| /* |
| * 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.drill.exec.store.drill.plugin; |
| |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonIgnore; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.annotation.JsonTypeName; |
| import org.apache.calcite.avatica.ConnectStringParser; |
| import org.apache.drill.common.config.DrillConfig; |
| import org.apache.drill.common.config.DrillProperties; |
| import org.apache.drill.common.exceptions.UserException; |
| import org.apache.drill.common.logical.StoragePluginConfig; |
| import org.apache.drill.common.logical.security.CredentialsProvider; |
| import org.apache.drill.common.logical.security.PlainCredentialsProvider; |
| import org.apache.drill.exec.client.DrillClient; |
| import org.apache.drill.exec.memory.BufferAllocator; |
| import org.apache.drill.exec.proto.UserBitShared.UserCredentials; |
| import org.apache.drill.exec.rpc.RpcException; |
| import org.apache.drill.exec.store.security.UsernamePasswordCredentials; |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableMap; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.sql.SQLException; |
| import java.util.Collections; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Properties; |
| |
| @JsonTypeName(DrillStoragePluginConfig.NAME) |
| public class DrillStoragePluginConfig extends StoragePluginConfig { |
| private static final Logger logger = LoggerFactory.getLogger(DrillStoragePluginConfig.class); |
| |
| public static final String NAME = "drill"; |
| public static final String CONNECTION_STRING_PREFIX = "jdbc:drill:"; |
| |
| private static final String DEFAULT_QUOTING_IDENTIFIER = "`"; |
| |
| private final String connection; |
| private final Properties properties; |
| |
| @JsonCreator |
| public DrillStoragePluginConfig( |
| @JsonProperty("connection") String connection, |
| @JsonProperty("properties") Properties properties, |
| @JsonProperty("credentialsProvider") CredentialsProvider credentialsProvider, |
| @JsonProperty("authMode") String authMode) { |
| super(getCredentialsProvider(credentialsProvider), credentialsProvider == null, |
| AuthMode.parseOrDefault(authMode, AuthMode.SHARED_USER)); |
| this.connection = connection; |
| this.properties = Optional.ofNullable(properties).orElse(new Properties()); |
| } |
| |
| private DrillStoragePluginConfig(DrillStoragePluginConfig that, |
| CredentialsProvider credentialsProvider) { |
| super(getCredentialsProvider(credentialsProvider), |
| credentialsProvider == null, that.authMode); |
| this.connection = that.connection; |
| this.properties = that.properties; |
| } |
| |
| @JsonProperty("connection") |
| public String getConnection() { |
| return connection; |
| } |
| |
| @JsonProperty("properties") |
| public Properties getProperties() { |
| return properties; |
| } |
| |
| private static CredentialsProvider getCredentialsProvider(CredentialsProvider credentialsProvider) { |
| return credentialsProvider != null ? credentialsProvider : PlainCredentialsProvider.EMPTY_CREDENTIALS_PROVIDER; |
| } |
| |
| @JsonIgnore |
| public String getIdentifierQuoteString() { |
| return properties.getProperty(DrillProperties.QUOTING_IDENTIFIERS, DEFAULT_QUOTING_IDENTIFIER); |
| } |
| |
| @Override |
| public DrillStoragePluginConfig updateCredentialProvider(CredentialsProvider credentialsProvider) { |
| return new DrillStoragePluginConfig(this, credentialsProvider); |
| } |
| |
| private Optional<UsernamePasswordCredentials> getUsernamePasswordCredentials( |
| UserCredentials userCredentials) { |
| switch (authMode) { |
| case SHARED_USER: |
| return new UsernamePasswordCredentials.Builder() |
| .setCredentialsProvider(credentialsProvider) |
| .build(); |
| case USER_TRANSLATION: |
| Preconditions.checkNotNull( |
| userCredentials, |
| "A drill query user is required for user translation auth mode." |
| ); |
| return new UsernamePasswordCredentials.Builder() |
| .setCredentialsProvider(credentialsProvider) |
| .setQueryUser(userCredentials.getUserName()) |
| .build(); |
| default: |
| throw UserException.validationError() |
| .message("This storage plugin does not support auth mode: %s", authMode) |
| .build(logger); |
| } |
| } |
| |
| private Map<String, String> getCredentials(UserCredentials userCredentials) { |
| return getUsernamePasswordCredentials(userCredentials) |
| .<Map<String, String>>map(creds -> ImmutableMap.of(DrillProperties.USER, creds.getUsername(), |
| DrillProperties.PASSWORD, creds.getPassword())) |
| .orElse(Collections.emptyMap()); |
| } |
| |
| @JsonIgnore |
| public DrillClient getDrillClient(String userName, BufferAllocator allocator) { |
| try { |
| String urlSuffix = connection.substring(CONNECTION_STRING_PREFIX.length()); |
| Properties props = ConnectStringParser.parse(urlSuffix, properties); |
| props.putAll(getCredentials(UserCredentials.newBuilder().setUserName(userName).build())); |
| |
| DrillConfig dConfig = DrillConfig.forClient(); |
| boolean isDirect = props.getProperty(DrillProperties.DRILLBIT_CONNECTION) != null; |
| DrillClient client = new DrillClient(dConfig, null, allocator, isDirect); |
| |
| String connect = props.getProperty(DrillProperties.ZOOKEEPER_CONNECTION); |
| client.connect(connect, props); |
| return client; |
| } catch (RpcException | SQLException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| DrillStoragePluginConfig that = (DrillStoragePluginConfig) o; |
| return Objects.equals(connection, that.connection); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(connection); |
| } |
| } |