do all requests with context

cmd/cart/checkout_server.go

@@ -59,7 +59,7 @@ func (a *App) HandleCheckoutRequests(amqpUrl string, mux *http.ServeMux) {
 			w.WriteHeader(http.StatusInternalServerError)
 			return
 		}
-		err = a.klarnaClient.AcknowledgeOrder(orderId)
+		err = a.klarnaClient.AcknowledgeOrder(r.Context(), orderId)
 		if err != nil {
 			log.Printf("Error acknowledging order: %v\n", err)
 		}

cmd/cart/klarna-client.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -64,13 +65,13 @@ func (k *KlarnaClient) getOrderResponse(res *http.Response) (*CheckoutOrder, err
 	return nil, fmt.Errorf("%s", res.Status)
 }
 
-func (k *KlarnaClient) CreateOrder(reader io.Reader) (*CheckoutOrder, error) {
+func (k *KlarnaClient) CreateOrder(ctx context.Context, reader io.Reader) (*CheckoutOrder, error) {
 	//bytes.NewReader(reply.Payload)
 	req, err := http.NewRequest("POST", k.Url+"/checkout/v3/orders", reader)
 	if err != nil {
 		return nil, err
 	}
-
+	req.WithContext(ctx)
 	req.Header.Add("Content-Type", "application/json")
 	req.SetBasicAuth(k.UserName, k.Password)
 
@@ -82,13 +83,14 @@ func (k *KlarnaClient) CreateOrder(reader io.Reader) (*CheckoutOrder, error) {
 	return k.getOrderResponse(res)
 }
 
-func (k *KlarnaClient) UpdateOrder(orderId string, reader io.Reader) (*CheckoutOrder, error) {
+func (k *KlarnaClient) UpdateOrder(ctx context.Context, orderId string, reader io.Reader) (*CheckoutOrder, error) {
 	//bytes.NewReader(reply.Payload)
 	req, err := http.NewRequest("POST", fmt.Sprintf("%s/checkout/v3/orders/%s", k.Url, orderId), reader)
 	if err != nil {
 		return nil, err
 	}
 
+	req.WithContext(ctx)
 	req.Header.Add("Content-Type", "application/json")
 	req.SetBasicAuth(k.UserName, k.Password)
 
@@ -100,12 +102,12 @@ func (k *KlarnaClient) UpdateOrder(orderId string, reader io.Reader) (*CheckoutO
 	return k.getOrderResponse(res)
 }
 
-func (k *KlarnaClient) AbortOrder(orderId string) error {
+func (k *KlarnaClient) AbortOrder(ctx context.Context, orderId string) error {
 	req, err := http.NewRequest("POST", fmt.Sprintf("%s/checkout/v3/orders/%s/abort", k.Url, orderId), nil)
 	if err != nil {
 		return err
 	}
-
+	req.WithContext(ctx)
 	req.SetBasicAuth(k.UserName, k.Password)
 
 	_, err = http.DefaultClient.Do(req)
@@ -113,11 +115,12 @@ func (k *KlarnaClient) AbortOrder(orderId string) error {
 }
 
 // ordermanagement/v1/orders/{order_id}/acknowledge
-func (k *KlarnaClient) AcknowledgeOrder(orderId string) error {
+func (k *KlarnaClient) AcknowledgeOrder(ctx context.Context, orderId string) error {
 	req, err := http.NewRequest("POST", fmt.Sprintf("%s/ordermanagement/v1/orders/%s/acknowledge", k.Url, orderId), nil)
 	if err != nil {
 		return err
 	}
+	req.WithContext(ctx)
 	id := uuid.New()
 
 	req.SetBasicAuth(k.UserName, k.Password)

cmd/cart/pool-server.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"fmt"
 	"log"
@@ -19,7 +20,7 @@ import (
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"go.opentelemetry.io/contrib/bridges/otelslog"
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
-	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconv"
+
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/trace"
@@ -65,7 +66,7 @@ func (s *PoolServer) GetCartHandler(w http.ResponseWriter, r *http.Request, id c
 
 func (s *PoolServer) AddSkuToCartHandler(w http.ResponseWriter, r *http.Request, id cart.CartId) error {
 	sku := r.PathValue("sku")
-	msg, err := GetItemAddMessage(sku, 1, getCountryFromHost(r.Host), nil)
+	msg, err := GetItemAddMessage(r.Context(), sku, 1, getCountryFromHost(r.Host), nil)
 	if err != nil {
 		return err
 	}
@@ -197,14 +198,14 @@ type SetCartItems struct {
 	Items   []Item `json:"items"`
 }
 
-func getMultipleAddMessages(items []Item, country string) []proto.Message {
+func getMultipleAddMessages(ctx context.Context, items []Item, country string) []proto.Message {
 	wg := sync.WaitGroup{}
 	mu := sync.Mutex{}
 	msgs := make([]proto.Message, 0, len(items))
 	for _, itm := range items {
 		wg.Go(
 			func() {
-				msg, err := GetItemAddMessage(itm.Sku, itm.Quantity, country, itm.StoreId)
+				msg, err := GetItemAddMessage(ctx, itm.Sku, itm.Quantity, country, itm.StoreId)
 				if err != nil {
 					log.Printf("error adding item %s: %v", itm.Sku, err)
 					return
@@ -227,7 +228,7 @@ func (s *PoolServer) SetCartItemsHandler(w http.ResponseWriter, r *http.Request,
 
 	msgs := make([]proto.Message, 0, len(setCartItems.Items)+1)
 	msgs = append(msgs, &messages.ClearCartRequest{})
-	msgs = append(msgs, getMultipleAddMessages(setCartItems.Items, setCartItems.Country)...)
+	msgs = append(msgs, getMultipleAddMessages(r.Context(), setCartItems.Items, setCartItems.Country)...)
 
