sentry-hdfs/sentry-hdfs-common/src/main/java/org/apache/sentry/hdfs/ServiceConstants.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.sentry.hdfs;

public class ServiceConstants {

  // number used in authz paths and permissions to request initial syncs
  static final long SEQUENCE_NUMBER_UPDATE_UNINITIALIZED = -1L;

  // number used in authz paths and permissions to request initial syncs
  static final long IMAGE_NUMBER_UPDATE_UNINITIALIZED = 0L;

  static final long SEQUENCE_NUMBER_FULL_UPDATE_REQUEST = SEQUENCE_NUMBER_UPDATE_UNINITIALIZED + 1;

  public static class ServerConfig {
    /**
     * This configuration parameter is only meant to be used for testing purposes.
     */
    public static final String SENTRY_HDFS_SYNC_METASTORE_CACHE_INIT_THREADS = "sentry.hdfs.sync.metastore.cache.init.threads";
    public static final int SENTRY_HDFS_SYNC_METASTORE_CACHE_INIT_THREADS_DEFAULT = 10;
    public static final String SENTRY_HDFS_SYNC_METASTORE_CACHE_RETRY_MAX_NUM = "sentry.hdfs.sync.metastore.cache.retry.max.num";
    public static final int SENTRY_HDFS_SYNC_METASTORE_CACHE_RETRY_MAX_NUM_DEFAULT = 1;
    public static final String SENTRY_HDFS_SYNC_METASTORE_CACHE_RETRY_WAIT_DURAION_IN_MILLIS = "sentry.hdfs.sync.metastore.cache.retry.wait.duration.millis";
    public static final int SENTRY_HDFS_SYNC_METASTORE_CACHE_RETRY_WAIT_DURAION_IN_MILLIS_DEFAULT = 1000;

    public static final String SENTRY_HDFS_SYNC_METASTORE_CACHE_MAX_PART_PER_RPC = "sentry.hdfs.sync.metastore.cache.max-partitions-per-rpc";
    public static final int SENTRY_HDFS_SYNC_METASTORE_CACHE_MAX_PART_PER_RPC_DEFAULT = 100;
    public static final String SENTRY_HDFS_SYNC_METASTORE_CACHE_MAX_TABLES_PER_RPC = "sentry.hdfs.sync.metastore.cache.max-tables-per-rpc";
    public static final int SENTRY_HDFS_SYNC_METASTORE_CACHE_MAX_TABLES_PER_RPC_DEFAULT = 100;
    static final String SENTRY_SERVICE_FULL_UPDATE_SIGNAL = "sentry.hdfs.sync.full-update-signal";
    public static final String SENTRY_SERVICE_FULL_UPDATE_PUBSUB = "sentry.hdfs.sync.full-update-pubsub";

    public static final String SENTRY_HDFS_INTEGRATION_PATH_PREFIXES = "sentry.hdfs.integration.path.prefixes";
    public static final String[] SENTRY_HDFS_INTEGRATION_PATH_PREFIXES_DEFAULT =
            new String[]{"/user/hive/warehouse"};
  }

  public static class ClientConfig {

    public static final String SECURITY_MODE = "sentry.hdfs.service.security.mode";
    static final String SECURITY_MODE_KERBEROS = "kerberos";
    static final String SECURITY_USE_UGI_TRANSPORT = "sentry.hdfs.service.security.use.ugi";
    public static final String PRINCIPAL = "sentry.hdfs.service.server.principal";

    public static final String SERVER_RPC_PORT = "sentry.hdfs.service.client.server.rpc-port";
  
    public static final String SERVER_RPC_ADDRESS = "sentry.hdfs.service.client.server.rpc-addresses";

    static final String USE_COMPACT_TRANSPORT = "sentry.hdfs.service.client.compact.transport";
    static final boolean USE_COMPACT_TRANSPORT_DEFAULT = false;

    // max message size for thrift messages
    static final String SENTRY_HDFS_THRIFT_MAX_MESSAGE_SIZE = "sentry.hdfs.thrift.max.message.size";
    static final long SENTRY_HDFS_THRIFT_MAX_MESSAGE_SIZE_DEFAULT = 100 * 1024 * 1024;
  }
}