7a32463f9d
This reverts commit 05021f11a29a0213c5aecddf8e7b907b7834214a. This switches Zuul and Nodepool to use Zookeeper TLS. The ZK cluster is already listening on both ports. Change-Id: I03d28fb75610fbf5221eeee28699e4bd6f1157ea
nodepool base setup
Role Variables
Install zookeeper to the node. This is not expected to be used in production, where the nodes would connect to an externally configured zookeeper instance. It can be useful for basic loopback tests in the gate, however.