 	reply, err := s.ApplyLocal(id, msgs...)
 	if err != nil {
@@ -243,7 +244,7 @@ func (s *PoolServer) AddMultipleItemHandler(w http.ResponseWriter, r *http.Reque
 		return err
 	}
 
-	reply, err := s.ApplyLocal(id, getMultipleAddMessages(setCartItems.Items, setCartItems.Country)...)
+	reply, err := s.ApplyLocal(id, getMultipleAddMessages(r.Context(), setCartItems.Items, setCartItems.Country)...)
 	if err != nil {
 		return err
 	}
@@ -263,7 +264,7 @@ func (s *PoolServer) AddSkuRequestHandler(w http.ResponseWriter, r *http.Request
 	if err != nil {
 		return err
 	}
-	msg, err := GetItemAddMessage(addRequest.Sku, int(addRequest.Quantity), addRequest.Country, addRequest.StoreId)
+	msg, err := GetItemAddMessage(r.Context(), addRequest.Sku, int(addRequest.Quantity), addRequest.Country, addRequest.StoreId)
 	if err != nil {
 		return err
 	}
@@ -308,7 +309,7 @@ func getLocale(country string) string {
 	return "sv-se"
 }
 
-func (s *PoolServer) CreateOrUpdateCheckout(host string, id cart.CartId) (*CheckoutOrder, error) {
+func (s *PoolServer) CreateOrUpdateCheckout(ctx context.Context, host string, id cart.CartId) (*CheckoutOrder, error) {
 	country := getCountryFromHost(host)
 	meta := &CheckoutMeta{
 		Terms:        fmt.Sprintf("https://%s/terms", host),
@@ -334,9 +335,9 @@ func (s *PoolServer) CreateOrUpdateCheckout(host string, id cart.CartId) (*Check
 	}
 
 	if grain.OrderReference != "" {
-		return s.klarnaClient.UpdateOrder(grain.OrderReference, bytes.NewReader(payload))
+		return s.klarnaClient.UpdateOrder(ctx, grain.OrderReference, bytes.NewReader(payload))
 	} else {
-		return s.klarnaClient.CreateOrder(bytes.NewReader(payload))
+		return s.klarnaClient.CreateOrder(ctx, bytes.NewReader(payload))
 	}
 }
 
@@ -532,7 +533,7 @@ func (s *PoolServer) CheckoutHandler(fn func(order *CheckoutOrder, w http.Respon
 	return CookieCartIdHandler(s.ProxyHandler(func(w http.ResponseWriter, r *http.Request, cartId cart.CartId) error {
 		orderId := r.URL.Query().Get("order_id")
 		if orderId == "" {
-			order, err := s.CreateOrUpdateCheckout(r.Host, cartId)
+			order, err := s.CreateOrUpdateCheckout(r.Context(), r.Host, cartId)
 			if err != nil {
 				return err
 			}
@@ -576,7 +577,7 @@ func (s *PoolServer) Serve(mux *http.ServeMux) {
 	// })
 
 	handleFunc := func(pattern string, handlerFunc func(http.ResponseWriter, *http.Request)) {
-		attr := semconv.NewHTTPServer(nil).Route(pattern)
+		attr := attribute.String("http.route", pattern)
 		mux.HandleFunc(pattern, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 			span := trace.SpanFromContext(r.Context())
 			span.SetAttributes(attr)

cmd/cart/product-fetcher.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"net/http"
@@ -26,9 +27,14 @@ func getBaseUrl(country string) string {
 	return "http://localhost:8082"
 }
 
-func FetchItem(sku string, country string) (*index.DataItem, error) {
+func FetchItem(ctx context.Context, sku string, country string) (*index.DataItem, error) {
 	baseUrl := getBaseUrl(country)
-	res, err := http.Get(fmt.Sprintf("%s/api/by-sku/%s", baseUrl, sku))
+	req, err := http.NewRequest("GET", fmt.Sprintf("%s/api/by-sku/%s", baseUrl, sku), nil)
+	req = req.WithContext(ctx)
+	if err != nil {
+		return nil, err
+	}
+	res, err := http.DefaultClient.Do(req)
 	if err != nil {
 		return nil, err
 	}
@@ -38,8 +44,8 @@ func FetchItem(sku string, country string) (*index.DataItem, error) {
 	return &item, err
 }
 
-func GetItemAddMessage(sku string, qty int, country string, storeId *string) (*messages.AddItem, error) {
+func GetItemAddMessage(ctx context.Context, sku string, qty int, country string, storeId *string) (*messages.AddItem, error) {
-	item, err := FetchItem(sku, country)
+	item, err := FetchItem(ctx, sku, country)
 	if err != nil {
 		return nil, err
 	}

go.mod

@@ -19,6 +19,7 @@ require (
 	go.opentelemetry.io/otel/sdk v1.38.0
 	go.opentelemetry.io/otel/sdk/log v0.14.0
 	go.opentelemetry.io/otel/sdk/metric v1.38.0
+	go.opentelemetry.io/otel/trace v1.38.0
 	google.golang.org/grpc v1.76.0
 	google.golang.org/protobuf v1.36.10
 	k8s.io/api v0.34.1
@@ -85,7 +86,6 @@ require (
 	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect
 	go.opentelemetry.io/otel/metric v1.38.0 // indirect
-	go.opentelemetry.io/otel/trace v1.38.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.7.1 // indirect
 	go.yaml.in/yaml/v2 v2.4.3 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect