update events for ephemeral consumer support (#92)

Signed-off-by: Matt Siwiec <[email protected]>

Author: rizzza

cmd/run.go

@@ -3,8 +3,6 @@ package cmd
 import (
 	"context"
 	"errors"
-	"fmt"
-	"math/rand"
 	"os"
 	"os/signal"
 	"syscall"
@@ -127,16 +125,15 @@ func run(cmdCtx context.Context, v *viper.Viper) error {
 		mgr.LBClient = lbapi.NewClient(viper.GetString("loadbalancerapi.url"))
 	}
 
-	// generate a random queuegroup name
-	// this is to prevent multiple instances of this service from receiving the same message
-	// and processing it
-	config.AppConfig.Events.NATS.QueueGroup = generateQueueGroupName()
-
 	events, err := events.NewConnection(config.AppConfig.Events, events.WithLogger(logger))
 	if err != nil {
 		logger.Fatalw("failed to create events connection", "error", err)
 	}
 
+	defer func() {
+		_ = events.Shutdown(ctx)
+	}()
+
 	// init events subscriber
 	subscriber := pubsub.NewSubscriber(
 		ctx,
@@ -155,10 +152,6 @@ func run(cmdCtx context.Context, v *viper.Viper) error {
 		}
 	}
 
-	defer func() {
-		_ = events.Shutdown(ctx)
-	}()
-
 	if err := mgr.Run(); err != nil {
 		logger.Fatalw("failed starting manager", "error", err)
 	}
@@ -192,18 +185,3 @@ func validateMandatoryFlags() error {
 
 	return errors.Join(errs...) //nolint:goerr113
 }
-
-// generateQueueGroupName generates a random queue group name with prefix lbmanager-haproxy-
-func generateQueueGroupName() string {
-	const rlen = 10
-
-	alphaNum := []rune("abcdefghijklmnopqrstuvwxyz1234567890")
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
-	b := make([]rune, rlen)
-
-	for i := range b {
-		b[i] = alphaNum[r.Intn(len(alphaNum))]
-	}
-
-	return fmt.Sprintf("lbmanager-haproxy-%s-", string(b))
-}

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/spf13/viper v1.18.2
 	github.com/stretchr/testify v1.8.4
 	go.infratographer.com/load-balancer-api v0.1.3
-	go.infratographer.com/x v0.3.9
+	go.infratographer.com/x v0.3.10-0.20240122202348-a5142b682ef6
 	go.uber.org/zap v1.26.0
 )
 
@@ -27,7 +27,6 @@ require (
 	github.com/golang-jwt/jwt v3.2.2+incompatible // indirect
 	github.com/golang-jwt/jwt/v5 v5.1.0 // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
 	github.com/google/renameio v1.0.1 // indirect
 	github.com/google/uuid v1.4.0 // indirect
 	github.com/haproxytech/go-logger v1.1.0 // indirect
@@ -67,7 +66,7 @@ require (
 	go.opentelemetry.io/otel/metric v1.21.0 // indirect
 	go.opentelemetry.io/otel/trace v1.21.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/crypto v0.16.0 // indirect
+	golang.org/x/crypto v0.17.0 // indirect
 	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
 	golang.org/x/net v0.19.0 // indirect
 	golang.org/x/oauth2 v0.15.0 // indirect