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Posted to commits@dolphinscheduler.apache.org by GitBox <gi...@apache.org> on 2021/02/19 01:24:29 UTC

[GitHub] [incubator-dolphinscheduler] zhuangchong opened a new pull request #4799: [Fix-4757][worker] fix worker failover host error

zhuangchong opened a new pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799


   ## *Tips*
   - *Thanks very much for contributing to Apache DolphinScheduler.*
   - *Please review https://dolphinscheduler.apache.org/en-us/community/index.html before opening a pull request.*
   
   ## What is the purpose of the pull request
   this PR closes #4757 
   
   fix worker failover host error
   
   
   ## Verify this pull request
     - *Manually verified the change by testing locally.*
   
   ![image](https://user-images.githubusercontent.com/37063904/108443695-354e9200-7294-11eb-83f6-2c72593d27a1.png)
   
   ![image](https://user-images.githubusercontent.com/37063904/108443703-38e21900-7294-11eb-9751-b49f5c513c8a.png)
   
   


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[GitHub] [incubator-dolphinscheduler] sonarcloud[bot] removed a comment on pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#issuecomment-782083307


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[GitHub] [incubator-dolphinscheduler] chengshiwen commented on a change in pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
chengshiwen commented on a change in pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#discussion_r579160340



##########
File path: dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/WorkerGroupServiceImpl.java
##########
@@ -134,45 +136,48 @@
      * @return WorkerGroup list
      */
     private List<WorkerGroup> getWorkerGroups(boolean isPaging) {
+
         String workerPath = zookeeperCachedOperator.getZookeeperConfig().getDsRoot() + Constants.ZOOKEEPER_DOLPHINSCHEDULER_WORKERS;
         List<WorkerGroup> workerGroups = new ArrayList<>();
         List<String> workerGroupList;
         try {
             workerGroupList = zookeeperCachedOperator.getChildrenKeys(workerPath);
         } catch (Exception e) {
             if (e.getMessage().contains(NO_NODE_EXCEPTION_REGEX)) {
-                if (!isPaging) {
+                if (isPaging) {
+                    return workerGroups;
+                } else {
                     //ignore noNodeException return Default
                     WorkerGroup wg = new WorkerGroup();
                     wg.setName(DEFAULT_WORKER_GROUP);
                     workerGroups.add(wg);
+                    return workerGroups;

Review comment:
       If there is no better modification, it's better to keep the old code
   ![image](https://user-images.githubusercontent.com/4902714/108506475-d02a8900-72f3-11eb-8867-a66c41c97f90.png)
   

