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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.solr.handler.admin.api;
import static org.apache.solr.handler.admin.CollectionsHandler.DEFAULT_COLLECTION_OP_TIMEOUT;
import java.util.Map;
import org.apache.solr.api.JerseyResource;
import org.apache.solr.client.api.model.SubResponseAccumulatingJerseyResponse;
import org.apache.solr.client.solrj.SolrResponse;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.cloud.ClusterState;
import org.apache.solr.common.cloud.ZkNodeProps;
import org.apache.solr.common.params.CollectionParams;
import org.apache.solr.core.CoreContainer;
import org.apache.solr.handler.admin.CollectionsHandler;
import org.apache.solr.logging.MDCLoggingContext;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.response.SolrQueryResponse;
import org.apache.solr.util.tracing.TraceUtils;
/** A common parent for "admin" (i.e. container-level) APIs. */
public abstract class AdminAPIBase extends JerseyResource {
protected final CoreContainer coreContainer;
protected final SolrQueryRequest solrQueryRequest;
protected final SolrQueryResponse solrQueryResponse;
public AdminAPIBase(
CoreContainer coreContainer,
SolrQueryRequest solrQueryRequest,
SolrQueryResponse solrQueryResponse) {
this.coreContainer = coreContainer;
this.solrQueryRequest = solrQueryRequest;
this.solrQueryResponse = solrQueryResponse;
}
protected CoreContainer fetchAndValidateZooKeeperAwareCoreContainer() {
validateZooKeeperAwareCoreContainer(coreContainer);
return coreContainer;
}
protected String resolveAndValidateAliasIfEnabled(
String unresolvedCollectionName, boolean aliasResolutionEnabled) {
final String resolvedCollectionName =
aliasResolutionEnabled ? resolveAlias(unresolvedCollectionName) : unresolvedCollectionName;
final ClusterState clusterState = coreContainer.getZkController().getClusterState();
if (!clusterState.hasCollection(resolvedCollectionName)) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Collection '" + resolvedCollectionName + "' does not exist, no action taken.");
}
return resolvedCollectionName;
}
private String resolveAlias(String aliasName) {
return coreContainer
.getZkController()
.getZkStateReader()
.getAliases()
.resolveSimpleAlias(aliasName);
}
public static void validateZooKeeperAwareCoreContainer(CoreContainer coreContainer) {
if (coreContainer == null) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "Core container instance missing");
}
// Make sure that the core is ZKAware
if (!coreContainer.isZooKeeperAware()) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "Solr instance is not running in SolrCloud mode.");
}
}
protected String resolveCollectionName(String collName, boolean followAliases) {
final String collectionName =
followAliases
? coreContainer
.getZkController()
.getZkStateReader()
.getAliases()
.resolveSimpleAlias(collName)
: collName;
final ClusterState clusterState = coreContainer.getZkController().getClusterState();
if (!clusterState.hasCollection(collectionName)) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST,
"Collection '" + collectionName + "' does not exist, no action taken.");
}
return collectionName;
}
/**
* TODO Taken from CollectionsHandler.handleRequestBody, but its unclear where (if ever) this gets
* cleared.
*/
public static void recordCollectionForLogAndTracing(
String collection, SolrQueryRequest solrQueryRequest) {
MDCLoggingContext.setCollection(collection);
TraceUtils.setDbInstance(solrQueryRequest, collection);
}
public void disableResponseCaching() {
solrQueryResponse.setHttpCaching(false);
}
protected SolrResponse submitRemoteMessageAndHandleResponse(
SubResponseAccumulatingJerseyResponse response,
CollectionParams.CollectionAction action,
ZkNodeProps remoteMessage,
String asyncId)
throws Exception {
final SolrResponse remoteResponse =
CollectionsHandler.submitCollectionApiCommand(
coreContainer,
coreContainer.getDistributedCollectionCommandRunner(),
remoteMessage,
action,
DEFAULT_COLLECTION_OP_TIMEOUT);
if (remoteResponse.getException() != null) {
throw remoteResponse.getException();
}
if (asyncId != null) {
response.requestId = asyncId;
}
// Values fetched from remoteResponse may be null
response.successfulSubResponsesByNodeName = remoteResponse.getResponse().get("success");
response.failedSubResponsesByNodeName = remoteResponse.getResponse().get("failure");
return remoteResponse;
}
protected static void insertIfNotNull(Map destination, String key, Object value) {
if (value != null) {
destination.put(key, value);
}
}
}