Examples with DatasetMeta io.cdap.cdap.proto.DatasetMeta used on opensource projects

Example 21 with DatasetMeta

use of io.cdap.cdap.proto.DatasetMeta in project cdap by cdapio.

the class DatasetInstanceService method get.

/**
 * Gets the metadata for a dataset instance.
 *
 * @param instance instance to get
 * @return the dataset instance's {@link DatasetMeta}
 * @throws NotFoundException if either the namespace or dataset instance is not found,
 * @throws IOException if there is a problem in making an HTTP request to check if the namespace exists
 * @throws UnauthorizedException if perimeter security and authorization are enabled, and the current user does not
 *  have any privileges on the #instance
 */
DatasetMeta get(final DatasetId instance) throws Exception {
    // ensure user has correct privileges before getting the meta if the dataset is not a system dataset
    if (!DatasetsUtil.isSystemDatasetInUserNamespace(instance)) {
        LOG.trace("Authorizing GET for dataset {}", instance.getDataset());
        accessEnforcer.enforce(instance, authenticationContext.getPrincipal(), StandardPermission.GET);
        LOG.trace("Authorized GET for dataset {}", instance.getDataset());
    }
    // Application Deployment first makes a call to the dataset service to check if the instance already exists with
    // a different type. To make sure that that call responds with the right exceptions if necessary, first fetch the
    // meta from the cache and throw appropriate exceptions if necessary.
    DatasetMeta datasetMeta;
    try {
        LOG.trace("Retrieving instance metadata from cache for dataset {}", instance.getDataset());
        datasetMeta = metaCache.get(instance);
        LOG.trace("Retrieved instance metadata from cache for dataset {}", instance.getDataset());
    } catch (ExecutionException e) {
        Throwable cause = e.getCause();
        if ((cause instanceof Exception) && (cause instanceof HttpErrorStatusProvider)) {
            throw (Exception) cause;
        }
        throw e;
    }
    return datasetMeta;
}

Example 22 with DatasetMeta

use of io.cdap.cdap.proto.DatasetMeta in project cdap by cdapio.

the class RemoteDatasetFramework method getAdmin.

@Nullable
@Override
public <T extends DatasetAdmin> T getAdmin(DatasetId datasetInstanceId, @Nullable ClassLoader parentClassLoader, DatasetClassLoaderProvider classLoaderProvider) throws DatasetManagementException, IOException {
    DatasetMeta instanceInfo = callWithRetries(() -> clientCache.getUnchecked(datasetInstanceId.getParent()).getInstance(datasetInstanceId.getEntityName()));
    if (instanceInfo == null) {
        return null;
    }
    DatasetType type = getType(instanceInfo.getType(), parentClassLoader, classLoaderProvider);
    return (T) type.getAdmin(DatasetContext.from(datasetInstanceId.getNamespace()), instanceInfo.getSpec());
}

Example 23 with DatasetMeta

use of io.cdap.cdap.proto.DatasetMeta in project cdap by cdapio.

the class DatasetInstanceHandlerTest method testUpdateInstance.

@Test
public void testUpdateInstance() throws Exception {
    // nothing has been created, modules and types list is empty
    List<DatasetSpecificationSummary> instances = getInstances().getResponseObject();
    // nothing in the beginning
    Assert.assertEquals(0, instances.size());
    try {
        DatasetProperties props = DatasetProperties.builder().add("prop1", "val1").add(TestModule2.NOT_RECONFIGURABLE, "this").build();
        // deploy modules
        deployModule("module1", TestModule1.class);
        deployModule("module2", TestModule2.class);
        // create dataset instance
        Assert.assertEquals(HttpStatus.SC_OK, createInstance("dataset1", "datasetType2", props).getResponseCode());
        // verify instance was created
        instances = getInstances().getResponseObject();
        Assert.assertEquals(1, instances.size());
        DatasetMeta meta = getInstanceObject("dataset1").getResponseObject();
        Map<String, String> storedOriginalProps = meta.getSpec().getOriginalProperties();
        Assert.assertEquals(props.getProperties(), storedOriginalProps);
        Map<String, String> retrievedProps = getInstanceProperties("dataset1").getResponseObject();
        Assert.assertEquals(props.getProperties(), retrievedProps);
        // these properties are incompatible because TestModule1.NOT_RECONFIGURABLE may not change
        DatasetProperties newProps = DatasetProperties.builder().add("prop2", "val2").add(TestModule2.NOT_RECONFIGURABLE, "that").build();
        Assert.assertEquals(HttpStatus.SC_CONFLICT, updateInstance("dataset1", newProps).getResponseCode());
        // update dataset instance with valid properties
        newProps = DatasetProperties.builder().add("prop2", "val2").add(TestModule2.NOT_RECONFIGURABLE, "this").build();
        Assert.assertEquals(HttpStatus.SC_OK, updateInstance("dataset1", newProps).getResponseCode());
        meta = getInstanceObject("dataset1").getResponseObject();
        Assert.assertEquals(newProps.getProperties(), meta.getSpec().getOriginalProperties());
        Assert.assertEquals("val2", meta.getSpec().getProperty("prop2"));
        Assert.assertNull(meta.getSpec().getProperty("prop1"));
        retrievedProps = getInstanceProperties("dataset1").getResponseObject();
        Assert.assertEquals(newProps.getProperties(), retrievedProps);
    } finally {
        // delete dataset instance
        Assert.assertEquals(HttpStatus.SC_OK, deleteInstance("dataset1").getResponseCode());
        Assert.assertEquals(0, getInstances().getResponseObject().size());
        // delete dataset modules
        Assert.assertEquals(HttpStatus.SC_OK, deleteModule("module2").getResponseCode());
        Assert.assertEquals(HttpStatus.SC_OK, deleteModule("module1").getResponseCode());
    }
}

Example 24 with DatasetMeta

use of io.cdap.cdap.proto.DatasetMeta in project cdap by cdapio.

the class DatasetInstanceHandlerTest method testOwner.

@Test
public void testOwner() throws Exception {
    // deploy modules
    deployModule("module1", TestModule1.class);
    // should not be able to create a dataset with invalid kerberos principal format
    HttpResponse response = createInstance(NamespaceId.DEFAULT.dataset("ownedDataset"), "datasetType1", null, DatasetProperties.EMPTY, "alice/bob/somehost.net@somekdc.net");
    Assert.assertEquals(HttpStatus.SC_BAD_REQUEST, response.getResponseCode());
    // should be able to create a dataset with valid kerberos principal format
    String alicePrincipal = "alice/somehost.net@somekdc.net";
    response = createInstance(NamespaceId.DEFAULT.dataset("ownedDataset"), "datasetType1", null, DatasetProperties.EMPTY, alicePrincipal);
    Assert.assertEquals(HttpStatus.SC_OK, response.getResponseCode());
    // owner information should have stored
    Assert.assertEquals(alicePrincipal, ownerAdmin.getOwnerPrincipal(NamespaceId.DEFAULT.dataset("ownedDataset")));
    // should be able to retrieve owner information back
    DatasetMeta meta = getInstanceObject("ownedDataset").getResponseObject();
    Assert.assertEquals(alicePrincipal, meta.getOwnerPrincipal());
    // deleting the dataset should delete the owner information
    response = deleteInstance(NamespaceId.DEFAULT.dataset("ownedDataset"));
    Assert.assertEquals(HttpStatus.SC_OK, response.getResponseCode());
    Assert.assertNull(ownerAdmin.getOwner(NamespaceId.DEFAULT.dataset("ownedDataset")));
}