Update delegation example.

examples/playbooks/delegation.yml

@@ -10,7 +10,7 @@
 # This example cheats by replacing the load balancer script with the 'echo' command,
 # leaving actual communication with the load balancer as an exercise to the reader.  In reality,
 # you could call anything you want, the main thing is that it should do something with 
-# $inventory_hostname
+# {{inventory_hostname}}
 
 # NOTE: see batch_size_control.yml for an example of the 'serial' keyword, which you almost certainly
 # want to use in this kind of example.  Here we have a mocked up example that does something to
@@ -22,18 +22,18 @@
   tasks:
   
   - name: take the machine out of rotation
-    action: command echo taking out of rotation $inventory_hostname
+    action: command echo taking out of rotation {{inventory_hostname}}
     delegate_to: 127.0.0.1
 
 # here's an alternate notation if you are delegating to 127.0.0.1, you can use 'local_action' 
 # instead of 'action' and leave off the 'delegate_to' part.
 #
-# - local_action: command echo taking out of rotation $inventory_hostname
+# - local_action: command echo taking out of rotation {{inventory_hostname}}
 
   - name: do several things on the actual host
-    action: command echo hi mom $inventory_hostname
+    action: command echo hi mom {{inventory_hostname}}
   
   - name: put machine back into rotation
-    action: command echo inserting into rotation $inventory_hostname
+    action: command echo inserting into rotation {{inventory_hostname}}
     delegate_to: 127.0.0.1