Charmed-RAN CU & DU (Central Unit & Distributed Unit)

This repository contains Charmed Operators for both the Central Unit (CU) and Distributed Unit (DU) components of the OAI 7.2x RAN stack, built using Canonical's Operator Framework. It supports lifecycle management, container image building, and deployment automation for each unit.

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📁 Project Structure

Charmed-RAN/
├── cu/                     # Central Unit charm
│   ├── build/              # Rockcraft build configs
│   ├── src/                # Operator source code
│   ├── lib/                # Reusable Python libraries
│   ├── tests/              # Unit and integration tests
│   ├── terraform/          # Infrastructure provisioning
│   ├── charmcraft.yaml     # Charmcraft configuration
│   └── cu_amd64.charm      # Built charm artifact
│
├── du/                     # Distributed Unit charm
│   ├── build/              # Rockcraft build configs
│   ├── src/                # Operator source code
│   ├── lib/                # Reusable Python libraries
│   ├── tests/              # Unit and integration tests
│   ├── terraform/          # Infrastructure provisioning
│   ├── charmcraft.yaml     # Charmcraft configuration
│   └── du_amd64.charm      # Built charm artifact
│
├── quick_deploy.sh         # Deployment script (update image names before use)
├── README.md

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🛠️ Build Instructions

🔹 Central Unit (CU)

1. Build Rock Image

cd cu/build
rockcraft pack

2. Push to Docker (Optional)

sudo rockcraft.skopeo --insecure-policy copy   oci-archive:"oai-cu-72x_2.1.0_amd64.rock"   docker-daemon:"docker.io/shivank1128/oai-cu:2.1.0"

docker push docker.io/shivank1128/oai-cu:2.1.0

3. Build the Charm

cd ../
charmcraft pack

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🔹 Distributed Unit (DU)

1. Build Rock Image

cd du/build
rockcraft pack

2. Push to Docker (Optional)

sudo rockcraft.skopeo --insecure-policy copy   oci-archive:"oai-du-72x_2.1.0_amd64.rock"   docker-daemon:"docker.io/shivank1128/oai-du:2.1.0"

docker push docker.io/shivank1128/oai-du:2.1.0

3. Build the Charm

cd ../
charmcraft pack

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🚀 Deployment

1. Update image names in quick_deploy.sh
2. Run the deployment script:

./quick_deploy.sh

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