add duration parameter

Signed-off-by: Roland.Ma <rolandma@kubesphere.io>

pkg/simple/client/monitoring/prometheus/promql.go

@@ -472,8 +472,8 @@ func makeIngressMetricExpr(tmpl string, o monitoring.QueryOptions) string {
 	duration := "5m"
 
 	// parse Range Vector Selectors metric{key=value}[duration]
-	if o.MeterOptions != nil {
-		duration = o.MeterOptions.Step.String()
+	if o.Duration != nil {
+		duration = o.Duration.String()
 	}
 
 	// For monitoring ingress in the specific namespace

pkg/simple/client/monitoring/query_options.go

@@ -84,6 +84,7 @@ type QueryOptions struct {
 	ServiceName               string
 	Ingress                   string
 	Job                       string
+	Duration                  *time.Duration
 	MeterOptions              *Meteroptions
 }
 
@@ -296,7 +297,7 @@ type IngressOption struct {
 	Ingress        string
 	Job            string
 	Pod            string
-	Step           *time.Duration
+	Duration       *time.Duration
 }
 
 func (no IngressOption) Apply(o *QueryOptions) {
@@ -306,11 +307,7 @@ func (no IngressOption) Apply(o *QueryOptions) {
 	o.Ingress = no.Ingress
 	o.Job = no.Job
 	o.PodName = no.Pod
-	if no.Step != nil {
-		o.MeterOptions = &Meteroptions{
-			Step: *no.Step,
-		}
-	}
+	o.Duration = no.Duration
 }
 
 type ComponentOption struct{}