| /* |
| * 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.security.vault; |
| |
| import com.bettercloud.vault.Vault; |
| import com.bettercloud.vault.VaultConfig; |
| import com.bettercloud.vault.VaultException; |
| import com.fasterxml.jackson.annotation.JacksonInject; |
| import com.fasterxml.jackson.annotation.JsonCreator; |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.fasterxml.jackson.annotation.OptBoolean; |
| import org.apache.drill.common.config.DrillConfig; |
| import org.apache.drill.common.logical.security.CredentialsProvider; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| /** |
| * Implementation of {@link CredentialsProvider} that obtains credential values from |
| * {@link Vault}. |
| */ |
| public class VaultCredentialsProvider implements CredentialsProvider { |
| |
| public static final String VAULT_ADDRESS = "drill.exec.storage.vault.address"; |
| public static final String VAULT_TOKEN = "drill.exec.storage.vault.token"; |
| |
| private final String secretPath; |
| |
| private final Map<String, String> propertyNames; |
| |
| private final Vault vault; |
| |
| /** |
| * @param secretPath The Vault key value from which to read |
| * @param propertyNames map with credential names as keys and vault keys as values. |
| * @param config drill config |
| * @throws VaultException if exception happens when connecting to Vault. |
| */ |
| @JsonCreator |
| public VaultCredentialsProvider( |
| @JsonProperty("secretPath") String secretPath, |
| @JsonProperty("propertyNames") Map<String, String> propertyNames, |
| @JacksonInject(useInput = OptBoolean.FALSE) DrillConfig config) throws VaultException { |
| this.propertyNames = propertyNames; |
| this.secretPath = secretPath; |
| String vaultAddress = Objects.requireNonNull(config.getString(VAULT_ADDRESS), |
| String.format("Vault address is not specified. Please set [%s] config property.", VAULT_ADDRESS)); |
| String token = Objects.requireNonNull(config.getString(VAULT_TOKEN), |
| String.format("Vault token is not specified. Please set [%s] config property.", VAULT_TOKEN)); |
| |
| VaultConfig vaultConfig = new VaultConfig() |
| .address(vaultAddress) |
| .token(token) |
| .build(); |
| this.vault = new Vault(vaultConfig); |
| } |
| |
| @Override |
| public Map<String, String> getCredentials() { |
| Map<String, String> credentials = new HashMap<>(); |
| propertyNames.forEach((key, value) -> { |
| try { |
| String credValue = vault.logical() |
| .read(secretPath) |
| .getData() |
| .get(value); |
| credentials.put(key, credValue); |
| } catch (VaultException e) { |
| throw new RuntimeException("Error while fetching credentials from vault", e); |
| } |
| }); |
| |
| return credentials; |
| } |
| |
| public String getSecretPath() { |
| return secretPath; |
| } |
| |
| public Map<String, String> getPropertyNames() { |
| return propertyNames; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| VaultCredentialsProvider that = (VaultCredentialsProvider) o; |
| return Objects.equals(secretPath, that.secretPath) && Objects.equals(propertyNames, that.propertyNames); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(secretPath, propertyNames); |
| } |
| } |