| /* |
| * 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.storage.datastore.provider; |
| |
| import java.net.URISyntaxException; |
| import java.security.KeyManagementException; |
| import java.security.NoSuchAlgorithmException; |
| import java.util.HashMap; |
| 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.client.ScaleIOGatewayClient; |
| import org.apache.cloudstack.storage.datastore.client.ScaleIOGatewayClientConnectionPool; |
| import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao; |
| import org.apache.cloudstack.storage.datastore.db.StoragePoolDetailsDao; |
| import org.apache.commons.collections.MapUtils; |
| import org.apache.commons.lang3.StringUtils; |
| 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.alert.AlertManager; |
| import com.cloud.host.HostVO; |
| import com.cloud.host.dao.HostDao; |
| 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 ScaleIOHostListener implements HypervisorHostListener { |
| private static final Logger s_logger = Logger.getLogger(ScaleIOHostListener.class); |
| |
| @Inject private AgentManager _agentMgr; |
| @Inject private AlertManager _alertMgr; |
| @Inject private DataStoreManager _dataStoreMgr; |
| @Inject private HostDao _hostDao; |
| @Inject private StoragePoolHostDao _storagePoolHostDao; |
| @Inject private PrimaryDataStoreDao _primaryDataStoreDao; |
| @Inject private StoragePoolDetailsDao _storagePoolDetailsDao; |
| |
| @Override |
| public boolean hostAdded(long hostId) { |
| return true; |
| } |
| |
| @Override |
| public boolean hostConnect(long hostId, long poolId) { |
| HostVO host = _hostDao.findById(hostId); |
| if (host == null) { |
| s_logger.error("Failed to add host by HostListener as host was not found with id : " + hostId); |
| return false; |
| } |
| |
| StoragePool storagePool = (StoragePool)_dataStoreMgr.getDataStore(poolId, DataStoreRole.Primary); |
| |
| String systemId = _storagePoolDetailsDao.findDetail(poolId, ScaleIOGatewayClient.STORAGE_POOL_SYSTEM_ID).getValue(); |
| if (systemId == null) { |
| throw new CloudRuntimeException("Failed to get the system id for PowerFlex storage pool " + storagePool.getName()); |
| } |
| Map<String,String> details = new HashMap<>(); |
| details.put(ScaleIOGatewayClient.STORAGE_POOL_SYSTEM_ID, systemId); |
| |
| ModifyStoragePoolCommand cmd = new ModifyStoragePoolCommand(true, storagePool, storagePool.getPath(), details); |
| ModifyStoragePoolAnswer answer = sendModifyStoragePoolCommand(cmd, storagePool, hostId); |
| Map<String,String> poolDetails = answer.getPoolInfo().getDetails(); |
| if (MapUtils.isEmpty(poolDetails)) { |
| String msg = "SDC details not found on the host: " + hostId + ", (re)install SDC and restart agent"; |
| s_logger.warn(msg); |
| _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), "SDC not found on host: " + host.getUuid(), msg); |
| return false; |
| } |
| |
| String sdcId = null; |
| if (poolDetails.containsKey(ScaleIOGatewayClient.SDC_ID)) { |
| sdcId = poolDetails.get(ScaleIOGatewayClient.SDC_ID); |
| } else if (poolDetails.containsKey(ScaleIOGatewayClient.SDC_GUID)) { |
| String sdcGuid = poolDetails.get(ScaleIOGatewayClient.SDC_GUID); |
| sdcId = getHostSdcId(sdcGuid, poolId); |
| } |
| |
| if (StringUtils.isBlank(sdcId)) { |
| String msg = "Couldn't retrieve SDC details from the host: " + hostId + ", (re)install SDC and restart agent"; |
| s_logger.warn(msg); |
| _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), "SDC details not found on host: " + host.getUuid(), msg); |
| return false; |
| } |
| |
| if (!isHostSdcConnected(sdcId, poolId)) { |
| s_logger.warn("SDC not connected on the host: " + hostId); |
| String msg = "SDC not connected on the host: " + hostId + ", reconnect the SDC to MDM and restart agent"; |
| _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, host.getDataCenterId(), host.getPodId(), "SDC disconnected on host: " + host.getUuid(), msg); |
| return false; |
| } |
| |
| StoragePoolHostVO storagePoolHost = _storagePoolHostDao.findByPoolHost(poolId, hostId); |
| if (storagePoolHost == null) { |
| storagePoolHost = new StoragePoolHostVO(poolId, hostId, sdcId); |
| _storagePoolHostDao.persist(storagePoolHost); |
| } else { |
| storagePoolHost.setLocalPath(sdcId); |
| _storagePoolHostDao.update(storagePoolHost.getId(), storagePoolHost); |
| } |
| |
| s_logger.info("Connection established between storage pool: " + storagePool + " and host: " + hostId); |
| return true; |
| } |
| |
| private String getHostSdcId(String sdcGuid, long poolId) { |
| try { |
| s_logger.debug(String.format("Try to get host SDC Id for pool: %s, with SDC guid %s", poolId, sdcGuid)); |
| ScaleIOGatewayClient client = ScaleIOGatewayClientConnectionPool.getInstance().getClient(poolId, _storagePoolDetailsDao); |
| return client.getSdcIdByGuid(sdcGuid); |
| } catch (NoSuchAlgorithmException | KeyManagementException | URISyntaxException e) { |
| s_logger.error(String.format("Failed to get host SDC Id for pool: %s", poolId), e); |
| throw new CloudRuntimeException(String.format("Failed to establish connection with PowerFlex Gateway to get host SDC Id for pool: %s", poolId)); |
| } |
| } |
| |
| private boolean isHostSdcConnected(String sdcId, long poolId) { |
| try { |
| ScaleIOGatewayClient client = ScaleIOGatewayClientConnectionPool.getInstance().getClient(poolId, _storagePoolDetailsDao); |
| return client.isSdcConnected(sdcId); |
| } catch (NoSuchAlgorithmException | KeyManagementException | URISyntaxException e) { |
| s_logger.error("Failed to check host sdc connection", e); |
| throw new CloudRuntimeException("Failed to establish connection with PowerFlex Gateway to check host sdc connection"); |
| } |
| } |
| |
| 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 (" + storagePool.getId() + ")"); |
| } |
| |
| if (!answer.getResult()) { |
| String msg = "Unable to attach storage pool " + storagePool.getId() + " to host " + hostId; |
| |
| _alertMgr.sendAlert(AlertManager.AlertType.ALERT_TYPE_HOST, storagePool.getDataCenterId(), storagePool.getPodId(), msg, msg); |
| |
| throw new CloudRuntimeException("Unable to establish a connection from agent to storage pool " + storagePool.getId() + " due to " + answer.getDetails() + |
| " (" + storagePool.getId() + ")"); |
| } |
| |
| assert (answer instanceof ModifyStoragePoolAnswer) : "ModifyStoragePoolAnswer expected ; Pool = " + storagePool.getId() + " Host = " + hostId; |
| |
| return (ModifyStoragePoolAnswer) answer; |
| } |
| |
| @Override |
| public boolean hostDisconnected(long hostId, long poolId) { |
| // SDC ID is getting updated upon host connect, no need to delete the storage_pool_host_ref entry |
| return true; |
| } |
| |
| @Override |
| public boolean hostAboutToBeRemoved(long hostId) { |
| return true; |
| } |
| |
| @Override |
| public boolean hostRemoved(long hostId, long clusterId) { |
| return true; |
| } |
| |
| @Override |
| public boolean hostEnabled(long hostId) { |
| return true; |
| } |
| } |