mergeconf

app.py

from flask import Flask
import requests
import yaml

app = Flask(__name__)

def combine(a, b):
    a = dict(a)
    b = dict(b)

    c = {"http": {}}
    c["http"]["routers"] = dict(a["http"]["routers"] | b["http"]["routers"])
    c["http"]["middlewares"] = dict(a["http"]["middlewares"] | b["http"]["middlewares"])
    c["http"]["services"] = dict(a["http"]["services"] | b["http"]["services"])

    return c

@app.route("/api")
def merge():
    a = yaml.safe_load(requests.get("http://nginx1/config.yml").text)
    b = yaml.safe_load(requests.get("http://nginx2/config.yml").text)

    c = combine(a, b)

    return yaml.safe_dump(c), 200