@Override public void handleVolumeSync(HostVO ssHost) { if (ssHost == null) { s_logger.warn("Huh? ssHost is null"); return; } long sserverId = ssHost.getId(); if (!(ssHost.getType() == Host.Type.SecondaryStorage || ssHost.getType() == Host.Type.LocalSecondaryStorage)) { s_logger.warn("Huh? Agent id " + sserverId + " is not secondary storage host"); return; } Map<Long, TemplateInfo> volumeInfos = listVolume(ssHost); if (volumeInfos == null) { return; } List<VolumeHostVO> dbVolumes = _volumeHostDao.listBySecStorage(sserverId); List<VolumeHostVO> toBeDownloaded = new ArrayList<VolumeHostVO>(dbVolumes); for (VolumeHostVO volumeHost : dbVolumes) { VolumeVO volume = _volumeDao.findById(volumeHost.getVolumeId()); // Exists then don't download if (volumeInfos.containsKey(volume.getId())) { TemplateInfo volInfo = volumeInfos.remove(volume.getId()); toBeDownloaded.remove(volumeHost); s_logger.info( "Volume Sync found " + volume.getUuid() + " already in the volume host table"); if (volumeHost.getDownloadState() != Status.DOWNLOADED) { volumeHost.setErrorString(""); } if (volInfo.isCorrupted()) { volumeHost.setDownloadState(Status.DOWNLOAD_ERROR); String msg = "Volume " + volume.getUuid() + " is corrupted on secondary storage "; volumeHost.setErrorString(msg); s_logger.info("msg"); if (volumeHost.getDownloadUrl() == null) { msg = "Volume (" + volume.getUuid() + ") with install path " + volInfo.getInstallPath() + "is corrupted, please check in secondary storage: " + volumeHost.getHostId(); s_logger.warn(msg); } else { toBeDownloaded.add(volumeHost); } } else { // Put them in right status volumeHost.setDownloadPercent(100); volumeHost.setDownloadState(Status.DOWNLOADED); volumeHost.setInstallPath(volInfo.getInstallPath()); volumeHost.setSize(volInfo.getSize()); volumeHost.setPhysicalSize(volInfo.getPhysicalSize()); volumeHost.setLastUpdated(new Date()); _volumeHostDao.update(volumeHost.getId(), volumeHost); if (volume.getSize() == 0) { // Set volume size in volumes table volume.setSize(volInfo.getSize()); _volumeDao.update(volumeHost.getVolumeId(), volume); } if (volInfo.getSize() > 0) { try { String url = _volumeHostDao.findByVolumeId(volume.getId()).getDownloadUrl(); _resourceLimitMgr.checkResourceLimit( _accountMgr.getAccount(volume.getAccountId()), com.cloud.configuration.Resource.ResourceType.secondary_storage, volInfo.getSize() - UriUtils.getRemoteSize(url)); } catch (ResourceAllocationException e) { s_logger.warn(e.getMessage()); _alertMgr.sendAlert( _alertMgr.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED, volume.getDataCenterId(), volume.getPodId(), e.getMessage(), e.getMessage()); } finally { _resourceLimitMgr.recalculateResourceCount( volume.getAccountId(), volume.getDomainId(), com.cloud.configuration.Resource.ResourceType.secondary_storage.getOrdinal()); } } } continue; } // Volume is not on secondary but we should download. if (volumeHost.getDownloadState() != Status.DOWNLOADED) { s_logger.info( "Volume Sync did not find " + volume.getName() + " ready on server " + sserverId + ", will request download to start/resume shortly"); toBeDownloaded.add(volumeHost); } } // Download volumes which haven't been downloaded yet. if (toBeDownloaded.size() > 0) { for (VolumeHostVO volumeHost : toBeDownloaded) { if (volumeHost.getDownloadUrl() == null) { // If url is null we can't initiate the download continue; } s_logger.debug( "Volume " + volumeHost.getVolumeId() + " needs to be downloaded to " + ssHost.getName()); downloadVolumeToStorage( _volumeDao.findById(volumeHost.getVolumeId()), ssHost, volumeHost.getDownloadUrl(), volumeHost.getChecksum(), volumeHost.getFormat()); } } // Delete volumes which are not present on DB. for (Long uniqueName : volumeInfos.keySet()) { TemplateInfo vInfo = volumeInfos.get(uniqueName); DeleteVolumeCommand dtCommand = new DeleteVolumeCommand(ssHost.getStorageUrl(), vInfo.getInstallPath()); try { _agentMgr.sendToSecStorage(ssHost, dtCommand, null); } catch (AgentUnavailableException e) { String err = "Failed to delete " + vInfo.getTemplateName() + " on secondary storage " + sserverId + " which isn't in the database"; s_logger.error(err); return; } String description = "Deleted volume " + vInfo.getTemplateName() + " on secondary storage " + sserverId + " since it isn't in the database"; s_logger.info(description); } }