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Introduction/Background:

As part of Core NF Simulators setup, here is the link which gives the design time insights of Core NF Simulators. (Ref: Core-NF-Simulator).

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• Use docker pull to grab a copy of the upf-simulator version 1.3
• Use docker save -o ~/Downloads/upf-siumlaotr_v1.3.tgz lttscoresimulators/upf_simulator:v1.3
• Make these edits to the code:
  • AT the top level there is a repositories file.  You will need to add the path to your repository.  This is the localhost tag, and the long string that appears after you launch your Docker registry.   For example, {"localhost:5000/lttscoresimulators/upf_simulator":{"v1.5":"ef0368aae6b2b32910ff97cb0095b4b98463c8f444a2abf1ba2c6c9c27a11692"}}
  • There is an archive in the image file that's ~75kb in size, and should contain a Code, and Config folder.  Several files need to be edited.
    • In the application-config.py file change line 38 from self.config_file = '/etc/config/supportedNssai.json to self.config_file = '/etc/config/upf-conf/supportedNssai.json
    • The file is missing a path to the granularity period configuration.  Add this text after the dcae_collector_port_file_path,  self.granularity_period_file_path = '/etc/config/upf-conf/granularity_period.txt'  
  • In the sftp_config.sh file, comment out with a "#" everything below "service ssh restart"
• Once you have your docker image file updated and ready to be published in your local registry, use the docker load command to load it into your local image repository.  Do not use the docker import command.
• Tag it as per the docker registry instructions as pre-ceded with localhost:5000, version 1.5, then push it push it using docker push, delete your local image using docker rm, then pull it using docker pull to make sure it work and the image is in your repository and thus in the registry.,

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In the same folder, the configmap.yaml file should have the json mapping for the supported snssai at the bottom the JSON code in this code block.  This also needs to be done for the amf, and smf configmap.yaml charts as well.

            {

               "s-nssai": "{{ .Values.config.supportedNssai.sNssai.snssai }}",

               "status":  "{{ .Values.config.supportedNssai.sNssai.status }}" 

            }

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