Github user rafaelweingartner commented on a diff in the pull request: https://github.com/apache/cloudstack/pull/1403#discussion_r59078361 --- Diff: engine/storage/datamotion/src/org/apache/cloudstack/storage/motion/StorageSystemDataMotionStrategy.java --- @@ -172,78 +232,211 @@ private void validate(SnapshotInfo snapshotInfo) { } } - private Void handleCreateTemplateFromSnapshot(SnapshotInfo snapshotInfo, TemplateInfo templateInfo, AsyncCompletionCallback<CopyCommandResult> callback) { + private boolean usingBackendSnapshotFor(SnapshotInfo snapshotInfo) { + String property = getProperty(snapshotInfo.getId(), "takeSnapshot"); + + return Boolean.parseBoolean(property); + } + + private void handleCreateTemplateFromSnapshot(SnapshotInfo snapshotInfo, TemplateInfo templateInfo, AsyncCompletionCallback<CopyCommandResult> callback) { try { snapshotInfo.processEvent(Event.CopyingRequested); } catch (Exception ex) { throw new CloudRuntimeException("This snapshot is not currently in a state where it can be used to create a template."); } - HostVO hostVO = getHost(snapshotInfo.getDataStore().getId()); - DataStore srcDataStore = snapshotInfo.getDataStore(); - - String value = _configDao.getValue(Config.PrimaryStorageDownloadWait.toString()); - int primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue())); - CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), templateInfo.getTO(), primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value()); + HostVO hostVO = getHost(snapshotInfo); - String errMsg = null; + boolean usingBackendSnapshot = usingBackendSnapshotFor(snapshotInfo); + boolean computeClusterSupportsResign = computeClusterSupportsResign(hostVO.getClusterId()); - CopyCmdAnswer copyCmdAnswer = null; + if (usingBackendSnapshot && !computeClusterSupportsResign) { + throw new CloudRuntimeException("Unable to locate an applicable host with which to perform a resignature operation"); + } try { - _volumeService.grantAccess(snapshotInfo, hostVO, srcDataStore); + if (usingBackendSnapshot) { + createVolumeFromSnapshot(hostVO, snapshotInfo, true); + } - Map<String, String> srcDetails = getSnapshotDetails(_storagePoolDao.findById(srcDataStore.getId()), snapshotInfo); + DataStore srcDataStore = snapshotInfo.getDataStore(); - copyCommand.setOptions(srcDetails); + String value = _configDao.getValue(Config.PrimaryStorageDownloadWait.toString()); + int primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue())); + CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), templateInfo.getTO(), primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value()); + + String errMsg = null; + + CopyCmdAnswer copyCmdAnswer = null; - copyCmdAnswer = (CopyCmdAnswer)_agentMgr.send(hostVO.getId(), copyCommand); - } - catch (Exception ex) { - throw new CloudRuntimeException(ex.getMessage()); - } - finally { try { --- End diff -- I believe we can extract lines 273-288 to a method. Then, that block comment there can become a java doc. It would also enable the writing of a test case.
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