define obproxy overview metrics

internal/assets/dashboard/metric_en_US.yaml

@@ -722,6 +722,38 @@ OBCLUSTER_OVERVIEW:
       name: wait_time
       unit: us
     name: Waiting for event time
+OBPROXY_OVERVIEW:
+- name: OBProxy overview metrics
+  description: Obproxy overview metrics
+  metricGroups:
+  - name: TPS
+    description: transaction count per second
+    metrics:
+    - name: total
+      description: transaction count per second
+      key: transaction_total
+      unit: 
+  - name: QPS
+    description: request count per second
+    metrics:
+    - name: total
+      description: request count per second
+      key: request_total
+      unit: 
+  - name: Connections
+    description: obproxy connections
+    metrics:
+    - name: connections
+      description: connections
+      key: current_session
+      unit: 
+  - name: SQL response time
+    description: average response time per SQL query
+    metrics:
+    - name: response_time
+      description: average elapsed time for request
+      key: request_cost
+      unit: "μs"
 OBPROXY:
 - name: OBProxy service monitoring
   description: Obproxy service monitoring

internal/assets/dashboard/metric_zh_CN.yaml

@@ -739,7 +739,39 @@ OBCLUSTER_OVERVIEW:
       key: wait_event_rt
       name: wait_time
       unit: "\u03BCs"
-    name: "\u7B49\u5F85\u4E8B\u4EF6\u8017\u65F6"
+    name: "等待事件耗时"
+OBPROXY_OVERVIEW:
+- name: OBProxy 概览指标
+  description: OBProxy 概览指标
+  metricGroups:
+  - name: TPS
+    description: 每秒事务数
+    metrics:
+    - name: total
+      description: 每秒事务数
+      key: transaction_total
+      unit: 
+  - name: QPS
+    description: 每秒请求数
+    metrics:
+    - name: total
+      description: 每秒请求数
+      key: request_total
+      unit: 
+  - name: 连接数
+    description: OBProxy 连接数
+    metrics:
+    - name: connections
+      description: 连接数
+      key: current_session
+      unit: 
+  - name: SQL 响应时间
+    description: 平均每条 SQL 响应时间
+    metrics:
+    - name: response_time
+      description: 平均每次请求耗时
+      key: request_cost
+      unit: "μs"
 OBPROXY:
 - name: OBProxy 服务监控
   description: OBProxy 服务监控

internal/dashboard/business/metric/constant/metric_constant.go

@@ -37,6 +37,7 @@ const (
 	ScopeTenantOverview  = "OBTENANT_OVERVIEW"
 	ScopeTenant          = "OBTENANT"
 	ScopeOBProxy         = "OBPROXY"
+	ScopeOBProxyOverview = "OBPROXY_OVERVIEW"
 )
 
 const (

internal/dashboard/handler/metric_handler.go

@@ -46,7 +46,8 @@ func ListMetricMetas(c *gin.Context) ([]response.MetricClass, error) {
 		metricconst.ScopeTenant,
 		metricconst.ScopeClusterOverview,
 		metricconst.ScopeTenantOverview,
-		metricconst.ScopeOBProxy:
+		metricconst.ScopeOBProxy,
+		metricconst.ScopeOBProxyOverview:
 	default:
 		return nil, httpErr.NewBadRequest("invalid scope")
 	}