Add OpenTelemetry support

api.http

@@ -17,7 +17,7 @@ Content-Type: application/json
 }
 
 > {%
-    client.global.set("token", response.body.user.token)
+    client.global.set("token", response.body.user?.token)
 %}
 
 ###
@@ -34,7 +34,7 @@ Content-Type: application/json
 }
 
 > {%
-    client.global.set("token", response.body.user.token)
+    client.global.set("token", response.body.user?.token)
 %}
 
 ###
@@ -50,7 +50,7 @@ Content-Type: application/json
 }
 
 > {%
-    client.global.set("token", response.body.user.token)
+    client.global.set("token", response.body.user?.token)
 %}
 
 ###
@@ -117,7 +117,7 @@ Content-Type: application/json
 }
 
 > {%
-    client.global.set("article_slug", response.body.article.slug)
+    client.global.set("article_slug", response.body.article?.slug)
 %}
 
 ###

gradle/libs.versions.toml

@@ -12,6 +12,7 @@ mapstruct-springAnnotations = { group = "org.mapstruct.extensions.spring", name
 mapstruct-springExtensions = { group = "org.mapstruct.extensions.spring", name = "mapstruct-spring-extensions", version.ref = "mapstruct-spring" }
 springBootDependencies = { group = "org.springframework.boot", name = "spring-boot-dependencies", version.ref = "springBoot" }
 springdoc-openapiStarterWebmvcUi = { group = "org.springdoc", name = "springdoc-openapi-starter-webmvc-ui", version = "3.0.1" }
+opentelemetryInstrumentationDependencies = { group = "io.opentelemetry.instrumentation", name = "opentelemetry-instrumentation-bom-alpha", version = "2.24.0-alpha" }
 
 [plugins]
 graalvm = { id = "org.graalvm.buildtools.native", version = "0.11.3" }

service/build.gradle.kts

@@ -20,13 +20,15 @@ dependencies {
     implementation(project(":service-bus"))
     implementation(project(":service-api"))
 
+    implementation(libs.instrumentation.opentelemetryLogbackAppender10)
     implementation(libs.mapstruct.core)
     implementation(libs.mapstruct.springAnnotations)
     implementation(libs.mapstruct.springExtensions)
     implementation(libs.spring.springBootStarterActuator)
     implementation(libs.spring.springBootStarterDataJdbc)
     implementation(libs.spring.springBootStarterLiquibase)
     implementation(libs.spring.springBootStarterOauth2ResourceServer)
+    implementation(libs.spring.springBootStarterOpentelemetry)
     implementation(libs.spring.springBootStarterSecurity)
     implementation(libs.spring.springBootStarterValidation)
     implementation(libs.spring.springBootStarterWebmvc)

service/src/main/java/com/github/al/realworld/infrastructure/config/OtelConfig.java

@@ -0,0 +1,54 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) 2020 - present Alexey Lapin
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package com.github.al.realworld.infrastructure.config;
+
+import io.opentelemetry.api.OpenTelemetry;
+import io.opentelemetry.instrumentation.logback.appender.v1_0.OpenTelemetryAppender;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration(proxyBeanMethods = false)
+public class OtelConfig {
+
+    @Bean
+    InstallOpenTelemetryAppender installOpenTelemetryAppender(OpenTelemetry openTelemetry) {
+        return new InstallOpenTelemetryAppender(openTelemetry);
+    }
+
+    static class InstallOpenTelemetryAppender implements InitializingBean {
+
+        private final OpenTelemetry openTelemetry;
+
+        InstallOpenTelemetryAppender(OpenTelemetry openTelemetry) {
+            this.openTelemetry = openTelemetry;
+        }
+
+        @Override
+        public void afterPropertiesSet() {
+            OpenTelemetryAppender.install(this.openTelemetry);
+        }
+    }
+
+}

service/src/main/resources/logback-spring.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <include resource="org/springframework/boot/logging/logback/base.xml"/>
+
+    <appender name="OTEL" class="io.opentelemetry.instrumentation.logback.appender.v1_0.OpenTelemetryAppender"/>
+
+    <root level="INFO">
+        <appender-ref ref="CONSOLE"/>
+        <appender-ref ref="OTEL"/>
+    </root>
+</configuration>

settings.gradle.kts

@@ -18,6 +18,7 @@ dependencyResolutionManagement {
     versionCatalogs {
         generate("libs") {
             fromToml("springBootDependencies")
+            fromToml("opentelemetryInstrumentationDependencies")
         }
     }
 }