Vijava 学习笔记之（Cluster 关联资源信息：CPU、内存、Datastore容量信息）

源代码：

package com.vmware.tree;

import com.vmware.pojo.ClusterMsgObj;

import com.vmware.util.Session;
import com.vmware.vim25.mo.*;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Created by vixuan-008 on 2015/6/28.
 */
public class ClusterData {
    public static void main(String[] args)throws Exception{
        List<ClusterMsgObj> list=new ArrayList<ClusterMsgObj>();
        ServiceInstance serviceInstance = null;
        //ServiceInstance----服务实例
        //serviceInstance = Session.getInstance("192.168.0.22", "administrator@vsphere.local", "Vixuan12#");
        serviceInstance = Session.getInstance("172.16.1.20", "root", "vmware");

        list=getClusterData(serviceInstance);
        if(list!=null && list.size()>0){
            for(int i=0;i<list.size();i++){
                ClusterMsgObj obj=list.get(i);
                System.out.println("name is:"+obj.getName());
                System.out.println("cpu is:"+obj.getCpuNum());
                System.out.println("memory is:"+obj.getRamNum());
                Map<String,Long>  map=obj.getDsMap();
                for(Map.Entry<String, Long> entry:map.entrySet()){
                    System.out.println(entry.getKey()+"--->"+entry.getValue());
                }

            }
        }
    }

    public static List<ClusterMsgObj> getClusterData( ServiceInstance serviceInstance) throws Exception{
        List<ClusterMsgObj> list=new ArrayList<ClusterMsgObj>();

        //rootFolder-------根文件夹
        Folder rootFolder = serviceInstance.getRootFolder();
        System.out.println("datacenter is:"+rootFolder.getName());



        //inventoryNavigator----文件夹目录
        InventoryNavigator inventoryNavigator =new InventoryNavigator(rootFolder);
        //managedEntities------查询实体对象
        ManagedEntity[] managedEntities=inventoryNavigator.searchManagedEntities("ClusterComputeResource");
        if(managedEntities!=null && managedEntities.length>0){
            for(int i=0;i<managedEntities.length;i++){
                ClusterComputeResource cluster = (ClusterComputeResource)managedEntities[i];
                ClusterMsgObj clusterMsgObj=new ClusterMsgObj();
                //cluster.getName();//集群名称
                clusterMsgObj.setName(cluster.getName());


                //集群关联服务器
                int cpuNum=0;
                long ramNum=0;
                HostSystem[] hostSystems=cluster.getHosts();
                if(hostSystems!=null && hostSystems.length>0){
                    for(int j=0;j<hostSystems.length;j++){
                        HostSystem system=hostSystems[j];
                        cpuNum=cpuNum+system.getSummary().getHardware().numCpuCores;//cpu个数
                        if(system.getSummary().quickStats.overallMemoryUsage!=null){
                            long memorytotal=system.getHardware().memorySize/(1024*1024);//memory总容量--单位MB
                            long memoryuse=system.getSummary().quickStats.overallMemoryUsage;//memory 已使用容量----单位MB
                            ramNum=ramNum+(memorytotal-memoryuse);
                        }


                    }
                }
                clusterMsgObj.setCpuNum(cpuNum);
                clusterMsgObj.setRamNum(ramNum);



                //集群关联DataStore
                Map<String,Long> dsMap=new HashMap<String,Long>();
                Datastore[] datastores=cluster.getDatastores();
                if(datastores!=null && datastores.length>0){
                    for(int k=0;k<datastores.length;k++){
                        Datastore datastore=datastores[k];

                        String datastoreName=datastore.getName();
                        long freespace=datastore.getSummary().freeSpace/(1024*1024*1024);//单位：GB

                        dsMap.put(datastoreName,freespace);


                    }
                }
                clusterMsgObj.setDsMap(dsMap);


                list.add(clusterMsgObj);




            }

        }


        return list;
    }
}