e4fee05c96
Update the GO tutorials with PublishWithContext instead of Publish Publish is deprecated. As context, I used: `context.WithTimeout(context.Background(), 5*time.Second)` update the Golang Version to 1.7 Signed-off-by: Gabriele Santomaggio G.santomaggio@gmail.com
66 lines
1.2 KiB
Go
66 lines
1.2 KiB
Go
package main
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import (
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"context"
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"log"
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"os"
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"strings"
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"time"
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amqp "github.com/rabbitmq/amqp091-go"
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)
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func failOnError(err error, msg string) {
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if err != nil {
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log.Panicf("%s: %s", msg, err)
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}
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}
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func main() {
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conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/")
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failOnError(err, "Failed to connect to RabbitMQ")
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defer conn.Close()
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ch, err := conn.Channel()
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failOnError(err, "Failed to open a channel")
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defer ch.Close()
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err = ch.ExchangeDeclare(
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"logs", // name
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"fanout", // type
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true, // durable
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false, // auto-deleted
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false, // internal
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false, // no-wait
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nil, // arguments
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)
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failOnError(err, "Failed to declare an exchange")
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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body := bodyFrom(os.Args)
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err = ch.PublishWithContext(ctx,
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"logs", // exchange
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"", // routing key
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false, // mandatory
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false, // immediate
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amqp.Publishing{
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ContentType: "text/plain",
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Body: []byte(body),
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})
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failOnError(err, "Failed to publish a message")
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log.Printf(" [x] Sent %s", body)
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}
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func bodyFrom(args []string) string {
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var s string
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if (len(args) < 2) || os.Args[1] == "" {
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s = "hello"
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} else {
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s = strings.Join(args[1:], " ")
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}
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return s
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}
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