| // |
| // 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.hypervisor.xenserver.resource.wrapper.xenbase; |
| |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.storage.ResizeVolumeAnswer; |
| import com.cloud.agent.api.storage.ResizeVolumeCommand; |
| import com.cloud.hypervisor.xenserver.resource.CitrixResourceBase; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| import com.xensource.xenapi.Connection; |
| import com.xensource.xenapi.PBD; |
| import com.xensource.xenapi.SR; |
| import com.xensource.xenapi.VDI; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| @ResourceWrapper(handles = ResizeVolumeCommand.class) |
| public final class CitrixResizeVolumeCommandWrapper extends CommandWrapper<ResizeVolumeCommand, Answer, CitrixResourceBase> { |
| private static final Logger s_logger = Logger.getLogger(CitrixResizeVolumeCommandWrapper.class); |
| |
| @Override |
| public Answer execute(final ResizeVolumeCommand command, final CitrixResourceBase citrixResourceBase) { |
| Connection conn = citrixResourceBase.getConnection(); |
| |
| String volId = command.getPath(); |
| long newSize = command.getNewSize(); |
| |
| try { |
| |
| if (command.getCurrentSize() >= newSize) { |
| s_logger.info("No need to resize volume: " + volId +", current size " + command.getCurrentSize() + " is same as new size " + newSize); |
| return new ResizeVolumeAnswer(command, true, "success", newSize); |
| } |
| if (command.isManaged()) { |
| resizeSr(conn, command); |
| } |
| |
| VDI vdi = citrixResourceBase.getVDIbyUuid(conn, volId); |
| |
| vdi.resize(conn, newSize); |
| |
| return new ResizeVolumeAnswer(command, true, "success", newSize); |
| } catch (Exception ex) { |
| s_logger.warn("Unable to resize volume", ex); |
| |
| String error = "Failed to resize volume: " + ex; |
| |
| return new ResizeVolumeAnswer(command, false, error); |
| } |
| } |
| |
| private void resizeSr(Connection conn, ResizeVolumeCommand command) { |
| // If this is managed storage, re-size the SR, too. |
| // The logical unit/volume has already been re-sized, so the SR needs to fill up the new space. |
| |
| String iScsiName = command.get_iScsiName(); |
| |
| try { |
| Set<SR> srs = SR.getByNameLabel(conn, iScsiName); |
| Set<PBD> allPbds = new HashSet<>(); |
| |
| for (SR sr : srs) { |
| if (!(CitrixResourceBase.SRType.LVMOISCSI.equals(sr.getType(conn)))) { |
| continue; |
| } |
| |
| Set<PBD> pbds = sr.getPBDs(conn); |
| |
| if (pbds.size() <= 0) { |
| s_logger.debug("No PBDs found for the following SR: " + sr.getNameLabel(conn)); |
| } |
| |
| allPbds.addAll(pbds); |
| } |
| |
| for (PBD pbd: allPbds) { |
| PBD.Record pbdr = pbd.getRecord(conn); |
| |
| if (pbdr.currentlyAttached) { |
| pbd.unplug(conn); |
| pbd.plug(conn); |
| } |
| } |
| } |
| catch (Throwable ex) { |
| throw new CloudRuntimeException("Unable to resize volume: " + ex.getMessage()); |
| } |
| } |
| } |