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Posted to issues@solr.apache.org by GitBox <gi...@apache.org> on 2022/09/06 04:27:54 UTC

[GitHub] [solr] sonatype-lift[bot] commented on a diff in pull request #996: SOLR-15715: Dedicated query coordinator nodes in the solr cluster

sonatype-lift[bot] commented on code in PR #996:
URL: https://github.com/apache/solr/pull/996#discussion_r963241029


##########
solr/core/src/java/org/apache/solr/servlet/CoordinatorHttpSolrCall.java:
##########
@@ -0,0 +1,275 @@
+/*
+ * 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.servlet;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import java.lang.invoke.MethodHandles;
+import java.security.Principal;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.solr.api.CoordinatorV2HttpSolrCall;
+import org.apache.solr.client.solrj.request.CollectionAdminRequest;
+import org.apache.solr.cloud.CloudDescriptor;
+import org.apache.solr.cloud.api.collections.Assign;
+import org.apache.solr.common.SolrException;
+import org.apache.solr.common.cloud.ClusterState;
+import org.apache.solr.common.cloud.DocCollection;
+import org.apache.solr.common.cloud.Replica;
+import org.apache.solr.common.cloud.ZkStateReader;
+import org.apache.solr.common.params.SolrParams;
+import org.apache.solr.common.util.ContentStream;
+import org.apache.solr.common.util.Utils;
+import org.apache.solr.core.CoreContainer;
+import org.apache.solr.core.CoreDescriptor;
+import org.apache.solr.core.SolrCore;
+import org.apache.solr.request.LocalSolrQueryRequest;
+import org.apache.solr.request.SolrQueryRequest;
+import org.apache.solr.response.SolrQueryResponse;
+import org.apache.solr.schema.IndexSchema;
+import org.apache.solr.search.SolrIndexSearcher;
+import org.apache.solr.util.RTimerTree;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CoordinatorHttpSolrCall extends HttpSolrCall {
+  public static final String SYNTHETIC_COLL_PREFIX = Assign.SYSTEM_COLL_PREFIX+ "COORDINATOR-COLL-";
+  private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+  private String collectionName;
+  private final Factory factory;
+
+  public CoordinatorHttpSolrCall(Factory factory, SolrDispatchFilter solrDispatchFilter, CoreContainer cores, HttpServletRequest request,
+                                 HttpServletResponse response, boolean retry) {
+    super(solrDispatchFilter, cores, request, response, retry);
+    this.factory = factory;
+  }
+
+  @Override
+  protected SolrCore getCoreByCollection(String collectionName, boolean isPreferLeader) {
+    this.collectionName = collectionName;
+    SolrCore core = super.getCoreByCollection(collectionName, isPreferLeader);
+    if (core != null) return core;
+    if (!path.endsWith("/select")) return null;
+    return getCore(factory,this, collectionName, isPreferLeader);
+  }
+
+  public static  SolrCore getCore( Factory factory, HttpSolrCall solrCall, String collectionName, boolean isPreferLeader) {
+    String sytheticCoreName = factory.collectionVsCoreNameMapping.get(collectionName);
+    if (sytheticCoreName != null) {
+      return solrCall.cores.getCore(sytheticCoreName);
+    } else {
+      ZkStateReader zkStateReader = solrCall.cores.getZkController().getZkStateReader();
+      ClusterState clusterState = zkStateReader.getClusterState();
+      DocCollection coll = clusterState.getCollectionOrNull(collectionName, true);
+      if (coll != null) {
+        String confName = coll.getConfigName();
+        String syntheticCollectionName = SYNTHETIC_COLL_PREFIX + confName;
+
+        DocCollection syntheticColl = clusterState.getCollectionOrNull(syntheticCollectionName);
+        if (syntheticColl == null) {
+          // no such collection. let's create one
+          log.info("synthetic collection: {} does not exist, creating.. ", syntheticCollectionName);
+          createColl(syntheticCollectionName, solrCall.cores, confName);
+        }
+        SolrCore core = solrCall.getCoreByCollection(syntheticCollectionName, isPreferLeader);
+        if (core != null) {
+          factory.collectionVsCoreNameMapping.put(collectionName, core.getName());
+          solrCall.cores.getZkController().getZkStateReader().registerCore(collectionName);
+          log.info("coordinator NODE , returns synthetic core " + core.getName());
+        } else {
+          //this node does not have a replica. add one
+          log.info("this node does not have a replica of the synthetic collection: {} , adding replica ", syntheticCollectionName);
+
+          addReplica(syntheticCollectionName, solrCall.cores);
+          core = solrCall.getCoreByCollection(syntheticCollectionName, isPreferLeader);
+        }
+        return core;
+
+      }
+      return null;
+    }
+
+  }
+  private static void addReplica(String syntheticCollectionName, CoreContainer cores) {
+    SolrQueryResponse rsp = new SolrQueryResponse();
+    try {
+      cores.getCollectionsHandler().handleRequestBody(new LocalSolrQueryRequest(null,

