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-rw-r--r--src/payload-processor/cmd/BUILD.bazel3
-rw-r--r--src/payload-processor/cmd/main.go49
-rw-r--r--src/payload-processor/processor/BUILD.bazel2
-rw-r--r--src/payload-processor/processor/processor.go33
-rw-r--r--src/rest-api/cmd/BUILD.bazel3
-rw-r--r--src/rest-api/cmd/main.go42
-rw-r--r--src/rest-api/handler/BUILD.bazel2
-rw-r--r--src/rest-api/handler/handler.go21
8 files changed, 68 insertions, 87 deletions
diff --git a/src/payload-processor/cmd/BUILD.bazel b/src/payload-processor/cmd/BUILD.bazel
index 515c17e..a11c89c 100644
--- a/src/payload-processor/cmd/BUILD.bazel
+++ b/src/payload-processor/cmd/BUILD.bazel
@@ -9,7 +9,8 @@ go_library(
     visibility = ["//visibility:private"],
     deps = [
         "//src/payload-processor/processor",
-        "@com_github_rabbitmq_amqp091_go//:amqp091-go",
+        "@com_github_segmentio_kafka_go//:kafka-go",
+        "@com_github_segmentio_kafka_go//sasl/plain",
     ],
 )
 
diff --git a/src/payload-processor/cmd/main.go b/src/payload-processor/cmd/main.go
index 1c9bfcb..8e158e9 100644
--- a/src/payload-processor/cmd/main.go
+++ b/src/payload-processor/cmd/main.go
@@ -1,43 +1,34 @@
 package main
 
 import (
-	"fmt"
 	"log"
 	"os"
+	"time"
 
 	"github.com/Baitinq/fs-tracer-backend/src/payload-processor/processor"
-	amqp "github.com/rabbitmq/amqp091-go"
+	"github.com/segmentio/kafka-go"
+	"github.com/segmentio/kafka-go/sasl/plain"
 )
 
 func main() {
-	rabbitmq_password, ok := os.LookupEnv("RABBITMQ_PASSWORD")
+	kafka_password, ok := os.LookupEnv("KAFKA_PASSWORD")
 	if !ok {
-		log.Fatal("RABBITMQ_PASSWORD not set")
+		log.Fatal("KAFKA_PASSWORD not set")
 	}
-	log.Println("RabbitMQ password", rabbitmq_password)
-	conn, err := amqp.Dial(fmt.Sprintf("amqp://user:%s@rabbitmq:5672/", rabbitmq_password))
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer conn.Close()
-
-	ch, err := conn.Channel()
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer ch.Close()
-
-	q, err := ch.QueueDeclare(
-		"hello", // name
-		false,   // durable
-		false,   // delete when unused
-		false,   // exclusive
-		false,   // no-wait
-		nil,     // arguments
-	)
-	if err != nil {
-		log.Fatal(err)
-	}
-	processor := processor.NewProcessor(ch, q.Name)
+	kafka_reader := kafka.NewReader(kafka.ReaderConfig{
+		Brokers: []string{"kafka.default.svc.cluster.local:9092"},
+		Dialer: &kafka.Dialer{
+			SASLMechanism: plain.Mechanism{
+				Username: "user1",
+				Password: kafka_password,
+			},
+			Timeout:   10 * time.Second,
+			DualStack: true,
+		},
+		Topic:     "topic-A",
+		Partition: 0,    //TODO: What
+		MaxBytes:  10e6, // 10MB
+	})
+	processor := processor.NewProcessor(kafka_reader)
 	processor.ProcessMessages()
 }
diff --git a/src/payload-processor/processor/BUILD.bazel b/src/payload-processor/processor/BUILD.bazel
index 64e3ac2..123059d 100644
--- a/src/payload-processor/processor/BUILD.bazel
+++ b/src/payload-processor/processor/BUILD.bazel
@@ -5,5 +5,5 @@ go_library(
     srcs = ["processor.go"],
     importpath = "github.com/Baitinq/fs-tracer-backend/src/payload-processor/processor",
     visibility = ["//visibility:public"],
-    deps = ["@com_github_rabbitmq_amqp091_go//:amqp091-go"],
+    deps = ["@com_github_segmentio_kafka_go//:kafka-go"],
 )
diff --git a/src/payload-processor/processor/processor.go b/src/payload-processor/processor/processor.go
index 3eb089b..435a954 100644
--- a/src/payload-processor/processor/processor.go
+++ b/src/payload-processor/processor/processor.go
@@ -1,39 +1,34 @@
 package processor
 
 import (
+	"context"
+	"fmt"
 	"log"
 
-	amqp "github.com/rabbitmq/amqp091-go"
+	"github.com/segmentio/kafka-go"
 )
 
 type Processor struct {
-	ch        *amqp.Channel
-	queueName string
+	kafka_reader *kafka.Reader
 }
 
-func NewProcessor(ch *amqp.Channel, queueName string) Processor {
+func NewProcessor(kafka_reader *kafka.Reader) Processor {
 	log.Println("Created processor")
 	return Processor{
-		ch:        ch,
-		queueName: queueName,
+		kafka_reader: kafka_reader,
 	}
 }
 
 func (p Processor) ProcessMessages() {
-	msgs, err := p.ch.Consume(
-		p.queueName, // queue
-		"",          // consumer
-		true,        // auto-ack
-		false,       // exclusive
-		false,       // no-local
-		false,       // no-wait
-		nil,         // args
-	)
-	if err != nil {
-		log.Fatal("Failed to register a consumer:", err)
+	for {
+		m, err := p.kafka_reader.ReadMessage(context.Background())
+		if err != nil {
+			break
+		}
+		fmt.Printf("message at offset %d: %s = %s\n", m.Offset, string(m.Key), string(m.Value))
 	}
 
