Merge pull request #8 from m-lab/sandbox-kinkade

Run node_exporter in VM + machine type for mlab-oti is now n1-highmem-4

deploy_script_exporter.sh

@@ -26,7 +26,7 @@ GCE_IMG_FAMILY="coreos-stable"
 # instance machine types to account for expected load.
 case $PROJECT in
   mlab-oti)
-    MACHINE_TYPE="n1-standard-4"
+    MACHINE_TYPE="n1-highmem-4"
     ;;
   mlab-staging)
     MACHINE_TYPE="n1-standard-2"
@@ -84,5 +84,8 @@ gcloud compute scp $SCP_FILES $GCE_NAME:~
 # Build the snmp_exporter Docker container.
 gcloud compute ssh $GCE_NAME --command "docker build -t ${IMAGE_TAG} ."
 
-# Start a new container based on the new/updated image
+# Start a new container based on the new/updated image.
 gcloud compute ssh $GCE_NAME --command "docker run --cap-add NET_ADMIN -p 9172:9172 -d ${IMAGE_TAG}"
+
+# Run Prometheus node_exporter in a container so we can gather VM metrics.
+gcloud compute ssh $GCE_NAME --command "docker run --detach --publish 9100:9100 --volume /proc:/host/proc --volume /sys:/host/sys prom/node-exporter --path.procfs /host/proc --path.sysfs /host/sys --no-collector.arp --no-collector.bcache --no-collector.conntrack --no-collector.edac --no-collector.entropy --no-collector.filefd --no-collector.hwmon --no-collector.infiniband --no-collector.ipvs --no-collector.mdadm --no-collector.netstat --no-collector.sockstat --no-collector.time --no-collector.timex --no-collector.uname --no-collector.vmstat --no-collector.wifi --no-collector.xfs --no-collector.zfs"