Integrate mongodb prom exporter

README.md

@@ -42,6 +42,12 @@ docker-compose --profile monitoring up -d
 docker-compose --profile perf up -d --scale wrk-injector--perf=5
 ```
 
+# Prereqs
+Install loki logging driver docker plugin
+```
+docker plugin install grafana/loki-docker-driver:2.4.1 --alias loki --grant-all-permissions
+```
+
 # Monitoring
 
 App Metrics

docker-compose.yml

@@ -54,6 +54,12 @@ services:
       - /var/run/docker.sock:/var/run/docker.sock:ro
       - /etc/machine-id:/etc/machine-id:ro
       - /var/lib/dbus/machine-id:/var/lib/dbus/machine-id:ro
+  mongodb-exporter:
+    build: ./monitoring/mongodb_exporter/
+    command: ./mongodb_exporter-linux-amd64 -logtostderr -mongodb.uri mongodb://root:[email protected]:27017 -groups.enabled 'asserts,durability,background_flusshing,connections,extra_info,global_lock,index_counters,network,op_counters,op_counters_repl,memory,locks,metrics'
+    restart: always
+    ports:
+      - 9001:9001
   loki:
     image: grafana/loki:2.4.1
     ports:

monitoring/mongodb_exporter/Dockerfile

@@ -0,0 +1,11 @@
+FROM alpine
+
+#RUN apk update && apk add wget && \
+#    wget https://github.com/dcu/mongodb_exporter/releases/download/v1.0.0/mongodb_exporter-linux-amd64
+
+# this is a big no no :) - don't commit binaries in git.
+ADD mongodb_exporter-linux-amd64 /
+
+RUN chmod 755 mongodb_exporter-linux-amd64
+
+EXPOSE 9001

monitoring/prometheus/prometheus.yml

@@ -13,7 +13,11 @@ scrape_configs:
     metrics_path: '/metrics'
     static_configs:
       - targets: ['host.docker.internal:8081']
-  - job_name: 'spring-monitoring-app'
+  - job_name: 'mongodb'
+    metrics_path: '/metrics'
+    static_configs:
+      - targets: ['host.docker.internal:9001']
+  - job_name: 'spring-hello-app'
     metrics_path: '/actuator/prometheus'
     static_configs:
       - targets: ['host.docker.internal:8080']