removed = k0s - k1s
    common = k0s.intersection(k1s)

    return added, removed, common


def drop_keys(res, k1, k2):
    if k2 in res[k1]:
        del res[k1][k2]


def normalize_configmap(res):
    try:
        if res['kind'] != "ConfigMap":
            return res

        data = res['data']

        # some times keys are yamls...
        # so parse them
        for k in data: