| // 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 com.cloud.storage.listener; |
| |
| import java.util.List; |
| |
| import javax.inject.Inject; |
| |
| import com.cloud.storage.StorageManager; |
| import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProvider; |
| import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProviderManager; |
| import org.apache.cloudstack.engine.subsystem.api.storage.HypervisorHostListener; |
| import org.apache.cloudstack.engine.subsystem.api.storage.PrimaryDataStoreProvider; |
| import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao; |
| import org.apache.cloudstack.storage.datastore.db.StoragePoolVO; |
| import org.apache.log4j.Logger; |
| |
| 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.StartupRoutingCommand; |
| import com.cloud.exception.ConnectionException; |
| import com.cloud.host.Host; |
| import com.cloud.host.Status; |
| import com.cloud.hypervisor.Hypervisor.HypervisorType; |
| import com.cloud.storage.OCFS2Manager; |
| import com.cloud.storage.ScopeType; |
| import com.cloud.storage.Storage.StoragePoolType; |
| import com.cloud.storage.StorageManagerImpl; |
| import com.cloud.storage.StoragePoolHostVO; |
| |
| public class StoragePoolMonitor implements Listener { |
| private static final Logger s_logger = Logger.getLogger(StoragePoolMonitor.class); |
| private final StorageManagerImpl _storageManager; |
| private final PrimaryDataStoreDao _poolDao; |
| private DataStoreProviderManager _dataStoreProviderMgr; |
| @Inject |
| OCFS2Manager _ocfs2Mgr; |
| |
| public StoragePoolMonitor(StorageManagerImpl mgr, PrimaryDataStoreDao poolDao, DataStoreProviderManager dataStoreProviderMgr) { |
| _storageManager = mgr; |
| _poolDao = poolDao; |
| _dataStoreProviderMgr = dataStoreProviderMgr; |
| } |
| |
| @Override |
| public boolean isRecurring() { |
| return false; |
| } |
| |
| @Override |
| public synchronized boolean processAnswers(long agentId, long seq, Answer[] resp) { |
| return true; |
| } |
| |
| @Override |
| public void processHostAdded(long hostId) { |
| List<DataStoreProvider> providers = _dataStoreProviderMgr.getProviders(); |
| |
| if (providers != null) { |
| for (DataStoreProvider provider : providers) { |
| if (provider instanceof PrimaryDataStoreProvider) { |
| try { |
| HypervisorHostListener hypervisorHostListener = provider.getHostListener(); |
| |
| if (hypervisorHostListener != null) { |
| hypervisorHostListener.hostAdded(hostId); |
| } |
| } |
| catch (Exception ex) { |
| s_logger.error("hostAdded(long) failed for storage provider " + provider.getName(), ex); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void processConnect(Host host, StartupCommand cmd, boolean forRebalance) throws ConnectionException { |
| if (cmd instanceof StartupRoutingCommand) { |
| StartupRoutingCommand scCmd = (StartupRoutingCommand)cmd; |
| if (scCmd.getHypervisorType() == HypervisorType.XenServer || scCmd.getHypervisorType() == HypervisorType.KVM || |
| scCmd.getHypervisorType() == HypervisorType.VMware || scCmd.getHypervisorType() == HypervisorType.Simulator || |
| scCmd.getHypervisorType() == HypervisorType.Ovm || scCmd.getHypervisorType() == HypervisorType.Hyperv || |
| scCmd.getHypervisorType() == HypervisorType.LXC || scCmd.getHypervisorType() == HypervisorType.Ovm3) { |
| List<StoragePoolVO> pools = _poolDao.listBy(host.getDataCenterId(), host.getPodId(), host.getClusterId(), ScopeType.CLUSTER); |
| List<StoragePoolVO> zoneStoragePoolsByTags = _poolDao.findZoneWideStoragePoolsByTags(host.getDataCenterId(), null); |
| List<StoragePoolVO> zoneStoragePoolsByHypervisor = _poolDao.findZoneWideStoragePoolsByHypervisor(host.getDataCenterId(), scCmd.getHypervisorType()); |
| zoneStoragePoolsByTags.retainAll(zoneStoragePoolsByHypervisor); |
| pools.addAll(zoneStoragePoolsByTags); |
| List<StoragePoolVO> zoneStoragePoolsByAnyHypervisor = _poolDao.findZoneWideStoragePoolsByHypervisor(host.getDataCenterId(), HypervisorType.Any); |
| pools.addAll(zoneStoragePoolsByAnyHypervisor); |
| |
| // get the zone wide disabled pools list if global setting is true. |
| if (StorageManager.MountDisabledStoragePool.value()) { |
| pools.addAll(_poolDao.findDisabledPoolsByScope(host.getDataCenterId(), null, null, ScopeType.ZONE)); |
| } |
| |
