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In the EC2 dashboard, you'll see a new EC2 instance called jobs2-stage. You can log into it as you would any ec2 server.
Meanwhile, you want to monitor Ansible's logs while it builds the box:
Connect to the manage-prod server, using a variation on:
ssh -i ~/.ssh/chf_prod.pem ubuntu@ec2-xx-xxx-xx-xxx.compute-1.amazonaws.com
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Watch the progress of the ansible-playbook command in your terminal.
When you're done, you can get rid of the box in the EC2 console (but don't get rid of the wrong box!) by selecting it, then choosing Actions > Instance State > Terminate.
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