Add kafka/{zookeeper,producer,consumer}

.gitlab-ci.yml

@@ -129,10 +129,19 @@ build-ci-image-kafka:
     DOCKERFILE: src/kafka/Dockerfile
     IMAGE_TAG_SUFFIX: kafka
     CONTEXT: .
+build-ci-image-orderproducer:
+  !!merge <<: *build-ci-image
+  variables:
+    DOCKERFILE: src/orderproducerservice/Dockerfile
+    IMAGE_TAG_SUFFIX: orderproducer
+    CONTEXT: .
 .prod-deploy: &prod-deploy
   stage: prod-deploy
   tags: ["runner:docker", "size:large"]
   image: $CI_IMAGE
+  rules:
+    - if: '$CI_COMMIT_REF_NAME == "prod"'
+    - if: '$CI_COMMIT_REF_NAME =~ /-staging$/'
   script:
     # # For debugging
     #- aws sts get-caller-identity

ci/datadog-agent-values.yaml

@@ -1,4 +1,11 @@
+agents:
+  image:
+    tagSuffix: jmx
 datadog:
+  logs:
+    enabled: true
+  tags:
+    - "env:otel-ingest"
   otlp:
     receiver:
       protocols:

ci/scripts/ci-deploy-demo.sh

@@ -18,14 +18,20 @@ install_demo() {
   # Set the namespace and release name
   release_name="opentelemetry-demo"
 
+  # Deploy zookeeper which is not a default component.
+  kubectl apply -f ./src/zookeeperservice/deployment.yaml -n "${namespace}"
+
   # if repo already exists, helm 3+ will skip
   helm --debug repo add open-telemetry https://open-telemetry.github.io/opentelemetry-helm-charts
 
   # --install will run `helm install` if not already present.
   helm --debug upgrade "${release_name}" -n "${namespace}" open-telemetry/opentelemetry-demo --install \
     -f ./ci/values.yaml \
     --set-string default.image.tag="v$CI_COMMIT_SHORT_SHA"
-
+
+  # Deploy java order producer which is not a default component.
+  sed -i "s/PLACEHOLDER_COMMIT_SHA/v$CI_COMMIT_SHORT_SHA/g" ./src/orderproducerservice/deployment.yaml
+  kubectl apply -f ./src/orderproducerservice/deployment.yaml -n "${namespace}"
 }
 
 ###########################################################################################################

