stopManagement.java

@Override
public void stopManagementMachines()
		throws TimeoutException, CloudProvisioningException {
	final String token = createAuthenticationToken();

	final long endTime = calcEndTimeInMillis(
			DEFAULT_SHUTDOWN_TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
	List<Node> nodes;
	try {
		nodes = listServers(token);
	} catch (final OpenstackException e) {
		throw new CloudProvisioningException(e);
	}

	final List<String> ids = new LinkedList<String>();
	for (final Node node : nodes) {
		if (node.getName().startsWith(
				this.serverNamePrefix)) {
			try {
				ids.add(node.getId());

			} catch (final Exception e) {
				throw new CloudProvisioningException(e);
			}
		}
	}

	try {
		terminateServers(
				ids, token, endTime);
	} catch (final TimeoutException e) {
		throw e;
	} catch (final Exception e) {
		throw new CloudProvisioningException("Failed to shut down managememnt machines", e);
	}
}