| // get the cluster wide disabled pool list |
| if (StorageManager.MountDisabledStoragePool.valueIn(host.getClusterId())) { |
| pools.addAll(_poolDao.findDisabledPoolsByScope(host.getDataCenterId(), host.getPodId(), host.getClusterId(), ScopeType.CLUSTER)); |
| } |
| |
| for (StoragePoolVO pool : pools) { |
| if (!pool.isShared()) { |
| continue; |
| } |
| |
| if (pool.getPoolType() == StoragePoolType.OCFS2 && !_ocfs2Mgr.prepareNodes(pool.getClusterId())) { |
| throw new ConnectionException(true, "Unable to prepare OCFS2 nodes for pool " + pool.getId()); |
| } |
| |
| Long hostId = host.getId(); |
| if (s_logger.isDebugEnabled()) { |
| s_logger.debug("Host " + hostId + " connected, connecting host to shared pool id " + pool.getId() + " and sending storage pool information ..."); |
| } |
| try { |
| _storageManager.connectHostToSharedPool(hostId, pool.getId()); |
| _storageManager.createCapacityEntry(pool.getId()); |
| } catch (Exception e) { |
| throw new ConnectionException(true, "Unable to connect host " + hostId + " to storage pool id " + pool.getId() + " due to " + e.toString(), e); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public synchronized boolean processDisconnect(long agentId, Status state) { |
| Host host = _storageManager.getHost(agentId); |
| if (host == null) { |
| s_logger.warn("Agent: " + agentId + " not found, not disconnecting pools"); |
| return false; |
| } |
| |
| if (host.getType() != Host.Type.Routing) { |
| return false; |
| } |
| |
| List<StoragePoolHostVO> storagePoolHosts = _storageManager.findStoragePoolsConnectedToHost(host.getId()); |
| if (storagePoolHosts == null) { |
| if (s_logger.isTraceEnabled()) { |
| s_logger.trace("No pools to disconnect for host: " + host.getId()); |
| } |
| return true; |
| } |
| |
| boolean disconnectResult = true; |
| for (StoragePoolHostVO storagePoolHost : storagePoolHosts) { |
| StoragePoolVO pool = _poolDao.findById(storagePoolHost.getPoolId()); |
| if (pool == null) { |
| continue; |
| } |
| |
| if (!pool.isShared()) { |
| continue; |
| } |
| |
| // Handle only PowerFlex pool for now, not to impact other pools behavior |
| if (pool.getPoolType() != StoragePoolType.PowerFlex) { |
| continue; |
| } |
| |
| try { |
| _storageManager.disconnectHostFromSharedPool(host.getId(), pool.getId()); |
| } catch (Exception e) { |
| s_logger.error("Unable to disconnect host " + host.getId() + " from storage pool id " + pool.getId() + " due to " + e.toString()); |
| disconnectResult = false; |
| } |
| } |
| |
| return disconnectResult; |
| } |
| |
| @Override |
| public void processHostAboutToBeRemoved(long hostId) { |
| List<DataStoreProvider> providers = _dataStoreProviderMgr.getProviders(); |
| |
| if (providers != null) { |
| for (DataStoreProvider provider : providers) { |
| if (provider instanceof PrimaryDataStoreProvider) { |
| try { |
| HypervisorHostListener hypervisorHostListener = provider.getHostListener(); |
| |
| if (hypervisorHostListener != null) { |
| hypervisorHostListener.hostAboutToBeRemoved(hostId); |
| } |
| } |
| catch (Exception ex) { |
| s_logger.error("hostAboutToBeRemoved(long) failed for storage provider " + provider.getName(), ex); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public void processHostRemoved(long hostId, long clusterId) { |
| List<DataStoreProvider> providers = _dataStoreProviderMgr.getProviders(); |
| |
| if (providers != null) { |
| for (DataStoreProvider provider : providers) { |
| if (provider instanceof PrimaryDataStoreProvider) { |
| try { |
| HypervisorHostListener hypervisorHostListener = provider.getHostListener(); |
| |
| if (hypervisorHostListener != null) { |
| hypervisorHostListener.hostRemoved(hostId, clusterId); |
| } |
| } |
| catch (Exception ex) { |
| s_logger.error("hostRemoved(long, long) failed for storage provider " + provider.getName(), ex); |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| public boolean processCommands(long agentId, long seq, Command[] req) { |
| return false; |
| } |
| |
| @Override |
| public AgentControlAnswer processControlCommand(long agentId, AgentControlCommand cmd) { |
| return null; |
| } |
| |
| @Override |
| public boolean processTimeout(long agentId, long seq) { |
| return true; |
| } |
| |
| @Override |
| public int getTimeout() { |
| return -1; |
| } |
| |
| } |
