Added a script to poll AWS node status.

get-aws-node-status.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+aws ec2 describe-instance-status | \
+    jq '.InstanceStatuses[] | {id: .InstanceId, instance_status: .InstanceStatus.Status, system_status: .SystemStatus.Status}'

get-vm-ips.sh

@@ -48,7 +48,6 @@ ANSIBLE_INV="$(
         sed -z 's/\n/,/g;s/,$/\n/g')"
 
 # Create an inventory file for ansible.
-echo "# Wrote an Ansible inventory file at ./inventory"
 echo "[k8s_nodes]" > inventory
 echo $VM_IP_EXPORTS | \
     sed 's/"//g' | \