Support TOSCA CSAR bundle with VNFD, NSD templates and mgmt driver for tacker

Currently in Tacker, mgmt-drivers are pre-bundled as part of the tacker code base, like the one for openwrt [1]. And it needs to plugged into setup.cfg entry_points for it work [2]. This makes things cumbersome to introduce new per-VNF mgmt-drivers during runtime. This blueprint proposes to introduce TOSCA CSAR bund...

Support ETSI specifications within the NFV Architecture Framework for tacker

Tacker implements its own API that is not aligned with current NFV standards. We need to support ETSI specifications within the NFV Architecture Framework [1] which is developed and published by SDN/NFV vendors and telecom operators. [1] https://www.etsi.org/technologies-clusters/technologies/NFV