Examples with NamespaceDescriptor org.apache.hadoop.hbase.NamespaceDescriptor used on opensource projects

Example 66 with NamespaceDescriptor

use of org.apache.hadoop.hbase.NamespaceDescriptor in project hbase by apache.

the class AccessController method postListNamespaceDescriptors.

@Override
public void postListNamespaceDescriptors(ObserverContext<MasterCoprocessorEnvironment> ctx, List<NamespaceDescriptor> descriptors) throws IOException {
    // Retains only those which passes authorization checks, as the checks weren't done as part
    // of preGetTableDescriptors.
    Iterator<NamespaceDescriptor> itr = descriptors.iterator();
    User user = getActiveUser(ctx);
    while (itr.hasNext()) {
        NamespaceDescriptor desc = itr.next();
        try {
            accessChecker.requireNamespacePermission(user, "listNamespaces", desc.getName(), null, Action.ADMIN);
        } catch (AccessDeniedException e) {
            itr.remove();
        }
    }
}

Example 67 with NamespaceDescriptor

use of org.apache.hadoop.hbase.NamespaceDescriptor in project hbase by apache.

the class TestAsyncNamespaceAdminApi method testNamespaceOperations.

@Test
public void testNamespaceOperations() throws Exception {
    admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build()).join();
    admin.createNamespace(NamespaceDescriptor.create(prefix + "ns2").build()).join();
    // create namespace that already exists
    runWithExpectedException(new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            admin.createNamespace(NamespaceDescriptor.create(prefix + "ns1").build()).join();
            return null;
        }
    }, NamespaceExistException.class);
    // create a table in non-existing namespace
    runWithExpectedException(new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            TableDescriptorBuilder tableDescriptorBuilder = TableDescriptorBuilder.newBuilder(TableName.valueOf("non_existing_namespace", "table1"));
            ColumnFamilyDescriptor columnFamilyDescriptor = ColumnFamilyDescriptorBuilder.newBuilder(Bytes.toBytes("family1")).build();
            tableDescriptorBuilder.setColumnFamily(columnFamilyDescriptor);
            admin.createTable(tableDescriptorBuilder.build()).join();
            return null;
        }
    }, NamespaceNotFoundException.class);
    // get descriptor for existing namespace
    NamespaceDescriptor ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
    assertEquals(prefix + "ns1", ns1.getName());
    // get descriptor for non-existing namespace
    runWithExpectedException(new Callable<NamespaceDescriptor>() {

        @Override
        public NamespaceDescriptor call() throws Exception {
            return admin.getNamespaceDescriptor("non_existing_namespace").get();
        }
    }, NamespaceNotFoundException.class);
    // delete descriptor for existing namespace
    admin.deleteNamespace(prefix + "ns2").join();
    // delete descriptor for non-existing namespace
    runWithExpectedException(new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            admin.deleteNamespace("non_existing_namespace").join();
            return null;
        }
    }, NamespaceNotFoundException.class);
    // modify namespace descriptor for existing namespace
    ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
    ns1.setConfiguration("foo", "bar");
    admin.modifyNamespace(ns1).join();
    ns1 = admin.getNamespaceDescriptor(prefix + "ns1").get();
    assertEquals("bar", ns1.getConfigurationValue("foo"));
    // modify namespace descriptor for non-existing namespace
    runWithExpectedException(new Callable<Void>() {

        @Override
        public Void call() throws Exception {
            admin.modifyNamespace(NamespaceDescriptor.create("non_existing_namespace").build()).join();
            return null;
        }
    }, NamespaceNotFoundException.class);
    admin.deleteNamespace(prefix + "ns1").join();
}

Example 68 with NamespaceDescriptor

use of org.apache.hadoop.hbase.NamespaceDescriptor in project hbase by apache.

the class MasterRpcServices method getConfiguredNamespacesAndTablesInRSGroup.

@Override
public GetConfiguredNamespacesAndTablesInRSGroupResponse getConfiguredNamespacesAndTablesInRSGroup(RpcController controller, GetConfiguredNamespacesAndTablesInRSGroupRequest request) throws ServiceException {
    GetConfiguredNamespacesAndTablesInRSGroupResponse.Builder builder = GetConfiguredNamespacesAndTablesInRSGroupResponse.newBuilder();
    String groupName = request.getGroupName();
    LOG.info(server.getClientIdAuditPrefix() + " get configured namespaces and tables in rsgroup " + groupName);
    try {
        if (server.getMasterCoprocessorHost() != null) {
            server.getMasterCoprocessorHost().preGetConfiguredNamespacesAndTablesInRSGroup(groupName);
        }
        for (NamespaceDescriptor nd : server.getClusterSchema().getNamespaces()) {
            if (groupName.equals(nd.getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP))) {
                builder.addNamespace(nd.getName());
            }
        }
        for (TableDescriptor td : server.getTableDescriptors().getAll().values()) {
            if (td.getRegionServerGroup().map(g -> g.equals(groupName)).orElse(false)) {
                builder.addTableName(ProtobufUtil.toProtoTableName(td.getTableName()));
            }
        }
        if (server.getMasterCoprocessorHost() != null) {
            server.getMasterCoprocessorHost().postGetConfiguredNamespacesAndTablesInRSGroup(groupName);
        }
    } catch (IOException e) {
        throw new ServiceException(e);
    }
    return builder.build();
}

Example 69 with NamespaceDescriptor

use of org.apache.hadoop.hbase.NamespaceDescriptor in project hbase by apache.

the class HMaster method getNamespace.

/**
 * Get a Namespace
 * @param name Name of the Namespace
 * @return Namespace descriptor for <code>name</code>
 */
NamespaceDescriptor getNamespace(String name) throws IOException {
    checkInitialized();
    if (this.cpHost != null)
        this.cpHost.preGetNamespaceDescriptor(name);
    NamespaceDescriptor nsd = this.clusterSchemaService.getNamespace(name);
    if (this.cpHost != null)
        this.cpHost.postGetNamespaceDescriptor(nsd);
    return nsd;
}

Example 70 with NamespaceDescriptor

use of org.apache.hadoop.hbase.NamespaceDescriptor in project hbase by apache.

the class BackupSystemTable method verifyNamespaceExists.

private void verifyNamespaceExists(Admin admin) throws IOException {
    String namespaceName = tableName.getNamespaceAsString();
    NamespaceDescriptor ns = NamespaceDescriptor.create(namespaceName).build();
    NamespaceDescriptor[] list = admin.listNamespaceDescriptors();
    boolean exists = false;
    for (NamespaceDescriptor nsd : list) {
        if (nsd.getName().equals(ns.getName())) {
            exists = true;
            break;
        }
    }
    if (!exists) {
        admin.createNamespace(ns);
    }
}