def get_acls(plugins):
    """
    Given a list of plugins, filter out the `acl` plugin
    and return a formatted string
    of all the acl consumer group names which are `allowed`
    to access the service.
    """
    if plugins is None:
        return
    for i in plugins:
        if i["name"] == "acl":
            return "`" + "`, `".join(a for a in i.get("config").get("allow")) + "`"