副本重分配-》生成分配计划

src/main/java/com/xuxd/kafka/console/beans/dto/ProposedAssignmentDTO.java

@@ -0,0 +1,18 @@
+package com.xuxd.kafka.console.beans.dto;
+
+import java.util.List;
+import lombok.Data;
+
+/**
+ * kafka-console-ui.
+ *
+ * @author xuxd
+ * @date 2022-02-15 19:08:13
+ **/
+@Data
+public class ProposedAssignmentDTO {
+
+    private String topic;
+
+    private List<Integer> brokers;
+}

src/main/java/com/xuxd/kafka/console/controller/OperationController.java

@@ -2,6 +2,7 @@ package com.xuxd.kafka.console.controller;
 
 import com.xuxd.kafka.console.beans.TopicPartition;
 import com.xuxd.kafka.console.beans.dto.BrokerThrottleDTO;
+import com.xuxd.kafka.console.beans.dto.ProposedAssignmentDTO;
 import com.xuxd.kafka.console.beans.dto.ReplicationDTO;
 import com.xuxd.kafka.console.beans.dto.SyncDataDTO;
 import com.xuxd.kafka.console.service.OperationService;
@@ -74,4 +75,9 @@ public class OperationController {
     public Object cancelReassignment(@RequestBody TopicPartition partition) {
         return operationService.cancelReassignment(new org.apache.kafka.common.TopicPartition(partition.getTopic(), partition.getPartition()));
     }
+
+    @PostMapping("/replication/reassignments/proposed")
+    public Object proposedAssignments(@RequestBody ProposedAssignmentDTO dto) {
+        return operationService.proposedAssignments(dto.getTopic(), dto.getBrokers());
+    }
 }

src/main/java/com/xuxd/kafka/console/service/OperationService.java

@@ -30,4 +30,6 @@ public interface OperationService {
     ResponseData currentReassignments();
 
     ResponseData cancelReassignment(TopicPartition partition);
+
+    ResponseData proposedAssignments(String topic, List<Integer> brokerList);
 }

src/main/java/com/xuxd/kafka/console/service/impl/OperationServiceImpl.java

@@ -1,6 +1,7 @@
 package com.xuxd.kafka.console.service.impl;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.google.common.collect.Lists;
 import com.google.gson.Gson;
 import com.google.gson.JsonObject;
 import com.xuxd.kafka.console.beans.ResponseData;
@@ -10,6 +11,7 @@ import com.xuxd.kafka.console.beans.vo.OffsetAlignmentVO;
 import com.xuxd.kafka.console.dao.MinOffsetAlignmentMapper;
 import com.xuxd.kafka.console.service.OperationService;
 import com.xuxd.kafka.console.utils.GsonUtil;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -19,6 +21,7 @@ import java.util.Properties;
 import java.util.Set;
 import java.util.stream.Collectors;
 import kafka.console.OperationConsole;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.kafka.clients.admin.PartitionReassignment;
 import org.apache.kafka.common.TopicPartition;
 import org.springframework.beans.factory.ObjectProvider;
@@ -162,4 +165,21 @@ public class OperationServiceImpl implements OperationService {
         }
         return ResponseData.create().success();
     }
+
+    @Override public ResponseData proposedAssignments(String topic, List<Integer> brokerList) {
+        Map<String, Object> params = new HashMap<>();
+        params.put("version", 1);
+        Map<String, String> topicMap = new HashMap<>(1, 1.0f);
+        topicMap.put("topic", topic);
+        params.put("topics", Lists.newArrayList(topicMap));
+        List<String> list = brokerList.stream().map(String::valueOf).collect(Collectors.toList());
+        Map<TopicPartition, List<Object>> assignments = operationConsole.proposedAssignments(gson.toJson(params), StringUtils.join(list, ","));
+        List<CurrentReassignmentVO> res = new ArrayList<>(assignments.size());
+        assignments.forEach((tp, replicas) -> {
+            CurrentReassignmentVO vo = new CurrentReassignmentVO(tp.topic(), tp.partition(),
+                replicas.stream().map(x -> (Integer) x).collect(Collectors.toList()), null, null);
+            res.add(vo);
+        });
+        return ResponseData.create().data(res).success();
+    }
 }

src/main/scala/kafka/console/OperationConsole.scala

@@ -256,4 +256,20 @@ class OperationConsole(config: KafkaConfig, topicConsole: TopicConsole,
             throw e
         }).asInstanceOf[util.Map[TopicPartition, Throwable]]
     }
+
+    def proposedAssignments(reassignmentJson: String,
+        brokerListString: String): util.Map[TopicPartition, util.List[Int]] = {
+        withAdminClientAndCatchError(admin => {
+            val map = ReassignPartitionsCommand.generateAssignment(admin, reassignmentJson, brokerListString, true)._1
+            val res = new util.HashMap[TopicPartition, util.List[Int]]()
+            for (tp <- map.keys) {
+                res.put(tp, map(tp).asJava)
+//                res.put(tp, map.getOrElse(tp, Seq.empty).asJava)
+            }
+            res
+        }, e => {
+            log.error("proposedAssignments error.", e)
+            throw e
+        })
+    }.asInstanceOf[util.Map[TopicPartition, util.List[Int]]]
 }

ui/src/utils/api.js

@@ -246,6 +246,10 @@ export const KafkaOpApi = {
     url: "/op/replication/reassignments",
     method: "delete",
   },
+  proposedAssignment: {
+    url: "/op/replication/reassignments/proposed",
+    method: "post",
+  },
 };
 export const KafkaMessageApi = {
   searchByTime: {

ui/src/views/Home.vue

@@ -6,22 +6,24 @@
     <p></p>
     <hr />
     <h3>kafka API 版本兼容性</h3>
-    <a-table
+    <a-spin :spinning="apiVersionInfoLoading">
-      :columns="columns"
+      <a-table
-      :data-source="brokerApiVersionInfo"
+        :columns="columns"
-      bordered
+        :data-source="brokerApiVersionInfo"
-      row-key="brokerId"
+        bordered
-    >
+        row-key="brokerId"
-      <div slot="operation" slot-scope="record">
+      >
-        <a-button
+        <div slot="operation" slot-scope="record">
-          size="small"
+          <a-button
-          href="javascript:;"
+            size="small"
-          class="operation-btn"
+            href="javascript:;"
-          @click="openApiVersionInfoDialog(record)"
+            class="operation-btn"
-          >详情
+            @click="openApiVersionInfoDialog(record)"
-        </a-button>
+            >详情
-      </div>
+          </a-button>
-    </a-table>
+        </div>
+      </a-table>
+    </a-spin>
     <VersionInfo
       :version-info="apiVersionInfo"
       :visible="showApiVersionInfoDialog"
@@ -47,6 +49,7 @@ export default {
       brokerApiVersionInfo: [],
       showApiVersionInfoDialog: false,
       apiVersionInfo: [],
+      apiVersionInfoLoading: false,
     };
   },
   methods: {
@@ -73,10 +76,12 @@ export default {
         });
       }
     });
+    this.apiVersionInfoLoading = true;
     request({
       url: KafkaClusterApi.getBrokerApiVersionInfo.url,
       method: KafkaClusterApi.getBrokerApiVersionInfo.method,
     }).then((res) => {
+      this.apiVersionInfoLoading = false;
       if (res.code == 0) {
         this.brokerApiVersionInfo = res.data;
       } else {

ui/src/views/op/Operation.vue

@@ -49,6 +49,15 @@
           <label>说明：</label>
           <span>查看正在进行副本变更/重分配的任务，或者将其取消</span>
         </p>
+        <p>
+          <a-button type="primary" @click="openReplicaReassignDialog">
+            副本重分配
+          </a-button>
+          <label>说明：</label>
+          <span
+            >副本所在节点重新分配，打个比方，集群有6个节点，分区1的3个副本在节点1、2、3上，现在将它们重新分配到3、4、5上</span
+          >
+        </p>
       </a-card>
     </div>
     <!--    隐藏数据同步相关-->
@@ -125,6 +134,11 @@
       :visible="clusterManager.showClusterInfoDialog"
       @closeClusterInfoDialog="closeClusterInfoDialog"
     ></ClusterInfo>
+    <ReplicaReassign
+      :visible="replicationManager.showReplicaReassignDialog"
+      @closeReplicaReassignDialog="closeReplicaReassignDialog"
+    >
+    </ReplicaReassign>
   </div>
 </template>
 
