feat: add prometheus jmx exporter in Dockerfile and upgrade depot

Dockerfile

@@ -1,13 +1,22 @@
 FROM adoptopenjdk:8-jdk-openj9 AS GRADLE_BUILD
 RUN mkdir -p ./build/libs/
 RUN curl -L http://search.maven.org/remotecontent?filepath=org/jolokia/jolokia-jvm/1.6.2/jolokia-jvm-1.6.2-agent.jar -o ./jolokia-jvm-agent.jar
+RUN curl -L https://repo1.maven.org/maven2/io/prometheus/jmx/jmx_prometheus_javaagent/1.0.1/jmx_prometheus_javaagent-1.0.1.jar -o ./jmx_prometheus_javaagent.jar
 COPY ./ ./
 RUN ./gradlew build
 
 FROM openjdk:8-jre
 COPY --from=GRADLE_BUILD ./build/libs/ /opt/firehose/bin
 COPY --from=GRADLE_BUILD ./jolokia-jvm-agent.jar /opt/firehose
+COPY --from=GRADLE_BUILD ./jmx_prometheus_javaagent.jar /opt/firehose
 COPY --from=GRADLE_BUILD ./src/main/resources/log4j.xml /opt/firehose/etc/log4j.xml
 COPY --from=GRADLE_BUILD ./src/main/resources/logback.xml /opt/firehose/etc/logback.xml
+COPY ./jmx_exporter_config.yml /opt/firehose/etc/jmx_exporter_config.yml
 WORKDIR /opt/firehose
-CMD ["java", "-cp", "bin/*:/work-dir/*", "org.raystack.firehose.launch.Main", "-server", "-Dlogback.configurationFile=etc/firehose/logback.xml", "-Xloggc:/var/log/firehose"]
+CMD ["java", \
+    "-javaagent:/opt/firehose/jmx_prometheus_javaagent.jar=9404:/opt/firehose/etc/jmx_exporter_config.yml", \
+    "-cp", "bin/*:/work-dir/*", \
+    "org.raystack.firehose.launch.Main", \
+    "-server", \
+    "-Dlogback.configurationFile=etc/firehose/logback.xml", \
+    "-Xloggc:/var/log/firehose"]

build.gradle

@@ -4,7 +4,7 @@ buildscript {
     }
     dependencies {
         classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.17'
-        classpath "org.jfrog.buildinfo:build-info-extractor-gradle:4.4.7"
+        classpath "org.jfrog.buildinfo:build-info-extractor-gradle:5.2.5"
         classpath "org.ajoberstar:gradle-git:1.6.0"
     }
 }
@@ -33,7 +33,7 @@ lombok {
 }
 
 group 'org.raystack'
-version '0.8.0'
+version '0.8.1'
 
 def projName = "firehose"
 
@@ -101,7 +101,7 @@ dependencies {
     implementation platform('com.google.cloud:libraries-bom:20.5.0')
     implementation 'com.google.cloud:google-cloud-storage:2.20.1'
     implementation 'org.apache.logging.log4j:log4j-core:2.20.0'
-    implementation group: 'org.raystack', name: 'depot', version: '0.4.0'
+    implementation group: 'org.raystack', name: 'depot', version: '0.4.1'
     implementation group: 'com.networknt', name: 'json-schema-validator', version: '1.0.59' exclude group: 'org.slf4j'
 
     testImplementation group: 'junit', name: 'junit', version: '4.11'

jmx_exporter_config.yml

@@ -0,0 +1,28 @@
+rules:
+  - pattern: "java.lang<type=Memory><HeapMemoryUsage>.*"
+  - pattern: "java.lang<type=GarbageCollector,name=*>"
+  - pattern: "java.lang<type=Threading><DaemonThreadCount>"
+  - pattern: "java.lang<type=OperatingSystem><SystemCpuLoad>"
+
+  - pattern: 'kafka.consumer<type=consumer-fetch-manager-metrics, client-id=(.+), topic=(.+), partition=(.+)><>([a-zA-Z0-9-_]+)'
+    name: kafka_consumer_fetch_manager_metrics_$4
+    type: GAUGE
+    labels:
+      client_id: "$1"
+      topic: "$2"
+      partition: "$3"
+    help: "Kafka consumer fetch manager metrics $4 for client_id $1 topic $2 and partition $3"
+
+  - pattern: 'kafka.consumer<type=consumer-coordinator-metrics, client-id=(.+)><>([a-zA-Z0-9-_]+)'
+    name: kafka_consumer_coordinator_metrics_$2
+    type: GAUGE
+    labels:
+      client_id: "$1"
+    help: "Kafka consumer coordinator metrics $2 for client_id $1"
+
+  - pattern: 'kafka.consumer<type=consumer-metrics, client-id=(.+)><>([a-zA-Z0-9-_]+)'
+    name: kafka_consumer_consumer_metrics_$2
+    type: GAUGE
+    labels:
+      client_id: "$1"
+    help: "Kafka consumer consumer metrics $2 for client_id $1"