[alerter] 告警处理指标数据，告警表达式计算，内容模版关键字替换

alerter/src/main/java/com/usthe/alert/dao/AlertDefineDao.java

@@ -3,7 +3,10 @@ package com.usthe.alert.dao;
 import com.usthe.alert.pojo.entity.AlertDefine;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.query.Param;
 
+import java.util.List;
 import java.util.Set;
 
 /**
@@ -18,4 +21,15 @@ public interface AlertDefineDao extends JpaRepository<AlertDefine, Long>, JpaSpe
      * @param alertDefineIds 告警定义ID列表
      */
     void deleteAllByIdIn(Set<Long> alertDefineIds);
+
+    /**
+     * 根据监控ID查询与之关联的告警定义列表
+     * @param monitorId 监控ID
+     * @param metrics 指标组
+     * @return 告警定义列表
+     */
+    @Query("select define from AlertDefine define join AlertDefineBind bind on bind.alertDefineId = define.id " +
+            "where bind.monitorId = :monitorId and define.metric = :metrics")
+    List<AlertDefine> queryAlertDefinesByMonitor(@Param(value = "monitorId") Long monitorId,
+                                                 @Param(value = "metrics") String metrics);
 }