Examples with DatasetCreationSpec co.cask.cdap.internal.dataset.DatasetCreationSpec used on opensource projects

Example 1 with DatasetCreationSpec

use of co.cask.cdap.internal.dataset.DatasetCreationSpec in project cdap by caskdata.

the class WorkflowHttpHandler method getWorkflowLocalDatasets.

@GET
@Path("/apps/{app-id}/workflows/{workflow-id}/runs/{run-id}/localdatasets")
public void getWorkflowLocalDatasets(HttpRequest request, HttpResponder responder, @PathParam("namespace-id") String namespaceId, @PathParam("app-id") String applicationId, @PathParam("workflow-id") String workflowId, @PathParam("run-id") String runId) throws NotFoundException, DatasetManagementException {
    WorkflowSpecification workflowSpec = getWorkflowSpecForValidRun(namespaceId, applicationId, workflowId, runId);
    Map<String, DatasetSpecificationSummary> localDatasetSummaries = new HashMap<>();
    for (Map.Entry<String, DatasetCreationSpec> localDatasetEntry : workflowSpec.getLocalDatasetSpecs().entrySet()) {
        String mappedDatasetName = localDatasetEntry.getKey() + "." + runId;
        String datasetType = localDatasetEntry.getValue().getTypeName();
        Map<String, String> datasetProperties = localDatasetEntry.getValue().getProperties().getProperties();
        if (datasetFramework.hasInstance(new DatasetId(namespaceId, mappedDatasetName))) {
            localDatasetSummaries.put(localDatasetEntry.getKey(), new DatasetSpecificationSummary(mappedDatasetName, datasetType, datasetProperties));
        }
    }
    responder.sendJson(HttpResponseStatus.OK, localDatasetSummaries);
}

Example 2 with DatasetCreationSpec

use of co.cask.cdap.internal.dataset.DatasetCreationSpec in project cdap by caskdata.

the class WorkflowHttpHandler method deleteWorkflowLocalDatasets.

@DELETE
@Path("/apps/{app-id}/workflows/{workflow-id}/runs/{run-id}/localdatasets")
public void deleteWorkflowLocalDatasets(HttpRequest request, HttpResponder responder, @PathParam("namespace-id") String namespaceId, @PathParam("app-id") String applicationId, @PathParam("workflow-id") String workflowId, @PathParam("run-id") String runId) throws NotFoundException {
    WorkflowSpecification workflowSpec = getWorkflowSpecForValidRun(namespaceId, applicationId, workflowId, runId);
    Set<String> errorOnDelete = new HashSet<>();
    for (Map.Entry<String, DatasetCreationSpec> localDatasetEntry : workflowSpec.getLocalDatasetSpecs().entrySet()) {
        String mappedDatasetName = localDatasetEntry.getKey() + "." + runId;
        // try best to delete the local datasets.
        try {
            datasetFramework.deleteInstance(new DatasetId(namespaceId, mappedDatasetName));
        } catch (InstanceNotFoundException e) {
        // Dataset instance is already deleted. so its no-op.
        } catch (Throwable t) {
            errorOnDelete.add(mappedDatasetName);
            LOG.error("Failed to delete the Workflow local dataset {}. Reason - {}", mappedDatasetName, t.getMessage());
        }
    }
    if (errorOnDelete.isEmpty()) {
        responder.sendStatus(HttpResponseStatus.OK);
        return;
    }
    String errorMessage = "Failed to delete Workflow local datasets - " + Joiner.on(",").join(errorOnDelete);
    throw new RuntimeException(errorMessage);
}

Example 3 with DatasetCreationSpec

use of co.cask.cdap.internal.dataset.DatasetCreationSpec in project cdap by caskdata.

the class WorkflowDriver method createLocalDatasets.

