Modified the query way ! added absolute and current time pluse changed loadgen

start and end time!
Signed-off-by: Kushal Shukla <[email protected]>

Author: kushalShukla-web

prombench/manifests/prombench/benchmark/6_loadgen.yaml

@@ -10,7 +10,7 @@ data:
       - name: simple_range
         interval: 10s
         type: range
-        start: 2h
+        start: 4h
         end: 1h
         step: 15s
         queries:
@@ -31,7 +31,7 @@ data:
       - name: aggr_range
         interval: 30s
         type: range
-        start: 1h
+        start: 4h
         end: 0h
         step: 15s
         queries:
@@ -85,21 +85,6 @@ spec:
         app: loadgen-scaler
     spec:
       serviceAccountName: loadgen-scaler
-      initContainers:      
-      - name: download-key
-        image: kushalshukla/builder
-        imagePullPolicy: Always
-        command: [ "/download-key/key.sh" ]
-        env:
-        - name: PR_NUMBER
-          value: "{{ .PR_NUMBER }}"
-        - name: GITHUB_ORG
-          value: "{{ .GITHUB_ORG }}"
-        - name: GITHUB_REPO
-          value: "{{ .GITHUB_REPO }}"          
-        volumeMounts:
-        - name: key
-          mountPath: /config 
       containers:
       - name: prom-load-generator
         image: docker.io/prominfra/scaler:master
@@ -120,8 +105,6 @@ spec:
       - name: webserver-config-volume
         configMap:
           name: fake-webserver-config-for-scaler
-      - name: key
-        emptyDir: {}              
       nodeSelector:
         node-name: nodes-{{ .PR_NUMBER }}
         isolation: none
@@ -142,9 +125,24 @@ spec:
       labels:
         app: loadgen-querier
     spec:
+      initContainers:      
+      - name: download-key
+        image: kushalshukla/builder
+        imagePullPolicy: Always
+        command: [ "/download-key/key.sh" ]
+        env:
+        - name: PR_NUMBER
+          value: "{{ .PR_NUMBER }}"
+        - name: GITHUB_ORG
+          value: "{{ .GITHUB_ORG }}"
+        - name: GITHUB_REPO
+          value: "{{ .GITHUB_REPO }}"          
+        volumeMounts:
+        - name: key
+          mountPath: /config     
       containers:
       - name: prom-load-generator
-        image: docker.io/prominfra/load-generator:master
+        image: kushalshukla/load-generator
         imagePullPolicy: Always
         args:
         - "prombench-{{ .PR_NUMBER }}"
@@ -155,13 +153,17 @@ spec:
         volumeMounts:
         - name: config-volume
           mountPath: /etc/loadgen
+        - name: key
+          mountPath: /config   
         ports:
         - name: loadgen-port
           containerPort: 8080
       volumes:
       - name: config-volume
         configMap:
           name: prometheus-loadgen
+      - name: key
+        emptyDir: {}     
       nodeSelector:
         node-name: nodes-{{ .PR_NUMBER }}
         isolation: none

tools/load-generator/main.go

@@ -107,10 +107,9 @@ func NewQuerier(groupID int, target, prNumber string, qg QueryGroup) *Querier {
 	start := durationSeconds(qg.Start)
 	end := durationSeconds(qg.End)
 
-	nodePort := 30198
-	url := fmt.Sprintf("http://%s:%d/%s/prometheus-%s/api/v1/query", domainName, nodePort, prNumber, target)
+	url := fmt.Sprintf("http://%s/%s/prometheus-%s/api/v1/query", domainName, prNumber, target)
 	if qtype == "range" {
-		url = fmt.Sprintf("http://%s:%d/%s/prometheus-%s/api/v1/query_range", domainName, nodePort, prNumber, target)
+		url = fmt.Sprintf("http://%s/%s/prometheus-%s/api/v1/query_range", domainName, prNumber, target)
 	}
 
 	return &Querier{
@@ -137,13 +136,13 @@ func loadKeyConfig() (*KeyConfig, error) {
 
 	data, err := os.ReadFile(filePath)
 	if err != nil {
-		return nil, fmt.Errorf("error reading file: %v", err)
+		return nil, fmt.Errorf("error reading file: %w", err)
 	}
 
 	var keyConfig KeyConfig
 	err = yaml.Unmarshal(data, &keyConfig)
 	if err != nil {
-		return nil, fmt.Errorf("error parsing YAML: %v", err)
+		return nil, fmt.Errorf("error parsing YAML: %w", err)
 	}
 
 	return &keyConfig, nil
@@ -154,12 +153,16 @@ func (q *Querier) run(wg *sync.WaitGroup) {
 	fmt.Printf("Running querier %s %s for %s\n", q.target, q.name, q.url)
 	time.Sleep(20 * time.Second)
 
+	keyConfig, err := loadKeyConfig()
+
 	for {
 		start := time.Now()
 
 		for _, query := range q.queries {
-			q.query(query.Expr, "current")
-			q.query(query.Expr, "absolute")
+			q.query(query.Expr, "current", nil)
+			if err == nil {
+				q.query(query.Expr, "absolute", keyConfig)
+			}
 		}
 
 		wait := q.interval - time.Since(start)
@@ -169,30 +172,29 @@ func (q *Querier) run(wg *sync.WaitGroup) {
 	}
 }
 
-func (q *Querier) query(expr string, timeMode string) {
+func (q *Querier) query(expr string, timeMode string, keyConfig *KeyConfig) {
 	queryCount.WithLabelValues(q.target, q.name, expr, q.qtype).Inc()
 	start := time.Now()
+
 	req, err := http.NewRequest("GET", q.url, nil)
 	if err != nil {
 		log.Printf("Error creating request: %v", err)
 		queryFailCount.WithLabelValues(q.target, q.name, expr, q.qtype).Inc()
 		return
 	}
-	keyConfig, err := loadKeyConfig()
-	if err != nil {
-		timeMode = "current"
-	}
+
 	qParams := req.URL.Query()
 	qParams.Set("query", expr)
 	if q.qtype == "range" {
 		if timeMode == "current" {
+			fmt.Println("range , current blocks")
 			qParams.Set("start", fmt.Sprintf("%d", int64(time.Now().Add(-q.start).Unix())))
 			qParams.Set("end", fmt.Sprintf("%d", int64(time.Now().Add(-q.end).Unix())))
 			qParams.Set("step", q.step)
 		} else {
-			startTime := time.Unix(0, keyConfig.MinTime*int64(time.Millisecond))
+			fmt.Println("range , absolute blocks")
 			endTime := time.Unix(0, keyConfig.MaxTime*int64(time.Millisecond))
-			qParams.Set("start", fmt.Sprintf("%d", int64(startTime.Add(-q.start).Unix())))
+			qParams.Set("start", fmt.Sprintf("%d", int64(endTime.Add(-q.start).Unix())))
 			qParams.Set("end", fmt.Sprintf("%d", int64(endTime.Add(-q.end).Unix())))
 			qParams.Set("step", q.step)
 		}