@@ -138,6 +152,7 @@ import ConfigThrottle from "@/views/op/ConfigThrottle";
 import RemoveThrottle from "@/views/op/RemoveThrottle";
 import CurrentReassignments from "@/views/op/CurrentReassignments";
 import ClusterInfo from "@/views/op/ClusterInfo";
+import ReplicaReassign from "@/views/op/ReplicaReassign";
 export default {
   name: "Operation",
   components: {
@@ -150,6 +165,7 @@ export default {
     RemoveThrottle,
     CurrentReassignments,
     ClusterInfo,
+    ReplicaReassign,
   },
   data() {
     return {
@@ -162,6 +178,7 @@ export default {
       replicationManager: {
         showElectPreferredLeaderDialog: false,
         showCurrentReassignmentsDialog: false,
+        showReplicaReassignDialog: false,
       },
       brokerManager: {
         showConfigThrottleDialog: false,
@@ -227,6 +244,12 @@ export default {
     closeClusterInfoDialog() {
       this.clusterManager.showClusterInfoDialog = false;
     },
+    openReplicaReassignDialog() {
+      this.replicationManager.showReplicaReassignDialog = true;
+    },
+    closeReplicaReassignDialog() {
+      this.replicationManager.showReplicaReassignDialog = false;
+    },
   },
 };
 </script>

