repalced opentelemetry java agent with springboot actuator, logback loki appender & spring boot tempo

Author: harshaghanta

src/Services/Webhooks/webhooks-api/Dockerfile

@@ -44,15 +44,14 @@ RUN mvn -f /src/Services/Webhooks/webhooks-api/pom.xml -s /src/settings.xml pack
 FROM base AS final
 WORKDIR /app
 COPY --from=build /src/Services/Webhooks/webhooks-api/target/webhooks-api.jar ./webhooks-api.jar
-COPY --from=build /src/Services/Webhooks/webhooks-api/target/opentelemetry-javaagent.jar ./opentelemetry-javaagent.jar
 
 # CMD tail -f /dev/null
 
 ## ADDED SLEEP FOR 60 SECONDS TO WAIT FOR DB SERVER TO BE UP. with out sh sleep is failing
 # ENTRYPOINT ["sh", "-c", "sleep 60 && java -jar webhooks-api.jar"]
 # ENTRYPOINT sleep 60 && java -jar webhooks-api.jar
 # Sleep not working . Giving error during startup 
-ENTRYPOINT ["java", "-javaagent:./opentelemetry-javaagent.jar", "-Dspring.profiles.active=dev", "-jar", "webhooks-api.jar"]
+ENTRYPOINT ["java", "-Dspring.profiles.active=dev", "-jar", "webhooks-api.jar"]
 
 
 

src/Services/Webhooks/webhooks-api/pom.xml

@@ -25,27 +25,6 @@
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-webflux</artifactId>
 		</dependency>
-		<dependency>
-			<groupId>io.opentelemetry.javaagent</groupId>
-			<artifactId>opentelemetry-javaagent</artifactId>
-		</dependency>
-
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-			<scope>runtime</scope>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>org.projectlombok</groupId>
-			<artifactId>lombok</artifactId>
-			<optional>true</optional>
-		</dependency>
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-starter-test</artifactId>
-			<scope>test</scope>
-		</dependency>
 
 		<dependency>
 			<groupId>org.springframework.boot</groupId>

src/Services/Webhooks/webhooks-api/src/main/java/com/eshoponcontainers/webhooksapi/config/SecurityConfig.java

@@ -29,6 +29,7 @@ public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Excepti
 		http
 				.authorizeHttpRequests((authorize) -> authorize
 						.requestMatchers(HttpMethod.OPTIONS).permitAll()
+						.requestMatchers("/actuator/**").permitAll()
 						.anyRequest().authenticated())
 				.sessionManagement(c -> c.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
 				.oauth2ResourceServer((oauth2) -> oauth2

src/Services/Webhooks/webhooks-api/src/main/resources/application.yml

@@ -1,5 +1,39 @@
-spring.profiles.active: dev
-spring.application.name: webhooks-api
+spring:
+  application:
+    name: webhooks-api
+  profiles:
+    active:
+    - dev
+
+#enable management endpoints
+management:
+  metrics:
+    distribution:
+      percentiles-histogram:
+        http:
+          server: 
+            requests: true
+  tracing:
+    sampling:
+      probability: 1.0
+        
+  endpoints:
+    web:
+      exposure:
+        include: "*"
+  endpoint:
+    health:
+      show-details: always
+
+  prometheus:
+    metrics:
+      export:
+        enabled: true
+
+  zipkin:
+    tracing:
+      endpoint: http://tempo:9411/api/v2/spans
+
 
 logging:
   level:

src/Services/Webhooks/webhooks-api/src/main/resources/logback-spring.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <include resource="org/springframework/boot/logging/logback/base.xml" />
+    <springProperty scope="context" name="appName" source="spring.application.name" />
+    
+    <appender name="LOKI" class="com.github.loki4j.logback.Loki4jAppender">
+        <http>
+            <url>http://loki:3100/loki/api/v1/push</url>
+        </http>
+        <format>
+            <label>
+                <pattern>application=${appName},host=${HOSTNAME},level=%level</pattern>
+            </label>
+            <message>
+                <pattern>${FILE_LOG_PATTERN}</pattern>
+            </message>
+            <sortByTime>true</sortByTime>
+        </format>
+    </appender>
+
+    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>${CONSOLE_LOG_PATTERN}</pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">        
+        <appender-ref ref="LOKI" />
+        <appender-ref ref="CONSOLE" />
+    </root>
+</configuration>
+        

src/docker-compose.override.yml

@@ -20,5 +20,8 @@ services:
   ordering-backgroundtasks:
     environment:
       SERVER_SERVLET_CONTEXT_PATH: "/ordering-backgroundtasks"
+  webhooks-api:
+    environment:
+      SERVER_SERVLET_CONTEXT_PATH: "/webhooks-api"
 
 

src/docker-compose.yml

@@ -200,15 +200,15 @@ services:
     image: ${REGISTRY:-springeshop}/webhooksapi:latest
     env_file:
     - .env
-    environment:
-      OTEL_TRACES_EXPORTER: "jaeger"
-      OTEL_SERVICE_NAME: "webhooks-api"
-      OTEL_EXPORTER_JAEGER_ENDPOINT: "http://jaeger:14250"
-      OTEL_METRICS_EXPORTER: "prometheus"
-      OTEL_EXPORTER_PROMETHEUS_HOST: "0.0.0.0"
-      OTEL_EXPORTER_PROMETHEUS_PORT: "9464"
-      OTEL_LOGS_EXPORTER: "otlp"
-      OTEL_EXPORTER_OTLP_LOGS_ENDPOINT: "http://collector:4317"
+    # environment:
+    #   OTEL_TRACES_EXPORTER: "jaeger"
+    #   OTEL_SERVICE_NAME: "webhooks-api"
+    #   OTEL_EXPORTER_JAEGER_ENDPOINT: "http://jaeger:14250"
+    #   OTEL_METRICS_EXPORTER: "prometheus"
+    #   OTEL_EXPORTER_PROMETHEUS_HOST: "0.0.0.0"
+    #   OTEL_EXPORTER_PROMETHEUS_PORT: "9464"
+    #   OTEL_LOGS_EXPORTER: "otlp"
+    #   OTEL_EXPORTER_OTLP_LOGS_ENDPOINT: "http://collector:4317"
     depends_on:
       db:
         condition: service_healthy