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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.cloudstack.storage.datastore.provider;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.inject.Inject;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreManager;
import org.apache.cloudstack.engine.subsystem.api.storage.HypervisorHostListener;
import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolDetailVO;
import org.apache.cloudstack.storage.datastore.db.StoragePoolDetailsDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import org.apache.cloudstack.storage.datastore.util.SolidFireUtil;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.ModifyStoragePoolAnswer;
import com.cloud.agent.api.ModifyStoragePoolCommand;
import com.cloud.agent.api.ModifyTargetsCommand;
import com.cloud.alert.AlertManager;
import com.cloud.dc.ClusterDetailsDao;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.storage.DataStoreRole;
import com.cloud.storage.StoragePool;
import com.cloud.storage.StoragePoolHostVO;
import com.cloud.storage.dao.StoragePoolHostDao;
import com.cloud.utils.exception.CloudRuntimeException;
public class SolidFireSharedHostListener implements HypervisorHostListener {
private static final Logger LOGGER = Logger.getLogger(SolidFireSharedHostListener.class);
@Inject private AgentManager agentMgr;
@Inject private AlertManager alertMgr;
@Inject private ClusterDao clusterDao;
@Inject private ClusterDetailsDao clusterDetailsDao;
@Inject private DataStoreManager dataStoreMgr;
@Inject private HostDao hostDao;
@Inject private PrimaryDataStoreDao storagePoolDao;
@Inject private StoragePoolHostDao storagePoolHostDao;
@Inject private StoragePoolDetailsDao storagePoolDetailsDao;
@Override
public boolean hostAdded(long hostId) {
HostVO host = hostDao.findById(hostId);
SolidFireUtil.hostAddedToOrRemovedFromCluster(hostId, host.getClusterId(), true, SolidFireUtil.SHARED_PROVIDER_NAME,
clusterDao, clusterDetailsDao, storagePoolDao, storagePoolDetailsDao, hostDao);
handleVMware(hostId, true);
return true;
}
@Override
public boolean hostConnect(long hostId, long storagePoolId) {
StoragePool storagePool = (StoragePool) dataStoreMgr.getDataStore(storagePoolId, DataStoreRole.Primary);
ModifyStoragePoolCommand cmd = new ModifyStoragePoolCommand(true, storagePool);
ModifyStoragePoolAnswer answer = sendModifyStoragePoolCommand(cmd, storagePool, hostId);
StoragePoolHostVO storagePoolHost = storagePoolHostDao.findByPoolHost(storagePoolId, hostId);
if (storagePoolHost != null) {
storagePoolHost.setLocalPath(answer.getPoolInfo().getLocalPath().replaceAll("//", "/"));
} else {
storagePoolHost = new StoragePoolHostVO(storagePoolId, hostId, answer.getPoolInfo().getLocalPath().replaceAll("//", "/"));
storagePoolHostDao.persist(storagePoolHost);
}
StoragePoolVO storagePoolVO = storagePoolDao.findById(storagePoolId);
storagePoolVO.setCapacityBytes(answer.getPoolInfo().getCapacityBytes());
storagePoolVO.setUsedBytes(answer.getPoolInfo().getCapacityBytes() - answer.getPoolInfo().getAvailableBytes());
storagePoolDao.update(storagePoolId, storagePoolVO);
return true;
}
@Override
public boolean hostDisconnected(long hostId, long storagePoolId) {
StoragePoolHostVO storagePoolHost = storagePoolHostDao.findByPoolHost(storagePoolId, hostId);
if (storagePoolHost != null) {
storagePoolHostDao.deleteStoragePoolHostDetails(hostId, storagePoolId);
}
return true;
}
@Override
public boolean hostAboutToBeRemoved(long hostId) {
handleVMware(hostId, false);
return true;
}
@Override
public boolean hostRemoved(long hostId, long clusterId) {
SolidFireUtil.hostAddedToOrRemovedFromCluster(hostId, clusterId, false, SolidFireUtil.SHARED_PROVIDER_NAME,
clusterDao, clusterDetailsDao, storagePoolDao, storagePoolDetailsDao, hostDao);
return true;
}
private void handleVMware(long hostId, boolean add) {
HostVO host = hostDao.findById(hostId);
if (HypervisorType.VMware.equals(host.getHypervisorType())) {
List<StoragePoolVO> storagePools = storagePoolDao.findPoolsByProvider(SolidFireUtil.SHARED_PROVIDER_NAME);
if (storagePools != null && storagePools.size() > 0) {
List<Map<String, String>> targets = new ArrayList<>();
for (StoragePoolVO storagePool : storagePools) {
if (storagePool.getClusterId().equals(host.getClusterId())) {
long storagePoolId = storagePool.getId();
StoragePoolDetailVO storagePoolDetail = storagePoolDetailsDao.findDetail(storagePoolId, SolidFireUtil.IQN);
String iqn = storagePoolDetail.getValue();
storagePoolDetail = storagePoolDetailsDao.findDetail(storagePoolId, SolidFireUtil.STORAGE_VIP);
String sVip = storagePoolDetail.getValue();
storagePoolDetail = storagePoolDetailsDao.findDetail(storagePoolId, SolidFireUtil.STORAGE_PORT);
String sPort = storagePoolDetail.getValue();
Map<String, String> details = new HashMap<>();
details.put(ModifyTargetsCommand.IQN, iqn);
details.put(ModifyTargetsCommand.STORAGE_HOST, sVip);
details.put(ModifyTargetsCommand.STORAGE_PORT, sPort);
targets.add(details);
}
}
if (targets.size() > 0) {
ModifyTargetsCommand cmd = new ModifyTargetsCommand();
cmd.setAdd(add);
cmd.setTargets(targets);
sendModifyTargetsCommand(cmd, hostId);
}
}
}
}
private void sendModifyTargetsCommand(ModifyTargetsCommand cmd, long hostId) {
Answer answer = agentMgr.easySend(hostId, cmd);
if (answer == null) {
throw new CloudRuntimeException("Unable to get an answer to the modify targets command");
}
if (!answer.getResult()) {
String msg = "Unable to modify targets on the following host: " + hostId;
HostVO host = hostDao.findById(hostId);
alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), msg, msg);
throw new CloudRuntimeException(msg);
}
}
private ModifyStoragePoolAnswer sendModifyStoragePoolCommand(ModifyStoragePoolCommand cmd, StoragePool storagePool, long hostId) {
Answer answer = agentMgr.easySend(hostId, cmd);
if (answer == null) {
throw new CloudRuntimeException("Unable to get an answer to the modify storage pool command for storage pool: " + storagePool.getId());
}
if (!answer.getResult()) {
String msg = "Unable to attach storage pool " + storagePool.getId() + " to the host " + hostId;
alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, storagePool.getDataCenterId(), storagePool.getPodId(), msg, msg);
throw new CloudRuntimeException(msg);
}
assert (answer instanceof ModifyStoragePoolAnswer) : "ModifyStoragePoolAnswer not returned from ModifyStoragePoolCommand; Storage pool = " +
storagePool.getId() + "; Host = " + hostId;
LOGGER.info("Connection established between storage pool " + storagePool + " and host " + hostId);
return (ModifyStoragePoolAnswer)answer;
}
}