Merge pull request #112 from OneBusAway/feat/jmx-setup

Feat/jmx-setup

docker-compose.prod.yml

@@ -53,6 +53,7 @@ services:
       # Access the webapp on your host machine at a path like
       # http://localhost:8080/onebusaway-api-webapp/api/where/agency/${YOUR_AGENCY}.json?key=TEST
       - "8080:8080"
+      - "1234:1234"  # JMX exporter port
     # restart: always
     labels:
       caddy: "${DOMAIN}"

docker-compose.standalone.yml

@@ -49,8 +49,20 @@ services:
       # Access the webapp on your host machine at a path like
       # http://localhost:8080/onebusaway-api-webapp/api/where/agency/${YOUR_AGENCY}.json?key=TEST
       - "8080:8080"
+      - "1234:1234"  # JMX exporter port
+
+# Uncomment the following section to test with prometheus and the JMX exporter in localhost
+    # networks:
+    #   - monitoring
+    #   - default
     # restart: always
 
+# Uncomment the following section to test with prometheus and the JMX exporter in localhost
+# networks:
+#   monitoring:
+#     external: true
+
+
 volumes:
   mysql-data:
-  pg-data:
+  pg-data:

docker-compose.yml

@@ -63,8 +63,19 @@ services:
       # Access the webapp on your host machine at a path like
       # http://localhost:8080/onebusaway-api-webapp/api/where/agency/${YOUR_AGENCY}.json?key=TEST
       - "8080:8080"
+      - "1234:1234" # JMX exporter port
+
+    # networks:
+    #     - monitoring
+    #     - default
     # restart: always
 
+
+# Uncomment the following section to test with prometheus and the JMX exporter in localhost
+# networks:
+#   monitoring:
+#     external: true
+
 volumes:
   mysql-data:
-  pg-data:
+  pg-data:

oba/Dockerfile

@@ -105,23 +105,23 @@ WORKDIR $CATALINA_HOME/webapps
 ##########
 
 COPY --from=builder \
-     --chown=oba_user:oba_group \
-     /oba/libs/onebusaway-api-webapp.war .
+    --chown=oba_user:oba_group \
+    /oba/libs/onebusaway-api-webapp.war .
 
 RUN mkdir ROOT && \
     cd ROOT && \
     jar xvf ../onebusaway-api-webapp.war && \
     rm ../onebusaway-api-webapp.war
 
 COPY --from=builder \
-     --chown=oba_user:oba_group \
-     /oba/libs/mysql-connector-j.jar \
-     $CATALINA_HOME/webapps/ROOT/WEB-INF/lib/
+    --chown=oba_user:oba_group \
+    /oba/libs/mysql-connector-j.jar \
+    $CATALINA_HOME/webapps/ROOT/WEB-INF/lib/
 
 COPY --from=builder \
-     --chown=oba_user:oba_group \
-     /oba/libs/postgresql.jar \
-     $CATALINA_HOME/webapps/ROOT/WEB-INF/lib/
+    --chown=oba_user:oba_group \
+    /oba/libs/postgresql.jar \
+    $CATALINA_HOME/webapps/ROOT/WEB-INF/lib/
 
 RUN mkdir -p /opt/oba/logs
 RUN chown -R oba_user:oba_group /opt/oba/logs
@@ -157,10 +157,23 @@ COPY --from=builder \
 RUN apt-get autoremove -y && apt-get clean
 RUN rm -rf /oba/webapps
 
+
+
+# Jmx exporter
+
+RUN mkdir -p /app && \
+    wget -O /app/jmx_prometheus_javaagent.jar https://repo1.maven.org/maven2/io/prometheus/jmx/jmx_prometheus_javaagent/0.19.0/jmx_prometheus_javaagent-0.19.0.jar
+COPY ./jmx_exporter_config.yml /app/jmx_exporter_config.yml
+
+# Set JVM options to include JMX exporter
+ENV JAVA_OPTS="-javaagent:/app/jmx_prometheus_javaagent.jar=1234:/app/jmx_exporter_config.yml"
+
+
 ##########
 # Bootstrapper and Supervisor
 ##########
 
+
 COPY bootstrap.sh /oba/bootstrap.sh
 COPY supervisord.conf /etc/supervisor/conf.d/supervisord.conf
 RUN chmod +x /oba/bootstrap.sh

oba/jmx_exporter_config.yml

@@ -0,0 +1,28 @@
+lowercaseOutputLabelNames: true
+lowercaseOutputName: true
+whitelistObjectNames:
+    - "java.lang:type=OperatingSystem"
+    - "java.lang:type=Memory"
+    - "java.lang:type=MemoryPool,name=*"
+blacklistObjectNames: []
+rules:
+    - pattern: "java.lang<type=OperatingSystem><>(committed_virtual_memory|free_physical_memory|free_swap_space|total_physical_memory|total_swap_space)_size:"
+      name: os_$1_bytes
+      type: GAUGE
+      attrNameSnakeCase: true
+    - pattern: 'java.lang<type=OperatingSystem><>((?!process_cpu_time)\w+):'
+      name: os_$1
+      type: GAUGE
+      attrNameSnakeCase: true
+
+    - pattern: "java.lang<type=Memory><>HeapMemoryUsage"
+      name: "jvm_memory_used_bytes"
+      type: GAUGE
+    - pattern: "java.lang<type=Memory><>NonHeapMemoryUsage"
+      name: jvm_memory_non_heap_usage
+      type: GAUGE
+    - pattern: "java.lang<type=MemoryPool, name=.*><>Usage"
+      name: jvm_memory_pool_usage
+      type: GAUGE
+      labels:
+          pool: "$1"