// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.resource;
import java.util.List;
import java.util.Map;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import com.cloud.agent.AgentManager;
import com.cloud.agent.Listener;
import com.cloud.agent.api.AgentControlAnswer;
import com.cloud.agent.api.AgentControlCommand;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.Command;
import com.cloud.agent.api.StartupCommand;
import com.cloud.agent.api.StartupSecondaryStorageCommand;
import com.cloud.agent.manager.MockStorageManager;
import com.cloud.exception.ConnectionException;
import com.cloud.host.HostVO;
import com.cloud.host.Status;
import com.cloud.storage.SnapshotVO;
import com.cloud.storage.dao.SnapshotDao;
import com.cloud.storage.secondary.SecondaryStorageDiscoverer;
import com.cloud.utils.component.Inject;
import com.cloud.utils.exception.CloudRuntimeException;
@Local(value=Discoverer.class)
public class SimulatorSecondaryDiscoverer extends SecondaryStorageDiscoverer implements ResourceStateAdapter, Listener {
@Inject MockStorageManager _mockStorageMgr = null;
@Inject AgentManager _agentMgr;
@Inject ResourceManager _resourceMgr;
@Inject SnapshotDao _snapshotDao;
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
_agentMgr.registerForHostEvents(this, true, false, false);
_resourceMgr.registerResourceStateAdapter(this.getClass().getSimpleName(), this);
return super.configure(name, params);
}
@Override
public void postDiscovery(List<HostVO> hosts, long msId) {
super.postDiscovery(hosts, msId);
for (HostVO host: hosts) {
_mockStorageMgr.preinstallTemplates(host.getStorageUrl(), host.getDataCenterId());
}
}
@Override
public HostVO createHostVOForConnectedAgent(HostVO host,
StartupCommand[] cmd) {
return null;
}
@Override
public HostVO createHostVOForDirectConnectAgent(HostVO host,
StartupCommand[] startup, ServerResource resource,
Map<String, String> details, List<String> hostTags) {
//for detecting SSVM dispatch
StartupCommand firstCmd = startup[0];
if (!(firstCmd instanceof StartupSecondaryStorageCommand)) {
return null;
}
host.setType(com.cloud.host.Host.Type.SecondaryStorageVM);
return host;
}
@Override
public DeleteHostAnswer deleteHost(HostVO host, boolean isForced,
boolean isForceDeleteStorage) throws UnableDeleteHostException {
long hostId = host.getId();
List<SnapshotVO> snapshots = _snapshotDao.listByHostId(hostId);
if (snapshots != null && !snapshots.isEmpty()) {
throw new CloudRuntimeException("Cannot delete this secondary storage because there are still snapshots on it ");
}
_vmTemplateHostDao.deleteByHost(hostId);
host.setGuid(null);
_hostDao.update(hostId, host);
_hostDao.remove(hostId);
return new DeleteHostAnswer(true);
}
@Override
public boolean start() {
return true;
}
@Override
public boolean stop() {
_resourceMgr.unregisterResourceStateAdapter(this.getClass().getSimpleName());
return true;
}
@Override
public int getTimeout() {
return 0;
}
@Override
public boolean isRecurring() {
return false;
}
@Override
public boolean processAnswers(long agentId, long seq, Answer[] answers) {
return false;
}
@Override
public boolean processCommands(long agentId, long seq, Command[] commands) {
return false;
}
@Override
public void processConnect(HostVO host, StartupCommand cmd,
boolean forRebalance) throws ConnectionException {
}
@Override
public AgentControlAnswer processControlCommand(long agentId,
AgentControlCommand cmd) {
return null;
}
@Override
public boolean processDisconnect(long agentId, Status state) {
return false;
}
@Override
public boolean processTimeout(long agentId, long seq) {
return false;
}
}