gistfile1.txt

---
- hosts: localhost
  connection: local
  gather_facts: False

  tasks:
    - name: Provision a blank Ubuntu 14.04 instance
      ec2:
        region="us-east-1"
        key_name=buildkite_ansible
        instance_type=c3.4xlarge
        image="ami-d05e75b8"
        wait=true
        exact_count=1
      register: ec2

    - name: Add all instance public IPs to host group
      add_host: hostname={{ item.public_ip }} groups=ec2hosts
      with_items: ec2.instances

gistfile2.txt

PLAY [localhost] ************************************************************** 

TASK: [Provision a blank Ubuntu 14.04 instance] ******************************* 
failed: [localhost] => {"failed": true, "parsed": false}
usage: ec2 [-h] [--list] [--host HOST] [--refresh-cache]
ec2: error: unrecognized arguments: /home/bloopletech/.ansible/tmp/ansible-tmp-1430895957.83-134023118515239/arguments


FATAL: all hosts have already failed -- aborting

PLAY RECAP ******************************************************************** 
           to retry, use: --limit @/home/bloopletech/buildkite_pack.retry