Prometheus service json

Update to use a public IP so that services have a sane web-root

contrib/prometheus/README.md

@@ -31,11 +31,17 @@ Looks open enough :).
 
 You can launch prometheus easily, by simply running.
 
-`kubectl create -f cluster/addons/prometheus/prometheus-all.json`
+`kubectl create -f contrib/prometheus/prometheus-all.json`
 
-This will bind to port 9090 locally.  You can see the prometheus database at that URL.
+Then (edit the publicIP field in prometheus-service to be a public ip on one of your kubelets), 
 
-# How it works
+and run 
+
+`kubectl create -f contrib/prometheus/prometheus-service.json`
+
+Now, you can access the service `wget 10.0.1.89:9090`, and build graphs.
+
+## How it works
 
 This is a v1beta3 based, containerized prometheus ReplicationController, which scrapes endpoints which are readable on the KUBERNETES_RO service (the internal kubernetes service running in the default namespace, which is visible to all pods).
 

contrib/prometheus/prometheus-service.json

@@ -0,0 +1,22 @@
+{
+    "kind":"Service",
+    "apiVersion":"v1beta3",
+    "metadata":{
+        "name":"prometheus",
+        "labels":{
+            "name":"prometheus"
+        }
+    },
+    "spec":{
+        "publicIPs":["10.0.1.89"],
+        "ports": [
+        {
+            "port":9090,
+            "targetPort":9090,
+                "protocol":"TCP"
+        }],
+        "selector":{
+            "name":"kube-prometheus"
+        }
+    }
+}