||||||
|
|
||||||
:execute
|
|
||||||
@rem Setup the command line
|
|
||||||
|
|
||||||
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
|
||||||
|
|
||||||
@rem Execute Gradle
|
|
||||||
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
|
|
||||||
|
|
||||||
:end
|
|
||||||
@rem End local scope for the variables with windows NT shell
|
|
||||||
if "%ERRORLEVEL%"=="0" goto mainEnd
|
|
||||||
|
|
||||||
:fail
|
|
||||||
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
|
||||||
rem the _cmd.exe /c_ return code!
|
|
||||||
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
|
|
||||||
exit /b 1
|
|
||||||
|
|
||||||
:mainEnd
|
|
||||||
if "%OS%"=="Windows_NT" endlocal
|
|
||||||
|
|
||||||
:omega
|
|
||||||
|
|
@ -1,34 +0,0 @@
|
||||||
plugins {
|
|
||||||
id 'org.springframework.boot' version '1.5.10.RELEASE'
|
|
||||||
}
|
|
||||||
|
|
||||||
apply from: "${rootDir}/gradle/java.gradle"
|
|
||||||
|
|
||||||
version = 'demo'
|
|
||||||
description = 'spring-boot-jdbc-redis'
|
|
||||||
|
|
||||||
dependencies {
|
|
||||||
compile group: 'org.apache.httpcomponents', name: 'httpclient', version: '4.5.3'
|
|
||||||
|
|
||||||
compile group: 'com.h2database', name: 'h2', version: '1.4.196'
|
|
||||||
compile group: 'org.springframework.boot', name: 'spring-boot-starter-web', version: '1.5.10.RELEASE'
|
|
||||||
compile group: 'org.springframework.boot', name: 'spring-boot-starter-data-jpa', version: '1.5.10.RELEASE'
|
|
||||||
compile group: 'org.springframework.boot', name: 'spring-boot-starter-data-redis', version: '1.5.10.RELEASE'
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
bootRepackage {
|
|
||||||
mainClass = 'datadog.examples.Application'
|
|
||||||
}
|
|
||||||
|
|
||||||
bootRun {
|
|
||||||
if (project.hasProperty('javaagent')) {
|
|
||||||
jvmArgs = ["-javaagent:$javaagent", "-Ddd.service.name=spring-boot-jdbc-redis"]
|
|
||||||
} else {
|
|
||||||
jvmArgs = ["-javaagent:${project(':dd-java-agent').tasks.shadowJar.outputs.files.getFiles().iterator().next()}", "-Ddd.service.name=spring-boot-jdbc-redis"]
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
task wrapper(type: Wrapper) {
|
|
||||||
gradleVersion = gradleWrapperVersion
|
|
||||||
}
|
|
||||||
|
|
@ -1,12 +0,0 @@
|
||||||
package datadog.examples;
|
|
||||||
|
|
||||||
import org.springframework.boot.SpringApplication;
|
|
||||||
import org.springframework.boot.autoconfigure.SpringBootApplication;
|
|
||||||
|
|
||||||
@SpringBootApplication
|
|
||||||
public class Application {
|
|
||||||
|
|
||||||
public static void main(final String[] args) {
|
|
||||||
SpringApplication.run(Application.class, args);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,17 +0,0 @@
|
||||||
package datadog.examples;
|
|
||||||
|
|
||||||
import org.apache.http.impl.client.HttpClientBuilder;
|
|
||||||
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
|
|
||||||
import org.springframework.context.annotation.Bean;
|
|
||||||
import org.springframework.context.annotation.Configuration;
|
|
||||||
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
|
|
||||||
|
|
||||||
@Configuration
|
|
||||||
@EnableAutoConfiguration
|
|
||||||
public class ApplicationConfig extends WebMvcConfigurerAdapter {
|
|
||||||
|
|
||||||
@Bean
|
|
||||||
public HttpClientBuilder getHttpClientBuilder() {
|
|
||||||
return HttpClientBuilder.create();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,42 +0,0 @@
|
||||||
package datadog.examples.entities;