ci/values.yaml

@@ -43,7 +43,7 @@ default:
       value: >-
         service.name=$(OTEL_SERVICE_NAME),
         service.instance.id=$(OTEL_K8S_POD_UID),
-        ervice.namespace=opentelemetry-demo,
+        service.namespace=opentelemetry-demo,
         k8s.namespace.name=$(OTEL_K8S_NAMESPACE),
         k8s.node.name=$(OTEL_K8S_NODE_NAME),
         k8s.pod.name=$(OTEL_K8S_POD_NAME),
@@ -81,6 +81,43 @@ components:
     resources:
       limits:
         memory: 200Mi
+    ports:
+      - name: jmx-consumer
+        value: 1098
+    env: 
+      - name: KAFKA_SERVICE_ADDR
+        value: 'opentelemetry-demo-kafka:9092'
+      - name: OTEL_RESOURCE_ATTRIBUTES
+        value: >-
+          service.name=$(OTEL_SERVICE_NAME),
+          service.instance.id=$(OTEL_K8S_POD_UID),
+          service.namespace=opentelemetry-demo,
+          k8s.namespace.name=$(OTEL_K8S_NAMESPACE),
+          k8s.node.name=$(OTEL_K8S_NODE_NAME),
+          k8s.pod.name=$(OTEL_K8S_POD_NAME),
+          deployment.environment=$(OTEL_K8S_NAMESPACE),
+          k8s.pod.ip=$(POD_IP),
+          kafka_source=javainstrumentation
+    podAnnotations:
+      ad.datadoghq.com/frauddetectionservice.logs: '[{"source":"kafka","service":"frauddetectionservice"}]'
+      ad.datadoghq.com/frauddetectionservice.checks: |
+        {
+          "kafka": {
+            "init_config": {
+              "is_jmx": true,
+              "collect_default_metrics": true
+            },
+            "instances": [
+              {
+                "host": "opentelemetry-demo-frauddetectionservice",
+                "port": "1098",
+                "tags": [
+                  "kafka_source:agent_consumer"
+                ]
+              }
+            ]
+          }
+        }
   frontend:
     resources:
       limits:
@@ -129,6 +166,37 @@ components:
     resources:
       limits:
         memory: 1Gi
+    ports:
+      - name: jmx
+        value: 1099
+      - name: plaintext
+        value: 9092
+      - name: controller
+        value: 9093
+    initContainers:
+      - name: wait-for-zookeeper
+        image: busybox:latest
+        command: ['sh', '-c', 'until nc -z -v -w30 opentelemetry-demo-zookeeper 2181; do echo waiting for zookeeper; sleep 2; done;']
+    podAnnotations:
+      ad.datadoghq.com/kafka.logs: '[{"source":"kafka","service":"kafka"}]'
+      ad.datadoghq.com/kafka.checks: |
+        {
+          "kafka": {
+            "init_config": {
+              "is_jmx": true,
+              "collect_default_metrics": true
+            },
+            "instances": [
+              {
+                "host": "opentelemetry-demo-kafka",
+                "port": "1099",
+                "tags": [
+                  "kafka_source:agent"
+                ]
+              }
+            ]
+          }
+        }
 serviceAccount:
   create: false
 opentelemetry-collector:

src/frauddetectionservice/Dockerfile

@@ -20,6 +20,7 @@ WORKDIR /usr/src/app/
 COPY --from=builder /usr/src/app/build/libs/frauddetectionservice-1.0-all.jar ./
 ADD https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$version/opentelemetry-javaagent.jar /app/opentelemetry-javaagent.jar
 # RUN chmod 644 /app/opentelemetry-javaagent.jar
-ENV JAVA_TOOL_OPTIONS=-javaagent:/app/opentelemetry-javaagent.jar
+ENV JAVA_TOOL_OPTIONS="-javaagent:/app/opentelemetry-javaagent.jar -Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=opentelemetry-demo-frauddetectionservice -Dcom.sun.management.jmxremote.port=1098 -Dcom.sun.management.jmxremote.rmi.port=1098"
+ENV JMX_PORT=1098
 
 ENTRYPOINT [ "java", "-jar", "frauddetectionservice-1.0-all.jar" ]

src/kafka/Dockerfile

@@ -6,23 +6,18 @@ FROM registry.ddbuild.io/images/mirror/confluentinc/cp-kafka:7.4.0
 
 USER root
 ARG version=1.23.0
-ADD https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$version/opentelemetry-javaagent.jar /tmp/opentelemetry-javaagent.jar
-RUN chmod go+r /tmp/opentelemetry-javaagent.jar
 