Review Comment:
   *RESOURCE_LEAK:*  resource of type `org.apache.solr.request.LocalSolrQueryRequest` acquired by call to `LocalSolrQueryRequest(...)` at line 117 is not released after line 114.
   **Note**: potential exception at line 114
   
   ---
   
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##########
solr/core/src/java/org/apache/solr/servlet/CoordinatorHttpSolrCall.java:
##########
@@ -0,0 +1,275 @@
+/*
+ * 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.servlet;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import java.lang.invoke.MethodHandles;
+import java.security.Principal;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.solr.api.CoordinatorV2HttpSolrCall;
+import org.apache.solr.client.solrj.request.CollectionAdminRequest;
+import org.apache.solr.cloud.CloudDescriptor;
+import org.apache.solr.cloud.api.collections.Assign;
+import org.apache.solr.common.SolrException;
+import org.apache.solr.common.cloud.ClusterState;
+import org.apache.solr.common.cloud.DocCollection;
+import org.apache.solr.common.cloud.Replica;
+import org.apache.solr.common.cloud.ZkStateReader;
+import org.apache.solr.common.params.SolrParams;
+import org.apache.solr.common.util.ContentStream;
+import org.apache.solr.common.util.Utils;
+import org.apache.solr.core.CoreContainer;
+import org.apache.solr.core.CoreDescriptor;
+import org.apache.solr.core.SolrCore;
+import org.apache.solr.request.LocalSolrQueryRequest;
+import org.apache.solr.request.SolrQueryRequest;
+import org.apache.solr.response.SolrQueryResponse;
+import org.apache.solr.schema.IndexSchema;
+import org.apache.solr.search.SolrIndexSearcher;
+import org.apache.solr.util.RTimerTree;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class CoordinatorHttpSolrCall extends HttpSolrCall {
+  public static final String SYNTHETIC_COLL_PREFIX = Assign.SYSTEM_COLL_PREFIX+ "COORDINATOR-COLL-";
+  private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+  private String collectionName;
+  private final Factory factory;
+
+  public CoordinatorHttpSolrCall(Factory factory, SolrDispatchFilter solrDispatchFilter, CoreContainer cores, HttpServletRequest request,
+                                 HttpServletResponse response, boolean retry) {
+    super(solrDispatchFilter, cores, request, response, retry);
+    this.factory = factory;
+  }
+
+  @Override
+  protected SolrCore getCoreByCollection(String collectionName, boolean isPreferLeader) {
+    this.collectionName = collectionName;
+    SolrCore core = super.getCoreByCollection(collectionName, isPreferLeader);
+    if (core != null) return core;
+    if (!path.endsWith("/select")) return null;
+    return getCore(factory,this, collectionName, isPreferLeader);
+  }
+
+  public static  SolrCore getCore( Factory factory, HttpSolrCall solrCall, String collectionName, boolean isPreferLeader) {
+    String sytheticCoreName = factory.collectionVsCoreNameMapping.get(collectionName);
+    if (sytheticCoreName != null) {
+      return solrCall.cores.getCore(sytheticCoreName);
+    } else {
+      ZkStateReader zkStateReader = solrCall.cores.getZkController().getZkStateReader();
+      ClusterState clusterState = zkStateReader.getClusterState();
+      DocCollection coll = clusterState.getCollectionOrNull(collectionName, true);
+      if (coll != null) {
+        String confName = coll.getConfigName();
+        String syntheticCollectionName = SYNTHETIC_COLL_PREFIX + confName;
+
+        DocCollection syntheticColl = clusterState.getCollectionOrNull(syntheticCollectionName);
+        if (syntheticColl == null) {
+          // no such collection. let's create one
+          log.info("synthetic collection: {} does not exist, creating.. ", syntheticCollectionName);
+          createColl(syntheticCollectionName, solrCall.cores, confName);
+        }
+        SolrCore core = solrCall.getCoreByCollection(syntheticCollectionName, isPreferLeader);
+        if (core != null) {
+          factory.collectionVsCoreNameMapping.put(collectionName, core.getName());
+          solrCall.cores.getZkController().getZkStateReader().registerCore(collectionName);
+          log.info("coordinator NODE , returns synthetic core " + core.getName());
+        } else {
+          //this node does not have a replica. add one
+          log.info("this node does not have a replica of the synthetic collection: {} , adding replica ", syntheticCollectionName);
+
+          addReplica(syntheticCollectionName, solrCall.cores);
+          core = solrCall.getCoreByCollection(syntheticCollectionName, isPreferLeader);
+        }
+        return core;
+
+      }
+      return null;
+    }
+
+  }
+  private static void addReplica(String syntheticCollectionName, CoreContainer cores) {
+    SolrQueryResponse rsp = new SolrQueryResponse();
+    try {
+      cores.getCollectionsHandler().handleRequestBody(new LocalSolrQueryRequest(null,
+              CollectionAdminRequest.addReplicaToShard(syntheticCollectionName, "shard1")
+                      .setCreateNodeSet(cores.getZkController().getNodeName())
+                      .getParams()
+      ), rsp);
+      if (rsp.getValues().get("success") == null) {
+        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Could not auto-create collection: " + Utils.toJSONString(rsp.getValues()));
+      }
+    } catch (SolrException e) {
+      throw e;
+
+    } catch (Exception e) {
+      throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
+    }
+
+  }
+
+  private static void createColl(String syntheticCollectionName, CoreContainer cores, String confName) {
+    SolrQueryResponse rsp = new SolrQueryResponse();
+    try {
+      SolrParams params = CollectionAdminRequest.createCollection(syntheticCollectionName, confName, 1, 1)
+              .setCreateNodeSet(cores.getZkController().getNodeName()).getParams();
+      log.info("sending collection admin command : {}", Utils.toJSONString(params));
+      cores.getCollectionsHandler()
+              .handleRequestBody(new LocalSolrQueryRequest(null,

