VILLASnode/etc/python/example.py

#!/bin/env python3
""" Example Python config

 This example demonstrates how you can use Python to generate complex
 configuration files.

 To use this configuration, run the following commands:

    villas node <(python3 etc/python/example.py)

 Author: Steffen Vogel <post@steffenvogel.de>
 SPDX-FileCopyrightText: 2014-2023 Institute for Automation of Complex Power Systems, RWTH Aachen University
 SPDX-License-Identifier: Apache-2.0
"""

import json
import sys

N = 10

nodes = {
    "raspberry": {
        "type": "socket",
        "layer": "udp",
        "format": "protobuf",
        "in": {
            "address": "*:12000",
        },
        "out": {"address": "1.2.3.4:12000"},
    }
}

for i in range(N):
    name = f"agent{i}"
    port = 12000 + i

    nodes[name] = {
        "type": "socket",
        "layer": "udp",
        "format": "protobuf",
        "in": {"address": "*:12000", "signals": [{"name": "in", "type": "float"}]},
        "out": {"address": f"5.6.7.8:{port}"},
    }

paths = [
    {
        "in": [f"agent{i}" for i in range(N)],
        "out": "raspberry",
        "mode": "any",
        "hooks": [{"type": "print"}],
    },
]

config = {"nodes": nodes, "paths": paths}

json.dump(config, sys.stdout, indent=2)