 USER appuser
 
 ENV KAFKA_LISTENERS=PLAINTEXT://0.0.0.0:9092,CONTROLLER://0.0.0.0:9093
-ENV KAFKA_CONTROLLER_QUORUM_VOTERS='[email protected]:9093'
-ENV KAFKA_CONTROLLER_LISTENER_NAMES=CONTROLLER
+ENV KAFKA_BROKER_ID=1
+ENV KAFKA_ZOOKEEPER_CONNECT='opentelemetry-demo-zookeeper:2181'
 ENV KAFKA_LISTENER_SECURITY_PROTOCOL_MAP=CONTROLLER:PLAINTEXT,PLAINTEXT:PLAINTEXT
-ENV KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS=0
-ENV KAFKA_PROCESS_ROLES=controller,broker
-ENV KAFKA_NODE_ID=1
-ENV KAFKA_METADATA_LOG_SEGMENT_MS=15000
-ENV KAFKA_METADATA_MAX_RETENTION_MS=60000
-ENV KAFKA_METADATA_LOG_MAX_RECORD_BYTES_BETWEEN_SNAPSHOTS=2800
-ENV KAFKA_AUTO_CREATE_TOPICS_ENABLE=true
+ENV KAFKA_ADVERTISED_LISTENERS=PLAINTEXT://:9092,PLAINTEXT_INTERNAL://:29092
 ENV KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR=1
+ENV KAFKA_TRANSACTION_STATE_LOG_MIN_ISR=1
 ENV KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR=1
-ENV KAFKA_OPTS="-javaagent:/tmp/opentelemetry-javaagent.jar -Dotel.jmx.target.system=kafka-broker"
-ENV CLUSTER_ID=ckjPoprWQzOf0-FuNkGfFQ
+ENV KAFKA_AUTO_CREATE_TOPICS_ENABLE=true
+
+ENV KAFKA_JMX_OPTS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=opentelemetry-demo-kafka -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.rmi.port=1099"
+ENV JMX_PORT=1099

src/orderproducerservice/.gitattributes

@@ -0,0 +1,9 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+

src/orderproducerservice/.gitignore

@@ -0,0 +1,5 @@
+# Ignore Gradle project-specific cache directory
+.gradle
+
+# Ignore Gradle build output directory
+build

src/orderproducerservice/Dockerfile

@@ -0,0 +1,15 @@
+FROM openjdk:17-buster
+
+RUN apt-get update -y; apt-get install curl -y
+
+WORKDIR /home/otel
+RUN curl -Lo opentelemetry-javaagent.jar https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/latest/download/opentelemetry-javaagent.jar
+COPY ./src/orderproducerservice/ orderproducerservice/
+WORKDIR /home/otel/orderproducerservice
+COPY ./pb/ ./app/src/main/proto/
+RUN ./gradlew shadowJar
+
+ENV JAVA_TOOL_OPTIONS="-Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false -Djava.rmi.server.hostname=opentelemetry-demo-orderproducer -Dcom.sun.management.jmxremote.port=1097 -Dcom.sun.management.jmxremote.rmi.port=1097"
+ENV JMX_PORT=1097
+
+ENTRYPOINT ["java","-javaagent:../opentelemetry-javaagent.jar",  "-jar" , "app/build/libs/app-all.jar"]

src/orderproducerservice/app/build.gradle

@@ -0,0 +1,87 @@
+/*
+ * This file was generated by the Gradle 'init' task.
+ *
+ * This generated file contains a sample Java application project to get you started.
+ * For more details on building Java & JVM projects, please refer to https://docs.gradle.org/8.2.1/userguide/building_java_projects.html in the Gradle documentation.
+ */
+
+plugins {
+    // Apply the application plugin to add support for building a CLI application in Java.
+    id 'application'
+    id 'com.github.johnrengelman.shadow' version '7.0.0'
+    id "com.google.protobuf" version "0.9.4"
+}
+
+repositories {
+    // Use Maven Central for resolving dependencies.
+    mavenCentral()
+}
+
+shadowJar {
+    mergeServiceFiles()
+}
+
+ext {
+    grpcVersion = "1.56.1"
+    protobufVersion = "3.23.4"
+}
+
+dependencies {
+    // Use JUnit test framework.
+    testImplementation 'junit:junit:4.13.2'
+
+    // This dependency is used by the application.
+    implementation 'com.google.guava:guava:31.1-jre'
+
+    implementation 'org.apache.kafka:kafka_2.13:3.5.1'
+
+    implementation 'org.apache.kafka:kafka-clients:2.3.0'
+
+    implementation("com.google.api.grpc:proto-google-common-protos:2.22.1")
+
+    implementation("io.grpc:grpc-protobuf:${grpcVersion}")
+
+    implementation "com.google.protobuf:protobuf-java:${protobufVersion}"
+
+    implementation "io.grpc:grpc-stub:${grpcVersion}" // Add this line
+
+    implementation("javax.annotation:javax.annotation-api:1.3.2")
+
+}
+
+// Apply a specific Java toolchain to ease working on different environments.
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(17)
+    }
+}
+
+application {
+    // Define the main class for the application.
+    mainClass = 'orderproducerservice.App'
+}
+
+jar {
+    manifest {
+        attributes 'Main-Class': 'orderproducerservice.App'
+    }
+}
+
+protobuf {
+    protoc {
+        artifact = "com.google.protobuf:protoc:${protobufVersion}"
+    }
+    plugins {
+        grpc {
+            artifact = "io.grpc:protoc-gen-grpc-java:${grpcVersion}"
+        }
+    }
+    generateProtoTasks {
+        ofSourceSet("main").forEach {
+            it.plugins {
+                grpc {}
+            }
+        }
+    }
+
+}

