There are corresponding image changes to go with these ansible
changes - changes in rsyncd template, and add
environment settings for RSYNC_CONNECT_PROG (i.e. nc)
nc allows for rsync replication to easily target {{ swift_rsync_port }}
update the lock file and chroot settings in template - see bug
for more details.
Change-Id: Ic81b7de8fad8aec9416e4e27e8ffda6d03be293c
Closes-Bug: #1733851
3245201af1