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O-RAN-SC Non-RealTime RIC O-DU Closed Loop use case Slice Assurance

Configuration

The consumer takes a number of environment variables, described below, as configuration.

  • MR_HOST Required. The host for DMaaP Message Router. Example: http://mrproducer
  • MR_PORT Required. The port for the DMaaP Message Router. Example: 8095
  • SDNR_ADDR Optional. The address for SDNR. Defaults to http://localhost:3904.
  • SDNR_USER Optional. The user for the SDNR. Defaults to admin.
  • SDNR_PASSWORD Optional. The password for the SDNR user. Defaults to Kp8bJ4SXszM0WXlhak3eHlcse2gAw84vaoGGmJvUy2U.
  • LOG_LEVEL Optional. The log level, which can be Error, Warn, Info or Debug. Defaults to Info.
  • POLLTIME Optional. Waiting time between one pull request to DMaaP and another. Defaults to 10 sec

Functionality

There is a status call provided in a REST API on port 40936.

  • /status OK

Development

To make it easy to test during development of the consumer, there is a stub provided in the stub folder.

This stub is used to simulate both received VES messages from DMaaP MR with information about performance measurements for the slices in a determined DU and also SDNR, that sends information about Radio Resource Management Policy Ratio and allows to modify value for RRM Policy Dedicated Ratio from default to higher value.

By default, SDNR stub listens to the port 3904, but his can be overridden by passing a --sdnr-port [PORT] flag when starting the stub. For DMaaP MR stub default port is 3905 but it can be overridden by passing a --dmaap-port [PORT] flag when starting the stub.

To build and start the stub, do the following:

  1. cd stub
  2. go build
  3. ./stub [--sdnr-port ] [--dmaap-port ]