src/orderproducerservice/app/src/main/java/orderproducerservice/App.java

@@ -0,0 +1,77 @@
+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package orderproducerservice;
+
+import java.util.Properties;
+import java.util.Random;
+import java.lang.Thread;
+import java.lang.InterruptedException;
+
+import org.apache.kafka.common.serialization.StringSerializer;
+import org.apache.kafka.common.serialization.ByteArraySerializer;
+import org.apache.kafka.clients.producer.ProducerConfig;
+import org.apache.kafka.clients.producer.KafkaProducer;
+import org.apache.kafka.clients.producer.ProducerRecord;
+import org.apache.kafka.clients.producer.Producer;
+
+import oteldemo.Demo.*;
+
+public class App {
+
+    public static void main(String[] args) {
+
+        String kafkaAddr = System.getenv("KAFKA_SERVICE_ADDR");
+        if (kafkaAddr != null) {
+            System.out.println("Using Kafka Broker Address: " + kafkaAddr);
+        } else {
+            throw new RuntimeException("Environment variable KAFKA_SERVICE_ADDR is not set.");
+        }
+
+        Properties props = new Properties();
+        props.put("bootstrap.servers", kafkaAddr);
+        props.put("acks", "all");
+        props.setProperty(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, StringSerializer.class.getName());
+        props.setProperty(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class.getName());
+
+        Producer<String, byte[]> producer = new KafkaProducer<>(props);
+
+        while (true) {
+            Random random = new Random();
+            try {
+                String orderId = "ORDER-" + random.nextInt(1000);
+                String shippingTrackingId = "TRACK-" + random.nextInt(1000);
+                double shippingCost = 10 + random.nextDouble() * 90;
+                OrderResult orderResult = OrderResult.newBuilder()
+                        .setOrderId(orderId)
+                        .setShippingTrackingId(shippingTrackingId)
+                        .setShippingCost(Money.newBuilder()
+                                .setCurrencyCode("EUR")
+                                .setUnits((long) shippingCost)
+                                .setNanos((int) ((shippingCost - (long) shippingCost) * 1e9))
+                                .build())
+                        .setShippingAddress(Address.newBuilder()
+                                .setStreetAddress("21 rue Chateaudun")
+                                .setCity("Paris")
+                                .setState("Paris")
+                                .setCountry("France")
+                                .setZipCode("75009")
+                                .build())
+                        .build();
+                ProducerRecord<String, byte[]> record = new ProducerRecord<>("orders", null, orderResult.toByteArray());
+                producer.send(record);
+            } catch (Exception e) {
+                e.printStackTrace();
+            } finally {
+                System.out.println("Message sent successfully!");
+            }
+            try {
+                Thread.sleep(4000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+            // producer is never closed because of while loop above. Leaving in case the code changes, to not forget to close producer.
+            // producer.close();
+        }
+    }
+}

src/orderproducerservice/app/src/test/java/orderproducerservice/AppTest.java

@@ -0,0 +1,4 @@
+/*
+ * This Java source file was generated by the Gradle 'init' task.
+ */
+package orderproducerservice;