| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package org.apache.cloudstack.agent.lb; |
| |
| import java.util.List; |
| |
| public interface IndirectAgentLB { |
| |
| /** |
| * Return list of management server addresses after applying configured lb algorithm |
| * for a host in a zone. |
| * @param hostId host id (if present) |
| * @param dcId zone id |
| * @param orderedHostIdList (optional) list of ordered host id list |
| * @return management servers string list |
| */ |
| List<String> getManagementServerList(Long hostId, Long dcId, List<Long> orderedHostIdList); |
| |
| /** |
| * Compares received management server list against expected list for a host in a zone. |
| * @param hostId host id |
| * @param dcId zone id |
| * @param receivedMSHosts received management server list |
| * @return true if mgmtHosts is up to date, false if not |
| */ |
| boolean compareManagementServerList(Long hostId, Long dcId, List<String> receivedMSHosts); |
| |
| /** |
| * Returns the configure LB algorithm |
| * @return returns algorithm name |
| */ |
| String getLBAlgorithmName(); |
| |
| /** |
| * Returns the configured LB preferred host check interval (if applicable at cluster scope) |
| * @return returns interval in seconds |
| */ |
| Long getLBPreferredHostCheckInterval(Long clusterId); |
| } |