private void createLocalDatasets() throws IOException, DatasetManagementException {
    String principal = programOptions.getArguments().getOption(ProgramOptionConstants.PRINCIPAL);
    final KerberosPrincipalId principalId = principal == null ? null : new KerberosPrincipalId(principal);
    for (final Map.Entry<String, String> entry : datasetFramework.getDatasetNameMapping().entrySet()) {
        final String localInstanceName = entry.getValue();
        final DatasetId instanceId = new DatasetId(workflowRunId.getNamespace(), localInstanceName);
        final DatasetCreationSpec instanceSpec = workflowSpec.getLocalDatasetSpecs().get(entry.getKey());
        LOG.debug("Adding Workflow local dataset instance: {}", localInstanceName);
        try {
            Retries.callWithRetries(new Retries.Callable<Void, Exception>() {

                @Override
                public Void call() throws Exception {
                    datasetFramework.addInstance(instanceSpec.getTypeName(), instanceId, addLocalDatasetProperty(instanceSpec.getProperties()), principalId);
                    return null;
                }
            }, RetryStrategies.fixDelay(Constants.Retry.LOCAL_DATASET_OPERATION_RETRY_DELAY_SECONDS, TimeUnit.SECONDS));
        } catch (IOException | DatasetManagementException e) {
            throw e;
        } catch (Exception e) {
            // this should never happen
            throw new IllegalStateException(e);
        }
    }
}

Example 4 with DatasetCreationSpec

use of co.cask.cdap.internal.dataset.DatasetCreationSpec in project cdap by caskdata.

the class DatasetInstanceCreator method createInstances.

/**
   * Receives an input containing application specification and location
   * and verifies both.
   *
   * @param namespaceId the namespace to create the dataset instance in
   * @param datasets the datasets to create
   * @param ownerPrincipal the principal of the owner for the datasets to be created.
   */
void createInstances(NamespaceId namespaceId, Map<String, DatasetCreationSpec> datasets, @Nullable KerberosPrincipalId ownerPrincipal) throws Exception {
    // create dataset instances
    for (Map.Entry<String, DatasetCreationSpec> instanceEntry : datasets.entrySet()) {
        String instanceName = instanceEntry.getKey();
        DatasetId instanceId = namespaceId.dataset(instanceName);
        DatasetCreationSpec instanceSpec = instanceEntry.getValue();
        DatasetSpecification existingSpec = datasetFramework.getDatasetSpec(instanceId);
        if (existingSpec == null) {
            LOG.info("Adding dataset instance: {}", instanceName);
            datasetFramework.addInstance(instanceSpec.getTypeName(), instanceId, instanceSpec.getProperties(), ownerPrincipal);
        } else {
            if (!existingSpec.getType().equals(instanceSpec.getTypeName())) {
                throw new IncompatibleUpdateException(String.format("Existing dataset '%s' of type '%s' may not be updated to type '%s'", instanceName, existingSpec.getType(), instanceSpec.getTypeName()));
            }
            if (allowDatasetUncheckedUpgrade) {
                LOG.info("Updating dataset instance: {}", instanceName);
                datasetFramework.updateInstance(instanceId, instanceSpec.getProperties());
            }
        }
    }
}

Example 5 with DatasetCreationSpec

use of co.cask.cdap.internal.dataset.DatasetCreationSpec in project cdap by caskdata.

the class DefaultWorkflowConfigurer method createLocalDataset.

@Override
public void createLocalDataset(String datasetName, String typeName, DatasetProperties properties) {
    checkArgument(datasetName != null, "Dataset instance name cannot be null.");
    checkArgument(typeName != null, "Dataset type name cannot be null.");
    checkArgument(properties != null, "Instance properties name cannot be null.");
    DatasetCreationSpec spec = new DatasetCreationSpec(datasetName, typeName, properties);
    DatasetCreationSpec existingSpec = localDatasetSpecs.get(datasetName);
    if (existingSpec != null && !existingSpec.equals(spec)) {
        throw new IllegalArgumentException(String.format("DatasetInstance '%s' was added multiple times with" + " different specifications. Please resolve the conflict so" + " that there is only one specification for the local dataset" + " instance in the Workflow.", datasetName));
    }
    localDatasetSpecs.put(datasetName, spec);
}