joshgog commented on code in PR #1115: URL: https://github.com/apache/solr/pull/1115#discussion_r1003204389
########## solr/core/src/java/org/apache/solr/handler/admin/api/ReplaceNodeAPI.java: ########## @@ -0,0 +1,121 @@ +/* + * 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.client.solrj.impl.BinaryResponseParser.BINARY_CONTENT_TYPE_V2; +import static org.apache.solr.cloud.Overseer.QUEUE_OPERATION; +import static org.apache.solr.common.cloud.ZkStateReader.NODE_NAME_PROP; +import static org.apache.solr.common.cloud.ZkStateReader.PROPERTY_VALUE_PROP; +import static org.apache.solr.common.cloud.ZkStateReader.TARGET_NODE_NAME_PROP; +import static org.apache.solr.handler.admin.CollectionsHandler.DEFAULT_COLLECTION_OP_TIMEOUT; +import static org.apache.solr.security.PermissionNameProvider.Name.COLL_EDIT_PERM; + +import com.fasterxml.jackson.annotation.JsonProperty; +import io.swagger.v3.oas.annotations.Parameter; +import io.swagger.v3.oas.annotations.media.Schema; +import io.swagger.v3.oas.annotations.parameters.RequestBody; +import java.util.HashMap; +import java.util.Map; +import javax.inject.Inject; +import javax.ws.rs.POST; +import javax.ws.rs.Path; +import javax.ws.rs.PathParam; +import javax.ws.rs.Produces; +import org.apache.solr.client.solrj.SolrResponse; +import org.apache.solr.common.cloud.ZkNodeProps; +import org.apache.solr.common.params.CollectionParams; +import org.apache.solr.common.params.CollectionParams.CollectionAction; +import org.apache.solr.core.CoreContainer; +import org.apache.solr.handler.admin.CollectionsHandler; +import org.apache.solr.jersey.JacksonReflectMapWriter; +import org.apache.solr.jersey.PermissionName; +import org.apache.solr.jersey.SolrJerseyResponse; +import org.apache.solr.request.SolrQueryRequest; +import org.apache.solr.response.SolrQueryResponse; + +/** + * V2 API for recreating replicas in one node (the source) on another node(s) (the target). + * + * <p>This API is analogous to the v1 /admin/collections?action=REPLACENODE command. + */ +@Path("/nodes/{nodeName}/commands/replace/{targetNodeName}") +public class ReplaceNodeAPI extends AdminAPIBase { + + @Inject + public ReplaceNodeAPI( + CoreContainer coreContainer, + SolrQueryRequest solrQueryRequest, + SolrQueryResponse solrQueryResponse) { + super(coreContainer, solrQueryRequest, solrQueryResponse); + } + + @POST + @Produces({"application/json", "application/xml", BINARY_CONTENT_TYPE_V2}) + @PermissionName(COLL_EDIT_PERM) + public SolrJerseyResponse replaceNode( + @Parameter(description = "The name of the node to be replaced.", required = true) + @PathParam("nodeName") + String nodeName, + @Parameter(description = "The name of the new node.", required = true) + @PathParam("targetNodeName") + String targetNodeName, + @RequestBody(description = "The value of the targetNodeName", required = true) + ReplaceNodeRequestBody requestBody) + throws Exception { + final SolrJerseyResponse response = instantiateJerseyResponse(SolrJerseyResponse.class); + final CoreContainer coreContainer = fetchAndValidateZooKeeperAwareCoreContainer(); + /** TODO Record node for log and tracing */ + final ZkNodeProps remoteMessage = createRemoteMessage(nodeName, targetNodeName, requestBody); + final SolrResponse remoteResponse = + CollectionsHandler.submitCollectionApiCommand( + coreContainer, + coreContainer.getDistributedCollectionCommandRunner(), + remoteMessage, + CollectionParams.CollectionAction.ADDREPLICAPROP, + DEFAULT_COLLECTION_OP_TIMEOUT); + if (remoteResponse.getException() != null) { + throw remoteResponse.getException(); + } + + disableResponseCaching(); + return response; + } + + public ZkNodeProps createRemoteMessage( + String nodeName, String targetNodeName, ReplaceNodeRequestBody requestBody) { + final Map<String, Object> remoteMessage = new HashMap<>(); + remoteMessage.put(NODE_NAME_PROP, nodeName); + remoteMessage.put(TARGET_NODE_NAME_PROP, targetNodeName); Review Comment: Not sure if I was supposed to use CollectionParams SOURCE_NODE and TARGET_NODE -- This is an automated message from the Apache Git Service. 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