mirror of https://github.com/apache/cloudstack.git
105 lines
4.4 KiB
Java
105 lines
4.4 KiB
Java
/**
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* * Copyright (C) 2011 Citrix Systems, Inc. All rights reserved
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*
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.network;
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import java.util.List;
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import com.cloud.exception.InsufficientCapacityException;
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import com.cloud.exception.ResourceUnavailableException;
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import com.cloud.host.Host;
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import com.cloud.network.rules.FirewallRule;
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import com.cloud.resource.ServerResource;
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import com.cloud.utils.component.Manager;
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/* ExternalLoadBalancerDeviceManager provides a abstract implementation for managing a external load balancer in device agnostic manner.
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* Device specific managers for external load balancers (like F5 and Netscaler) should be implemented as pluggable service extending
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* ExternalLoadBalancerDeviceManager implementation. An implementation of device specific manager can override default behaviour if needed.
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*/
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public interface ExternalLoadBalancerDeviceManager extends Manager{
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public static final int DEFAULT_LOAD_BALANCER_CAPACITY = 50;
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/**
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* adds a load balancer device in to a physical network
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* @param physicalNetworkId physical network id of the network in to which device to be added
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* @param url url encoding device IP and device configuration parameter
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* @param username username
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* @param password password
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* @param deviceName device name
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* @param server resource that will handle the commands specific to this device
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* @return Host object for the device added
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*/
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public ExternalLoadBalancerDeviceVO addExternalLoadBalancer(long physicalNetworkId, String url, String username, String password, String deviceName, ServerResource resource);
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/**
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* deletes load balancer device added in to a physical network
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* @param hostId
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* @return true if device successfully deleted
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*/
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public boolean deleteExternalLoadBalancer(long hostId);
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/**
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* list external load balancers of given device name type added in to a physical network
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* @param physicalNetworkId
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* @param deviceName
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* @return list of host objects for the external load balancers added in to the physical network
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*/
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public List<Host> listExternalLoadBalancers(long physicalNetworkId, String deviceName);
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/**
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* finds a suitable load balancer device which can be used by this network
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* @param network guest network
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* @param dedicatedLb true if a dedicated load balancer is needed for this guest network
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* @return ExternalLoadBalancerDeviceVO corresponding to the suitable device
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* @throws InsufficientCapacityException
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*/
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public ExternalLoadBalancerDeviceVO findSuitableLoadBalancerForNetwork(Network network, boolean dedicatedLb) throws InsufficientCapacityException;
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/**
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* returns the load balancer device allocated for the guest network
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* @param network guest network id
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* @return ExternalLoadBalancerDeviceVO object corresponding the load balancer device assigned for this guest network
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*/
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public ExternalLoadBalancerDeviceVO getExternalLoadBalancerForNetwork(Network network);
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/**
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* applies load balancer rules
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* @param network guest network if
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* @param rules load balancer rules
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* @return true if successfully applied rules
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* @throws ResourceUnavailableException
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*/
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public boolean applyLoadBalancerRules(Network network, List<? extends FirewallRule> rules) throws ResourceUnavailableException;
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/**
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* implements or shutdowns guest network on the load balancer device assigned to the guest network
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* @param add
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* @param guestConfig
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* @return
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* @throws ResourceUnavailableException
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* @throws InsufficientCapacityException
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*/
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public boolean manageGuestNetworkWithExternalLoadBalancer(boolean add, Network guestConfig) throws ResourceUnavailableException,
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InsufficientCapacityException;
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}
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