update eucalyptus/ec2 example

examples/playbooks/eucalyptus-ec2.yml

@@ -21,19 +21,19 @@
 
   tasks:
     - name: Launch instance 
-      local_action: ec2 keypair=$keypair group=$security_group instance_type=$instance_type image=$image wait=true count=5 
+      local_action: ec2 keypair={{keypair}} group={{security_group}} instance_type={{instance_type}} image={{image}} wait=true count=5 
       register: ec2
     
     # Use with_items to add each instances public IP to a new hostgroup for use in the next play.
 
     - name: Add new instances to host group
-      local_action: add_host hostname=${item.public_ip} groupname=deploy
+      local_action: add_host hostname={{item.public_ip}} groupname=deploy
       with_items: ${ec2.instances}
 
     # Use the ec2_vol module to create volumes for attachment to each instance. Use with_items to attach to each instance (by returned id) launched previously.
 
     - name: Create a volume and attach
-      local_action: ec2_vol volume_size=20 instance=${item.id}
+      local_action: ec2_vol volume_size=20 instance={{item.id}}
       with_items: ${ec2.instances}
 
 # This play targets the new host group