Added docker-compose for quick test environment and brief description in Readme.

README.md

@@ -76,6 +76,8 @@ information on how to submit your changes to this repository.
 
 ## Sample view
 
+See ./examples for docker-compose file with Grafana if you'd like to quickly get a test environment up and running.
+
 If you have [promdash](https://github.com/prometheus/promdash) set up you
 can generate views like:
 

examples/docker-compose.yml

@@ -0,0 +1,29 @@
+# Example usage of exporter in use
+
+# In this case, it depends on the proper ceph keys in the correct place.
+
+version: '2'
+
+services:
+  prometheus:
+    image: prom/prometheus:v1.6.1
+    volumes:
+        - './prometheus.yml:/etc/prometheus/prometheus.yml'
+    command:
+        - '-config.file=/etc/prometheus/prometheus.yml'
+    ports:
+        - '9090:9090'
+  ceph-exporter:
+    image: digitalocean/ceph_exporter
+    volumes:
+        - '/etc/ceph:/etc/ceph'
+    ports:
+        - '9128:9128'
+  grafana:
+    image: grafana/grafana:4.2.0
+    environment:
+        - GF_SECURITY_ADMIN_PASSWORD=test
+    depends_on:
+        - prometheus
+    ports:
+        - "3000:3000"

examples/prometheus.yml

@@ -0,0 +1,14 @@
+# prometheus.yml
+# Place in same directory as docker-compose.yml and replace $DOCKERHOST with your desired host IP where ceph_exporter is running
+
+global:
+    scrape_interval: 5s
+    external_labels:
+        monitor: 'my-monitor'
+scrape_configs:
+    - job_name: 'prometheus'
+      static_configs:
+          - targets: ['localhost:9090']
+    - job_name: 'ceph-exporter'
+      static_configs:
+          - targets: ['$DOCKERHOST:9128']