fix(性能测试): 修复最大并发数没有按照资源池来限制的bug

Closes #1708

frontend/src/business/components/performance/test/components/PerformancePressureConfig.vue

@@ -4,7 +4,7 @@
       <el-col>
         <el-form :inline="true">
           <el-form-item :label="$t('load_test.select_resource_pool')">
-            <el-select v-model="resourcePool" :disabled="isReadOnly" size="mini">
+            <el-select v-model="resourcePool" :disabled="isReadOnly" size="mini" @change="resourcePoolChange">
               <el-option
                 v-for="item in resourcePools"
                 :key="item.id"
@@ -42,6 +42,7 @@
                   v-model="threadGroup.threadNumber"
                   @change="calculateTotalChart(threadGroup)"
                   :min="resourcePoolResourceLength"
+                  :max="maxThreadNumbers"
                   size="mini"/>
               </el-form-item>
               <br>
@@ -219,7 +220,8 @@ export default {
       resourcePools: [],
       activeNames: ["0"],
       threadGroups: [],
-      resourcePoolResourceLength: 1
+      resourcePoolResourceLength: 1,
+      maxThreadNumbers: 5000,
     }
   },
   mounted() {
@@ -336,6 +338,22 @@ export default {
         });
       }
     },
+    resourcePoolChange() {
+      let result = this.resourcePools.filter(p => p.id === this.resourcePool);
+      if (result.length === 1) {
+        let threadNumber = 0;
+        result[0].resources.forEach(resource => {
+          threadNumber += JSON.parse(resource.configuration).maxConcurrency;
+        })
+        this.maxThreadNumbers = threadNumber;
+        this.threadGroups.forEach(tg => {
+          if (tg.threadNumber > threadNumber) {
+            this.$set(tg, "threadNumber", threadNumber);
+          }
+        })
+        this.calculateTotalChart();
+      }
+    },
     calculateTotalChart() {
       let handler = this;
       if (handler.duration < handler.rampUpTime) {
@@ -344,6 +362,11 @@ export default {
       if (handler.rampUpTime < handler.step) {
         handler.step = handler.rampUpTime;
       }
+      // 线程数不能小于资源池节点的数量
+      let resourcePool = this.resourcePools.filter(v => v.id === this.resourcePool)[0];
+      if (resourcePool) {
+        this.resourcePoolResourceLength = resourcePool.resources.length;
+      }
       let color = ['#60acfc', '#32d3eb', '#5bc49f', '#feb64d', '#ff7c7c', '#9287e7', '#ca8622', '#bda29a', '#6e7074', '#546570', '#c4ccd3'];
       handler.options = {
         color: color,