diff options
Diffstat (limited to 'src/fraud-detection')
| -rw-r--r-- | src/fraud-detection/.dockerignore | 1 | ||||
| -rw-r--r-- | src/fraud-detection/Dockerfile | 26 | ||||
| -rw-r--r-- | src/fraud-detection/README.md | 21 | ||||
| -rw-r--r-- | src/fraud-detection/build.gradle.kts | 101 | ||||
| -rw-r--r-- | src/fraud-detection/gradle.properties | 1 | ||||
| -rw-r--r-- | src/fraud-detection/gradle/wrapper/gradle-wrapper.jar | bin | 0 -> 63721 bytes | |||
| -rw-r--r-- | src/fraud-detection/gradle/wrapper/gradle-wrapper.properties | 7 | ||||
| -rwxr-xr-x | src/fraud-detection/gradlew | 249 | ||||
| -rw-r--r-- | src/fraud-detection/gradlew.bat | 92 | ||||
| -rw-r--r-- | src/fraud-detection/settings.gradle.kts | 3 | ||||
| -rw-r--r-- | src/fraud-detection/src/main/kotlin/frauddetection/main.kt | 88 | ||||
| -rw-r--r-- | src/fraud-detection/src/main/resources/log4j2.xml | 18 |
12 files changed, 607 insertions, 0 deletions
diff --git a/src/fraud-detection/.dockerignore b/src/fraud-detection/.dockerignore new file mode 100644 index 0000000..1d1fe94 --- /dev/null +++ b/src/fraud-detection/.dockerignore @@ -0,0 +1 @@ +Dockerfile
\ No newline at end of file diff --git a/src/fraud-detection/Dockerfile b/src/fraud-detection/Dockerfile new file mode 100644 index 0000000..60ed4b4 --- /dev/null +++ b/src/fraud-detection/Dockerfile @@ -0,0 +1,26 @@ +# Copyright The OpenTelemetry Authors +# SPDX-License-Identifier: Apache-2.0 + + +FROM --platform=${BUILDPLATFORM} gradle:8-jdk17 AS builder + +WORKDIR /usr/src/app/ + +COPY ./src/fraud-detection/ ./ +COPY ./pb/ ./src/main/proto/ + +RUN gradle shadowJar + +# ----------------------------------------------------------------------------- + +FROM gcr.io/distroless/java17-debian12:nonroot + +ARG OTEL_JAVA_AGENT_VERSION +WORKDIR /usr/src/app/ + +ADD --chmod=644 https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$OTEL_JAVA_AGENT_VERSION/opentelemetry-javaagent.jar /usr/src/app/opentelemetry-javaagent.jar +ENV JAVA_TOOL_OPTIONS=-javaagent:/usr/src/app/opentelemetry-javaagent.jar + +COPY --from=builder /usr/src/app/build/libs/fraud-detection-1.0-all.jar fraud-detection-1.0-all.jar + +ENTRYPOINT [ "java", "-jar", "fraud-detection-1.0-all.jar" ] diff --git a/src/fraud-detection/README.md b/src/fraud-detection/README.md new file mode 100644 index 0000000..c844776 --- /dev/null +++ b/src/fraud-detection/README.md @@ -0,0 +1,21 @@ +# Fraud Detection Service + +This service receives new orders by a Kafka topic and returns cases which are +suspected of fraud. + +## Local Build + +To build the protos and the service binary, run from the repo root: + +```sh +cp -r ../../pb/ src/main/proto/ +./gradlew shadowJar +``` + +## Docker Build + +To build using Docker run from the repo root: + +```sh +docker build -f ./src/fraud-detection/Dockerfile . +``` diff --git a/src/fraud-detection/build.gradle.kts b/src/fraud-detection/build.gradle.kts new file mode 100644 index 0000000..6c94e62 --- /dev/null +++ b/src/fraud-detection/build.gradle.kts @@ -0,0 +1,101 @@ + +import org.jetbrains.kotlin.gradle.tasks.KotlinCompile +import com.google.protobuf.gradle.* +import org.jetbrains.kotlin.gradle.dsl.JvmTarget + +plugins { + kotlin("jvm") version "2.2.20" + application + id("java") + id("idea") + id("com.google.protobuf") version "0.9.5" + id("com.github.johnrengelman.shadow") version "8.1.1" +} + +group = "io.opentelemetry" +version = "1.0" + + +val grpcVersion = "1.75.0" +val protobufVersion = "4.32.1" + + +repositories { + mavenCentral() + gradlePluginPortal() +} + + + +dependencies { + implementation("com.google.protobuf:protobuf-java:${protobufVersion}") + testImplementation(kotlin("test")) + implementation(kotlin("script-runtime")) + implementation("org.apache.kafka:kafka-clients:4.1.0") + implementation("com.google.api.grpc:proto-google-common-protos:2.61.2") + implementation("io.grpc:grpc-protobuf:${grpcVersion}") + implementation("io.grpc:grpc-stub:${grpcVersion}") + implementation("io.grpc:grpc-netty:${grpcVersion}") + implementation("io.grpc:grpc-services:${grpcVersion}") + implementation("io.opentelemetry:opentelemetry-api:1.54.1") + implementation("io.opentelemetry:opentelemetry-sdk:1.54.1") + implementation("io.opentelemetry:opentelemetry-extension-annotations:1.18.0") + implementation("org.apache.logging.log4j:log4j-core:2.25.2") + implementation("org.slf4j:slf4j-api:2.0.17") + implementation("com.google.protobuf:protobuf-kotlin:${protobufVersion}") + implementation("dev.openfeature:sdk:1.18.1") + implementation("dev.openfeature.contrib.providers:flagd:0.11.15") + + if (JavaVersion.current().isJava9Compatible) { + // Workaround for @javax.annotation.Generated + // see: https://github.com/grpc/grpc-java/issues/3633 + implementation("javax.annotation:javax.annotation-api:1.3.2") + } +} + +tasks { + shadowJar { + mergeServiceFiles() + } +} + +tasks.test { + useJUnitPlatform() +} + +kotlin { + compilerOptions { + jvmTarget.set(JvmTarget.JVM_17) + } +} + +protobuf { + protoc { + artifact = "com.google.protobuf:protoc:${protobufVersion}" + } + plugins { + + id("grpc") { + artifact = "io.grpc:protoc-gen-grpc-java:${grpcVersion}" + } + } + generateProtoTasks { + ofSourceSet("main").forEach { + it.plugins { + // Apply the "grpc" plugin whose spec is defined above, without + // options. Note the braces cannot be omitted, otherwise the + // plugin will not be added. This is because of the implicit way + // NamedDomainObjectContainer binds the methods. + id("grpc") { } + } + } + } +} + +application { + mainClass.set("frauddetection.MainKt") +} + +tasks.jar { + manifest.attributes["Main-Class"] = "frauddetection.MainKt" +} diff --git a/src/fraud-detection/gradle.properties b/src/fraud-detection/gradle.properties new file mode 100644 index 0000000..7fc6f1f --- /dev/null +++ b/src/fraud-detection/gradle.properties @@ -0,0 +1 @@ +kotlin.code.style=official diff --git a/src/fraud-detection/gradle/wrapper/gradle-wrapper.jar b/src/fraud-detection/gradle/wrapper/gradle-wrapper.jar Binary files differnew file mode 100644 index 0000000..7f93135 --- /dev/null +++ b/src/fraud-detection/gradle/wrapper/gradle-wrapper.jar diff --git a/src/fraud-detection/gradle/wrapper/gradle-wrapper.properties b/src/fraud-detection/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..e18bc25 --- /dev/null +++ b/src/fraud-detection/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.12.1-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/src/fraud-detection/gradlew b/src/fraud-detection/gradlew new file mode 100755 index 0000000..1aa94a4 --- /dev/null +++ b/src/fraud-detection/gradlew @@ -0,0 +1,249 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | 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: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/src/fraud-detection/gradlew.bat b/src/fraud-detection/gradlew.bat new file mode 100644 index 0000000..93e3f59 --- /dev/null +++ b/src/fraud-detection/gradlew.bat @@ -0,0 +1,92 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem + +@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=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@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="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +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 execute + +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 + +: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 %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 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! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/src/fraud-detection/settings.gradle.kts b/src/fraud-detection/settings.gradle.kts new file mode 100644 index 0000000..d9c4193 --- /dev/null +++ b/src/fraud-detection/settings.gradle.kts @@ -0,0 +1,3 @@ + +rootProject.name = "fraud-detection" + diff --git a/src/fraud-detection/src/main/kotlin/frauddetection/main.kt b/src/fraud-detection/src/main/kotlin/frauddetection/main.kt new file mode 100644 index 0000000..bcb480a --- /dev/null +++ b/src/fraud-detection/src/main/kotlin/frauddetection/main.kt @@ -0,0 +1,88 @@ +/* + * Copyright The OpenTelemetry Authors + * SPDX-License-Identifier: Apache-2.0 + */ + +package frauddetection + +import org.apache.kafka.clients.consumer.ConsumerConfig.* +import org.apache.kafka.clients.consumer.KafkaConsumer +import org.apache.kafka.common.serialization.ByteArrayDeserializer +import org.apache.kafka.common.serialization.StringDeserializer +import org.apache.logging.log4j.LogManager +import org.apache.logging.log4j.Logger +import oteldemo.Demo.* +import java.time.Duration.ofMillis +import java.util.* +import kotlin.system.exitProcess +import dev.openfeature.contrib.providers.flagd.FlagdOptions +import dev.openfeature.contrib.providers.flagd.FlagdProvider +import dev.openfeature.sdk.Client +import dev.openfeature.sdk.EvaluationContext +import dev.openfeature.sdk.ImmutableContext +import dev.openfeature.sdk.Value +import dev.openfeature.sdk.OpenFeatureAPI + +const val topic = "orders" +const val groupID = "fraud-detection" + +private val logger: Logger = LogManager.getLogger(groupID) + +fun main() { + val options = FlagdOptions.builder() + .withGlobalTelemetry(true) + .build() + val flagdProvider = FlagdProvider(options) + OpenFeatureAPI.getInstance().setProvider(flagdProvider) + + val props = Properties() + props[KEY_DESERIALIZER_CLASS_CONFIG] = StringDeserializer::class.java.name + props[VALUE_DESERIALIZER_CLASS_CONFIG] = ByteArrayDeserializer::class.java.name + props[GROUP_ID_CONFIG] = groupID + val bootstrapServers = System.getenv("KAFKA_ADDR") + if (bootstrapServers == null) { + println("KAFKA_ADDR is not supplied") + exitProcess(1) + } + props[BOOTSTRAP_SERVERS_CONFIG] = bootstrapServers + val consumer = KafkaConsumer<String, ByteArray>(props).apply { + subscribe(listOf(topic)) + } + + var totalCount = 0L + + consumer.use { + while (true) { + totalCount = consumer + .poll(ofMillis(100)) + .fold(totalCount) { accumulator, record -> + val newCount = accumulator + 1 + if (getFeatureFlagValue("kafkaQueueProblems") > 0) { + logger.info("FeatureFlag 'kafkaQueueProblems' is enabled, sleeping 1 second") + Thread.sleep(1000) + } + val orders = OrderResult.parseFrom(record.value()) + logger.info("Consumed record with orderId: ${orders.orderId}, and updated total count to: $newCount") + newCount + } + } + } +} + +/** +* Retrieves the status of a feature flag from the Feature Flag service. +* +* @param ff The name of the feature flag to retrieve. +* @return `true` if the feature flag is enabled, `false` otherwise or in case of errors. +*/ +fun getFeatureFlagValue(ff: String): Int { + val client = OpenFeatureAPI.getInstance().client + // TODO: Plumb the actual session ID from the frontend via baggage? + val uuid = UUID.randomUUID() + + val clientAttrs = mutableMapOf<String, Value>() + clientAttrs["session"] = Value(uuid.toString()) + client.evaluationContext = ImmutableContext(clientAttrs) + val intValue = client.getIntegerValue(ff, 0) + return intValue +} diff --git a/src/fraud-detection/src/main/resources/log4j2.xml b/src/fraud-detection/src/main/resources/log4j2.xml new file mode 100644 index 0000000..db5cb39 --- /dev/null +++ b/src/fraud-detection/src/main/resources/log4j2.xml @@ -0,0 +1,18 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- +Copyright The OpenTelemetry Authors +SPDX-License-Identifier: Apache-2.0 +--> + +<Configuration status="WARN"> + <Appenders> + <Console name="STDOUT" target="SYSTEM_OUT"> + <PatternLayout pattern="%d{yyyy-MM-dd HH:mm:ss} - %logger{36} - %msg trace_id=%X{trace_id} span_id=%X{span_id} trace_flags=%X{trace_flags} %n"/> + </Console> + </Appenders> + <Loggers> + <Root level="INFO"> + <AppenderRef ref="STDOUT"/> + </Root> + </Loggers> +</Configuration> |