CGP Cloud Functions Examples

Examples of GCP Cloud Functions which return the caller's IP either via JSON, XML or as plain text/raw.

ip-json.py:

from flask import jsonify, make_response

def main(request):
    return make_response(
        jsonify(
            {
                "ip": request.environ['HTTP_X_FORWARDED_FOR'],
            }
        ),
        200
    )

ip-raw.py:

from flask import make_response

def main(request):
    return make_response(
        request.environ['HTTP_X_FORWARDED_FOR'],
        200
    )

ip-xml.py:

from flask import make_response

def main(request):
    resp = make_response(
        f"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
        f"<ip>{request.environ['HTTP_X_FORWARDED_FOR']}</ipv4>"
    )
    resp.headers['Content-Type'] = 'application/xml'
    return resp

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