[chef] Pass an attrribute in the knife bootstrap command

["Van Fossan,Randy" < >]

Is there a way to pass an attribute in the knife bootstrap command?

For example, I have a role that has a recipe to partition and format
disks differently on the master node as opposed to the data nodes.  The
recipe has a default attribute set for a data node.

I would like to override that default attribute with the knife bootstrap
command (which also installs ruby, the chef-client and configures the
client).

Any ideas?

Randy