Examples with VmDiskStatsEntry com.cloud.agent.api.VmDiskStatsEntry used on opensource projects

Example 1 with VmDiskStatsEntry

use of com.cloud.agent.api.VmDiskStatsEntry in project cloudstack by apache.

the class UserVmManagerImpl method collectVmDiskStatistics.

@Override
public void collectVmDiskStatistics(final UserVmVO userVm) {
    // support KVM only util 2013.06.25
    if (!userVm.getHypervisorType().equals(HypervisorType.KVM))
        return;
    s_logger.debug("Collect vm disk statistics from host before stopping Vm");
    long hostId = userVm.getHostId();
    List<String> vmNames = new ArrayList<String>();
    vmNames.add(userVm.getInstanceName());
    final HostVO host = _hostDao.findById(hostId);
    GetVmDiskStatsAnswer diskStatsAnswer = null;
    try {
        diskStatsAnswer = (GetVmDiskStatsAnswer) _agentMgr.easySend(hostId, new GetVmDiskStatsCommand(vmNames, host.getGuid(), host.getName()));
    } catch (Exception e) {
        s_logger.warn("Error while collecting disk stats for vm: " + userVm.getInstanceName() + " from host: " + host.getName(), e);
        return;
    }
    if (diskStatsAnswer != null) {
        if (!diskStatsAnswer.getResult()) {
            s_logger.warn("Error while collecting disk stats vm: " + userVm.getInstanceName() + " from host: " + host.getName() + "; details: " + diskStatsAnswer.getDetails());
            return;
        }
        try {
            final GetVmDiskStatsAnswer diskStatsAnswerFinal = diskStatsAnswer;
            Transaction.execute(new TransactionCallbackNoReturn() {