ui/src/views/op/ReplicaReassign.vue

@@ -0,0 +1,257 @@
+<template>
+  <a-modal
+    title="副本重分配"
+    :visible="show"
+    :width="800"
+    :mask="false"
+    :destroyOnClose="true"
+    :footer="null"
+    :maskClosable="false"
+    @cancel="handleCancel"
+  >
+    <div>
+      <a-spin :spinning="loading">
+        <a-form
+          :form="form"
+          :label-col="{ span: 5 }"
+          :wrapper-col="{ span: 12 }"
+          @submit="handleSubmit"
+        >
+          <a-form-item label="Topic">
+            <a-select
+              @change="handleTopicChange"
+              show-search
+              option-filter-prop="children"
+              v-decorator="[
+                'topic',
+                { rules: [{ required: true, message: '请选择一个topic!' }] },
+              ]"
+              placeholder="请选择一个topic"
+            >
+              <a-select-option v-for="v in topicList" :key="v" :value="v">
+                {{ v }}
+              </a-select-option>
+            </a-select>
+          </a-form-item>
+          <a-form-item label="分配到Broker">
+            <a-select
+              mode="multiple"
+              option-filter-prop="children"
+              v-decorator="[
+                'brokers',
+                {
+                  initialValue: brokers,
+                  rules: [{ required: true, message: '请选择一个broker!' }],
+                },
+              ]"
+              placeholder="请选择一个broker"
+            >
+              <a-select-option v-for="v in brokers" :key="v" :value="v">
+                <span v-if="v == -1">全部</span> <span v-else>{{ v }}</span>
+              </a-select-option>
+            </a-select>
+          </a-form-item>
+          <a-table
+            bordered
+            :columns="columns"
+            :data-source="currentAssignment"
+            :rowKey="
+              (record, index) => {
+                return index;
+              }
+            "
+          >
+          </a-table>
+          <a-form-item :wrapper-col="{ span: 12, offset: 5 }">
+            <a-button type="primary" html-type="submit">
+              重新生成分配计划
+            </a-button>
+          </a-form-item>
+        </a-form>
+        <hr />
+        <h2>新的分配计划</h2>
+        <a-table
+          bordered
+          :columns="columns"
+          :data-source="proposedAssignmentShow"
+          :rowKey="
+            (record, index) => {
+              return index;
+            }
+          "
+        >
+        </a-table>
+        <a-button type="danger"> 更新分配 </a-button>
+      </a-spin>
+    </div>
+  </a-modal>
+</template>
+
+<script>
+import request from "@/utils/request";
+import { KafkaTopicApi, KafkaOpApi, KafkaClusterApi } from "@/utils/api";
+import notification from "ant-design-vue/es/notification";
+export default {
+  name: "ReplicaReassign",
+  props: {
+    visible: {
+      type: Boolean,
+      default: false,
+    },
+  },
+  data() {
+    return {
+      show: this.visible,
+      data: [],
+      loading: false,
+      form: this.$form.createForm(this, { name: "ReplicaReassignForm" }),
+      topicList: [],
+      partitions: [],
+      brokers: [],
+      currentAssignment: [],
+      proposedAssignment: [],
+      proposedAssignmentShow: [],
+      columns,
+    };
+  },
+  watch: {
+    visible(v) {
+      this.show = v;
+      if (this.show) {
+        this.clearData();
+        this.getTopicNameList();
+        this.getClusterInfo();
+      }
+    },
+  },
+  methods: {
+    handleSubmit(e) {
+      e.preventDefault();
+      this.form.validateFields((err, values) => {
+        if (!err) {
+          this.getProposedAssignment(values);
+        }
+      });
+    },
+    getTopicReplicaInfo(topic) {
+      this.loading = true;
+      request({
+        url: KafkaTopicApi.getCurrentReplicaAssignment.url + "?topic=" + topic,
+        method: KafkaTopicApi.getCurrentReplicaAssignment.method,
+      }).then((res) => {
+        this.loading = false;
+        if (res.code == 0) {
+          this.currentAssignment = res.data.partitions;
+          this.currentAssignment.forEach(
+            (e) => (e.replicas = e.replicas.join(","))
+          );
+        } else {
+          notification.error({
+            message: "error",
+            description: res.msg,
+          });
+        }
+      });
+    },
+    getTopicNameList() {
+      request({
+        url: KafkaTopicApi.getTopicNameList.url,
+        method: KafkaTopicApi.getTopicNameList.method,
+      }).then((res) => {
+        if (res.code == 0) {
+          this.topicList = res.data;
+        } else {
+          notification.error({
+            message: "error",
+            description: res.msg,
+          });
+        }
+      });
+    },
+    getPartitionInfo(topic) {
+      this.loading = true;
+      request({
+        url: KafkaTopicApi.getPartitionInfo.url + "?topic=" + topic,
+        method: KafkaTopicApi.getPartitionInfo.method,
+      }).then((res) => {
+        this.loading = false;
+        if (res.code != 0) {
+          notification.error({
+            message: "error",
+            description: res.msg,
+          });
+        } else {
+          this.partitions = res.data.map((v) => v.partition);
+          this.partitions.splice(0, 0, -1);
+        }
+      });
+    },
+    handleTopicChange(topic) {
+      // this.getPartitionInfo(topic);
+      this.clearData();
+      this.getTopicReplicaInfo(topic);
+    },
+    getClusterInfo() {
+      this.loading = true;
+      request({
+        url: KafkaClusterApi.getClusterInfo.url,
+        method: KafkaClusterApi.getClusterInfo.method,
+      }).then((res) => {
+        this.loading = false;
+        this.brokers = [];
+        res.data.nodes.forEach((node) => this.brokers.push(node.id));
+      });
+    },
+    getProposedAssignment(params) {
+      this.loading = true;
+      request({
+        url: KafkaOpApi.proposedAssignment.url,
+        method: KafkaOpApi.proposedAssignment.method,
+        data: params,
+      }).then((res) => {
+        this.loading = false;
+        if (res.code != 0) {
+          notification.error({
+            message: "error",
+            description: res.msg,
+          });
+        } else {
+          this.proposedAssignment = res.data;
+          this.proposedAssignmentShow = Object.assign(
+            [],
+            this.proposedAssignment
+          );
+          this.proposedAssignmentShow.forEach(
+            (e) => (e.replicas = e.replicas.join(","))
+          );
+        }
+      });
+    },
+    clearData() {
+      this.currentAssignment = [];
+      this.proposedAssignment = [];
+      this.proposedAssignmentShow = [];
+    },
+    handleCancel() {
+      this.data = [];
+      this.$emit("closeReplicaReassignDialog", { refresh: false });
+    },
+  },
+};
+
+const columns = [
+  {
+    title: "分区",
+    dataIndex: "partition",
+    key: "partition",
+  },
+  {
+    title: "副本所在broker",
+    dataIndex: "replicas",
+    key: "replicas",
+    scopedSlots: { customRender: "replicas" },
+  },
+];
+</script>
+
+<style scoped></style>