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/*
* 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.elasticsearch;
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 com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import org.apache.drill.common.logical.StoragePluginConfig;
import org.apache.drill.exec.store.security.CredentialProviderUtils;
import org.apache.drill.common.logical.security.CredentialsProvider;
import org.apache.drill.exec.store.security.UsernamePasswordCredentials;
import org.apache.drill.shaded.guava.com.google.common.collect.ImmutableMap;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
@JsonTypeName(ElasticsearchStorageConfig.NAME)
public class ElasticsearchStorageConfig extends StoragePluginConfig {
public static final String NAME = "elastic";
private static final ObjectWriter OBJECT_WRITER = new ObjectMapper().writerFor(List.class);
private static final String HOSTS = "hosts";
private static final String PATH_PREFIX = "pathPrefix";
private static final String USERNAME = "username";
private static final String PASSWORD = "password";
public static final String CREDENTIALS_PROVIDER = "credentialsProvider";
private static final String EMPTY_STRING = "";
private final List<String> hosts;
private final String pathPrefix;
@JsonCreator
public ElasticsearchStorageConfig(
@JsonProperty(HOSTS) List<String> hosts,
@JsonProperty(USERNAME) String username,
@JsonProperty(PASSWORD) String password,
@JsonProperty(PATH_PREFIX) String pathPrefix,
@JsonProperty(CREDENTIALS_PROVIDER) CredentialsProvider credentialsProvider) {
super(CredentialProviderUtils.getCredentialsProvider(username, password, credentialsProvider), credentialsProvider == null);
this.hosts = hosts;
this.pathPrefix = pathPrefix;
}
public List<String> getHosts() {
return hosts;
}
public String getPathPrefix() {
return pathPrefix;
}
public String getUsername() {
if (!directCredentials) {
return null;
}
return getUsernamePasswordCredentials()
.map(UsernamePasswordCredentials::getUsername)
.orElse(null);
}
public String getPassword() {
if (!directCredentials) {
return null;
}
return getUsernamePasswordCredentials()
.map(UsernamePasswordCredentials::getPassword)
.orElse(null);
}
@JsonIgnore
public Optional<UsernamePasswordCredentials> getUsernamePasswordCredentials() {
return new UsernamePasswordCredentials.Builder()
.setCredentialsProvider(credentialsProvider)
.build();
}
@JsonIgnore
public Map<String, Object> toConfigMap()
throws JsonProcessingException {
Map<String, String> credentials = new HashMap<>(credentialsProvider.getCredentials());
ImmutableMap.Builder<String, Object> builder = ImmutableMap.builder();
builder.put(HOSTS, OBJECT_WRITER.writeValueAsString(hosts));
builder.put(PATH_PREFIX, pathPrefix != null ? pathPrefix : EMPTY_STRING);
builder.put(USERNAME, credentials.getOrDefault(USERNAME, EMPTY_STRING));
builder.put(PASSWORD, credentials.getOrDefault(PASSWORD, EMPTY_STRING));
credentials.remove(USERNAME);
credentials.remove(PASSWORD);
builder.putAll(credentials);
return builder.build();
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ElasticsearchStorageConfig that = (ElasticsearchStorageConfig) o;
return Objects.equals(hosts, that.hosts)
&& Objects.equals(credentialsProvider, that.credentialsProvider);
}
@Override
public int hashCode() {
return Objects.hash(hosts, credentialsProvider);
}
}