OpenConfig Path Compression Support

[wyltk-pfleming]

Requesting support for path compression as documented here

OpenConfig path are repetitive for human CLI consumption due to levels of hierarchy being introduced to the model.

Inefficient behavior:

• Data values (leaf nodes) are mirrored in a config and state container
• YANG list nodes are enclosed in a container, which they are the sole child of.

Utilizing the above referenced method
/interfaces/interface/subinterfaces/subinterface/ipv4/addresses/address becomes /interface/subinterface/ipv4/address. /interfaces/interface/subinterfaces/subinterface/config/enabled becomes /interface/subinterface/enabled. /interfaces/interface/subinterfaces/subinterface/state/oper-status becomes /interface/subinterface/oper-status.

I believe this should only apply at the CLI layer to allow compatibility with existing tools that expect OpenConfig paths.

[olofhagsand]

using CLICON_CLI_GENMODEL=HIDE already takes care of the second requirement

[wyltk-pfleming]

This looks complete with PR276 awaiting review from @olofhagsand

[olofhagsand]

Complete closing