-	for msg := range msgs {
-		log.Printf("Received a message: %s", msg.Body)
+	if err := p.kafka_reader.Close(); err != nil {
+		log.Fatal("failed to close reader:", err)
 	}
 }
diff --git a/src/rest-api/cmd/BUILD.bazel b/src/rest-api/cmd/BUILD.bazel
index 842f6f9..2a142c7 100644
--- a/src/rest-api/cmd/BUILD.bazel
+++ b/src/rest-api/cmd/BUILD.bazel
@@ -9,7 +9,8 @@ go_library(
     visibility = ["//visibility:private"],
     deps = [
         "//src/rest-api/handler",
-        "@com_github_rabbitmq_amqp091_go//:amqp091-go",
+        "@com_github_segmentio_kafka_go//:kafka-go",
+        "@com_github_segmentio_kafka_go//sasl/plain",
     ],
 )
 
diff --git a/src/rest-api/cmd/main.go b/src/rest-api/cmd/main.go
index f6d34e0..469957f 100644
--- a/src/rest-api/cmd/main.go
+++ b/src/rest-api/cmd/main.go
@@ -7,39 +7,31 @@ import (
 	"os"
 
 	"github.com/Baitinq/fs-tracer-backend/src/rest-api/handler"
-	amqp "github.com/rabbitmq/amqp091-go"
+	"github.com/segmentio/kafka-go"
+	"github.com/segmentio/kafka-go/sasl/plain"
 )
 
 func main() {
-	rabbitmq_password, ok := os.LookupEnv("RABBITMQ_PASSWORD")
+	kafka_password, ok := os.LookupEnv("KAFKA_PASSWORD")
 	if !ok {
-		log.Fatal("RABBITMQ_PASSWORD not set")
+		log.Fatal("KAFKA_PASSWORD not set")
 	}
-	log.Println("RabbitMQ password", rabbitmq_password)
-	conn, err := amqp.Dial(fmt.Sprintf("amqp://user:%s@rabbitmq:5672/", rabbitmq_password))
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer conn.Close()
 
-	ch, err := conn.Channel()
-	if err != nil {
-		log.Fatal(err)
+	kafka_writer := &kafka.Writer{
+		Addr: kafka.TCP("kafka.default.svc.cluster.local:9092"),
+		Transport: &kafka.Transport{
+			SASL: plain.Mechanism{
+				Username: "user1",
+				Password: kafka_password,
+			},
+		},
+		Topic:    "topic-A",
+		Balancer: &kafka.LeastBytes{},
+		// Async:                  true, //TODO: Creat the topic beforehand, if not this doesnt work
+		AllowAutoTopicCreation: true,
 	}
-	defer ch.Close()
 
-	q, err := ch.QueueDeclare(
-		"hello", // name
-		false,   // durable
-		false,   // delete when unused
-		false,   // exclusive
-		false,   // no-wait
-		nil,     // arguments
-	)
-	if err != nil {
-		log.Fatal(err)
-	}
-	handler := handler.NewHandler(ch, q.Name)
+	handler := handler.NewHandler(kafka_writer)
 
 	mux := http.NewServeMux()
 	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
diff --git a/src/rest-api/handler/BUILD.bazel b/src/rest-api/handler/BUILD.bazel
index a5638f4..89adc69 100644
--- a/src/rest-api/handler/BUILD.bazel
+++ b/src/rest-api/handler/BUILD.bazel
@@ -5,5 +5,5 @@ go_library(
     srcs = ["handler.go"],
     importpath = "github.com/Baitinq/fs-tracer-backend/src/rest-api/handler",
     visibility = ["//visibility:public"],
-    deps = ["@com_github_rabbitmq_amqp091_go//:amqp091-go"],
+    deps = ["@com_github_segmentio_kafka_go//:kafka-go"],
 )
diff --git a/src/rest-api/handler/handler.go b/src/rest-api/handler/handler.go
index b9bb80e..8985b43 100644
--- a/src/rest-api/handler/handler.go
+++ b/src/rest-api/handler/handler.go
@@ -8,18 +8,16 @@ import (
 	"net/http"
 	"time"
 
-	amqp "github.com/rabbitmq/amqp091-go"
+	"github.com/segmentio/kafka-go"
 )
 
 type Handler struct {
-	ch        *amqp.Channel
-	queueName string
+	kafka_writer *kafka.Writer
 }
 
-func NewHandler(ch *amqp.Channel, queueName string) Handler {
+func NewHandler(kafka_writer *kafka.Writer) Handler {
 	return Handler{
-		ch:        ch,
-		queueName: queueName,
+		kafka_writer: kafka_writer,
 	}
 }
 
@@ -34,11 +32,14 @@ func (h Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	ctx, cancel := context.WithTimeout(r.Context(), 5*time.Second)
 	defer cancel()
 
-	go h.ch.PublishWithContext(ctx, "", h.queueName, false, false, amqp.Publishing{
-		ContentType: "text/plain",
-		Body:        []byte(body),
+	err = h.kafka_writer.WriteMessages(ctx, kafka.Message{
+		Key:   []byte("key-A"),
+		Value: []byte(body),
 	})
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	fmt.Fprint(w, "Hello, World!", string(bytes))
-	log.Println("Request received", r.RemoteAddr, string(bytes))
+	log.Println("Request received :)", r.RemoteAddr, string(bytes))
 }