snapshot of https://github.com/centrifugal/centrifugo.git (master, 2026-09-16; blobs > 131072B omitted)

internal/redisqueue/stream.go

@@ -0,0 +1,22 @@
+package redisqueue
+
+import (
+	"context"
+	"strings"
+
+	"github.com/centrifugal/centrifugo/v6/internal/redisshard"
+
+	"github.com/redis/rueidis"
+)
+
+func CreateConsumerGroup(rds *redisshard.RedisShard, stream, groupName, id string) error {
+	res := rds.RunOp(func(client rueidis.Client) rueidis.RedisResult {
+		cmd := client.B().XgroupCreate().Key(stream).Group(groupName).Id(id).Mkstream().Build()
+		return client.Do(context.Background(), cmd)
+	})
+	if res.Error() != nil && strings.Contains(res.Error().Error(), "BUSYGROUP") {
+		// Group already exists.
+		return nil
+	}
+	return res.Error()
+}