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FROM --platform=linux/amd64 golang:1.22 as builder | ||
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WORKDIR /app | ||
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ADD . /app | ||
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RUN go mod tidy && go build -o server_exec ./src/cmd/server/ | ||
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FROM --platform=linux/amd64 alpine:latest | ||
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RUN apk --no-cache add ca-certificates | ||
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WORKDIR /root/ | ||
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COPY --from=builder /app/server_exec . | ||
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CMD ["./client_exec"] |
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version: '3.8' | ||
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services: | ||
client: | ||
build: | ||
context: . | ||
dockerfile: server.Dockerfile | ||
environment: | ||
RABBITMQ_USER: ${RABBITMQ_USER} | ||
RABBITMQ_PASSWORD: ${RABBITMQ_PASSWORD} | ||
RABBITMQ_AMQP_PORT: ${RABBITMQ_AMQP_PORT} | ||
RABBITMQ_AMQP_HOST: ${RABBITMQ_AMQP_HOST} | ||
COMMANDS_PATH: /resources/commands.csv | ||
volumes: | ||
- ./resources:/resources | ||
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package main | ||
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import ( | ||
"fmt" | ||
"log" | ||
"os" | ||
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"github.com/zarnoevic/go-rabbitmq/src/pkg/orderedmap" | ||
"github.com/zarnoevic/go-rabbitmq/src/pkg/rabbitClient" | ||
"github.com/zarnoevic/go-rabbitmq/src/pkg/services/consumerService" | ||
) | ||
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func main() { | ||
rabbitMQUser := os.Getenv("RABBITMQ_USER") | ||
rabbitMQPassword := os.Getenv("RABBITMQ_PASSWORD") | ||
rabbitMQAMQPPort := os.Getenv("RABBITMQ_AMQP_PORT") | ||
rabbitMQAMQPHost := os.Getenv("RABBITMQ_AMQP_HOST") | ||
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amqpURL := fmt.Sprintf("amqp://%s:%s@%s:%s/", rabbitMQUser, rabbitMQPassword, rabbitMQAMQPHost, rabbitMQAMQPPort) | ||
queueName := "yourQueueName" | ||
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client, err := rabbitClient.NewRabbitClient(amqpURL, queueName) | ||
if err != nil { | ||
log.Fatalf("Failed to create RabbitMQ client: %s", err) | ||
} | ||
defer client.Close() | ||
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msgs, err := client.Consume() | ||
if err != nil { | ||
log.Fatalf("Failed to consume messages: %s", err) | ||
} | ||
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omap := orderedmap.NewOrderedMap() | ||
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processor := consumerService.NewConsumerService(omap) | ||
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for msg := range msgs { | ||
processor.ProcessMessage(msg) | ||
} | ||
} |
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package consumerService | ||
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import ( | ||
"encoding/json" | ||
"fmt" | ||
"log" | ||
"sync" | ||
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"github.com/rabbitmq/amqp091-go" | ||
"github.com/zarnoevic/go-rabbitmq/src/pkg/orderedmap" | ||
) | ||
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type ConsumerService struct { | ||
omap *orderedmap.OrderedMap | ||
rwmu sync.RWMutex | ||
} | ||
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func NewConsumerService(omap *orderedmap.OrderedMap) *ConsumerService { | ||
return &ConsumerService{ | ||
omap: omap, | ||
} | ||
} | ||
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func (cs *ConsumerService) ProcessMessage(d amqp091.Delivery) { | ||
var command []string | ||
err := json.Unmarshal(d.Body, &command) | ||
if err != nil { | ||
log.Printf("Error unmarshalling message: %s", err) | ||
return | ||
} | ||
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switch command[0] { | ||
case "add": | ||
cs.handleAdd(command) | ||
case "get": | ||
cs.handleGet(command) | ||
case "delete": | ||
cs.handleDelete(command) | ||
case "getAll": | ||
cs.handleGetAll() | ||
default: | ||
log.Printf("Unknown command: %s", command[0]) | ||
} | ||
} | ||
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func (cs *ConsumerService) handleAdd(command []string) { | ||
if len(command) != 3 { | ||
log.Println("Add command requires 2 arguments: key and value") | ||
return | ||
} | ||
cs.rwmu.Lock() | ||
cs.omap.Add(command[1], command[2]) | ||
cs.rwmu.Unlock() | ||
} | ||
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func (cs *ConsumerService) handleGet(command []string) { | ||
if len(command) != 2 { | ||
log.Println("Get command requires 1 argument: key") | ||
return | ||
} | ||
cs.rwmu.RLock() | ||
value, found := cs.omap.Get(command[1]) | ||
cs.rwmu.RUnlock() | ||
if found { | ||
fmt.Printf("Get: %s = %s\n", command[1], value) | ||
} else { | ||
fmt.Printf("Key not found: %s\n", command[1]) | ||
} | ||
} | ||
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func (cs *ConsumerService) handleDelete(command []string) { | ||
if len(command) != 2 { | ||
log.Println("Delete command requires 1 argument: key") | ||
return | ||
} | ||
cs.rwmu.Lock() | ||
cs.omap.Delete(command[1]) | ||
cs.rwmu.Unlock() | ||
} | ||
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func (cs *ConsumerService) handleGetAll() { | ||
cs.rwmu.RLock() | ||
allItems := cs.omap.GetAll() | ||
cs.rwmu.RUnlock() | ||
for key, value := range allItems { | ||
fmt.Printf("%s: %s\n", key, value) | ||
} | ||
} |
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