[chef] Serial deployment

[Rob Guttman < >]

We're just starting to use chef for managing nagios configs - so far, so good.

What
 we would like to eventually use it for is to deploy all of our web apps
 and services.  A specific use case we have is to be able to *serially* 
deploy to hosts/instances within a cluster behind a load balancer.  For 
example, we would take one host out of rotation, deploy to it, warm it 
up and/or smoke test, and when warming completes and/or if smoke tests 
pass then put it back into rotation and move on to the next host in the 
cluster.

How best to achieve that?

Thanks.
- Rob