                @Override
                public void doInTransactionWithoutResult(TransactionStatus status) {
                    HashMap<String, List<VmDiskStatsEntry>> vmDiskStatsByName = diskStatsAnswerFinal.getVmDiskStatsMap();
                    if (vmDiskStatsByName == null)
                        return;
                    List<VmDiskStatsEntry> vmDiskStats = vmDiskStatsByName.get(userVm.getInstanceName());
                    if (vmDiskStats == null)
                        return;
                    for (VmDiskStatsEntry vmDiskStat : vmDiskStats) {
                        SearchCriteria<VolumeVO> sc_volume = _volsDao.createSearchCriteria();
                        sc_volume.addAnd("path", SearchCriteria.Op.EQ, vmDiskStat.getPath());
                        List<VolumeVO> volumes = _volsDao.search(sc_volume, null);
                        if ((volumes == null) || (volumes.size() == 0))
                            break;
                        VolumeVO volume = volumes.get(0);
                        VmDiskStatisticsVO previousVmDiskStats = _vmDiskStatsDao.findBy(userVm.getAccountId(), userVm.getDataCenterId(), userVm.getId(), volume.getId());
                        VmDiskStatisticsVO vmDiskStat_lock = _vmDiskStatsDao.lock(userVm.getAccountId(), userVm.getDataCenterId(), userVm.getId(), volume.getId());
                        if ((vmDiskStat.getIORead() == 0) && (vmDiskStat.getIOWrite() == 0) && (vmDiskStat.getBytesRead() == 0) && (vmDiskStat.getBytesWrite() == 0)) {
                            s_logger.debug("Read/Write of IO and Bytes are both 0. Not updating vm_disk_statistics");
                            continue;
                        }
                        if (vmDiskStat_lock == null) {
                            s_logger.warn("unable to find vm disk stats from host for account: " + userVm.getAccountId() + " with vmId: " + userVm.getId() + " and volumeId:" + volume.getId());
                            continue;
                        }
                        if (previousVmDiskStats != null && ((previousVmDiskStats.getCurrentIORead() != vmDiskStat_lock.getCurrentIORead()) || ((previousVmDiskStats.getCurrentIOWrite() != vmDiskStat_lock.getCurrentIOWrite()) || (previousVmDiskStats.getCurrentBytesRead() != vmDiskStat_lock.getCurrentBytesRead()) || (previousVmDiskStats.getCurrentBytesWrite() != vmDiskStat_lock.getCurrentBytesWrite())))) {
                            s_logger.debug("vm disk stats changed from the time GetVmDiskStatsCommand was sent. " + "Ignoring current answer. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() + " IO Read: " + vmDiskStat.getIORead() + " IO Write: " + vmDiskStat.getIOWrite() + " Bytes Read: " + vmDiskStat.getBytesRead() + " Bytes Write: " + vmDiskStat.getBytesWrite());
                            continue;
                        }
                        if (vmDiskStat_lock.getCurrentIORead() > vmDiskStat.getIORead()) {
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Read # of IO that's less than the last one.  " + "Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() + " Reported: " + vmDiskStat.getIORead() + " Stored: " + vmDiskStat_lock.getCurrentIORead());
                            }
                            vmDiskStat_lock.setNetIORead(vmDiskStat_lock.getNetIORead() + vmDiskStat_lock.getCurrentIORead());
                        }
                        vmDiskStat_lock.setCurrentIORead(vmDiskStat.getIORead());
                        if (vmDiskStat_lock.getCurrentIOWrite() > vmDiskStat.getIOWrite()) {
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Write # of IO that's less than the last one.  " + "Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() + " Reported: " + vmDiskStat.getIOWrite() + " Stored: " + vmDiskStat_lock.getCurrentIOWrite());
                            }
                            vmDiskStat_lock.setNetIOWrite(vmDiskStat_lock.getNetIOWrite() + vmDiskStat_lock.getCurrentIOWrite());
                        }
                        vmDiskStat_lock.setCurrentIOWrite(vmDiskStat.getIOWrite());
                        if (vmDiskStat_lock.getCurrentBytesRead() > vmDiskStat.getBytesRead()) {
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Read # of Bytes that's less than the last one.  " + "Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() + " Reported: " + vmDiskStat.getBytesRead() + " Stored: " + vmDiskStat_lock.getCurrentBytesRead());
                            }
                            vmDiskStat_lock.setNetBytesRead(vmDiskStat_lock.getNetBytesRead() + vmDiskStat_lock.getCurrentBytesRead());
                        }
                        vmDiskStat_lock.setCurrentBytesRead(vmDiskStat.getBytesRead());
                        if (vmDiskStat_lock.getCurrentBytesWrite() > vmDiskStat.getBytesWrite()) {
                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Write # of Bytes that's less than the last one.  " + "Assuming something went wrong and persisting it. Host: " + host.getName() + " . VM: " + vmDiskStat.getVmName() + " Reported: " + vmDiskStat.getBytesWrite() + " Stored: " + vmDiskStat_lock.getCurrentBytesWrite());
                            }
                            vmDiskStat_lock.setNetBytesWrite(vmDiskStat_lock.getNetBytesWrite() + vmDiskStat_lock.getCurrentBytesWrite());
                        }
                        vmDiskStat_lock.setCurrentBytesWrite(vmDiskStat.getBytesWrite());
                        if (!_dailyOrHourly) {
                            //update agg bytes
                            vmDiskStat_lock.setAggIORead(vmDiskStat_lock.getNetIORead() + vmDiskStat_lock.getCurrentIORead());
                            vmDiskStat_lock.setAggIOWrite(vmDiskStat_lock.getNetIOWrite() + vmDiskStat_lock.getCurrentIOWrite());
                            vmDiskStat_lock.setAggBytesRead(vmDiskStat_lock.getNetBytesRead() + vmDiskStat_lock.getCurrentBytesRead());
                            vmDiskStat_lock.setAggBytesWrite(vmDiskStat_lock.getNetBytesWrite() + vmDiskStat_lock.getCurrentBytesWrite());
                        }
                        _vmDiskStatsDao.update(vmDiskStat_lock.getId(), vmDiskStat_lock);
                    }
                }
            });
        } catch (Exception e) {
            s_logger.warn("Unable to update vm disk statistics for vm: " + userVm.getId() + " from host: " + hostId, e);
        }
    }
}

Example 2 with VmDiskStatsEntry

use of com.cloud.agent.api.VmDiskStatsEntry in project cloudstack by apache.

the class LibvirtComputingResource method getVmDiskStat.

public List<VmDiskStatsEntry> getVmDiskStat(final Connect conn, final String vmName) throws LibvirtException {
    Domain dm = null;
    try {
        dm = getDomain(conn, vmName);
        final List<VmDiskStatsEntry> stats = new ArrayList<VmDiskStatsEntry>();
        final List<DiskDef> disks = getDisks(conn, vmName);
        for (final DiskDef disk : disks) {
            if (disk.getDeviceType() != DeviceType.DISK) {
                break;
            }
            final DomainBlockStats blockStats = dm.blockStats(disk.getDiskLabel());
            // for example, path = /mnt/pool_uuid/disk_path/
            final String path = disk.getDiskPath();
            String diskPath = null;
            if (path != null) {
                final String[] token = path.split("/");
                if (token.length > 3) {
                    diskPath = token[3];
                    final VmDiskStatsEntry stat = new VmDiskStatsEntry(vmName, diskPath, blockStats.wr_req, blockStats.rd_req, blockStats.wr_bytes, blockStats.rd_bytes);
                    stats.add(stat);
                }
            }
        }
        return stats;
    } finally {
        if (dm != null) {
            dm.free();
        }
    }
}

Example 3 with VmDiskStatsEntry

use of com.cloud.agent.api.VmDiskStatsEntry in project cloudstack by apache.

the class LibvirtGetVmDiskStatsCommandWrapper method execute.

