galicea-odoo-addons-ecosystem/galicea_openid_connect/system_checks.py

from odoo.addons.galicea_environment_checkup import (
    custom_check,
    CheckWarning,
    CheckSuccess,
    CheckFail,
)

from odoo import http


@custom_check
def check_single_db(env):
    if not http.request:
        raise CheckWarning("Could not detect DB settings.")

    dbs = http.db_list(True, http.request.httprequest)
    if len(dbs) == 1:
        return CheckSuccess("Odoo runs in a single-DB mode.")

    details = (
        "<p>Odoo runs in a multi-DB mode, which will cause API request routing to fail.</p>"
        "<p>Run Odoo with <tt>--dbfilter</tt> or <tt>--database</tt> flag.</p>"
    )
    return CheckFail("Odoo runs in a multi-DB mode.", details=details)