使用vshere Mangement SDK6.5 查询虚拟机CPU利用率和内存利用率

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本文介绍如何使用vSphere Management SDK 6.5来查询特定虚拟机的CPU利用率和内存利用率。通过示例代码展示了获取虚拟机配置信息、性能指标的方法。

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使用vshere Mangement SDK6.5 查询虚拟机CPU利用率和内存利用率

public OssVm getVmByUuid(final String uuid, final String ip) throws Exception {
        final Connector conn = Connector.getConnector(ip);
        final ObjectRetriever objRef = new ObjectRetriever(conn);
        final ServiceContent serviceContent = objRef.getServiceContent();
        final OssVm ossVm = new OssVm();
        try {
            final ManagedObjectReference vmMor = VMwareUtil.getVmMor(uuid, objRef);
            final String vmUuid = VMwareUtil.composeObjectUuid(getIdByIp(ip), vmMor.getValue());
            ossVm.setUuid(vmUuid);
            ossVm.setName(objRef.getSingleProperty("name", vmMor));
            final VirtualMachineConfigInfo config = (VirtualMachineConfigInfo) objRef.getObjectProperty(vmMor, "config");
            final VirtualMachineSummary summary = (VirtualMachineSummary) objRef.getObjectProperty(vmMor, "summary");
            final VirtualMachineStorageSummary virtualMachineStorageSummary = summary.getStorage();
            final VirtualMachineGuestSummary guest = summary.getGuest();
            final ManagedObjectReference perfManger = serviceContent.getPerfManager();
            ossVm.setOs(guest.getGuestFullName());
            ossVm.setIp(guest.getIpAddress());
            ossVm.setVmToolStatus(VMwareUtil.getVmToolStatus(guest));
            ossVm.setUseSize(virtualMachineStorageSummary.getCommitted() / 1073741824L);
            ossVm.setFreeSize(virtualMachineStorageSummary.getUncommitted() / 1073741824L);
            ossVm.setSize(ossVm.getFreeSize() + ossVm.getUseSize());
            ossVm.setLongUuid(config.getUuid());
            ossVm.setVcpu(config.getHardware().getNumCPU());
            ossVm.setVmemory((long) config.getHardware().getMemoryMB());
            List<PerfQuerySpec> perfQuerySpecList = new ArrayList<>();
            PerfQuerySpec perfQuerySpec = createPerfQuerySpec(vmMor, 1, 20, "csv");
            perfQuerySpecList.add(perfQuerySpec);
            List<PerfEntityMetricBase> perfEntityMetricList = conn.getVimPort().queryPerf(perfManger, perfQuerySpecList);
            for (int i = 0; i < perfEntityMetricList.size(); i++) {
                PerfEntityMetricCSV perfEntityMetricCSV = (PerfEntityMetricCSV) perfEntityMetricList.get(i);
                List<PerfMetricSeriesCSV> perfMetricSeriesCSVList = perfEntityMetricCSV.getValue();
                List<Integer> perfCounterIdList = new ArrayList<>();
                for (PerfMetricSeriesCSV perfMetricSeriesCSV : perfMetricSeriesCSVList) {
                    perfCounterIdList.add(perfMetricSeriesCSV.getId().getCounterId());
                }
                List<PerfCounterInfo> perfCounterInfoList = conn.getVimPort().queryPerfCounter(perfManger, perfCounterIdList);
                for (int n = 0; n < perfMetricSeriesCSVList.size(); n++) {
                    String strName = perfCounterInfoList.get(n).getNameInfo().getKey();
                    String groupName = perfCounterInfoList.get(n).getGroupInfo().getKey();
                    if (null != groupName && groupName.equals("mem")) {
                        if (strName.equals("consumed")) {
                            long memoryUsage = (Integer.parseInt(perfMetricSeriesCSVList.get(n).getValue())/1024*100)/ossVm.getVmemory();
                            ossVm.setMemoryUsage((int)memoryUsage);
                        }
                    }else if (null != groupName && groupName.equals("cpu")){
                        if (strName.equals("usagemhz")){
                            ossVm.setCpuUsage(Integer.parseInt(perfMetricSeriesCSVList.get(n).getValue()));
                        }
                    }
                }
            }
            return ossVm;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return ossVm;
    }