@Override
public Answer execute(final GetVmDiskStatsCommand command, final LibvirtComputingResource libvirtComputingResource) {
    final List<String> vmNames = command.getVmNames();
    final LibvirtUtilitiesHelper libvirtUtilitiesHelper = libvirtComputingResource.getLibvirtUtilitiesHelper();
    try {
        final HashMap<String, List<VmDiskStatsEntry>> vmDiskStatsNameMap = new HashMap<String, List<VmDiskStatsEntry>>();
        final Connect conn = libvirtUtilitiesHelper.getConnection();
        for (final String vmName : vmNames) {
            try {
                final List<VmDiskStatsEntry> statEntry = libvirtComputingResource.getVmDiskStat(conn, vmName);
                if (statEntry == null) {
                    continue;
                }
                vmDiskStatsNameMap.put(vmName, statEntry);
            } catch (LibvirtException e) {
                s_logger.warn("Can't get vm disk stats: " + e.toString() + ", continue");
            }
        }
        return new GetVmDiskStatsAnswer(command, "", command.getHostName(), vmDiskStatsNameMap);
    } catch (final LibvirtException e) {
        s_logger.debug("Can't get vm disk stats: " + e.toString());
        return new GetVmDiskStatsAnswer(command, null, null, null);
    }
}

Example 4 with VmDiskStatsEntry

use of com.cloud.agent.api.VmDiskStatsEntry in project cloudstack by apache.

the class StatsCollectorTest method configureAndTestCheckIfDiskStatsAreZero.

@Test
@DataProvider({ "0,0,0,0,true", "1,0,0,0,false", "0,1,0,0,false", "0,0,1,0,false", "0,0,0,1,false", "1,0,0,1,false", "1,0,1,0,false", "1,1,0,0,false", "0,1,1,0,false", "0,1,0,1,false", "0,0,1,1,false", "0,1,1,1,false", "1,1,0,1,false", "1,0,1,1,false", "1,1,1,0,false", "1,1,1,1,false" })
public void configureAndTestCheckIfDiskStatsAreZero(long bytesRead, long bytesWrite, long ioRead, long ioWrite, boolean expected) {
    VmDiskStatsEntry vmDiskStatsEntry = new VmDiskStatsEntry();
    vmDiskStatsEntry.setBytesRead(bytesRead);
    vmDiskStatsEntry.setBytesWrite(bytesWrite);
    vmDiskStatsEntry.setIORead(ioRead);
    vmDiskStatsEntry.setIOWrite(ioWrite);
    boolean result = statsCollector.areAllDiskStatsZero(vmDiskStatsEntry);
    Assert.assertEquals(expected, result);
}

Example 5 with VmDiskStatsEntry

use of com.cloud.agent.api.VmDiskStatsEntry in project cosmic by MissionCriticalCloud.

the class LibvirtComputingResource method getVmDiskStat.

public List<VmDiskStatsEntry> getVmDiskStat(final Connect conn, final String vmName) throws LibvirtException {
    Domain dm = null;
    try {
        dm = getDomain(conn, vmName);
        final List<VmDiskStatsEntry> stats = new ArrayList<>();
        final List<LibvirtDiskDef> disks = getDisks(conn, vmName);
        for (final LibvirtDiskDef disk : disks) {
            if (disk.getDeviceType() != DeviceType.DISK) {
                break;
            }
            final DomainBlockStats blockStats = dm.blockStats(disk.getDiskLabel());
            // for example, path = /mnt/pool_uuid/disk_path/
            final String path = disk.getDiskPath();
            String diskPath = null;
            if (path != null) {
                final String[] token = path.split("/");
                if (token.length > 3) {
                    diskPath = token[3];
                    final VmDiskStatsEntry stat = new VmDiskStatsEntry(vmName, diskPath, blockStats.wr_req, blockStats.rd_req, blockStats.wr_bytes, blockStats.rd_bytes);
                    stats.add(stat);
                }
            }
        }
        return stats;
    } finally {
        if (dm != null) {
            dm.free();
        }
    }
}