| /* |
| * 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.hadoop.registry.client.impl.zk; |
| |
| import org.apache.zookeeper.ZooDefs; |
| |
| /** |
| * Internal constants for the registry. |
| * |
| * These are the things which aren't visible to users. |
| * |
| */ |
| public interface RegistryInternalConstants { |
| |
| /** |
| * Pattern of a single entry in the registry path. : {@value}. |
| * <p> |
| * This is what constitutes a valid hostname according to current RFCs. |
| * Alphanumeric first two and last one digit, alphanumeric |
| * and hyphens allowed in between. |
| * <p> |
| * No upper limit is placed on the size of an entry. |
| */ |
| String VALID_PATH_ENTRY_PATTERN = |
| "([a-z0-9]|[a-z0-9][a-z0-9\\-]*[a-z0-9])"; |
| |
| /** |
| * Permissions for readers: {@value}. |
| */ |
| int PERMISSIONS_REGISTRY_READERS = ZooDefs.Perms.READ; |
| |
| /** |
| * Permissions for system services: {@value} |
| */ |
| int PERMISSIONS_REGISTRY_SYSTEM_SERVICES = ZooDefs.Perms.ALL; |
| |
| /** |
| * Permissions for a user's root entry: {@value}. |
| * All except the admin permissions (ACL access) on a node |
| */ |
| int PERMISSIONS_REGISTRY_USER_ROOT = |
| ZooDefs.Perms.READ | ZooDefs.Perms.WRITE | ZooDefs.Perms.CREATE | |
| ZooDefs.Perms.DELETE; |
| |
| /** |
| * Name of the SASL auth provider which has to be added to ZK server to enable |
| * sasl: auth patterns: {@value}. |
| * |
| * Without this callers can connect via SASL, but |
| * they can't use it in ACLs |
| */ |
| String SASLAUTHENTICATION_PROVIDER = |
| "org.apache.zookeeper.server.auth.SASLAuthenticationProvider"; |
| |
| /** |
| * String to use as the prefix when declaring a new auth provider: {@value}. |
| */ |
| String ZOOKEEPER_AUTH_PROVIDER = "zookeeper.authProvider"; |
| |
| /** |
| * This the Hadoop environment variable which propagates the identity |
| * of a user in an insecure cluster |
| */ |
| String HADOOP_USER_NAME = "HADOOP_USER_NAME"; |
| } |