./pgedge spock node-add-interface NODE_NAME INTERFACE_NAME DSN DB

Add an additional interface to a spock node. 

NODE_NAME
    The name of the node. Should reference the node already created in this database. Example: n1
INTERFACE_NAME
    The interface name to add to the node. The interface created by default matches the node name, add a new interface with a unique name. Example: n1_2
DSN
    The additional connection string to the node. The user in this string should equal the OS user. This connection string should be reachable from outside and match the one used later in the sub-create command. Example: host=10.1.2.5 port= 5432 user=pgedge dbname=demo
DB
    The name of the database. Example: demo