fix(性能测试): 修复固定节点或自定义分配用户数时最大并发数不能限制的问题

--bug=1020219 --user=刘瑞斌 [性能测试]github#20103性能测试设置完资源池中压力机的最大并发数，压测执行时，分配策略选固定节点、自定义策略 没限制住单个压力机的最大并发数 https://www.tapd.cn/55049933/s/1320156

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

@@ -206,7 +206,7 @@
                 <div v-if="threadGroup.strategy === 'auto'"></div>
                 <div v-else-if="threadGroup.strategy === 'specify'">
                   <el-form-item :label="$t('load_test.specify_resource')">
-                    <el-select v-model="threadGroup.resourceNodeIndex" size="mini">
+                    <el-select v-model="threadGroup.resourceNodeIndex" @change="specifyNodeChange(threadGroup)" size="mini">
                       <el-option
                         v-for="(node, index) in resourceNodes"
                         :key="node.ip"
@@ -224,7 +224,8 @@
                     <el-table-column prop="ratio" :label="$t('test_track.home.percentage')">
                       <template v-slot:default="{row}">
                         <el-input-number size="mini" v-model="row.ratio"
-
+                                         v-if="rampUpTimeVisible"
+                                         @change="customNodeChange(threadGroup)"
                                          :min="0" :step=".1" controls-position="right"
                                          :max="1"></el-input-number>
                       </template>
@@ -734,6 +735,8 @@ export default {
         }
 
         if (tg.strategy === "custom") {
+          this.customNodeChange(tg);
+
           let sum = tg.resourceNodes.map(n => n.ratio).reduce((total, curr) => {
             total += curr;
             return total;
@@ -744,6 +747,10 @@ export default {
           }
         }
 
+        if (tg.strategy === "specify") {
+          this.specifyNodeChange(tg);
+        }
+
         if (!tg.threadNumber || !tg.duration
           || !tg.rampUpTime || !tg.step || !tg.iterateNum) {
           this.$warning(this.$t('load_test.pressure_config_params_is_empty'));
@@ -774,6 +781,24 @@ export default {
         return [];
       }
     },
+    specifyNodeChange(threadGroup) {
+      this.$set(this, 'maxThreadNumbers', threadGroup.resourceNodes[threadGroup.resourceNodeIndex].maxConcurrency);
+      if (threadGroup.threadNumber > this.maxThreadNumbers) {
+        threadGroup.threadNumber = this.maxThreadNumbers;
+      }
+      this.calculateTotalChart();
+    },
+    customNodeChange(threadGroup) {
+      threadGroup.resourceNodes.forEach(node => {
+        if (node.ratio * threadGroup.threadNumber > node.maxConcurrency) {
+          setTimeout(() => {
+            this.$warning(this.$t('load_test.max_current_threads_tips', [node.ip]));
+          });
+          node.ratio = (node.maxConcurrency / threadGroup.threadNumber).toFixed(2);
+        }
+      });
+      this.calculateTotalChart();
+    },
     convertProperty() {
       /// todo：下面4个属性是jmeter ConcurrencyThreadGroup plugin的属性，这种硬编码不太好吧，在哪能转换这种属性？
       let result = [];

frontend/src/i18n/en-US.js

@@ -1108,6 +1108,7 @@ export default {
     stoptest: 'Stop test',
     stoptestnow: 'Stop the test immediately',
     batch_delete_confirm: "Confirm batch delete performance test",
+    max_current_threads_tips: 'Exceeded the maximum concurrent number of this node {0}',
     report: {
       diff: "Compare",
       set_default: 'Set to Default',

frontend/src/i18n/zh-CN.js

@@ -1113,6 +1113,7 @@ export default {
     stoptest: '停止测试',
     stoptestnow: '立即停止测试',
     batch_delete_confirm: "确认批量删除性能测试",
+    max_current_threads_tips: '超出此节点{0}最大并发数',
     report: {
       diff: "对比",
       set_default: '恢复默认',

frontend/src/i18n/zh-TW.js

@@ -1113,6 +1113,7 @@ export default {
     stoptest: '停止測試',
     stoptestnow: '立即停止測試',
     batch_delete_confirm: "确认批量删除性能测试",
+    max_current_threads_tips: '超出此節點{0}最大並發數',
     report: {
       diff: "對比",
       set_default: '恢復默認',