| // 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.kvm.resource.wrapper; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| import org.apache.cloudstack.storage.configdrive.ConfigDriveBuilder; |
| import org.apache.cloudstack.storage.to.PrimaryDataStoreTO; |
| |
| import com.cloud.agent.api.Answer; |
| import com.cloud.agent.api.HandleConfigDriveIsoAnswer; |
| import com.cloud.agent.api.HandleConfigDriveIsoCommand; |
| import com.cloud.agent.api.to.DataStoreTO; |
| import com.cloud.hypervisor.kvm.resource.LibvirtComputingResource; |
| import com.cloud.hypervisor.kvm.storage.KVMStoragePool; |
| import com.cloud.hypervisor.kvm.storage.KVMStoragePoolManager; |
| import com.cloud.network.element.NetworkElement; |
| import com.cloud.resource.CommandWrapper; |
| import com.cloud.resource.ResourceWrapper; |
| import com.cloud.storage.Storage; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| @ResourceWrapper(handles = HandleConfigDriveIsoCommand.class) |
| public final class LibvirtHandleConfigDriveCommandWrapper extends CommandWrapper<HandleConfigDriveIsoCommand, Answer, LibvirtComputingResource> { |
| |
| @Override |
| public Answer execute(final HandleConfigDriveIsoCommand command, final LibvirtComputingResource libvirtComputingResource) { |
| String mountPoint = null; |
| |
| try { |
| if (command.isCreate()) { |
| logger.debug("Creating config drive: " + command.getIsoFile()); |
| |
| NetworkElement.Location location = NetworkElement.Location.PRIMARY; |
| if (command.isHostCachePreferred()) { |
| logger.debug("Using the KVM host for config drive"); |
| mountPoint = libvirtComputingResource.getConfigPath(); |
| location = NetworkElement.Location.HOST; |
| } else { |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| KVMStoragePool pool = null; |
| String poolUuid = null; |
| Storage.StoragePoolType poolType = null; |
| DataStoreTO dataStoreTO = command.getDestStore(); |
| if (dataStoreTO != null) { |
| if (dataStoreTO instanceof PrimaryDataStoreTO) { |
| PrimaryDataStoreTO primaryDataStoreTO = (PrimaryDataStoreTO) dataStoreTO; |
| poolType = primaryDataStoreTO.getPoolType(); |
| } else { |
| poolType = Storage.StoragePoolType.NetworkFilesystem; |
| } |
| poolUuid = command.getDestStore().getUuid(); |
| pool = storagePoolMgr.getStoragePool(poolType, poolUuid); |
| } |
| |
| if (pool == null || poolType == null) { |
| return new HandleConfigDriveIsoAnswer(command, "Unable to create config drive, Pool " + (poolUuid != null ? poolUuid : "") + " not found"); |
| } |
| |
| if (pool.supportsConfigDriveIso()) { |
| logger.debug("Using the pool: " + poolUuid + " for config drive"); |
| mountPoint = pool.getLocalPath(); |
| } else if (command.getUseHostCacheOnUnsupportedPool()) { |
| logger.debug("Config drive for KVM is not supported for pool type: " + poolType.toString() + ", using the KVM host"); |
| mountPoint = libvirtComputingResource.getConfigPath(); |
| location = NetworkElement.Location.HOST; |
| } else { |
| logger.debug("Config drive for KVM is not supported for pool type: " + poolType.toString()); |
| return new HandleConfigDriveIsoAnswer(command, "Config drive for KVM is not supported for pool type: " + poolType.toString()); |
| } |
| } |
| |
| Path isoPath = Paths.get(mountPoint, command.getIsoFile()); |
| File isoFile = new File(mountPoint, command.getIsoFile()); |
| |
| if (command.getIsoData() == null) { |
| return new HandleConfigDriveIsoAnswer(command, "Invalid config drive ISO data received"); |
| } |
| if (isoFile.exists()) { |
| logger.debug("An old config drive iso already exists"); |
| } |
| |
| Files.createDirectories(isoPath.getParent()); |
| ConfigDriveBuilder.base64StringToFile(command.getIsoData(), mountPoint, command.getIsoFile()); |
| |
| return new HandleConfigDriveIsoAnswer(command, location); |
| } else { |
| logger.debug("Deleting config drive: " + command.getIsoFile()); |
| Path configDrivePath = null; |
| |
| if (command.isHostCachePreferred()) { |
| // Check and delete config drive in host storage if exists |
| mountPoint = libvirtComputingResource.getConfigPath(); |
| configDrivePath = Paths.get(mountPoint, command.getIsoFile()); |
| Files.deleteIfExists(configDrivePath); |
| } else { |
| final KVMStoragePoolManager storagePoolMgr = libvirtComputingResource.getStoragePoolMgr(); |
| KVMStoragePool pool = null; |
| DataStoreTO dataStoreTO = command.getDestStore(); |
| if (dataStoreTO != null) { |
| if (dataStoreTO instanceof PrimaryDataStoreTO) { |
| PrimaryDataStoreTO primaryDataStoreTO = (PrimaryDataStoreTO) dataStoreTO; |
| Storage.StoragePoolType poolType = primaryDataStoreTO.getPoolType(); |
| pool = storagePoolMgr.getStoragePool(poolType, command.getDestStore().getUuid()); |
| } else { |
| pool = storagePoolMgr.getStoragePool(Storage.StoragePoolType.NetworkFilesystem, command.getDestStore().getUuid()); |
| } |
| } |
| |
| if (pool != null && pool.supportsConfigDriveIso()) { |
| mountPoint = pool.getLocalPath(); |
| configDrivePath = Paths.get(mountPoint, command.getIsoFile()); |
| Files.deleteIfExists(configDrivePath); |
| } |
| } |
| |
| return new HandleConfigDriveIsoAnswer(command); |
| } |
| } catch (final IOException e) { |
| logger.debug("Failed to handle config drive due to " + e.getMessage(), e); |
| return new HandleConfigDriveIsoAnswer(command, "Failed due to exception: " + e.getMessage()); |
| } catch (final CloudRuntimeException e) { |
| logger.debug("Failed to handle config drive due to " + e.getMessage(), e); |
| return new HandleConfigDriveIsoAnswer(command, "Failed due to exception: " + e.toString()); |
| } |
| } |
| } |