| // 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.api.command.admin.host; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| |
| import org.apache.cloudstack.api.APICommand; |
| import org.apache.cloudstack.api.ApiConstants; |
| import org.apache.cloudstack.api.BaseListCmd; |
| import org.apache.cloudstack.api.Parameter; |
| import org.apache.cloudstack.api.response.HostForMigrationResponse; |
| import org.apache.cloudstack.api.response.ListResponse; |
| import org.apache.cloudstack.api.response.UserVmResponse; |
| |
| import com.cloud.host.Host; |
| import com.cloud.utils.Pair; |
| import com.cloud.utils.Ternary; |
| |
| @APICommand(name = "findHostsForMigration", description = "Find hosts suitable for migrating a virtual machine.", responseObject = HostForMigrationResponse.class, |
| requestHasSensitiveInfo = false, responseHasSensitiveInfo = false) |
| public class FindHostsForMigrationCmd extends BaseListCmd { |
| |
| |
| ///////////////////////////////////////////////////// |
| //////////////// API parameters ///////////////////// |
| ///////////////////////////////////////////////////// |
| |
| @Parameter(name = ApiConstants.VIRTUAL_MACHINE_ID, |
| type = CommandType.UUID, |
| entityType = UserVmResponse.class, |
| required = true, |
| description = "find hosts to which this VM can be migrated and flag the hosts with enough " + "CPU/RAM to host the VM") |
| private Long virtualMachineId; |
| |
| ///////////////////////////////////////////////////// |
| /////////////////// Accessors /////////////////////// |
| ///////////////////////////////////////////////////// |
| |
| public Long getVirtualMachineId() { |
| return virtualMachineId; |
| } |
| |
| ///////////////////////////////////////////////////// |
| /////////////// API Implementation/////////////////// |
| ///////////////////////////////////////////////////// |
| |
| @Override |
| public void execute() { |
| ListResponse<HostForMigrationResponse> response = null; |
| Pair<List<? extends Host>, Integer> result; |
| Map<Host, Boolean> hostsRequiringStorageMotion; |
| |
| Ternary<Pair<List<? extends Host>, Integer>, List<? extends Host>, Map<Host, Boolean>> hostsForMigration = |
| _mgr.listHostsForMigrationOfVM(getVirtualMachineId(), this.getStartIndex(), this.getPageSizeVal(), this.getKeyword()); |
| result = hostsForMigration.first(); |
| List<? extends Host> hostsWithCapacity = hostsForMigration.second(); |
| hostsRequiringStorageMotion = hostsForMigration.third(); |
| |
| response = new ListResponse<HostForMigrationResponse>(); |
| List<HostForMigrationResponse> hostResponses = new ArrayList<HostForMigrationResponse>(); |
| for (Host host : result.first()) { |
| HostForMigrationResponse hostResponse = _responseGenerator.createHostForMigrationResponse(host); |
| Boolean suitableForMigration = false; |
| if (hostsWithCapacity.contains(host)) { |
| suitableForMigration = true; |
| } |
| hostResponse.setSuitableForMigration(suitableForMigration); |
| |
| Boolean requiresStorageMotion = hostsRequiringStorageMotion.get(host); |
| if (requiresStorageMotion != null && requiresStorageMotion) { |
| hostResponse.setRequiresStorageMotion(true); |
| } else { |
| hostResponse.setRequiresStorageMotion(false); |
| } |
| |
| hostResponse.setObjectName("host"); |
| hostResponses.add(hostResponse); |
| } |
| |
| response.setResponses(hostResponses, result.second()); |
| response.setResponseName(getCommandName()); |
| this.setResponseObject(response); |
| } |
| } |