Add example exporting metrics to Prometheus

.dockerignore

@@ -5,3 +5,4 @@
 *.so
 **/__pycache__/
 scripts/README.md
+examples/

examples/prom-grafana/Readme.md

@@ -0,0 +1,3 @@
+# Example Prometheus Exporter
+
+An example configuration exporting Minitor stats to Prometheus

examples/prom-grafana/docker-compose.yml

@@ -0,0 +1,33 @@
+version: '2'
+services:
+  prom:
+    image: prom/prometheus
+    ports:
+      - "9090:9090"
+    volumes:
+      - ./prometheus.yml:/etc/prometheus/prometheus.yml
+
+  grafana:
+    image: grafana/grafana
+    ports:
+      - "8000:3000"
+    volumes:
+      - /var/lib/grafana
+
+  cadvisor:
+    image: google/cadvisor
+    ports:
+      - "8088:8080"
+    volumes:
+      - /:/rootfs:ro
+      - /var/run:/var/run:rw
+      - /sys:/sys:ro
+      - /var/lib/docker:/var/lib/docker:ro
+
+  minitor:
+    build: ../../
+    ports:
+      - "8080:8080"
+    command: [ "--metrics", "-v" ]
+    volumes:
+      - ../../config.yml:/app/config.yml

examples/prom-grafana/prometheus.yml

@@ -0,0 +1,16 @@
+---
+global:
+  scrape_interval: 30s
+
+scrape_configs:
+  - job_name: prometheus
+    scrape_interval: 5s
+    static_configs:
+      - targets: ['localhost:9090']
+  - job_name: cadvisor
+    static_configs:
+      - targets: ['cadvisor:8080']
+  - job_name: minitor
+    metrics_path: /
+    static_configs:
+      - targets: ['minitor:8080']

setup.py

@@ -39,8 +39,9 @@ setup(
     packages=find_packages(exclude=[
         'contrib',
         'docs',
-        'tests',
+        'examples',
         'scripts',
+        'tests',
     ]),
     install_requires=[
         'prometheus_client',