'run update secret
This receives a list of file names and converts it into a secret.
The secret is then written to disk and passed into the `oc replace` command.'

def update(self, files, force=False):

    secret = self.prep_secret(files, force)
    if (secret['returncode'] != 0):
        return secret
    sfile_path = ('/tmp/%s' % self.name)
    with open(sfile_path, 'w') as sfd:
        sfd.write(json.dumps(secret['results']))
    atexit.register(Utils.cleanup, [sfile_path])
    return self._replace(sfile_path, force=force)