|
|
||||||
|
|
||||||
import javax.persistence.Entity;
|
|
||||||
import javax.persistence.GeneratedValue;
|
|
||||||
import javax.persistence.GenerationType;
|
|
||||||
import javax.persistence.Id;
|
|
||||||
|
|
||||||
@Entity // This tells Hibernate to make a table out of this class
|
|
||||||
public class User {
|
|
||||||
|
|
||||||
@Id
|
|
||||||
@GeneratedValue(strategy = GenerationType.AUTO)
|
|
||||||
private Integer id;
|
|
||||||
|
|
||||||
private String name;
|
|
||||||
|
|
||||||
private String email;
|
|
||||||
|
|
||||||
public Integer getId() {
|
|
||||||
return id;
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setId(final Integer id) {
|
|
||||||
this.id = id;
|
|
||||||
}
|
|
||||||
|
|
||||||
public String getName() {
|
|
||||||
return name;
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setName(final String name) {
|
|
||||||
this.name = name;
|
|
||||||
}
|
|
||||||
|
|
||||||
public String getEmail() {
|
|
||||||
return email;
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setEmail(final String email) {
|
|
||||||
this.email = email;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,8 +0,0 @@
|
||||||
package datadog.examples.entities;
|
|
||||||
|
|
||||||
import org.springframework.data.repository.CrudRepository;
|
|
||||||
|
|
||||||
// This will be AUTO IMPLEMENTED by Spring into a Bean called userRepository
|
|
||||||
// CRUD refers Create, Read, Update, Delete
|
|
||||||
|
|
||||||
public interface UserRepository extends CrudRepository<User, Integer> {}
|
|
||||||
|
|
@ -1,67 +0,0 @@
|
||||||
package datadog.examples.resources;
|
|
||||||
|
|
||||||
import datadog.examples.entities.User;
|
|
||||||
import datadog.examples.entities.UserRepository;
|
|
||||||
import org.springframework.beans.factory.annotation.Autowired;
|
|
||||||
import org.springframework.data.redis.core.StringRedisTemplate;
|
|
||||||
import org.springframework.data.redis.core.ValueOperations;
|
|
||||||
import org.springframework.stereotype.Controller;
|
|
||||||
import org.springframework.web.bind.annotation.GetMapping;
|
|
||||||
import org.springframework.web.bind.annotation.RequestMapping;
|
|
||||||
import org.springframework.web.bind.annotation.RequestParam;
|
|
||||||
import org.springframework.web.bind.annotation.ResponseBody;
|
|
||||||
|
|
||||||
@Controller // This means that this class is a Controller
|
|
||||||
@RequestMapping(path = "/user") // This means URL's start with /demo (after Application path)
|
|
||||||
public class DBResource {
|
|
||||||
|
|
||||||
@Autowired // This means to get the bean called userRepository
|
|
||||||
// Which is auto-generated by Spring, we will use it to handle the data
|
|
||||||
private UserRepository userRepository;
|
|
||||||
|
|
||||||
private ValueOperations<String, String> ops;
|
|
||||||
|
|
||||||
public DBResource(@Autowired StringRedisTemplate template) {
|
|
||||||
this.ops = template.opsForValue();
|
|
||||||
}
|
|
||||||
|
|
||||||
@GetMapping(path = "/add") // Map ONLY GET Requests
|
|
||||||
public @ResponseBody String addNewUser(
|
|
||||||
@RequestParam final String name, @RequestParam final String email) {
|
|
||||||
|
|
||||||
// @ResponseBody means the returned String is the response, not a view name
|
|
||||||
// @RequestParam means it is a parameter from the GET or POST request
|
|
||||||
|
|
||||||
final User n = new User();
|
|
||||||
n.setName(name);
|
|
||||||
n.setEmail(email);
|
|
||||||
userRepository.save(n);
|
|
||||||
|
|
||||||
// Also save to redis as key/value
|
|
||||||
ops.set(name, email);
|
|
||||||
|
|
||||||
return "Saved";
|
|
||||||
}
|
|
||||||
|
|
||||||
@GetMapping(path = "/all")
|
|
||||||
public @ResponseBody Iterable<User> getAllUsers() {
|
|
||||||
// This returns a JSON or XML with the users
|
|
||||||
return userRepository.findAll();
|
|
||||||
}
|
|
||||||
|
|
||||||
@GetMapping(path = "/get")
|
|
||||||
public @ResponseBody User getUser(@RequestParam final int id) {
|
|
||||||
// This returns a JSON or XML with the user
|
|
||||||
return userRepository.findOne(id);
|
|
||||||
}
|
|
||||||
|
|
||||||
@GetMapping(path = "/getredis")
|
|
||||||
public @ResponseBody String getUserRedis(@RequestParam final String name) {
|
|
||||||
return ops.get(name);
|
|
||||||
}
|
|
||||||
|
|
||||||
@GetMapping(path = "/random")
|
|
||||||
public @ResponseBody String flushRedis() {
|
|
||||||
return ops.getOperations().randomKey();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,29 +0,0 @@
|
||||||
package datadog.examples.resources;
|
|
||||||
|
|
||||||
import org.springframework.web.bind.annotation.RequestMapping;
|
|
||||||
import org.springframework.web.bind.annotation.RequestMethod;
|
|
||||||
import org.springframework.web.bind.annotation.RestController;
|
|
||||||
|
|
||||||
@RestController
|
|
||||||
@RequestMapping("/")
|
|
||||||
public class HomeResource {
|
|
||||||
|
|
||||||
@RequestMapping(method = RequestMethod.GET)
|
|
||||||
public String test() {
|
|
||||||
|
|
||||||
final StringBuilder template = new StringBuilder();
|
|
||||||
|
|
||||||
template.append("Demo links");
|
|
||||||
template.append("<ul>");
|
|
||||||
template.append(
|
|
||||||
"<li><a href=\"/user/add?name=unnamed&email=unnamed@example.com\">Add a user</a></li>");
|
|
||||||
template.append("<li><a href=\"/user/all\">List all users</a></li>");
|
|
||||||
template.append("<li><a href=\"/user/get?id=1\">Get user with id=1</a></li>");
|
|
||||||
template.append(
|
|
||||||
"<li><a href=\"/user/getredis?name=unnamed\">Get user with name=unnamed</a></li>");
|
|
||||||
template.append("<li><a href=\"/user/random\">Get a random user's name</a></li>");
|
|
||||||
template.append("</ul>");
|
|
||||||
|
|
||||||
return template.toString();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,7 +0,0 @@
|
||||||
# you must set the following so that OpenTracing traced driver is used
|
|
||||||
spring.datasource.driver-class-name=org.h2.Driver
|
|
||||||
spring.datasource.url=jdbc:h2:mem:spring-test;DB_CLOSE_ON_EXIT=FALSE
|
|
||||||
|
|
||||||
# set the logging level
|
|
||||||
logging.level.root=INFO
|
|
||||||
logging.level.datadog.trace=DEBUG
|
|
||||||
|
|
@ -49,11 +49,6 @@ include ':dd-java-agent:benchmark'
|
||||||
include ':dd-java-agent:benchmark-integration'
|
include ':dd-java-agent:benchmark-integration'
|
||||||
include ':dd-java-agent:benchmark-integration:jetty-perftest'
|
include ':dd-java-agent:benchmark-integration:jetty-perftest'
|
||||||
|
|
||||||
// examples
|
|
||||||
include ':examples:dropwizard-mongo-client'
|
|
||||||
include ':examples:spring-boot-jdbc-redis'
|
|
||||||
include ':examples:rest-spark'
|
|
||||||
|
|
||||||
def setBuildFile(project) {
|
def setBuildFile(project) {
|
||||||
project.buildFileName = "${project.name}.gradle"
|
project.buildFileName = "${project.name}.gradle"
|
||||||
project.children.each {
|
project.children.each {
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue