- name: check/create instance
  hosts: myhostname
  user: root
  gather_facts: False
  vars:
   - instance_type: m1.xlarge
   - image: emi-3F1C4010
   - keypair: admin
   - security_group: webserver
   - public_ip: 192.168.1.2
    
  tasks:
  # check to see if it is already listening on sshd on the ip we want for it
  - name: check it out
    local_action: shell nc -d -z -w 5 ${public_ip} 22 >>/dev/null
    register: host_is_up
    ignore_errors: true

  # if it is not up then we bring it up
  - name: spin it up
    local_action: ec2 keypair=${keypair} image=${image} type=${instance_type} wait=true group=${security_group}
    register: inst_res
    only_if: "'${host_is_up.rc}' != '0'"

  # associate an ip
  - name: assign it a special ip
    local_action: shell euca-associate-address -i ${inst_res.instances[0].id} ${public_ip}
    only_if: "'${host_is_up.rc}' != '0'"

  # wait for it to come up and function
  - name: wait for the reassignation
    local_action: wait_for host=${public_ip} port=22 delay=20 timeout=300
    only_if: "'${host_is_up.rc}' != '0'"

# this way you can always run this second play - just to
# keep your box in shape - the first one won't get run once the
# host is up
- name: provision instance
  hosts: myhostname
  user: root
  gather_facts: True

  tasks:
  - name: install pkgs for jenkins
    action: yum state=installed pkg=$item
    with_items:
    - vim
    - java-1.7.0-openjdk
    - subversion
    - bzr
    - git
    tags:
    - packages