Gateway

Scripts for the measurement data transmission to the SEGuRo platform

Installation

pip install .

Either by running:

nix develop

or by installing direnv and running:

direnv allow

Inside the development shell you can directly work on the Python code or use the following commands:

Run Python gateway code: opcua-readout
Render Nix template expression: nix-render-template template.nix < input.json > output.json
Generate VILLASndoe config from Gateway config: villas-generate-gateway-config < gateway.json > villas-node.json
Start a full-fledged VM to test the configuration of VILLASnode start-vm

Start the VM by running: start-vm.

Then check the VILLASnode service and its config:

systemctl status villas-node

cat /boot/firmware/gateway.json
cat /boot/firmware/villas-config.json

You can exit the VM console by Ctrl+A + X.

Build a SD-card image by running:

nix build .#nixosConfigurations.rpi-1.config.system.build.sdImage

or short

nix build .

This will place the generated SD-card image under ./result/sd-image/.

You can use dd to copy this image to a real SD-card:

zstd -d ./result/sd-image/*.img.zst | dd of=/dev/sdX bs=4k

pip install -e .