Rename k6quickpizza_server_* metric prefix to quickpizza_server (#345)

Author: ppcano

docs/metrics.md

@@ -48,20 +48,20 @@ These metrics are generated from distributed traces and are configured in Grafan
 
 ## QuickPizza Application Metrics
 
-`k6quickpizza_server_*`
+`quickpizza_server_*`
 
 These are custom application metrics specific to the QuickPizza application, implemented using the Prometheus Go client library. 
 
-- `k6quickpizza_server_pizza_recommendations_total`: Total number of pizza recommendations served (Counter metric).
+- `quickpizza_server_pizza_recommendations_total`: Total number of pizza recommendations served (Counter metric).
 
-- `k6quickpizza_server_number_of_ingredients_per_pizza`: Distribution of ingredients per pizza (Classic Histogram).
+- `quickpizza_server_number_of_ingredients_per_pizza`: Distribution of ingredients per pizza (Classic Histogram).
 
-- `k6quickpizza_server_number_of_ingredients_per_pizza_alternate`: Distribution of ingredients per pizza (Native Histogram).
+- `quickpizza_server_number_of_ingredients_per_pizza_alternate`: Distribution of ingredients per pizza (Native Histogram).
 
-- `k6quickpizza_server_pizza_calories_per_slice`: Distribution of calories per pizza slice (Classic Histogram).
+- `quickpizza_server_pizza_calories_per_slice`: Distribution of calories per pizza slice (Classic Histogram).
 
-- `k6quickpizza_server_pizza_calories_per_slice_alternate`: Distribution of calories per pizza slice (Native Histogram).
+- `quickpizza_server_pizza_calories_per_slice_alternate`: Distribution of calories per pizza slice (Native Histogram).
 
-- `k6quickpizza_server_http_requests_total`: Total number of HTTP requests received (Counter metric).
+- `quickpizza_server_http_requests_total`: Total number of HTTP requests received (Counter metric).
 
-- `k6quickpizza_server_http_request_duration_seconds`: Duration of HTTP request processing (Classic Histogram).
+- `quickpizza_server_http_request_duration_seconds`: Duration of HTTP request processing (Classic Histogram).

pkg/http/http.go

@@ -50,22 +50,22 @@ import (
 // Variables storing prometheus metrics.
 var (
 	pizzaRecommendations = promauto.NewCounterVec(prometheus.CounterOpts{
-		Namespace: "k6quickpizza",
+		Namespace: "quickpizza",
 		Subsystem: "server",
 		Name:      "pizza_recommendations_total",
 		Help:      "The total number of pizza recommendations",
 	}, []string{"vegetarian", "tool"})
 
 	numberOfIngredientsPerPizza = promauto.NewHistogram(prometheus.HistogramOpts{
-		Namespace: "k6quickpizza",
+		Namespace: "quickpizza",
 		Subsystem: "server",
 		Name:      "number_of_ingredients_per_pizza",
 		Help:      "The number of ingredients per pizza",
 		Buckets:   []float64{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20},
 	})
 
 	numberOfIngredientsPerPizzaNativeHistogram = promauto.NewHistogram(prometheus.HistogramOpts{
-		Namespace:                       "k6quickpizza",
+		Namespace:                       "quickpizza",
 		Subsystem:                       "server",
 		Name:                            "number_of_ingredients_per_pizza_alternate",
 		Help:                            "The number of ingredients per pizza (Native Histogram)",
@@ -75,15 +75,15 @@ var (
 	})
 
 	pizzaCaloriesPerSlice = promauto.NewHistogram(prometheus.HistogramOpts{
-		Namespace: "k6quickpizza",
+		Namespace: "quickpizza",
 		Subsystem: "server",
 		Name:      "pizza_calories_per_slice",
 		Help:      "The number of calories per slice of pizza",
 		Buckets:   []float64{100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000},
 	})
 
 	pizzaCaloriesPerSliceNativeHistogram = promauto.NewHistogram(prometheus.HistogramOpts{
-		Namespace:                       "k6quickpizza",
+		Namespace:                       "quickpizza",
 		Subsystem:                       "server",
 		Name:                            "pizza_calories_per_slice_alternate",
 		Help:                            "The number of calories per slice of pizza (Native Histogram)",
@@ -93,14 +93,14 @@ var (
 	})
 
 	httpRequests = promauto.NewCounterVec(prometheus.CounterOpts{
-		Namespace: "k6quickpizza",
+		Namespace: "quickpizza",
 		Subsystem: "server",
 		Name:      "http_requests_total",
 		Help:      "The total number of HTTP requests",
 	}, []string{"method", "path", "status"})
 
 	httpRequestDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
-		Namespace: "k6quickpizza",
+		Namespace: "quickpizza",
 		Subsystem: "server",
 		Name:      "http_request_duration_seconds",
 		Help:      "The duration of HTTP requests",