Performs an authentication to the OpenStack auth server. If it succeeds, it sets the service_host, service_path, service_port, service_scheme, authtoken, and authok variables on the connection. If it fails, it raises an exception.
# File lib/openstack/connection.rb, line 240 def self.init(conn) if conn.auth_path =~ /.*v2.0\/?$/ AuthV20.new(conn) else AuthV10.new(conn) end end