Requirements

get yang files/spec of devices located in the SDN-Controller schema cache ($ODL_HOME/cache/schema) (Files are stored by yang-tols always in format "urn@version")
get additional specs, mainly basic yang specs, because normally not available in cache/schema. (Filename format similar to cache/schma)
request based on module name and optional version
response Content-Type: plain/text
if file not found: 404

Request	Description
GET /yang-schema/{modulename}	get latest yang file for module
GET /yang-schema/{modulename}/version	get version or nearest later of yang file for module

References

OOF-PCI Use Case - Dublin Release - ONAP based SON for PCI and ANR
Logging Enhancements Project Proposal
OOM Story: OOM-1598 - Document a Highly-Available K8s Cluster Deployment (RKE 0.2.1 / K8S 1.13.5 / Helm (2.12.3 - not 2.13.1) / Docker 18.09.5) CLOSED
Integration: SDNC-848