##########
File path: dolphinscheduler-service/src/main/java/org/apache/dolphinscheduler/service/zk/ZookeeperNodeHandler.java
##########
@@ -0,0 +1,114 @@
+/*
+ * 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.dolphinscheduler.service.zk;
+
+import static org.apache.dolphinscheduler.common.Constants.COLON;
+
+import org.apache.dolphinscheduler.common.model.WorkerZkNode;
+import org.apache.dolphinscheduler.common.utils.StringUtils;
+
+/**
+ * zookeeper node handler
+ */
+public class ZookeeperNodeHandler {
+
+    private ZookeeperNodeHandler() {
+        throw new UnsupportedOperationException("Construct ZookeeperNodeHandler");
+    }
+
+    /**
+     * generate worker zookeeper node name
+     *
+     * @param address address
+     * @param weight weight
+     * @param workerStartTime workerStartTime
+     * @return worker address:weight:startTime
+     */
+    public static String generateWorkerZkNodeName(String address, String weight, long workerStartTime) {
+        StringBuilder workerZkNodeNameBuilder = new StringBuilder(address);
+        workerZkNodeNameBuilder.append(COLON);
+        workerZkNodeNameBuilder.append(weight);
+        workerZkNodeNameBuilder.append(COLON);
+        workerZkNodeNameBuilder.append(workerStartTime);
+        return workerZkNodeNameBuilder.toString();
+    }
+
+    /**
+     * get worker info according to zookeeper node
+     *
+     * @param zkNode zookeeper node
+     * @return worker zookeeper node
+     */
+    public static WorkerZkNode getWorkerZkNodeName(String zkNode) {
+        if (StringUtils.isBlank(zkNode)) {
+            return null;
+        }
+        String[] split = zkNode.split(COLON);
+        return new WorkerZkNode(split[0], split[1], split[2], split[3]);
+    }
+
+    /**
+     * get worker address
+     *
+     * @param workerZkNode worker zookeeper node
+     * @return worker address
+     */
+    public static String getWorkerAddress(WorkerZkNode workerZkNode) {
+        return workerZkNode == null ? null : workerZkNode.getAddressHost() + COLON + workerZkNode.getAddressPort();
+    }
+
+    /**
+     * get worker address
+     *
+     * @param zkNode zookeeper node
+     * @return worker address
+     */
+    public static String getWorkerAddress(String zkNode) {
+        return getWorkerAddress(getWorkerZkNodeName(zkNode));
+    }
+
+    /**
+     * get worker address and weight
+     *
+     * @param workerZkNode worker zookeeper node
+     * @return worker address:weight
+     */
+    public static String getWorkerAddressAndWeight(WorkerZkNode workerZkNode) {
+        return workerZkNode == null ? null : getWorkerAddress(workerZkNode) + COLON + workerZkNode.getWeight();
+    }
+
+    /**
+     * get worker address and weight
+     *
+     * @param zkNode zookeeper node
+     * @return worker address:weight
+     */
+    public static String getWorkerAddressAndWeight(String zkNode) {
+        return getWorkerAddressAndWeight(getWorkerZkNodeName(zkNode));
+    }
+
+    /**
+     * get worker startTime
+     * @param workerZkNode worker zookeeper node
+     * @return worker startTime
+     */
+    public static String getWorkerStartTime(WorkerZkNode workerZkNode) {
+        return workerZkNode == null ? null : workerZkNode.getStartTime();
+    }
+
+}

Review comment:
       Require zookeeper unit test. Now the unit test coverage is less than 33%




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[GitHub] [incubator-dolphinscheduler] chengshiwen commented on pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
chengshiwen commented on pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#issuecomment-781785931


   Please pass the checks @zhuangchong


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[GitHub] [incubator-dolphinscheduler] sonarcloud[bot] commented on pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#issuecomment-782083307


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[GitHub] [incubator-dolphinscheduler] zhuangchong commented on a change in pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
zhuangchong commented on a change in pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#discussion_r579651081



##########
File path: dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/WorkerZkNode.java
##########
@@ -0,0 +1,56 @@
+/*
+ * 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.dolphinscheduler.common.model;
+
+/**
+ * worker zookeeper node
+ */
+public class WorkerZkNode {

Review comment:
       done.




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[GitHub] [incubator-dolphinscheduler] CalvinKirs merged pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
CalvinKirs merged pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799


   


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[GitHub] [incubator-dolphinscheduler] sonarcloud[bot] commented on pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#issuecomment-782571498


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[GitHub] [incubator-dolphinscheduler] CalvinKirs commented on a change in pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
CalvinKirs commented on a change in pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#discussion_r579269321



##########
File path: dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/model/WorkerZkNode.java
##########
@@ -0,0 +1,56 @@
+/*
+ * 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.dolphinscheduler.common.model;
+
+/**
+ * worker zookeeper node
+ */
+public class WorkerZkNode {

Review comment:
       We have calculations similar to this in many places(eg: Host. class), can we organize them into one?




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[GitHub] [incubator-dolphinscheduler] sonarcloud[bot] removed a comment on pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] removed a comment on pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#issuecomment-782050585


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[GitHub] [incubator-dolphinscheduler] sonarcloud[bot] commented on pull request #4799: [Fix-4757][worker] fix worker failover host error

Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #4799:
URL: https://github.com/apache/incubator-dolphinscheduler/pull/4799#issuecomment-782050585


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