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RC Xapp

This repository contains the source for sending RIC control Msg to RAN/E2 Node based on the GRPC control request received from other xapps

This xApp can be onboarded through the xApp Onboarder. The xapp descriptor is under the xapp-descriptor/ directory.

Then the xapp can be deployed through the App Manager. Procedure to Onboard the xapp is given in installation guide, in docs folder

GRPC communication can be tested using the grpccurl command

In the current implementation, timer is started after initiating Control Request to E2Node,and also supports RIC Control ACK response from E2Node.

Steps to onboard the xapp (Pre Dawn Release)

1)echo '{ "config-file.json_url": "https://gerrit.o-ran-sc.org/r/gitweb?p=ric-app/rc.git;a=blob_plain;f=xapp-descriptor/config.json;hb=HEAD","controls-schema.json_url": "https://gerrit.o-ran-sc.org/r/gitweb?p=ric-app/rc.git;a=blob_plain;f=xapp-descriptor/schema.json;hb=HEAD" }' > onboard.rc.url

2)Onboard the rc xapp using the below command : $curl --location --request POST "http://$(hostname):32080/onboard/api/v1/onboard/download" --header 'Content-Type: application/json' --data-binary "@./onboard.rc.url"

   After this command: xapp should be created
   Eg:
   $curl --location --request POST "http://$(hostname):32080/onboard/api/v1/onboard/download"      --header 'Content-Type: application/json' --data-binary "@./onboard.rc.url"
   {
   "status": "Created"
   }

3)Deploying the xapp: Eg: $curl --location --request POST "http://$(hostname):32080/appmgr/ric/v1/xapps" --header 'Content-Type: application/json' --data-raw '{"xappName": "rc"}' { "instances":null,"name":"rc","status":"deployed","version":"1.0" }

     after this step the xapp should be in running state

     ricxapp       ricxapp-rc-5ccdcc9f6f-ktq7w                                  1/1     Running     0          88m

restart rtMgr so rmr is ready

Steps to deploy the xapp using dms_cli tool

1)Create a local helm repository with a port other than 8080 on host $docker run --rm -u 0 -it -d -p 8090:8080 -e DEBUG=1 -e STORAGE=local -e STORAGE_LOCAL_ROOTDIR=/charts -v $(pwd)/charts:/charts chartmuseum/chartmuseum:latest

2)Set CHART_REPO_URL env variable $export CHART_REPO_URL=http://0.0.0.0:8090

3)Check dms_cli health is active(true) or not $dms_cli health True

4)Onboard the rc xapp using the below command : Make sure that you have the xapp descriptor config file and the schema file at your local file system $dms_cli onboard --config_file_path=config-file.json --shcema_file_path=schema.json After this command: xapp should be created Eg: $dms_cli onboard --config_file_path=config-file.json --shcema_file_path=schema.json { "status": "Created" }

5)List the helm charts from helm repository (Optional) $curl -X GET http://localhost:8090/api/charts | jq . Eg: $curl -X GET http://$(hostname):8090/api/charts | jq . { "rc": [ { "name": "rc", "version": "1.0.0", "description": "Standard xApp Helm Chart", "apiVersion": "v1", "appVersion": "1.0", "urls": [ "charts/rc-1.0.0.tgz" ], "created": "2022-04-20T05:26:37.891030646Z", "digest": "3636f4fba220aab5739d737eb3cd3d74b5012b029bde95f114b05f9eaa786b1f" } ] }

Install the xApp $dms_cli install --xapp_chart_name=XAPP_CHART_NAME --version=VERSION --namespace=NAMESPACE Eg: $dms_cli install --xapp_chart_name=rc --version=1.0.0 --namespace=ricxapp status: OK after this step the xapp should be in running state
```
   ricxapp       ricxapp-rc-5d8b97d58d-hhznh                                 1/1     Running     1          60m
```
restart rtMgr so rmr is ready

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RC Xapp