Examples with DatasetAlreadyExistsException co.cask.cdap.common.DatasetAlreadyExistsException used on opensource projects

Example 1 with DatasetAlreadyExistsException

use of co.cask.cdap.common.DatasetAlreadyExistsException in project cdap by caskdata.

the class DatasetInstanceService method create.

/**
 * Creates a dataset instance.
 *
 * @param namespaceId the namespace to create the dataset instance in
 * @param name the name of the new dataset instance
 * @param props the properties for the new dataset instance
 * @throws NamespaceNotFoundException if the specified namespace was not found
 * @throws DatasetAlreadyExistsException if a dataset with the same name already exists
 * @throws DatasetTypeNotFoundException if the dataset type was not found
 * @throws UnauthorizedException if perimeter security and authorization are enabled, and the current user does not
 *  have {@link Action#WRITE} privilege on the #instance's namespace
 */
void create(String namespaceId, String name, DatasetInstanceConfiguration props) throws Exception {
    NamespaceId namespace = ConversionHelpers.toNamespaceId(namespaceId);
    DatasetId datasetId = ConversionHelpers.toDatasetInstanceId(namespaceId, name);
    Principal requestingUser = authenticationContext.getPrincipal();
    String ownerPrincipal = props.getOwnerPrincipal();
    // need to enforce on the principal id if impersonation is involved
    KerberosPrincipalId effectiveOwner = SecurityUtil.getEffectiveOwner(ownerAdmin, namespace, ownerPrincipal);
    if (!DatasetsUtil.isSystemDatasetInUserNamespace(datasetId)) {
        if (effectiveOwner != null) {
            authorizationEnforcer.enforce(effectiveOwner, requestingUser, Action.ADMIN);
        }
        authorizationEnforcer.enforce(datasetId, requestingUser, Action.ADMIN);
    }
    ensureNamespaceExists(namespace);
    DatasetSpecification existing = instanceManager.get(datasetId);
    if (existing != null) {
        throw new DatasetAlreadyExistsException(datasetId);
    }
    // for creation, we need enforcement for dataset type for user dataset, but bypass for system datasets
    DatasetTypeMeta typeMeta = getTypeInfo(namespace, props.getTypeName(), DatasetsUtil.isSystemDatasetInUserNamespace(datasetId));
    if (typeMeta == null) {
        // Type not found in the instance's namespace and the system namespace. Bail out.
        throw new DatasetTypeNotFoundException(ConversionHelpers.toDatasetTypeId(namespace, props.getTypeName()));
    }
    LOG.info("Creating dataset {}.{}, type name: {}, properties: {}", namespaceId, name, props.getTypeName(), props.getProperties());
    // exists or not
    if (ownerPrincipal != null) {
        KerberosPrincipalId owner = new KerberosPrincipalId(ownerPrincipal);
        ownerAdmin.add(datasetId, owner);
    }
    try {
        DatasetSpecification spec = opExecutorClient.create(datasetId, typeMeta, DatasetProperties.builder().addAll(props.getProperties()).setDescription(props.getDescription()).build());
        instanceManager.add(namespace, spec);
        metaCache.invalidate(datasetId);
        publishAudit(datasetId, AuditType.CREATE);
        // Enable explore
        enableExplore(datasetId, spec, props);
    } catch (Exception e) {
        // there was a problem in creating the dataset instance so delete the owner if it got added earlier
        // safe to call for entities which does not have an owner too
        ownerAdmin.delete(datasetId);
        throw e;
    }
}

Example 2 with DatasetAlreadyExistsException

use of co.cask.cdap.common.DatasetAlreadyExistsException in project cdap by caskdata.

the class DatasetClient method create.

/**
 * Creates a dataset.
 *
 * @param instance ID of the dataset instance
 * @param properties properties of the dataset to create
 * @throws DatasetTypeNotFoundException if the desired dataset type was not found
 * @throws DatasetAlreadyExistsException if a dataset by the same name already exists
 * @throws IOException if a network error occurred
 * @throws UnauthenticatedException if the request is not authorized successfully in the gateway server
 */
public void create(DatasetId instance, DatasetInstanceConfiguration properties) throws DatasetTypeNotFoundException, DatasetAlreadyExistsException, IOException, UnauthenticatedException, UnauthorizedException {
    URL url = config.resolveNamespacedURLV3(instance.getParent(), String.format("data/datasets/%s", instance.getDataset()));
    HttpRequest request = HttpRequest.put(url).withBody(GSON.toJson(properties)).build();
    HttpResponse response = restClient.execute(request, config.getAccessToken(), HttpURLConnection.HTTP_NOT_FOUND, HttpURLConnection.HTTP_CONFLICT);
    if (response.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) {
        throw new DatasetTypeNotFoundException(instance.getParent().datasetType(properties.getTypeName()));
    } else if (response.getResponseCode() == HttpURLConnection.HTTP_CONFLICT) {
        throw new DatasetAlreadyExistsException(instance);
    }
}

Example 3 with DatasetAlreadyExistsException

use of co.cask.cdap.common.DatasetAlreadyExistsException in project cdap by caskdata.

the class DatasetInstanceHandler method create.

/**
   * Creates a new dataset instance.
   *
   * @param namespaceId namespace of the new dataset instance
   * @param name name of the new dataset instance
   */
@PUT
@Path("/data/datasets/{name}")
@AuditPolicy(AuditDetail.REQUEST_BODY)
public void create(HttpRequest request, HttpResponder responder, @PathParam("namespace-id") String namespaceId, @PathParam("name") String name) throws Exception {
    DatasetInstanceConfiguration creationProperties = ConversionHelpers.getInstanceConfiguration(request);
    try {
        instanceService.create(namespaceId, name, creationProperties);
        responder.sendStatus(HttpResponseStatus.OK);
    } catch (DatasetAlreadyExistsException e) {
        responder.sendString(HttpResponseStatus.CONFLICT, e.getMessage());
    } catch (DatasetTypeNotFoundException e) {
        responder.sendString(HttpResponseStatus.NOT_FOUND, e.getMessage());
    } catch (HandlerException e) {
        responder.sendString(e.getFailureStatus(), e.getMessage());
    }
}

Example 4 with DatasetAlreadyExistsException

use of co.cask.cdap.common.DatasetAlreadyExistsException in project cdap by caskdata.

the class DatasetInstanceHandler method create.

/**
 * Creates a new dataset instance.
 *
 * @param namespaceId namespace of the new dataset instance
 * @param name name of the new dataset instance
 */
@PUT
@Path("/data/datasets/{name}")
@AuditPolicy(AuditDetail.REQUEST_BODY)
public void create(FullHttpRequest request, HttpResponder responder, @PathParam("namespace-id") String namespaceId, @PathParam("name") String name) throws Exception {
    DatasetInstanceConfiguration creationProperties = ConversionHelpers.getInstanceConfiguration(request);
    try {
        instanceService.create(namespaceId, name, creationProperties);
        responder.sendStatus(HttpResponseStatus.OK);
    } catch (DatasetAlreadyExistsException e) {
        responder.sendString(HttpResponseStatus.CONFLICT, e.getMessage());
    } catch (DatasetTypeNotFoundException e) {
        responder.sendString(HttpResponseStatus.NOT_FOUND, e.getMessage());
    } catch (HandlerException e) {
        responder.sendString(e.getFailureStatus(), e.getMessage());
    }
}