Review Comment:
   *RESOURCE_LEAK:*  resource of type `org.apache.solr.request.LocalSolrQueryRequest` acquired by call to `LocalSolrQueryRequest(...)` at line 137 is not released after line 138.
   **Note**: potential exception at line 138
   
   ---
   
   <details><summary><b>ℹī¸ Learn about @sonatype-lift commands</b></summary>
   
   You can reply with the following commands. For example, reply with ***@sonatype-lift ignoreall*** to leave out all findings.
   | **Command** | **Usage** |
   | ------------- | ------------- |
   | `@sonatype-lift ignore` | Leave out the above finding from this PR |
   | `@sonatype-lift ignoreall` | Leave out all the existing findings from this PR |
   | `@sonatype-lift exclude <file\|issue\|path\|tool>` | Exclude specified `file\|issue\|path\|tool` from Lift findings by updating your config.toml file |
   
   **Note:** When talking to LiftBot, you need to **refresh** the page to see its response.
   <sub>[Click here](https://github.com/apps/sonatype-lift/installations/new) to add LiftBot to another repo.</sub></details>
   
   
   
   ---
   
   Was this a good recommendation?
   [ [🙁 Not relevant](https://www.sonatype.com/lift-comment-rating?comment=327695160&lift_comment_rating=1) ] - [ [😕 Won't fix](https://www.sonatype.com/lift-comment-rating?comment=327695160&lift_comment_rating=2) ] - [ [😑 Not critical, will fix](https://www.sonatype.com/lift-comment-rating?comment=327695160&lift_comment_rating=3) ] - [ [🙂 Critical, will fix](https://www.sonatype.com/lift-comment-rating?comment=327695160&lift_comment_rating=4) ] - [ [😊 Critical, fixing now](https://www.sonatype.com/lift-comment-rating?comment=327695160&lift_comment_rating=5) ]



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